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OEDF
Ad Dammam, Saudi Arabia
Runway 34L

Flight Score

99.43 %
ZULS
Shannan (Gonggar), China
Runway 27
16 Aug 2026 5:08 2305 nm Boeing 737-600 12,312 kg
Departure Score
100.00 %
Enroute Score
99.92 %
Arrival Score
98.36 %

What went well

Threshold crossed at 40 ft and 123 kt — both inside band
Flare on profile — 100 %
1.31 G at touchdown — inside band

What held you back

Arrival Touchdown — Touchdown distance was 664 m at 77 %, Touchdown VSI was -237 fpm. at 84 %, −0.37 points
Arrival Rollout — Runway alignment max 5.22 m at 92 %, −0.15 points

Top opportunity

Shorten the long landing

The one change that would have gained the most on this flight, and the guide passage for it.

Ground effect becomes significant below about one wingspan of height. A Cessna 172, with a 36 ft span, enters ground effect at flare height - the float it feels in the hold-off is ground effect arriving on cue. An A320, with a span around 117 ft, has been in ground effect since before the threshold and there is no sudden cushion to feel, only a gradual reduction in induced drag that lengthens any float you allow.

Read more in Flare Timing

Start to finish · 21 stages, 19 scored

The flight story

Departure One segment per stage, in flight order — colour is the score band. Drag the bar to move along the flight, or click a stage card to open its detail. Arrival
Departure Taxi 100.00Taxiing from the parking to the runway took 3 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 16 kt0 kt min to max 25 kt 0 14 kt
100 % Average speed turning corners 10 ktmax 15 kt 0 0 kt
100 % Average g force 1.00 g0.99 g min to max 1.00 g 1.00 1.00 g
Info Average pitch angle -1.5 °-1.7 ° min to max -1.3 ° -1.4 -1.4 °
Info Average bank angle 0.2 °0.0 ° min to max 1.4 ° 0.0 0.3 °

Events

Info Taxi Lights Switched On 8 ft agl · 3 kt
Info Engine 1 Started 8 ft agl · 3 kt
Info Parking Brake Off 8 ft agl · 3 kt
Info Landing Lights Switched On 8 ft agl · 14 kt
Info Strobe Lights Switched On 8 ft agl · 14 kt
Departure Runway Entry Entering runway 34L at OEDF King Fahd International Airport, Average speed was 39 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 34 kt19 kt min to max 40 kt 19 40 kt
Info Average pitch angle -1.5 °-1.5 ° min to max -1.4 ° -1.4 -1.5 °
Info Average bank angle 0.3 °0.2 ° min to max 0.5 ° 0.2 0.2 °
Info Average g force 1.00 g1.00 g min to max 1.01 g 1.00 1.01 g
Departure Roll 100.00Departure roll runway 34L at OEDF King Fahd International Airport. Takeoff distance 2,861 m 71 % of runway. Liftoff speed was 140 kt. Local weather - Temperature 52 °C. Wind 9 kt at 0 °. Crosswind: 2 kt Headwind: 9 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 2,861 m71 % of runway
100 % Liftoff speed was 140 ktTarget 147 kt
100 % Runway alignment max 2.64 m1.39 m left to 1.26 m right 0.74 -1.26 m
100 % Average g force 1.01 g0.99 g min to max 1.05 g 1.01 1.05 g
100 % Takeoff Bounce
Info Average pitch angle -0.9 °-1.5 ° min to max 8.8 ° -1.5 8.8 °
Info Average bank angle 0.1 °0.0 ° min to max 0.4 ° 0.2 0.4 °
Departure Climb 1 100.00Departure climb to 50 ft agl from runway 34L OEDF King Fahd International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.1 °0.0 ° min to max 0.1 ° 0.0 0.1 °
100 % Average speed 148 kt141 kt min to max 154 kt 141 154 kt
100 % Average bank angle 0.3 °0.0 ° min to max 0.5 ° 0.4 0.5 °
100 % Average g force 1.12 g1.07 g min to max 1.20 g 1.12 1.10 g
Info Average VSI 611 fpm151 fpm min to max 1,003 fpm 151 1,003 fpm
Info Average altitude 11 ft agl0 ft agl min to max 32 ft agl 0 32 ft agl
Info Average pitch angle 10.7 °9.9 ° min to max 11.5 ° 9.9 11.5 °

