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The flight began with a taxiing period from the parking area to the runway, which took 15 minutes and covered a distance of 3 nautical miles. The aircraft, a PC-12, then departed from runway 02 at VNKT Tribhuvan International Airport in Kathmandu, Nepal. The takeoff distance was 3,964 feet, which accounted for 41% of the runway. The liftoff speed was 109 knots.
As the aircraft climbed out of Kathmandu, it encountered local weather conditions of 62°F temperature and a wind speed of 1 knot at 270°. The enroute climb started 1 mile north of the airport and continued for 12 minutes, covering a distance of 36 nautical miles. The aircraft climbed from 5,158 feet above sea level to 16,494 feet, an increase of 11,336 feet.
After reaching the cruising altitude, the aircraft entered a level cruise phase, which started 9 miles north of VNRC Ramechhap Airport. This phase lasted for 4 minutes and covered a distance of 18 nautical miles. The aircraft then began another climb phase, this time from 9 miles southeast of VNJI Jiri Airport. The climb from 16,453 feet to 17,271 feet took 2 minutes and covered a distance of 3 nautical miles.
The aircraft then entered another level cruise phase, which started 9 miles east of VNJI Jiri Airport. This phase lasted for 2 minutes and covered a distance of 5 nautical miles. As the aircraft approached its destination, it began a descent phase from 17,603 feet above sea level to 8,191 feet, a decrease of 9,412 feet in 6 minutes and covering a distance of 15 nautical miles.
The aircraft then began another climb phase from 5 miles northeast of VNPL Phaplu Airport. The climb from 8,217 feet to 8,690 feet took 2 minutes and covered a distance of 7 nautical miles. The final approach to runway 06 at VNLK Lukla Airport was from the southwest, with a heading of 58.0° at 1 nautical mile and -651 feet above ground level.
However, the aircraft performed a go-around at 0 feet above ground level, followed by another go-around at 102 feet above ground level, and a third go-around at 0 feet above ground level. Eventually, the aircraft landed on runway 06 at VNLK Lukla Airport, which had a length of 1,785 feet. The threshold height was significantly above the target, and the threshold speed was well above the target at 93 knots.
The touchdown point was very long, using more than 50% of the available runway. The touchdown speed was 88 knots, which was a little fast. The touchdown rate was perfect at -26 feet per minute. However, the runway touchdown position was significantly misaligned by 76 feet from the centreline. The local weather conditions at the time of landing were 20°F temperature and a wind speed of 1 knot at 29°.
The total landing distance was 1,559 feet, which accounted for 87% of the runway. The runway rollout alignment was misaligned by 75 feet from the centreline. The total flight distance was 107 nautical miles, taking 63 minutes, and the aircraft used 525 pounds of fuel.
Replay this flight in 3D — the full flight path over the terrain with every stage, event and score along the route.
Taxiing from the parking to the runway took 15 minutes and covered 3 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 11 kn 0 kn min to max 17 kn |
0 | 0 kn | |
| 100 % |
Average speed turning corners 4 kn max 6 kn |
0 | 0 kn | |
| 100 % |
Average g force 1.00 g 0.99 g min to max 1.01 g |
1.00 | 1.00 g | |
| Info |
Average pitch angle 1.4 ° -1.6 ° min to max 2.2 ° |
1.7 | 0.5 ° | |
| Info |
Average bank angle 0.2 ° 0.0 ° min to max 1.0 ° |
0.1 | 1.0 ° | |
| Info |
Battery Master On at 20:20:49 |
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| Info |
Engine 1 Started at 20:20:49 |
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| Info |
Beacon Lights Switched On at 20:20:49 |
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| Info |
Navigation Lights Switched On at 20:20:49 |
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| Info |
Landing Gear Down at 20:20:49 |
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| Info |
Parking Brake On at 20:20:49 |
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| Info |
Autopilot Flight Director Activated at 20:21:37 |
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| Info |
Autopilot Yaw Damper Activated at 20:21:41 |
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| Info |
Parking Brake Off at 20:23:35 |
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| Info |
Parking Brake On at 20:23:43 |
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| Info |
Parking Brake Off at 20:23:46 |
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| Info |
Taxi Lights Switched On at 20:25:04 |
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| Info |
Parking Brake On at 20:34:12 |
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| Info |
Parking Brake Off at 20:35:55 |
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| Info |
Parking Brake On at 20:36:21 |
Entering runway 02 at VNKT Tribhuvan International Airport, Average speed was 16 kn.
