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This flight was conducted in a Curtiss JN-4D aircraft, a biplane designed for training and recreational purposes. The aircraft taxied from the parking area to the runway, a distance of less than 1 nautical mile, in under a minute.
Upon reaching the runway, the aircraft began its departure roll from runway 26 at LRPW Gheorghe Valentin Bibescu. The takeoff distance was 124 meters, which accounted for 17% of the runway's length. The aircraft lifted off at a speed of 48 knots. At the time of takeoff, the local weather conditions were characterized by a temperature of 15 degrees Celsius and a gentle headwind of 2 knots from a direction of 269 degrees.
After taking off, the aircraft entered a level cruise, flying overhead LRPW Gheorghe Valentin Bibescu in Prahova, Romania. This phase of the flight lasted for 4 minutes and covered a distance of 3 nautical miles.
As the aircraft approached the end of its flight, it began its final approach to runway 27 at LRPW Gheorghe Valentin Bibescu. The approach was made from the east, with the aircraft heading 248 degrees at an altitude of 497 feet above ground level and a distance of 2 nautical miles from the runway.
The landing was conducted on runway 27, which had a length of 938 meters. The threshold height was good, but the threshold speed was excessively high at 63 knots. As a result, the touchdown point was very long, using more than 50% of the available runway. The touchdown speed was also fast at 42 knots, but the touchdown rate was smooth at -100 feet per minute. However, the runway touchdown position was excessively misaligned by 31.6 meters from the centerline. The local weather conditions remained the same as during takeoff, with a temperature of 15 degrees Celsius and a gentle headwind of 2 knots from a direction of 269 degrees.
In total, the flight covered a distance of 5 nautical miles and lasted for 9 minutes, consuming 5 kilograms 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 less than 1 minute. and covered less than 1 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average speed 8 kt 1 kt min to max 10 kt |
1 | 9 kt | |
| 100 % |
Average speed turning corners 0 kt max 0 kt |
0 | 0 kt | |
| 100 % |
Average g force 1.00 g 1.00 g min to max 1.00 g |
1.00 | 1.00 g | |
| Info |
Average pitch angle 9.3 ° 9.2 ° min to max 9.3 ° |
9.3 | 9.2 ° | |
| Info |
Average bank angle 0.3 ° 0.0 ° min to max 1.5 ° |
0.1 | 0.7 ° | |
| Info |
Battery Master On at 23:18:46 |
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| Info |
Engine 1 Started at 23:18:46 |
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| Info |
Landing Gear Down at 23:18:46 |
Entering runway 26 at LRPW Gheorghe Valentin Bibescu, Average speed was 29 kt.
| Score | Description | Start | Profile | End |
| Info |
Average speed 28 kt 6 kt min to max 40 kt |
9 | 40 kt | |
| Info |
Average pitch angle 9.6 ° 8.5 ° min to max 10.0 ° |
9.3 | 10.0 ° | |
| Info |
Average bank angle 0.6 ° 0.0 ° min to max 2.6 ° |
0.3 | 1.8 ° | |
| Info |
Average g force 0.97 g 0.95 g min to max 0.99 g |
0.99 | 0.97 g |
Departure roll runway 26 at LRPW Gheorghe Valentin Bibescu. Takeoff distance 124 m 17 % of runway. Liftoff speed was 48 kt. Local weather - Temperature 15 °C. Wind 2 kt at 269 °. Crosswind: 0 kt Headwind: 2 kt.
| Score | Description | Start | Profile | End |
| 100 % |
Takeoff distance 124 m 17 % of runway |
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| 42.79 % |
Liftoff speed was 48 kt Target 35 kt |
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| 15.59 % |
Runway alignment max 30.38 m 26.20 m left to 4.18 m right |
-4.18 | 26.20 m | |
| 100 % |
Average g force 0.97 g 0.95 g min to max 1.04 g |
0.97 | 1.04 g | |
| 40 % |
Takeoff Bounce |
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| Info |
Average pitch angle 9.8 ° 6.5 ° min to max 13.3 ° |
10.0 | 13.3 ° | |
| Info |
Average bank angle 4.2 ° 1.8 ° min to max 7.2 ° |
1.8 | 7.2 ° |
Departure climb to 50 ft agl from runway 26 LRPW Gheorghe Valentin Bibescu.