Events

Info Landing Gear Up 15 ft agl · 154 kt
Departure Climb 2 100.00Departure climb to 400 ft agl from 34L OEDF King Fahd International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.1 °0.1 ° min to max 0.3 ° 0.1 0.3 °
100 % Average speed 159 kt154 kt min to max 177 kt 154 177 kt
100 % Average bank angle 0.6 °0.5 ° min to max 1.2 ° 0.5 1.2 °
100 % Average g force 1.07 g0.91 g min to max 1.16 g 1.10 0.91 g
Info Average VSI 1,473 fpm1,024 fpm min to max 2,734 fpm 1,024 2,686 fpm
Info Average altitude 77 ft agl33 ft agl min to max 318 ft agl 33 318 ft agl
Info Average pitch angle 11.8 °11.5 ° min to max 14.0 ° 11.5 11.5 °

Events

Info Flaps Position 4 150 ft agl · 176 kt
Info Flaps Position 3 326 ft agl · 188 kt
Departure Climb 3 100.00Departure climb to 1,000 ft agl from 34L OEDF King Fahd International Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.4 °0.3 ° min to max 0.5 ° 0.3 0.4 °
100 % Average speed 186 kt180 kt min to max 192 kt 180 192 kt
100 % Average bank angle 2.3 °0.5 ° min to max 4.7 ° 1.5 1.9 °
100 % Average g force 1.06 g0.90 g min to max 1.20 g 0.92 1.07 g
100 % Landing gear up
Info Average VSI 3,172 fpm2,365 fpm min to max 4,762 fpm 2,619 4,762 fpm
Info Average altitude 588 ft agl361 ft agl min to max 880 ft agl 361 880 ft agl
Info Average pitch angle 13.7 °10.3 ° min to max 17.5 ° 11.1 17.5 °

Events

Fail Bounce during liftoff 494 ft agl · 195 kt
Info Flaps Position 2 494 ft agl · 195 kt
Info Flaps Position 1 622 ft agl · 202 kt
Enroute Climb 99.54Enroute climb started 1 mile north west of OEDF King Fahd International Airport Ad Dammam (Eastern Province, Saudi Arabia). Climbing from 1,021 ft asl to 40,852 ft asl, an increase of 39,831 ft in 48 minutes and covering 354 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 274 kt164 kt min to max 332 kt 196 239 kt
100 % Average bank angle 7.0 °0.0 ° min to max 26.5 ° 1.6 0.7 °
95 % Average g force 1.01 g0.67 g min to max 1.14 g 1.03 1.00 g
Info Average VSI 1,139 fpm95 fpm min to max 5,197 fpm 5,008 463 fpm
Info Average altitude 26,192 ft asl1,021 ft asl min to max 40,852 ft asl 1,021 40,852 ft asl
Info Average pitch angle 4.6 °1.7 ° min to max 17.7 ° 17.7 4.0 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Fully Retracted 1,229 ft agl · 212 kt
Info Autopilot Bank Hold Activated 1,472 ft agl · 213 kt
Info Landing Lights Switched Off 10,406 ft agl · 267 kt
Info Taxi Lights Switched Off 10,406 ft agl · 267 kt
Info Autopilot Bank Hold Deactivated 19,170 ft agl · 401 kt
Info Autopilot Bank Hold Activated 20,129 ft agl · 453 kt
Info Autopilot Bank Hold Deactivated 21,377 ft agl · 470 kt
Enroute Level 100.00Enroute level cruise started 6 miles north east of OIKQ Qeshm Dayrestan International Airport Dayrestan (Hormozgan Province, Iran) and lasted 236 minutes, covering 1,839 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 40,999 ft asl40,933 ft asl min to max 41,057 ft asl 40,933 41,026 ft asl
100 % Average speed 243 kt238 kt min to max 244 kt 238 242 kt
100 % Average bank angle 2.9 °0.0 ° min to max 28.1 ° 0.0 0.3 °
100 % Average g force 1.01 g0.97 g min to max 1.18 g 0.98 0.98 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 3.0 °2.4 ° min to max 4.2 ° 3.9 2.4 °