| Score | Description | Start | Profile | End |
| Info |
Average speed 17 kn 0 kn min to max 30 kn |
0 | 20 kn | |
| Info |
Average pitch angle 1.2 ° -0.6 ° min to max 2.8 ° |
1.2 | 1.3 ° | |
| Info |
Average bank angle 0.4 ° 0.0 ° min to max 1.5 ° |
1.3 | 0.3 ° | |
| Info |
Average g force 1.00 g 0.99 g min to max 1.01 g |
1.00 | 0.99 g | |
| Info |
Strobe Lights Switched On at 20:36:30 |
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| Info |
Landing Lights Switched On at 20:36:31 |
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| Info |
Taxi Lights Switched Off at 20:36:32 |
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| Info |
Parking Brake Off at 20:37:31 |
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| Info |
Flaps Position 1 at 20:40:38 |
Departure roll runway 02 at VNKT Tribhuvan International Airport. Takeoff distance 3,964 ft 41 % of runway. Liftoff speed was 109 kn. Local weather - Temperature 62 °F. Wind 1 kn at 270 °. Crosswind: 1 kn Headwind: 0 kn.
| Score | Description | Start | Profile | End |
| 100 % |
Takeoff distance 3,964 ft 41 % of runway |
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| 74.08 % |
Liftoff speed was 109 kn Target 90 kn |
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| 100 % |
Runway alignment max 15.6 ft 9.9 ft left to 5.7 ft right |
4.1 | 9.9 ft | |
| 100 % |
Average g force 1.00 g 0.95 g min to max 1.03 g |
0.99 | 1.03 g | |
| 60 % |
Takeoff Bounce |
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| Info |
Average pitch angle 1.9 ° 1.2 ° min to max 2.6 ° |
1.2 | 2.1 ° | |
| Info |
Average bank angle 0.3 ° 0.0 ° min to max 0.6 ° |
0.5 | 0.3 ° |
Departure climb to 50 ft agl from runway 02 VNKT Tribhuvan International Airport.
| Score | Description | Start | Profile | End |
| 100 % |
Heading variation -0.1 ° -0.2 ° min to max 0.0 ° |
-0.2 | 0.0 ° | |
| 100 % |
Average speed 115 kn 109 kn min to max 121 kn |
109 | 121 kn | |
| 100 % |
Average bank angle 1.4 ° 0.4 ° min to max 1.8 ° |
0.4 | 0.8 ° | |
| 100 % |
Average g force 1.02 g 1.00 g min to max 1.05 g |
1.03 | 1.02 g | |
| Info |
Average VSI 456 fpm 352 fpm min to max 585 fpm |
352 | 585 fpm | |
| Info |
Average altitude 32 ft agl 7 ft agl min to max 63 ft agl |
7 | 63 ft agl | |
| Info |
Average pitch angle 3.1 ° 2.2 ° min to max 3.8 ° |
2.2 | 3.8 ° | |
| Info |
Landing Gear Up at 20:41:30 |
Departure climb to 400 ft agl from 02 VNKT Tribhuvan International Airport.
| Score | Description | Start | Profile | End |
| 100 % |
Heading variation 0.2 ° -0.1 ° min to max 0.3 ° |
0.0 | -0.1 ° | |
| 100 % |
Average speed 125 kn 121 kn min to max 134 kn |
121 | 134 kn | |
| 100 % |
Average bank angle 2.1 ° 0.0 ° min to max 6.5 ° |
0.7 | 0.5 ° | |
| 100 % |
Average g force 1.04 g 0.94 g min to max 1.10 g |
1.02 | 1.10 g | |
| Info |
Average VSI 823 fpm 589 fpm min to max 1,771 fpm |
589 | 1,771 fpm | |
| Info |
Average altitude 112 ft agl 64 ft agl min to max 389 ft agl |
64 | 389 ft agl | |
| Info |
Average pitch angle 4.8 ° 3.8 ° min to max 7.9 ° |
3.8 | 7.9 ° |
Departure climb to 1,000 ft agl from 02 VNKT Tribhuvan International Airport.
