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VNLK
Lukla, Nepal
Runway 24
Elevation9,337 ft asl
Weight10,804 lbs
Fuel904 lbs
Wind108° · 2 kn · 2 kn cross

Flight Score

93.64 %
VNLK
Lukla, Nepal
Runway 06
Elevation9,337 ft asl
Weight10,804 lbs
Fuel904 lbs
Wind123° · 1 kn · 1 kn cross
4 Aug 2026 0:02 2 nm Antonov An-2
Departure Score
97.25 %
Enroute Score
94.56 %
Arrival Score
89.10 %

What went well

Touched down at -95 ft/m — a soft arrival
Flare on profile — 93 %
Rollout controlled — 22 % of the runway used

What held you back

Enroute Climb — bounce on liftoff; g force 0.51 to 1.82 g at 67 %, −1.81 points
Arrival Touchdown — bank angle up to 14.8 ° at 0 %, g force 0.68 to 2.94 g at 3 %, −1.53 points
Arrival Rollout — Runway alignment max 35.4 ft at 72 %, −1.06 points

Top opportunity

Fixing the bounce

Arrival Touchdown

Fast at the threshold, normal flare, and the runway seems to refuse the aircraft. The instinctive fix - pushing it on - causes the next one. A fast aircraft forced onto the runway touches nosewheel-first or nearly so. The tell is a touchdown that feels soft followed by a bounce that steepens. Pilots fix the bounce recovery; the cause was the 10 knots at the threshold.

Read more in VRef Explained

Start to finish · 11 stages, 9 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 less than 1 minute. and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 0 kt0 kt min to max 0 kt 0 0 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g
Info Average pitch angle 11.0 °11.0 ° min to max 11.0 ° 11.0 11.0 °
Info Average bank angle 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °
Departure Runway Entry Entering runway 24 at VNLK Lukla Airport, Average speed was 24 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 31 kt7 kt min to max 40 kt 7 40 kt
Info Average pitch angle 5.3 °2.6 ° min to max 10.9 ° 10.6 2.6 °
Info Average bank angle 1.2 °0.0 ° min to max 1.9 ° 0.1 1.9 °
Info Average g force 0.92 g0.88 g min to max 0.96 g 0.96 0.92 g
Departure Roll 93.32Departure roll runway 24 at VNLK Lukla Airport. Takeoff distance 1,017 ft 57 % of runway. Liftoff speed was 61 kt. Local weather - Temperature 55 °F. Wind 2 kt at 107 °. Crosswind: 2 kt Tailwind: 1 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 1,017 ft57 % of runway
100 % Liftoff speed was 61 ktTarget 60 kt
92 % Runway alignment max 17.6 ft17.6 ft left to 0.0 ft left 5.9 4.3 ft
100 % Average g force 0.96 g0.92 g min to max 1.01 g 0.92 0.99 g
100 % Takeoff Bounce
Info Average pitch angle -1.3 °-4.2 ° min to max 2.6 ° 2.6 -4.2 °
Info Average bank angle 0.7 °0.0 ° min to max 1.9 ° 1.9 0.3 °

Events

Fail Landing Lights
Departure Climb 1 95.91Departure climb to 50 ft agl from runway 24 VNLK Lukla Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.1 °-0.2 ° min to max 0.0 ° -0.2 -0.0 °
100 % Average speed 72 kt62 kt min to max 80 kt 62 80 kt
84 % Average bank angle 2.2 °0.0 ° min to max 10.7 ° 0.4 10.7 °
100 % Average g force 1.03 g0.95 g min to max 1.13 g 0.99 0.99 g
Info Average VSI -870 fpm-892 fpm min to max -856 fpm -892 -856 fpm
Info Average altitude -55 ft agl-101 ft agl min to max -1 ft agl -1 -101 ft agl
Info Average pitch angle -2.9 °-5.0 ° min to max -1.2 ° -4.2 -1.5 °