Events

Info Autopilot Bank Hold Activated 39,917 ft agl · 474 kt
Info Autopilot Bank Hold Deactivated 40,008 ft agl · 476 kt
Enroute Descent 100.00Enroute descent started 23 miles north of Jiangzi (Tibet Autonomous Region, China). Descent from 40,992 ft asl to 17,878 ft asl, a decrease of 23,114 ft in 10 minutes and covering 79 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 285 kt243 kt min to max 324 kt 243 261 kt
100 % Average bank angle 10.0 °0.0 ° min to max 28.6 ° 0.2 0.1 °
100 % Average g force 1.03 g0.91 g min to max 1.17 g 0.98 1.05 g
Info Average VSI -2,686 fpm-4,227 fpm min to max -456 fpm -456 -774 fpm
Info Average altitude 30,821 ft asl17,878 ft asl min to max 40,992 ft asl 40,992 17,878 ft asl
Info Average pitch angle -1.7 °-3.9 ° min to max 1.9 ° 1.9 0.9 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Autopilot Bank Hold Activated 21,123 ft agl · 478 kt
Info Landing Lights Switched On 8,713 ft agl · 391 kt
Info Taxi Lights Switched On 8,713 ft agl · 391 kt
Enroute Level 2 100.00Enroute level cruise started 19 miles east of ZULS Lhasa Gonggar Airport Shannan (Gonggar) (Tibet Autonomous Region, China) and lasted 2 minutes, covering 7 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 17,525 ft asl17,482 ft asl min to max 17,784 ft asl 17,784 17,482 ft asl
100 % Average speed 193 kt146 kt min to max 253 kt 253 146 kt
100 % Average bank angle 21.9 °0.1 ° min to max 25.7 ° 0.1 1.4 °
100 % Average g force 1.09 g0.98 g min to max 1.16 g 0.98 1.00 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 2.9 °0.8 ° min to max 5.0 ° 1.1 5.0 °

Events

Info Flaps Position 1 4,488 ft agl · 340 kt
Info Flaps Position 2 4,454 ft agl · 328 kt
Info Flaps Position 3 4,321 ft agl · 322 kt
Info Landing Gear Down 5,681 ft agl · 300 kt
Info Flaps Position 4 5,669 ft agl · 288 kt
Info Flaps Position 3 5,672 ft agl · 285 kt
Info Flaps Position 4 5,674 ft agl · 280 kt
Info Flaps Position 3 5,672 ft agl · 278 kt
Info Flaps Position 4 5,684 ft agl · 271 kt
Info Flaps Position 5 5,452 ft agl · 234 kt
Enroute Descent 2 100.00Enroute descent started 21 miles east of ZULS Lhasa Gonggar Airport Shannan (Gonggar) (Tibet Autonomous Region, China). Descent from 17,523 ft asl to 14,270 ft asl, a decrease of 3,253 ft in 3 minutes and covering 10 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 135 kt124 kt min to max 170 kt 141 132 kt
100 % Average bank angle 11.0 °0.0 ° min to max 25.2 ° 0.0 5.2 °
100 % Average g force 1.04 g0.80 g min to max 1.23 g 0.90 1.00 g
Info Average VSI -477 fpm-5,109 fpm min to max 1,268 fpm 675 -35 fpm
Info Average altitude 16,744 ft asl14,270 ft asl min to max 17,629 ft asl 17,523 14,270 ft asl
Info Average pitch angle 2.4 °-11.5 ° min to max 8.9 ° 4.0 3.0 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Position 8 5,859 ft agl · 190 kt
Info Flaps Position 7 4,567 ft agl · 224 kt
Info Flaps Position 8 3,661 ft agl · 203 kt
Enroute Level 3 100.00Enroute level cruise started 12 miles east of ZULS Lhasa Gonggar Airport Shannan (Gonggar) (Tibet Autonomous Region, China) and lasted 3 minutes, covering 7 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 13,754 ft asl12,997 ft asl min to max 14,299 ft asl 14,268 12,997 ft asl
100 % Average speed 138 kt130 kt min to max 148 kt 132 139 kt
100 % Average bank angle 4.7 °0.0 ° min to max 24.1 ° 6.1 0.1 °
100 % Average g force 1.01 g0.91 g min to max 1.18 g 0.99 1.01 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 0.6 °-2.6 ° min to max 5.3 ° 3.0 -0.7 °
Arrival Final 4 100.00Approaching runway 27 at ZULS Lhasa Gonggar Airport from 4 nm to 3 nm. Descent from 1,275 ft agl to 972 ft agl. A decrease of 303 ft in 20 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °3.0 ° min to max 3.0 °Target 3.0 ° 3.0 3.0 °
100 % Average speed 137 kt136 kt min to max 139 kt 139 138 kt
100 % Heading variation -0.0 °-0.0 ° min to max 0.0 ° 0.0 -0.0 °
100 % Average bank angle 0.6 °0.0 ° min to max 1.2 ° 0.0 0.5 °
100 % Average g force 1.00 g0.94 g min to max 1.02 g 1.01 1.02 g
Info Average VSI -919 fpm-1,105 fpm min to max -852 fpm -1,002 -1,105 fpm
Info Average altitude 1,122 ft agl972 ft agl min to max 1,275 ft agl 1,275 972 ft agl
Info Average pitch angle -0.5 °-1.4 ° min to max -0.2 ° -0.6 -0.9 °