| Score | Description | Start | Profile | End |
| 100 % |
Heading variation -0.6 ° -1.4 ° min to max -0.1 ° |
-0.1 | -1.4 ° | |
| 100 % |
Average speed 133 kn 130 kn min to max 134 kn |
134 | 130 kn | |
| 100 % |
Average bank angle 16.1 ° 2.9 ° min to max 30.2 ° |
2.9 | 30.2 ° | |
| 100 % |
Average g force 1.04 g 0.99 g min to max 1.09 g |
1.09 | 0.99 g | |
| 100 % |
Landing gear up |
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| Info |
Average VSI 2,314 fpm 1,959 fpm min to max 2,474 fpm |
1,959 | 2,332 fpm | |
| Info |
Average altitude 581 ft agl 423 ft agl min to max 741 ft agl |
423 | 741 ft agl | |
| Info |
Average pitch angle 10.1 ° 8.7 ° min to max 11.2 ° |
8.7 | 10.3 ° |
Enroute climb started 1 mile north of VNKT Tribhuvan International Airport Kathmandu (Bagmati Province, Nepal). Climbing from 5,158 ft asl to 16,494 ft asl, an increase of 11,336 ft in 12 minutes and covering 36 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 191 kn 130 kn min to max 205 kn |
130 | 197 kn | |
| 79.38 % |
Average bank angle 14.5 ° 0.0 ° min to max 50.3 ° |
35.2 | 0.1 ° | |
| 100 % |
Average g force 1.05 g 0.89 g min to max 1.43 g |
1.00 | 1.00 g | |
| Info |
Average VSI 910 fpm -1,412 fpm min to max 2,158 fpm |
2,158 | -4 fpm | |
| Info |
Average altitude 7,966 ft asl 5,097 ft asl min to max 16,494 ft asl |
5,158 | 16,494 ft asl | |
| Info |
Average pitch angle 2.1 ° -2.1 ° min to max 9.2 ° |
9.2 | -0.0 ° | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Autopilot Flight Director Deactivated at 20:42:00 |
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| Info |
Autopilot Yaw Damper Deactivated at 20:42:00 |
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| Info |
Autopilot Flight Director Activated at 20:42:04 |
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| Info |
Autopilot Flight Director Deactivated at 20:42:05 |
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| Info |
Autopilot Master Switched On at 20:42:06 |
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| Info |
Autopilot Flight Director Activated at 20:42:06 |
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| Info |
Autopilot Yaw Damper Activated at 20:42:06 |
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| Info |
Autopilot Nav1 Lock Activated at 20:42:10 |
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| Info |
Autopilot Vertical Hold Activated at 20:42:17 |
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| Info |
Flaps Fully Retracted at 20:42:25 |
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| Info |
Autopilot Vertical Hold Deactivated at 20:51:20 |
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| Info |
Autopilot Altitude Hold Activated at 20:53:20 |
Enroute level cruise started 9 miles north of VNRC Ramechhap Airport Ramechhap (Bagmati Province, Nepal) and lasted 4 minutes, covering 18 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average altitude 16,480 ft asl 16,455 ft asl min to max 16,499 ft asl |
16,495 | 16,455 ft asl | |
| 100 % |
Average speed 198 kn 117 kn min to max 218 kn |
202 | 117 kn | |
| 100 % |
Average bank angle 8.1 ° 0.0 ° min to max 17.8 ° |
0.0 | 0.9 ° | |
| 100 % |
Average g force 1.01 g 0.96 g min to max 1.08 g |
1.00 | 0.98 g | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Average pitch angle 0.0 ° -1.1 ° min to max 4.6 ° |
-0.2 | 4.6 ° |
Enroute climb started 9 miles south east of VNJI Jiri Airport Jiri (Bagmati Province, Nepal). Climbing from 16,453 ft asl to 17,271 ft asl, an increase of 819 ft in 2 minutes and covering 3 nm.
| Score | Description | Start | Profile | End |
| 0 % |
Average speed 100 kn 80 kn min to max 112 kn |
112 | 112 kn | |
| 100 % |
Average bank angle 14.6 ° 0.1 ° min to max 39.6 ° |
0.4 | 12.7 ° | |
| 100 % |
Average g force 1.03 g 0.79 g min to max 1.22 g |
1.01 | 1.14 g | |
| Info |
Average VSI 909 fpm -1,167 fpm min to max 2,886 fpm |
-62 | 1,146 fpm | |
| Info |
Average altitude 16,775 ft asl 16,271 ft asl min to max 17,271 ft asl |
16,453 | 17,271 ft asl | |
| Info |
Average pitch angle 12.8 ° 5.8 ° min to max 24.2 ° |
5.8 | 12.7 ° | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Stall Warning Activated at 20:59:07 |
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| Info |
Autopilot Master Switched Off at 20:59:12 |
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| Info |
Autopilot Nav1 Lock Deactivated at 20:59:12 |
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| Info |
Autopilot Yaw Damper Deactivated at 20:59:12 |
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| Info |
Stall Warning Deactivated at 20:59:12 |
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| Info |
Stall Warning Activated at 20:59:18 |
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| Info |
Stall Warning Deactivated at 20:59:19 |
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| Info |
Stall Warning Activated at 20:59:32 |
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| Info |
Autopilot Altitude Hold Deactivated at 20:59:38 |
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| Info |
Autopilot Flight Director Deactivated at 20:59:38 |
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| Info |
Autopilot Flight Director Activated at 20:59:58 |
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| Info |
Stall Warning Deactivated at 20:59:59 |
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| Info |
Autopilot Yaw Damper Activated at 21:00:00 |
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| Info |
Autopilot Yaw Damper Deactivated at 21:00:01 |