Events

Info Flaps Fully Retracted 9 ft agl · 85 kt
Departure Climb 2 99.77Departure climb to 400 ft agl from 24 VNLK Lukla Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.3 °-2.6 ° min to max -0.0 ° -0.0 -2.6 °
100 % Average speed 81 kt80 kt min to max 83 kt 80 83 kt
100 % Average bank angle 15.3 °11.1 ° min to max 23.8 ° 11.1 23.8 °
98 % Average g force 1.03 g0.99 g min to max 1.29 g 0.99 1.19 g
Info Average VSI -836 fpm-856 fpm min to max -538 fpm -856 -538 fpm
Info Average altitude -113 ft agl-147 ft agl min to max -102 ft agl -102 -147 ft agl
Info Average pitch angle -0.9 °-1.5 ° min to max 5.3 ° -1.5 5.3 °
Enroute Climb 94.56Enroute climb started overhead VNLK Lukla Airport Lukla (Province 1, Nepal). Climbing from 9,025 ft asl to 9,068 ft asl, an increase of 44 ft in 1 minutes and covering 2 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 73 kt65 kt min to max 83 kt 82 67 kt
95 % Average bank angle 20.6 °0.6 ° min to max 42.7 ° 25.8 2.5 °
67 % Average g force 1.08 g0.51 g min to max 1.82 g 1.21 0.80 g
Info Average VSI 1 fpm-562 fpm min to max 666 fpm -388 -86 fpm
Info Average altitude 9,093 ft asl9,025 ft asl min to max 9,155 ft asl 9,025 9,068 ft asl
Info Average pitch angle 5.0 °-6.9 ° min to max 11.8 ° 6.4 -2.2 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Bounce during liftoff 546 ft agl · 97 kt
Info Flaps Position 1 646 ft agl · 81 kt
Info Flaps Position 2 663 ft agl · 79 kt
Arrival Final 1 95.97Approaching runway 06 at VNLK Lukla Airport from 1 nm to 0 nm. Descent from 0 ft agl to -295 ft agl. A decrease of 17 ft in 14 seconds.
ScoreDescriptionStartProfileEnd
100 % Approach angle 0.5 °0.2 ° min to max 0.7 °Target 3.0 ° 0.6 0.6 °
100 % Average speed 50 kt44 kt min to max 67 kt 67 44 kt
96 % Heading variation -0.2 °-0.8 ° min to max 0.1 ° -0.6 0.1 °
84 % Average bank angle 7.3 °0.1 ° min to max 8.9 ° 3.7 8.9 °
100 % Average g force 1.01 g0.91 g min to max 1.17 g 1.13 1.03 g
Info Average VSI -71 fpm-252 fpm min to max 40 fpm -212 -70 fpm
Info Average altitude -293 ft agl-300 ft agl min to max -277 ft agl -277 -295 ft agl
Info Average pitch angle 9.4 °1.5 ° min to max 13.0 ° 1.5 13.0 °

Events

Fail Stall Warning Activated 59 ft agl · 52 kt
Info Flaps Position 5 411 ft agl · 77 kt
Info Flaps Position 7 399 ft agl · 75 kt
Info Flaps Position 8 386 ft agl · 74 kt
00.250.50.751050100150Distance to Touchdown NMApproach Height ft00.250.50.751-70-53-35-18018355370Distance to Touchdown NMApproach Runway Alignment ft
Arrival Landing 91.47Landing on runway 06 at VNLK Lukla Airport, runway length 1,776 ft. Good threshold height. Threshold speed at 44 kt was well below target, take care not to stall.
ScoreDescriptionStartProfileEnd
80 % Threshold speed at 44 kt was well below target, take care not to stall. Target 60 kt
100 % Target 29 ft agl
93 % The flare held the target profile well. The flare began at 1 ft agl above the runway, lower than this type wants. Touchdown was 52 ft short of the threshold. Begin raising the nose earlier - a late flare leaves no time to arrest the sink.
100 % Heading variation 0.3 °-1.9 ° min to max 1.9 ° 1.9 -1.9 °
82 % Average bank angle 7.4 °5.4 ° min to max 8.9 ° 8.9 5.4 °
100 % Average g force 1.00 g0.98 g min to max 1.03 g 1.02 1.03 g
Info Average speed 43 kt42 kt min to max 44 kt 44 42 kt
Info Average VSI -84 fpm-95 fpm min to max -72 fpm -72 -95 fpm
Info Average altitude -20 ft agl-21 ft agl min to max -19 ft agl -19 -21 ft agl
Info Average pitch angle 13.5 °12.9 ° min to max 14.4 ° 13.0 14.4 °
0489614319123907.3715222937Runway Distance ftLanding Height ft04896143191239-40-32-24-16-80816243240Runway Distance ftRunway Width ft
Arrival Touchdown 81.66Touchdown distance was good at 80 ft. Touchdown speed at 42 kt was good. Touchdown rate was excellent at -95 fpm. Runway touchdown position was misaligned by 34 ft from centreline. Local weather - Temperature 55 °F. Wind 2 kt at 107 °. Crosswind: 2 kt Headwind: 1 kt.
ScoreDescriptionStartProfileEnd
100 % Touchdown VSI was -95 fpm.
100 % Touchdown distance was 80 ftTarget 1,092 ft
100 % Speed at touchdown 42 ktTarget below 48 kt
73 % Runway alignment max 34.4 ft20.9 ft right -1.9 -34.4 ft
0 % Average bank angle 8.6 °0.1 ° min to max 14.8 ° 5.4 11.9 °
3 % Average g force 1.07 g0.68 g min to max 2.94 g 1.03 1.25 g
80 % Landing Bounce
Info Average speed 36 kt33 kt min to max 42 kt 42 34 kt
Info Average pitch angle 21.6 °14.4 ° min to max 25.2 ° 14.4 19.8 °