Events

Fail GPWS Warning Activated 993 ft agl · 172 kt
33.253.53.7548509009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500Distance to Touchdown NMApproach Height ft33.253.53.754-130-98-65-330336598130Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 3 100.00Approaching runway 27 at ZULS Lhasa Gonggar Airport from 3 nm to 2 nm. Descent from 953 ft agl to 669 ft agl. A decrease of 284 ft in 19 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °2.9 ° min to max 3.1 °Target 3.0 ° 3.0 3.1 °
100 % Average speed 139 kt138 kt min to max 140 kt 138 138 kt
100 % Heading variation -0.1 °-0.1 ° min to max -0.1 ° -0.1 -0.1 °
100 % Average bank angle 0.7 °0.0 ° min to max 1.7 ° 0.2 1.7 °
100 % Average g force 1.01 g0.92 g min to max 1.19 g 1.04 1.01 g
Info Average VSI -861 fpm-1,099 fpm min to max -474 fpm -1,099 -654 fpm
Info Average altitude 792 ft agl669 ft agl min to max 953 ft agl 953 669 ft agl
Info Average pitch angle -0.3 °-1.3 ° min to max 1.2 ° -0.8 0.5 °

Events

Fail GPWS Warning Activated still on from Arrival Final 4 993 ft agl · 172 kt
22.252.52.7535506006507007508008509009501,0001,0501,100Distance to Touchdown NMApproach Height ft22.252.52.753-110-83-55-280285583110Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 2 100.00Approaching runway 27 at ZULS Lhasa Gonggar Airport from 2 nm to 1 nm. Descent from 658 ft agl to 339 ft agl. A decrease of 319 ft in 21 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.2 °3.1 ° min to max 3.3 °Target 3.0 ° 3.1 3.1 °
100 % Average speed 133 kt128 kt min to max 138 kt 138 128 kt
100 % Heading variation -0.1 °-0.1 ° min to max -0.0 ° -0.1 -0.0 °
100 % Average bank angle 0.7 °0.0 ° min to max 1.2 ° 0.6 0.6 °
100 % Average g force 0.99 g0.91 g min to max 1.06 g 1.02 1.00 g
Info Average VSI -890 fpm-1,184 fpm min to max -647 fpm -657 -960 fpm
Info Average altitude 512 ft agl339 ft agl min to max 658 ft agl 658 339 ft agl
Info Average pitch angle -0.1 °-1.3 ° min to max 0.5 ° 0.4 0.1 °