| Score | Description | Start | Profile | End |
| 43.67 % |
Heading variation -3.8 ° -6.1 ° min to max -1.7 ° |
-5.0 | -1.8 ° | |
| 100 % |
Average speed 51 kt 45 kt min to max 56 kt |
48 | 56 kt | |
| 73.74 % |
Average bank angle 5.9 ° 0.0 ° min to max 12.0 ° |
7.4 | 4.8 ° | |
| 100 % |
Average g force 0.99 g 0.86 g min to max 1.13 g |
1.05 | 1.06 g | |
| Info |
Average VSI 188 fpm -217 fpm min to max 655 fpm |
397 | 273 fpm | |
| Info |
Average altitude 38 ft agl 2 ft agl min to max 57 ft agl |
2 | 57 ft agl | |
| Info |
Average pitch angle 10.9 ° 5.5 ° min to max 19.8 ° |
13.7 | 10.3 ° |
Departure climb to 400 ft agl from 26 LRPW Gheorghe Valentin Bibescu.
| Score | Description | Start | Profile | End |
| 83.88 % |
Heading variation -2.4 ° -3.3 ° min to max -1.8 ° |
-1.8 | -3.3 ° | |
| 100 % |
Average speed 55 kt 53 kt min to max 56 kt |
56 | 53 kt | |
| 68.55 % |
Average bank angle 9.4 ° 4.8 ° min to max 14.0 ° |
4.8 | 14.0 ° | |
| 100 % |
Average g force 1.04 g 0.97 g min to max 1.08 g |
1.06 | 1.01 g | |
| Info |
Average VSI 454 fpm 282 fpm min to max 667 fpm |
282 | 667 fpm | |
| Info |
Average altitude 78 ft agl 58 ft agl min to max 102 ft agl |
58 | 102 ft agl | |
| Info |
Average pitch angle 12.6 ° 9.7 ° min to max 15.3 ° |
10.4 | 15.3 ° |
Enroute level cruise started overhead LRPW Gheorghe Valentin Bibescu (Prahova, Romania) and lasted 4 minutes, covering 3 nm.
| Score | Description | Start | Profile | End |
| 100 % |
Average altitude 834 ft asl 674 ft asl min to max 1,071 ft asl |
674 | 1,071 ft asl | |
| 100 % |
Average speed 61 kt 46 kt min to max 79 kt |
53 | 62 kt | |
| 100 % |
Average bank angle 7.8 ° 0.2 ° min to max 26.7 ° |
14.0 | 6.4 ° | |
| 99.43 % |
Average g force 1.00 g 0.48 g min to max 1.38 g |
1.01 | 0.88 g | |
| Info |
Turn coordination 0 0 min to max 0 |
0 | 0 | |
| Info |
Average pitch angle 6.7 ° -10.5 ° min to max 18.2 ° |
15.3 | 2.9 ° | |
| Info |
Overspeed Warning Activated at 23:21:23 |
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| Info |
Overspeed Warning Deactivated at 23:21:45 |
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| Info |
Overspeed Warning Activated at 23:22:37 |
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| Info |
Overspeed Warning Deactivated at 23:22:41 |
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| Info |
Overspeed Warning Activated at 23:22:51 |
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| Info |
Overspeed Warning Deactivated at 23:23:03 |
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| Info |
Overspeed Warning Activated at 23:23:57 |
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| Info |
Overspeed Warning Deactivated at 23:24:04 |
Approaching runway 27 at LRPW Gheorghe Valentin Bibescu from 3 nm to 2 nm. Descent from 497 ft agl to 199 ft agl. A decrease of 299 ft in 374 seconds.