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| Info |
Autopilot Master Switched On at 21:00:03 |
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| Info |
Autopilot Yaw Damper Activated at 21:00:03 |
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| Info |
Autopilot Nav1 Lock Activated at 21:00:04 |
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| Info |
Autopilot Vertical Hold Activated at 21:00:18 |
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| Info |
Autopilot Vertical Hold Deactivated at 21:00:23 |
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| Info |
Autopilot Vertical Hold Activated at 21:00:24 |
Enroute level cruise started 9 miles east of VNJI Jiri Airport Jiri (Bagmati Province, Nepal) and lasted 2 minutes, covering 5 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average altitude 17,552 ft asl 17,296 ft asl min to max 17,602 ft asl |
17,296 | 17,602 ft asl | |
| 100 % |
Average speed 161 kn 111 kn min to max 190 kn |
112 | 190 kn | |
| 100 % |
Average bank angle 15.5 ° 11.5 ° min to max 25.4 ° |
13.4 | 24.9 ° | |
| 100 % |
Average g force 1.03 g 0.77 g min to max 1.24 g |
1.20 | 1.10 g | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Average pitch angle 1.9 ° -0.6 ° min to max 15.4 ° |
14.6 | 0.4 ° | |
| Info |
Autopilot Vertical Hold Deactivated at 21:00:37 |
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| Info |
Autopilot Vertical Hold Activated at 21:00:50 |
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| Info |
Autopilot Nav1 Lock Deactivated at 21:01:11 |
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| Info |
Autopilot Nav1 Lock Activated at 21:01:12 |
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| Info |
Autopilot Nav1 Lock Deactivated at 21:01:22 |
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| Info |
Autopilot Nav1 Lock Activated at 21:01:23 |
Enroute descent started 10 miles west of VNPL Phaplu Airport Phaplu (Province 1, Nepal). Descent from 17,603 ft asl to 8,191 ft asl, a decrease of 9,412 ft in 6 minutes and covering 15 nm.
| Score | Description | Start | Profile | End |
| 87.8 % |
Average speed 236 kn 190 kn min to max 315 kn |
190 | 192 kn | |
| 40.18 % |
Average bank angle 25.3 ° 0.3 ° min to max 69.9 ° |
24.9 | 50.9 ° | |
| 75.71 % |
Average g force 1.16 g 0.53 g min to max 2.35 g |
1.10 | 1.15 g | |
| Info |
Average VSI -1,461 fpm -11,205 fpm min to max 6,994 fpm |
62 | 1,697 fpm | |
| Info |
Average altitude 13,281 ft asl 6,334 ft asl min to max 17,611 ft asl |
17,603 | 8,191 ft asl | |
| Info |
Average pitch angle -2.8 ° -20.8 ° min to max 16.0 ° |
0.4 | 12.7 ° | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Autopilot Vertical Hold Deactivated at 21:02:41 |
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| Info |
Autopilot Vertical Hold Activated at 21:04:09 |
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| Info |
Autopilot Vertical Hold Deactivated at 21:04:23 |
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| Info |
Autopilot Vertical Hold Activated at 21:04:24 |
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| Info |
Autopilot Master Switched Off at 21:05:36 |
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| Info |
Autopilot Nav1 Lock Deactivated at 21:05:36 |
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| Info |
Autopilot Vertical Hold Deactivated at 21:05:36 |
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| Info |
Overspeed Warning Activated at 21:05:45 |
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| Info |
Overspeed Warning Deactivated at 21:06:58 |
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| Info |
Autopilot Altitude Hold Activated at 21:07:23 |
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| Info |
Autopilot Flight Director Deactivated at 21:07:36 |
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| Info |
Autopilot Yaw Damper Deactivated at 21:07:36 |
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| Info |
Autopilot Altitude Hold Deactivated at 21:07:37 |
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| Info |
Autopilot Vertical Hold Activated at 21:07:40 |
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| Info |
Overspeed Warning Activated at 21:07:58 |
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| Info |
Overspeed Warning Deactivated at 21:08:22 |
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| Info |
Exceeded 250 kn below 10000 ft at 21:07:52 |
Enroute climb started 5 miles north east of VNPL Phaplu Airport Phaplu (Province 1, Nepal). Climbing from 8,217 ft asl to 8,690 ft asl, an increase of 473 ft in 2 minutes and covering 7 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 146 kn 92 kn min to max 191 kn |
191 | 92 kn | |
| 81.64 % |
Average bank angle 12.7 ° 0.0 ° min to max 49.2 ° |
49.2 | 3.4 ° | |
| 99.14 % |
Average g force 1.01 g 0.72 g min to max 1.53 g |
1.09 | 0.79 g | |
| Info |
Average VSI 234 fpm -1,534 fpm min to max 2,929 fpm |
1,577 | 338 fpm | |
| Info |
Average altitude 8,830 ft asl 8,217 ft asl min to max 9,113 ft asl |
8,217 | 8,690 ft asl | |
| Info |
Average pitch angle 1.9 ° -5.8 ° min to max 12.0 ° |
12.0 | -1.6 ° | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Flaps Position 1 at 21:09:52 |
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| Info |
Landing Gear Down at 21:10:01 |
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| Info |
Flaps Position 2 at 21:10:03 |
Approaching runway 06 at VNLK Lukla Airport from 2 nm to 1 nm. Descent from 0 ft agl to -104 ft agl. A decrease of 546 ft in 19 seconds.