Events

Fail GPWS Warning Activated still on from Arrival Final 4 993 ft agl · 172 kt
Info GPWS Warning Deactivated 593 ft agl · 170 kt
11.251.51.752250300350400450500550600650700Distance to Touchdown NMApproach Height ft11.251.51.752-90-68-45-23023456890Distance to Touchdown NMApproach Runway Alignment m
Arrival Final 1 100.00Approaching runway 27 at ZULS Lhasa Gonggar Airport from 1 nm to 0 nm. Descent from 325 ft agl to 65 ft agl. A decrease of 259 ft in 17 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 3.0 °2.9 ° min to max 3.3 °Target 3.0 ° 3.1 3.3 °
100 % Average speed 125 kt124 kt min to max 128 kt 128 124 kt
100 % Heading variation -0.0 °-0.1 ° min to max 0.0 ° 0.0 -0.1 °
100 % Average bank angle 0.8 °0.0 ° min to max 1.6 ° 0.1 0.2 °
100 % Average g force 1.01 g0.96 g min to max 1.06 g 0.96 1.02 g
Info Average VSI -713 fpm-1,024 fpm min to max -621 fpm -980 -621 fpm
Info Average altitude 110 ft agl65 ft agl min to max 325 ft agl 325 65 ft agl
Info Average pitch angle 1.6 °-0.2 ° min to max 2.0 ° -0.2 2.0 °
00.250.50.751050100150200250300350Distance to Touchdown NMApproach Height ft00.250.50.751-70-53-35-18018355370Distance to Touchdown NMApproach Runway Alignment m
Arrival Landing 99.27Landing on runway 27 at ZULS Lhasa Gonggar Airport, runway length 3,989 m. Good threshold height. Threshold speed was good at 124 kt.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was good at 124 kt. Target 121 kt
100 % Target 50 ft agl
100 % The flare tracked the target profile closely. The aircraft floated down the runway before touching. Touchdown was 663 m past the threshold. Threshold speed was not the cause here - hold the aim point on the approach and let the aircraft settle rather than holding it off, and the touchdown comes back to the numbers.
94 % Heading variation -15.4 °-17.4 ° min to max -13.6 ° -13.6 -17.4 °
100 % Average bank angle 0.3 °0.0 ° min to max 0.9 ° 0.2 0.9 °
100 % Average g force 1.02 g0.94 g min to max 1.07 g 1.02 0.99 g
Info Average speed 120 kt114 kt min to max 124 kt 124 114 kt
Info Average VSI -326 fpm-618 fpm min to max -125 fpm -618 -237 fpm
Info Average altitude 8 ft agl-8 ft agl min to max 40 ft agl 40 -8 ft agl
Info Average pitch angle 3.4 °2.0 ° min to max 4.1 ° 2.0 4.0 °
07515022530037545052560067575001123344657Runway Distance mLanding Height ft075150225300375450525600675750-24-20-16-12-8-404812162024Runway Distance mRunway Width m
Arrival Touchdown 91.20Touchdown point was 252 m beyond the touchdown zone. Touchdown speed at 114 kt was good. Touchdown rate was fair at -237 fpm. Runway touchdown position was slightly misaligned by 5.3 m from centreline. Local weather - Temperature 7 °C. Wind 1 kt at 159 °. Crosswind: 1 kt Headwind: 0 kt.
ScoreDescriptionStartProfileEnd
84 % Touchdown VSI was -237 fpm.
77 % Touchdown distance was 664 mTarget 457 m
100 % Speed at touchdown 114 ktTarget below 118 kt
92 % Runway alignment max 5.31 m5.28 m right -5.31 -5.23 m
100 % Average bank angle 0.3 °0.0 ° min to max 0.9 ° 0.9 0.0 °
97 % Average g force 1.18 g0.99 g min to max 1.31 g 0.99 1.10 g
100 % Landing Bounce
Info Average speed 113 kt113 kt min to max 114 kt 114 113 kt
Info Average pitch angle 3.9 °3.8 ° min to max 4.0 ° 4.0 3.8 °
Arrival Rollout 96.44Total landing distance 1,284 m, 32 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
100 % Landing distance 1,284 m32 % of runway.
92 % Runway alignment max 5.22 m0.00 m left to 5.22 m right -5.22 -3.47 m
100 % Average g force 1.01 g0.98 g min to max 1.08 g 1.08 0.99 g
Info Average speed 130 kt71 kt min to max 139 kt 139 71 kt
Info Average pitch angle 2.1 °-1.6 ° min to max 3.8 ° 3.8 -1.6 °
Info Average bank angle 0.5 °0.0 ° min to max 1.0 ° 0.1 0.2 °
Runway Exit Exiting runway, average speed 33 kt
ScoreDescriptionStartProfileEnd
Info Average speed 41 kt20 kt min to max 65 kt 65 20 kt
Info Average pitch angle -1.5 °-1.8 ° min to max -1.3 ° -1.6 -1.8 °
Info Average bank angle 0.2 °0.0 ° min to max 0.8 ° 0.1 0.3 °
Info Average g force 1.00 g0.98 g min to max 1.01 g 0.99 1.00 g

Events

Info Flaps Position 7 8 ft agl · 51 kt
Info Flaps Position 6 8 ft agl · 49 kt
Info Flaps Position 5 8 ft agl · 48 kt
Info Flaps Position 4 8 ft agl · 44 kt
Info Flaps Position 3 8 ft agl · 42 kt
Info Flaps Position 2 8 ft agl · 41 kt
Info Flaps Position 1 8 ft agl · 40 kt
Info Flaps Fully Retracted 8 ft agl · 38 kt
Info Landing Lights Switched Off 8 ft agl · 24 kt
Info Strobe Lights Switched Off 8 ft agl · 24 kt
Arrival Taxi 100.00Taxiing to the parking from the runway took 1 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 16 kt4 kt min to max 20 kt 20 4 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 1.00 g0.99 g min to max 1.00 g 1.00 0.99 g
Info Average pitch angle -1.6 °-1.8 ° min to max -1.5 ° -1.8 -1.7 °
Info Average bank angle 0.1 °0.0 ° min to max 0.2 ° 0.2 0.0 °