| Score | Description | Start | Profile | End |
| 100 % |
Approach angle 1.4 ° 0.9 ° min to max 2.1 ° Target 3.0 ° |
1.9 | 0.9 ° | |
| 100 % |
Average speed 70 kt 53 kt min to max 85 kt |
63 | 76 kt | |
| 33.62 % |
Heading variation -5.4 ° -10.6 ° min to max -0.6 ° |
-10.6 | -7.4 ° | |
| 13.22 % |
Average bank angle 15.9 ° 0.5 ° min to max 35.1 ° |
18.5 | 2.4 ° | |
| 83.71 % |
Average g force 1.00 g 0.12 g min to max 2.07 g |
0.75 | 1.05 g | |
| Info |
Average VSI -278 fpm -1,465 fpm min to max 846 fpm |
-90 | -235 fpm | |
| Info |
Average altitude 369 ft agl 199 ft agl min to max 517 ft agl |
497 | 199 ft agl | |
| Info |
Average pitch angle 1.6 ° -9.6 ° min to max 18.3 ° |
-2.0 | 1.9 ° | |
| Info |
Overspeed Warning Activated at 23:24:24 |
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| Info |
Overspeed Warning Deactivated at 23:25:47 |
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| Info |
Overspeed Warning Activated at 23:25:48 |
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| Info |
Overspeed Warning Deactivated at 23:25:49 |
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| Info |
Overspeed Warning Activated at 23:26:55 |
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| Info |
Overspeed Warning Deactivated at 23:29:50 |
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| Info |
Overspeed Warning Activated at 23:30:17 |
Approaching runway 27 at LRPW Gheorghe Valentin Bibescu from 2 nm to 1 nm. Descent from 196 ft agl to 164 ft agl. A decrease of 32 ft in 53 seconds.
| Score | Description | Start | Profile | End |
| 100 % |
Approach angle 1.1 ° 0.8 ° min to max 1.7 ° Target 3.0 ° |
0.9 | 1.5 ° | |
| 100 % |
Average speed 70 kt 56 kt min to max 76 kt |
76 | 69 kt | |
| 60.92 % |
Heading variation -5.6 ° -7.1 ° min to max -3.4 ° |
-7.1 | -3.4 ° | |
| 92.27 % |
Average bank angle 2.3 ° 0.0 ° min to max 5.9 ° |
5.9 | 4.3 ° | |
| 99.71 % |
Average g force 1.01 g 0.55 g min to max 1.51 g |
1.04 | 0.95 g | |
| Info |
Average VSI -47 fpm -491 fpm min to max 1,525 fpm |
-173 | -11 fpm | |
| Info |
Average altitude 165 ft agl 110 ft agl min to max 226 ft agl |
196 | 164 ft agl | |
| Info |
Average pitch angle 3.4 ° -1.1 ° min to max 19.6 ° |
2.2 | 2.6 ° | |
| Info |
Overspeed Warning Deactivated at 23:31:12 |
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| Info |
Overspeed Warning Activated at 23:31:23 |
Approaching runway 27 at LRPW Gheorghe Valentin Bibescu from 1 nm to 0 nm. Descent from 162 ft agl to 39 ft agl. A decrease of 123 ft in 44 seconds.
| Score | Description | Start | Profile | End |
| 100 % |
Approach angle 2.0 ° 1.5 ° min to max 2.5 ° Target 3.0 ° |
1.5 | 2.3 ° | |
| 100 % |
Average speed 68 kt 63 kt min to max 72 kt |
69 | 63 kt | |
| 21.6 % |
Heading variation -0.7 ° -2.5 ° min to max 0.8 ° |
-2.5 | -1.0 ° | |
| 63.88 % |
Average bank angle 3.0 ° 0.0 ° min to max 16.4 ° |
3.9 | 0.2 ° | |
| 100 % |
Average g force 1.02 g 0.78 g min to max 1.24 g |
0.97 | 0.80 g | |
| Info |
Average VSI -200 fpm -665 fpm min to max 88 fpm |
-84 | 24 fpm | |
| Info |
Average altitude 75 ft agl 35 ft agl min to max 162 ft agl |
162 | 39 ft agl | |
| Info |
Average pitch angle 2.6 ° -3.7 ° min to max 6.0 ° |
2.3 | 2.0 ° | |
| Info |
Overspeed Warning Deactivated at 23:31:51 |
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| Info |
Overspeed Warning Activated at 23:32:09 |
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| Info |
Overspeed Warning Deactivated at 23:32:14 |
Landing on runway 27 at LRPW Gheorghe Valentin Bibescu, runway length 938 m. Good threshold height. Threshold speed was excessively high at 63 kt.