| Score | Description | Start | Profile | End |
| 98.9 % |
Approach angle 0.7 ° -6.3 ° min to max 6.3 ° Target 3.0 ° |
-5.6 | 6.3 ° | |
| 100 % |
Average speed 84 kn 78 kn min to max 96 kn |
92 | 78 kn | |
| 100 % |
Heading variation -1.0 ° -1.4 ° min to max -0.5 ° |
-1.4 | -0.5 ° | |
| 59.89 % |
Average bank angle 11.3 ° 1.3 ° min to max 17.8 ° |
3.4 | 17.8 ° | |
| 100 % |
Average g force 1.09 g 0.69 g min to max 1.42 g |
0.69 | 1.06 g | |
| Info |
Average VSI 2,092 fpm -334 fpm min to max 2,645 fpm |
-47 | 2,645 fpm | |
| Info |
Average altitude -264 ft agl -660 ft agl min to max -104 ft agl |
-651 | -104 ft agl | |
| Info |
Average pitch angle 17.2 ° -3.8 ° min to max 21.2 ° |
-3.8 | 21.2 ° | |
| Info |
Landing Gear Up at 21:11:39 |
Landing on runway 06 at VNLK Lukla Airport, runway length 1,785 ft. Threshold height at 82 ft agl was significantly above target. Threshold speed was slightly below target at 77 kn.
| Score | Description | Start | Profile | End |
| 100 % |
Threshold speed was slightly below target at 77 kn. Target 82 kn |
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| 0 % |
Target 29 ft agl |
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| 0 % |
Landing and flare profile |
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| 0 % |
Heading variation 22.2 ° -36.5 ° min to max 93.9 ° |
-0.2 | -14.4 ° | |
| 0 % |
Average bank angle 28.6 ° 0.5 ° min to max 86.0 ° |
17.9 | 12.2 ° | |
| 28 % |
Average g force 1.17 g 0.07 g min to max 4.02 g |
1.06 | 1.18 g | |
| Info |
Average speed 151 kn 67 kn min to max 224 kn |
77 | 187 kn | |
| Info |
Average VSI 24 fpm -6,971 fpm min to max 5,231 fpm |
2,653 | -528 fpm | |
| Info |
Average altitude 543 ft agl -638 ft agl min to max 2,057 ft agl |
82 | -13 ft agl | |
| Info |
Average pitch angle 3.7 ° -15.1 ° min to max 22.3 ° |
21.3 | -1.1 ° | |
| Info |
Autopilot Altitude Hold Activated at 21:12:37 |
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| Info |
Autopilot Flight Director Activated at 21:12:37 |
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| Info |
Autopilot Vertical Hold Deactivated at 21:12:37 |
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| Info |
Flaps Position 1 at 21:12:49 |
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| Info |
Autopilot Flight Director Deactivated at 21:13:31 |
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| Info |
Landing Gear Down at 21:14:02 |
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| Info |
Stall Warning Activated at 21:14:43 |
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| Info |
Stall Warning Deactivated at 21:14:44 |
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| Info |
Landing Gear Up at 21:15:01 |
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| Info |
Flaps Position 3 at 21:15:31 |
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| Info |
Flaps Fully Retracted at 21:15:47 |
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| Info |
Flaps Position 3 at 21:16:57 |
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| Info |
Landing Gear Down at 21:16:58 |
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| Info |
Landing Gear Up at 21:17:14 |
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| Info |
Flaps Fully Retracted at 21:17:14 |
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| Info |
Stall Warning Activated at 21:18:04 |
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| Info |
Stall Warning Deactivated at 21:18:06 |
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| Info |
Stall Warning Activated at 21:18:07 |
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| Info |
Stall Warning Deactivated at 21:18:09 |
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| Info |
Flaps Position 1 at 21:18:20 |
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| Info |
Flaps Position 2 at 21:18:24 |
Go-Around runway 06 at VNLK Lukla Airport at 0 ft agl.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 172 kn 142 kn min to max 198 kn |
188 | 142 kn | |
| 72.66 % |
Average bank angle 19.8 ° 0.8 ° min to max 53.7 ° |
14.2 | 3.0 ° | |
| 100 % |
Average g force 1.06 g 0.80 g min to max 1.38 g |
1.21 | 1.19 g | |
| Info |
Average altitude -49 ft agl -196 ft agl min to max 129 ft agl |
-196 | -81 ft agl | |
| Info |
Average pitch angle -2.4 ° -8.9 ° min to max 2.5 ° |
-0.4 | -8.9 ° | |
| Info |
Landing Gear Down at 21:18:28 |
Approaching runway 06 at VNLK Lukla Airport from 2 nm to 1 nm. Descent from 0 ft agl to 296 ft agl. A decrease of 409 ft in 11 seconds.