Takeoff

100.00 %
OkTaxi lightsSet
100.00Takeoff roll2,861 m · 71 %
100.00Liftoff speed140 kt · target 147
100.00Runway alignment1.26 m R
100.00Rate of climb610 ft/m
Takeoff weight59,691 kg
Airfield elevation56 ft asl
Wind0° · 9 kn · 2 kn cross

Approach

100.00 %
Unstable1,000 ft gatesink rate
Stable500 ft gateAll five good
100.00Threshold height40 ft
100.00Threshold speed123 kt
91.74Centreline offset5.23 m R
Flare 99.51The flare tracked the target profile closely. The aircraft floated down the runway before touching. Touchdown was 663 m past the threshold. Threshold speed was not the cause here - hold the aim point on the approach and let the aircraft settle rather than holding it off, and the touchdown comes back to the numbers.

Touchdown

91.20 %
77.45Touchdown point663 m
83.98Sink rate-237 ft/m
96.57Touchdown force1.31 G
OkBouncesNone
96.44Rollout distance575 m · 31 % used
Landing weight47,455 kg
Airfield elevation11,706 ft asl
Wind158° · 1 kn

The stabilisation gates

Two stabilised approach gates, each with six checks at 1,000 ft and 500 ft above the runway.

Six checks, two gates1,000 ft500 ft
Gear down
Landing flap
Sink rate
On glideslope
On centreline
On speed

The approach, gate by gate

Gate Height Centreline Speed
3.0 nm 993 ft 0.03° R +16 kt
2.0 nm 671 ft 0.18° R +18 kt
1.5 nm 562 ft 0.21° R +15 kt
1.0 nm 376 ft 0.08° R +7 kt
0.5 nm 195 ft 0.04° R +6 kt
THR 40 ft 4.11 m R +3 kt

Touchdown on ZULS 27

Past threshold
663 m
Off centreline
5.23 mR
Sink rate
-237 ft/m
Impact
1.31G

Side view — the last 1,524 m of the approach.

40 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 305 m This flight — 40 ft, down at 663 m

Plan view — the first 1,524 m of the 3,989 m runway, to the same scale as the side view.

5001,0001,500 THRESHOLD FULL SCORE TO 503 M 663 m past threshold CLEARED

Touched down 663 m past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 1,238 m of 3,989 m · 31 %

The rest of the report

Explore in detail

Flight narrative

The Boeing 737-600 taxied from the parking area to the departure runway in 3 minutes, covering less than 1 nm.

The aircraft departed OEDF King Fahd International Airport on runway 34L, accelerating for a take-off roll of 2,861 m which represented 71 % of the runway length. Liftoff was achieved at 140 kt. Ambient conditions were 52 °C with a wind of 9 kt from 0°, a 2 kt cross-wind component and a 9 kt head-wind component.

Climb commenced approximately 1 mile north-west of OEDF, with the airplane climbing from 1,021 ft asl to 40,852 ft asl - an increase of 39,831 ft - over 48 minutes while covering 354 nm.

The first cruise segment began 6 miles north-east of OIKQ Qeshm Dayrestan International Airport and continued for 236 minutes, during which 1,839 nm were flown at level altitude.

Descent started 23 miles north of Jiangzi, China, with the aircraft descending from 40,992 ft asl to 17,878 ft asl - a loss of 23,114 ft - in 10 minutes while traversing 79 nm.

A brief cruise phase followed, initiating 19 miles east of ZULS Lhasa Gonggar Airport and lasting 2 minutes for a distance of 7 nm.

The next descent began 21 miles east of ZULS, with altitude decreasing from 17,523 ft asl to 14,270 ft asl - a reduction of 3,253 ft - in 3 minutes and covering 10 nm.

A further cruise segment started 12 miles east of ZULS, lasting 3 minutes and adding another 7 nm to the flight path.

During final approach the aircraft aligned with runway 27 at ZULS Lhasa Gonggar Airport from the east, flying a heading of 269.0° at 4 nm and 1,275 ft agl.