| Score | Description | Start | Profile | End |
| 0 % |
Threshold speed was excessively high at 63 kt. Target 40 kt |
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| 100 % |
Target 50 ft agl |
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| 86 % |
Landing and flare profile |
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| 0 % |
Heading variation -2.4 ° -3.9 ° min to max -1.0 ° |
-1.0 | -3.9 ° | |
| 95.32 % |
Average bank angle 2.2 ° 0.0 ° min to max 3.8 ° |
0.1 | 3.7 ° | |
| 100 % |
Average g force 0.99 g 0.79 g min to max 1.10 g |
0.79 | 0.95 g | |
| Info |
Average speed 52 kt 42 kt min to max 63 kt |
63 | 42 kt | |
| Info |
Average VSI -99 fpm -249 fpm min to max 59 fpm |
15 | -100 fpm | |
| Info |
Average altitude 17 ft agl 6 ft agl min to max 38 ft agl |
38 | 6 ft agl | |
| Info |
Average pitch angle 7.8 ° 1.8 ° min to max 12.3 ° |
1.9 | 11.4 ° | |
| Info |
Stall Warning Activated at 23:32:33 |
Touchdown point was very long using more than 50% of available runway. Touchdown speed at 42 kt was fast. Touchdown rate was smooth at -100 fpm. Runway touchdown position was excessively misaligned by 31.6 m from centreline. Local weather - Temperature 15 °C. Wind 2 kt at 269 °. Crosswind: 0 kt Headwind: 2 kt.
| Score | Description | Start | Profile | End |
| 99.91 % |
Touchdown VSI was -100 fpm. |
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| 100 % |
Touchdown distance was 475 m Target 457 m |
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| 100 % |
Speed at touchdown 42 kt Target below 36 kt |
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| 0 % |
Runway alignment max 31.56 m 31.01 m right |
-31.56 | -30.49 m | |
| 78.99 % |
Average bank angle 3.2 ° 2.5 ° min to max 3.7 ° |
3.7 | 2.5 ° | |
| 100 % |
Average g force 1.10 g 0.95 g min to max 1.18 g |
0.95 | 1.06 g | |
| 100 % |
Landing Bounce |
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| Info |
Average speed 42 kt 42 kt min to max 42 kt |
42 | 42 kt | |
| Info |
Average pitch angle 10.4 ° 10.1 ° min to max 11.4 ° |
11.4 | 10.4 ° | |
| Info |
Stall Warning Deactivated at 23:32:35 |
The Curtiss JN-4D aircraft successfully landed on runway 27 at LRPW Gheorghe Valentin Bibescu, but the landing was not without its issues. The pilot's final approach to the runway from the east, heading 248.0° at 2 nautical miles and 497 feet above ground level (agl), was a good start. However, upon landing, the pilot encountered some problems.
One of the main issues was the excessively high threshold speed of 63 knots, which is higher than the recommended speed for landing. This could have put additional stress on the aircraft and potentially made the landing more difficult. Additionally, the touchdown point was very long, using more than 50% of the available runway. This indicates that the pilot may have been unable to slow the aircraft down quickly enough, resulting in a longer than necessary landing roll.
The touchdown speed of 42 knots was also faster than recommended, which could have made the landing more challenging. However, the touchdown rate was smooth, at -100 feet per minute (fpm), which is a good sign. Unfortunately, the runway touchdown position was excessively misaligned by 31.6 meters from the centerline, which could have made the landing more difficult and potentially caused issues with the aircraft's stability.
The local weather conditions at the time of the landing were relatively calm, with a temperature of 15°C and a wind speed of 2 knots at 269°. The crosswind was negligible, at 0 knots, and the headwind was 2 knots, which was relatively light. Overall, while the landing was not perfect, the pilot was able to bring the aircraft safely to the ground, albeit with some issues.
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