| Score | Description | Start | Profile | End |
| 66.54 % |
Approach angle 13.2 ° 1.8 ° min to max 32.5 ° Target 3.0 ° |
1.8 | 32.5 ° | |
| 100 % |
Average speed 120 kn 104 kn min to max 142 kn |
142 | 107 kn | |
| 0 % |
Heading variation -7.8 ° -16.3 ° min to max 18.0 ° |
-6.3 | 18.0 ° | |
| 0 % |
Average bank angle 41.8 ° 0.1 ° min to max 66.7 ° |
0.1 | 65.5 ° | |
| 85.43 % |
Average g force 1.30 g 0.66 g min to max 2.01 g |
1.61 | 0.78 g | |
| Info |
Average VSI 1,770 fpm -2,096 fpm min to max 4,288 fpm |
-2,096 | 358 fpm | |
| Info |
Average altitude 85 ft agl -121 ft agl min to max 299 ft agl |
-114 | 296 ft agl | |
| Info |
Average pitch angle 8.6 ° -5.2 ° min to max 19.4 ° |
-5.2 | 2.9 ° | |
| Info |
Landing Gear Up at 21:19:03 |
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| Info |
Flaps Fully Retracted at 21:19:03 |
Approaching runway 06 at VNLK Lukla Airport from 1 nm to 0 nm. Descent from 273 ft agl to 101 ft agl. A decrease of 172 ft in 222 seconds.
| Score | Description | Start | Profile | End |
| 0 % |
Approach angle 6.2 ° 0.4 ° min to max 32.5 ° Target 3.0 ° |
32.5 | 0.4 ° | |
| 100 % |
Average speed 181 kn 110 kn min to max 242 kn |
110 | 240 kn | |
| 0 % |
Heading variation 8.5 ° -47.5 ° min to max 83.4 ° |
23.6 | -26.7 ° | |
| 0 % |
Average bank angle 25.8 ° 0.1 ° min to max 62.1 ° |
62.1 | 31.3 ° | |
| 74 % |
Average g force 1.08 g 0.58 g min to max 2.41 g |
0.79 | 1.21 g | |
| Info |
Average VSI -37 fpm -4,203 fpm min to max 5,164 fpm |
-797 | -447 fpm | |
| Info |
Average altitude 1,174 ft agl -73 ft agl min to max 2,224 ft agl |
273 | 101 ft agl | |
| Info |
Average pitch angle 2.6 ° -13.3 ° min to max 26.3 ° |
-1.4 | 1.8 ° | |
| Info |
Stall Warning Activated at 21:20:04 |
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| Info |
Stall Warning Deactivated at 21:20:05 |
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| Info |
Flaps Position 1 at 21:20:25 |
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| Info |
Flaps Fully Retracted at 21:21:09 |
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| Info |
Flaps Position 1 at 21:22:46 |
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| Info |
Gear not down at 21:19:19 |
Go-Around runway 06 at VNLK Lukla Airport at 102 ft agl.