Landing was executed on runway 27, which is 3,989 m long and featured a good threshold height. The threshold speed was recorded at 124 kt, slightly above target. Touchdown occurred 252 m beyond the touchdown zone at a speed of 114 kt, with a descent rate of minus 237 fpm and a lateral deviation of 5.3 m from the centreline. Local weather reported a temperature of 7 °C, wind 1 kt from 159°, a 1 kt cross-wind and no head-wind. Total landing distance measured 1,284 m, representing 32 % of the runway.

Runway rollout alignment was noted as very good, confirming a straight and controlled exit from the runway.

The aircraft taxied from the runway to the parking area in 1 minute, covering less than 1 nm.

In total the flight covered 2,305 nm, required 308 of elapsed time, and consumed 12,312 kg of fuel.

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Takeoff report
Takeoff on runway 34L at OEDF King Fahd International Airport in the Boeing 737-600
100 %
100 %
Taxi
Taxiing from the parking to the runway took 3 minutes and covered less than 1 nm.
Taxi Lights
100 %
Switched On
Ground Speed kt
100 %
30 15 0
Turn Speed
100 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
2 1 0
Pitch °
Info
0 -0.5 -1
100 %
Takeoff Roll
Departure roll runway 34L at OEDF King Fahd International Airport. Takeoff distance 2,861 m 71 % of runway. Liftoff speed was 140 kt. Local weather - Temperature 52 °C. Wind 9 kt at 0 °. Crosswind: 2 kt Headwind: 9 kt.
Takeoff Distance
100 %
Roll distance of 2,861 m using 71.43 % of runway
Liftoff Speed
100 %
Liftoff speed was 140 kn - Target 147 kn
Alignment
100 %
1.39 m left to 1.26 m right
Bounce
100 %
No Bounce Detected
Strobe Lights
100 %
Switched On
Landing Lights
100 %
Switched On
G
100 %
1.5 1 0.5
IAS kt
Info
150 95 40
Bank °
Info
1 0.5 0
Pitch °
Info
9 4 -1
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,5003,750-25-20-15-10-50510152025 Runway Distance m Runway Alignment to End of Runway m
100 %
Climb 1
Departure climb to 50 ft agl from runway 34L OEDF King Fahd International Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
160 150 140
Bank °
100 %
1 0.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
12 11 9
Climb Rate fpm
Info
1,100 500 -100
100 %
Climb 2
Departure climb to 400 ft agl from 34L OEDF King Fahd International Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
180 165 150
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Pitch °
Info
15 13 11
Climb Rate fpm
Info
2,800 1,850 900
100 %
Climb 3
Departure climb to 1,000 ft agl from 34L OEDF King Fahd International Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
200 185 170
Bank °
100 %
5 2.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
18 14 10
Climb Rate fpm
Info
4,800 3,500 2,200
02505007501,0001,2501,5001,7502,0002,2502,5002,7503,0003,2503,5003,750072144216288360 Runway Distance m Height at End of Runway ft
00.250100200300400500600700800 Climb Distance NM Climb Profile to 1,000 ft
00.25-60-48-36-24-1201224364860 Climb Distance NM Runway Alignment (in m) to 1,000 ft
Landing report
Landing on runway 27 at ZULS Lhasa Gonggar Airport in the Boeing 737-600
Landing Score 96.73 %
Landing Summary

The final approach to runway 27 at ZULS Lhasa Gonggar Airport was flown from the east on a heading of 269.0° at 4 nm and 1,275 ft agl; the approach was assessed as unstable at the 1,000 ft gate because the sink rate was too high.

At the threshold the height was good and the threshold speed was slightly above target at 124 kt, indicating a modest excess of speed before flare.

Touchdown occurred 252 m beyond the touchdown zone with a speed of 114 kt, a little fast, and a vertical rate of -237 fpm that was fair; the touchdown point was misaligned by 5.3 m from the centreline.

The rollout covered 1,284 m, 32 % of the 3,989 m runway, and runway-rollout alignment was very good.

To refine the already strong performance, reduce the sink rate to achieve a stabilized approach within limits and trim the approach speed to the target value, which will help place the touchdown nearer the aim point and improve alignment.