| Score | Description | Start | Profile | End |
| 90.62 % |
Average speed 186 kn 123 kn min to max 282 kn |
236 | 126 kn | |
| 36.06 % |
Average bank angle 23.8 ° 0.3 ° min to max 72.0 ° |
28.0 | 3.8 ° | |
| 64.29 % |
Average g force 1.11 g 0.52 g min to max 2.75 g |
1.47 | 1.01 g | |
| Info |
Average altitude 1,096 ft agl -1,419 ft agl min to max 3,323 ft agl |
102 | -191 ft agl | |
| Info |
Average pitch angle -0.5 ° -16.5 ° min to max 18.6 ° |
1.5 | -8.6 ° | |
| Info |
Flaps Position 2 at 21:24:36 |
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| Info |
Flaps Position 3 at 21:24:54 |
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| Info |
Flaps Fully Retracted at 21:25:56 |
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| Info |
Autopilot Flight Director Activated at 21:27:30 |
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| Info |
Autopilot Altitude Hold Deactivated at 21:27:31 |
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| Info |
Autopilot Master Switched On at 21:27:34 |
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| Info |
Autopilot Yaw Damper Activated at 21:27:34 |
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| Info |
Autopilot Master Switched Off at 21:27:39 |
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| Info |
Autopilot Flight Director Deactivated at 21:28:09 |
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| Info |
Autopilot Yaw Damper Deactivated at 21:28:09 |
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| Info |
Overspeed Warning Activated at 21:28:31 |
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| Info |
Overspeed Warning Deactivated at 21:28:36 |
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| Info |
Landing Gear Down at 21:29:30 |
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| Info |
Flaps Position 1 at 21:29:32 |
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| Info |
Flaps Position 3 at 21:29:42 |
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| Info |
Exceeded 250 kn below 10000 ft at 21:28:25 |
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| Info |
Exceeded 250 kn below 10000 ft at 21:28:50 |
Approaching runway 06 at VNLK Lukla Airport from 1 nm to 0 nm. Descent from 0 ft agl to -241 ft agl. A decrease of 25 ft in 3 seconds.
| Score | Description | Start | Profile | End |
| 100 % |
Approach angle -0.4 ° -0.7 ° min to max 0.0 ° Target 3.0 ° |
0.0 | -0.7 ° | |
| 100 % |
Average speed 125 kn 123 kn min to max 127 kn |
127 | 123 kn | |
| 52 % |
Heading variation 1.2 ° 0.5 ° min to max 1.7 ° |
1.7 | 0.5 ° | |
| 61.82 % |
Average bank angle 9.8 ° 2.6 ° min to max 17.2 ° |
2.6 | 10.4 ° | |
| 96.29 % |
Average g force 1.44 g 1.07 g min to max 1.63 g |
1.45 | 1.60 g | |
| Info |
Average VSI -913 fpm -1,577 fpm min to max -440 fpm |
-1,577 | -440 fpm | |
| Info |
Average altitude -230 ft agl -241 ft agl min to max -216 ft agl |
-216 | -241 ft agl | |
| Info |
Average pitch angle -2.9 ° -5.2 ° min to max 0.6 ° |
-4.8 | 0.6 ° |
Go-Around runway 06 at VNLK Lukla Airport at 0 ft agl.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 104 kn 93 kn min to max 121 kn |
121 | 93 kn | |
| 100 % |
Average bank angle 5.1 ° 0.6 ° min to max 15.8 ° |
10.0 | 6.0 ° | |
| 7.71 % |
Average g force 1.32 g 0.12 g min to max 4.73 g |
1.43 | 0.62 g | |
| Info |
Average altitude -167 ft agl -238 ft agl min to max -99 ft agl |
-238 | -99 ft agl | |
| Info |
Average pitch angle 9.8 ° -0.7 ° min to max 30.5 ° |
1.4 | 8.2 ° |
Landing on runway 06 at VNLK Lukla Airport, runway length 1,785 ft. Threshold height at 85 ft agl was significantly above target. Threshold speed was well above target at 93 kn.
| Score | Description | Start | Profile | End |
| 100 % |
Threshold speed was well above target at 93 kn. Target 82 kn |
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| 0 % |
Target 29 ft agl |
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| 0 % |
Landing and flare profile |
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| 0 % |
Heading variation -2.9 ° -4.5 ° min to max -1.7 ° |
-1.7 | -4.5 ° | |
| 86.87 % |
Average bank angle 5.3 ° 0.0 ° min to max 7.0 ° |
6.0 | 7.0 ° | |
| 100 % |
Average g force 0.57 g 0.56 g min to max 0.61 g |
0.61 | 0.60 g | |
| Info |
Average speed 90 kn 88 kn min to max 93 kn |
93 | 88 kn | |
| Info |
Average VSI 1,241 fpm -26 fpm min to max 2,395 fpm |
2,395 | -26 fpm | |
| Info |
Average altitude 111 ft agl 85 ft agl min to max 120 ft agl |
85 | 113 ft agl | |
| Info |
Average pitch angle 0.7 ° -7.4 ° min to max 8.0 ° |
8.0 | -7.4 ° |
Touchdown point was very long using more than 50% of available runway. Touchdown speed at 88 kn was a little fast. Touchdown rate was perfect at -26 fpm. Runway touchdown position was significantly misaligned by 76 ft from centreline. Local weather - Temperature 20 °F. Wind 1 kn at 29 °. Crosswind: 1 kn Headwind: 1 kn.