100 %
Final 4
Approaching runway 27 at ZULS Lhasa Gonggar Airport from 4 nm to 3 nm. Descent from 1,275 ft agl to 972 ft agl. A decrease of 303 ft in 20 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
139 134 130
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-853 -1,026 -1,200
33.253.53.7548509009501,0001,0501,1001,1501,2001,2501,3001,3501,4001,4501,500 Distance to Touchdown NM Approach Height ft
33.253.53.754-130-98-65-330336598130 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 3
Approaching runway 27 at ZULS Lhasa Gonggar Airport from 3 nm to 2 nm. Descent from 953 ft agl to 669 ft agl. A decrease of 284 ft in 19 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
140 135 130
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-474 -787 -1,100
22.252.52.7535506006507007508008509009501,0001,0501,100 Distance to Touchdown NM Approach Height ft
22.252.52.753-110-83-55-280285583110 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 2
Approaching runway 27 at ZULS Lhasa Gonggar Airport from 2 nm to 1 nm. Descent from 658 ft agl to 339 ft agl. A decrease of 319 ft in 21 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
138 129 120
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-647 -924 -1,200
11.251.51.752250300350400450500550600650700 Distance to Touchdown NM Approach Height ft
11.251.51.752-90-68-45-23023456890 Distance to Touchdown NM Approach Runway Alignment m
100 %
Final 1
Approaching runway 27 at ZULS Lhasa Gonggar Airport from 1 nm to 0 nm. Descent from 325 ft agl to 65 ft agl. A decrease of 259 ft in 17 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
100 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
128 124 120
Alignment
100 %
0.5 0 -0.5
Bank °
100 %
2 1 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
-621 -860 -1,100
00.250.50.751050100150200250300350 Distance to Touchdown NM Approach Height ft
00.250.50.751-70-53-35-18018355370 Distance to Touchdown NM Approach Runway Alignment m
99.27 %
Landing
Landing on runway 27 at ZULS Lhasa Gonggar Airport, runway length 3,989 m. Good threshold height. Threshold speed was good at 124 kt.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
100 %
Threshold speed was good at 124 kt. Target 121 kt
Flare
99.51 %
The flare tracked the target profile closely. The aircraft floated down the runway before touching. Touchdown was 663 m past the threshold. Threshold speed was not the cause here - hold the aim point on the approach and let the aircraft settle rather than holding it off, and the touchdown comes back to the numbers.
Centreline ft
93.95 %
100 0 -100
Bank °
100 %
1 0.5 0
G
100 %
1.5 1 0.5
IAS kt
Info
124 117 110
Pitch °
Info
5 3.5 2
Descent Rate fpm
Info
-125 -413 -700
07515022530037545052560067575001123344657 Runway Distance m Landing Height ft
075150225300375450525600675750-24-20-16-12-8-404812162024 Runway Distance m Runway Width m
91.2 %
Touchdown
Touchdown point was 252 m beyond the touchdown zone. Touchdown speed at 114 kt was good. Touchdown rate was fair at -237 fpm. Runway touchdown position was slightly misaligned by 5.3 m from centreline. Local weather - Temperature 7 °C. Wind 1 kt at 159 °. Crosswind: 1 kt Headwind: 0 kt.
Touchdown
83.98 %
Touchdown rate was fair at -238 ft/m.
Speed
100 %
Touchdown speed at 114 kt was good. Target below 118 kn
Distance
77.33 %
Touchdown point was 252 m beyond the touchdown zone.
Alignment
91.74 %
Runway touchdown position was slightly misaligned by 5.3 m from centreline.
Bank
100 %
Bank angle 0.3 °
G
96.57 %
G 1.18 g
Bounce
100 %
No Bounce Detected
96.44 %
Rollout
Total landing distance 1,284 m, 32 % of runway. Runway rollout alignment was very good.
Distance
100 %
Landing distance 1,284 m using 32.18 % of runway
Alignment
92.09 %
Runway rollout alignment was very good.
G
100 %
1.25 1 0.75
IAS kt
Info
113 81 50
Bank °
Info
1 0.5 0
Pitch °
Info
4 1.5 -1
02004006008001,0001,200 Runway Distance m Runway Width m
100 %
Taxi
Taxiing to the parking from the runway took 1 minutes and covered less than 1 nm.
Landing Lights
100 %
Switched Off
Taxi Lights
100 %
Switched On
Ground Speed kt
100 %
30 15 0
Turn Speed
100 %
30 15 0
G
100 %
1.25 1 0.75
Bank °
Info
1 0.5 0
Pitch °
Info
0 -0.5 -1
Metrics
Metrics

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