| Score | Description | Start | Profile | End |
| 100 % |
Touchdown VSI was -26 fpm. |
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| 100 % |
Touchdown distance was 564 ft Target 1,095 ft |
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| 100 % |
Speed at touchdown 88 kn Target below 80 kn |
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| 26.52 % |
Runway alignment max 82.4 ft 38.8 ft right |
-75.3 | 6.2 ft | |
| 15.74 % |
Average bank angle 7.0 ° 4.1 ° min to max 8.8 ° |
7.0 | 4.1 ° | |
| 34 % |
Average g force 1.18 g 0.47 g min to max 3.81 g |
0.60 | 2.07 g | |
| 0 % |
Landing Bounce |
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| Info |
Average speed 79 kn 72 kn min to max 88 kn |
88 | 72 kn | |
| Info |
Average pitch angle 6.6 ° -7.7 ° min to max 22.1 ° |
-7.4 | 20.7 ° |
Total landing distance 1,559 ft, 87 % of runway. Runway rollout alignment was misaligned by 75 ft from centreline.
| Score | Description | Start | Profile | End |
| 50.64 % |
Landing distance 1,559 ft 87 % of runway. |
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| 27.47 % |
Runway alignment max 75.3 ft 75.3 ft left to 0.0 ft left |
7.6 | 75.3 ft | |
| 36.86 % |
Average g force 1.12 g 0.34 g min to max 3.71 g |
1.99 | 3.47 g | |
| Info |
Average speed 74 kn 62 kn min to max 80 kn |
80 | 62 kn | |
| Info |
Average pitch angle 9.9 ° -3.0 ° min to max 33.0 ° |
23.7 | 33.0 ° | |
| Info |
Average bank angle 3.5 ° 0.4 ° min to max 4.1 ° |
4.1 | 4.1 ° | |
| Info |
Stall Warning Activated at 21:30:35 |
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| Info |
Stall Warning Deactivated at 21:30:36 |
Exiting runway, average speed 31 kn
| Score | Description | Start | Profile | End |
| Info |
Average speed 35 kn 3 kn min to max 60 kn |
60 | 5 kn | |
| Info |
Average pitch angle 29.8 ° -6.2 ° min to max 59.7 ° |
36.5 | 8.8 ° | |
| Info |
Average bank angle 5.9 ° 0.1 ° min to max 29.0 ° |
4.2 | 11.2 ° | |
| Info |
Average g force 1.06 g 0.22 g min to max 3.28 g |
3.28 | 1.10 g | |
| Info |
Stall Warning Activated at 21:30:38 |
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| Info |
Stall Warning Deactivated at 21:30:39 |
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| Info |
Parking Brake On at 21:31:00 |
The aircraft in question, a PC-12, has landed at VNLK Lukla Airport, with a score of 42.9%. The final approach was made from the southwest, heading 58.0° at 1 nautical mile and 651 feet above ground level (agl). The landing was conducted on runway 06, which has a length of 1,785 feet.
Upon analysis, it is evident that the aircraft had a challenging approach. The threshold height at 82 feet agl was significantly above the target, indicating that the aircraft was higher than desired at the point of threshold crossing. Additionally, the threshold speed was slightly below the target at 77 knots, suggesting that the aircraft may have been slightly slow.
However, the second approach, where the threshold height was at 85 feet agl and the threshold speed was well above the target at 93 knots, resulted in a very long touchdown point, using more than 50% of the available runway. The touchdown speed of 88 knots was also a little fast, which may have contributed to the long touchdown point. On the other hand, the touchdown rate was perfect at -26 feet per minute (fpm), indicating a smooth and controlled descent.
The local weather conditions at the time of landing were characterized by a temperature of 20°F and a wind speed of 1 knot at 29°. The crosswind and headwind components were both 1 knot, indicating minimal wind effects on the landing. Despite this, the runway touchdown position was significantly misaligned by 76 feet from the centreline, and the runway rollout alignment was also misaligned by 75 feet from the centreline.
Overall, the landing was not ideal, with several areas for improvement. The aircraft's score of 42.9% reflects the challenges faced during the landing, including the high threshold height, slow threshold speed, long touchdown point, and misaligned touchdown and rollout positions.
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