Events

Info Stall Warning Deactivated 8 ft agl · 47 kt
Info Stall Warning Activated 15 ft agl · 42 kt
Info Stall Warning Deactivated 7 ft agl · 40 kt
Arrival Rollout 87.30Total landing distance 663 ft, 37 % of runway. Runway rollout alignment was slightly misaligned by 35 ft from centreline.
ScoreDescriptionStartProfileEnd
100 % Landing distance 663 ft37 % of runway.
72 % Runway alignment max 35.4 ft0.0 ft left to 35.4 ft right -34.6 -18.9 ft
100 % Average g force 0.98 g0.94 g min to max 1.17 g 1.17 0.98 g
Info Average speed 36 kt30 kt min to max 39 kt 39 30 kt
Info Average pitch angle 18.2 °17.6 ° min to max 20.0 ° 19.9 18.0 °
Info Average bank angle 2.8 °0.0 ° min to max 11.4 ° 11.4 0.7 °
Runway Exit Exiting runway, average speed 15 kt
ScoreDescriptionStartProfileEnd
Info Average speed 16 kt2 kt min to max 30 kt 30 2 kt
Info Average pitch angle 18.2 °18.0 ° min to max 18.4 ° 18.0 18.3 °
Info Average bank angle 0.2 °0.0 ° min to max 0.6 ° 0.6 0.0 °
Info Average g force 0.98 g0.97 g min to max 0.99 g 0.98 0.97 g

Events

Fail Bounce during touchdown 6 ft agl · 4 kt
Info Parking Brake On 6 ft agl · 2 kt

Takeoff

OkTaxi lightsSet
100.00Takeoff roll1,017 ft · 57 %
100.00Liftoff speed61 kt · target 60, 1 fast
91.61Runway alignment17.6 ft L
OkBounce on takeoffNone

Approach

Not assessed1,000 ft gateNot recorded
Not assessed500 ft gateNot recorded
100.00Threshold height-18 ft
80.00Threshold speed43 kt · target 60, 17 slow
100.00Centreline offset1.9 ft L
Flare 93.00The flare held the target profile well. The flare began at 1 ft agl above the runway, lower than this type wants. Touchdown was 52 ft short of the threshold. Begin raising the nose earlier - a late flare leaves no time to arrest the sink.

Touchdown

90.40Touchdown point-52 ft
72.84Centreline at touchdown34.4 ft R
100.00Touchdown speed42 kt · target 48 or less
100.00Sink rate-95 ft/m
3.43Touchdown force2.94 G
80.00Bounces1
87.30Rollout distance302 ft · 22 % used

The stabilisation gates

One stabilised approach gate: five checks where the approach path is 500 ft above the runway. The 1,000 ft gate was not assessed, because the approach did not join final that far out.

Five checks, one gate500 ft
Gear down
Sink rate
On glideslope
On centreline
On speed

The approach, gate by gate

Gate Height Centreline Speed
THR 2 ft 9.0 ft R −20 kt

Touchdown on VNLK 06

Past threshold
-52 ft
Off centreline
34.4 ftR
Sink rate
-95 ft/m
Impact
2.94G

Side view — the last 1,776 ft of the approach.

-18 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 1,000 ft This flight — -18 ft, down at -52 ft

Plan view — the full 1,776 ft runway, to the same scale as the side view.

1,000 THRESHOLD CROSS 1 kn FULL SCORE TO 1,201 FT 52 ft SHORT of the threshold CLEARED

Touched down 52 ft short of the threshold. The 2.94 G arrival is the firm side of smooth.

Runway used 302 ft of 1,776 ft · 17 %

The rest of the report

Explore in detail

Flight narrative

The Antonov An-2 taxied from the parking area to the runway in less than 1 minute, covering less than 1 nm before line-up for departure.

The aircraft commenced its departure roll on runway 24 at VNLK Lukla Airport, accelerating through a takeoff distance of 1,017 ft, which represented 57 % of the available runway. Liftoff was achieved at 61 kt. Ambient conditions were a temperature of 55 °F with a wind of 2 kt from 107°, including a 2 kt crosswind component and a 1 kt tailwind.

Climb began immediately after liftoff, with the An-2 climbing from 9,025 ft asl to 9,068 ft asl, an altitude gain of 44 ft achieved in 1 minute while covering 2 nm.

The final approach was executed to runway 06 at VNLK Lukla Airport from the south-west, maintaining a heading of 58.0° at 0 nm and an altitude of minus 277 ft agl.

Touchdown occurred before the runway threshold at a speed of 42 kt and a descent rate of minus 95 fpm. The touchdown point was offset by 34 ft from the centreline. Weather at the time mirrored the departure conditions, with a temperature of 55 °F, a 2 kt crosswind, and a 1 kt headwind.

Rollout continued for a total landing distance of 302 ft, representing 17 % of the runway length, and the aircraft remained slightly off centreline by 35 ft during the deceleration phase.

In total, the flight covered 2 nm, lasted 2 minutes, and consumed 0 lbs of fuel.

Flight map
Replay this flight in 3D The full flight path over the terrain with every stage, event and score along the route.
Takeoff report
Takeoff on runway 24 at VNLK Lukla Airport in the Antonov An-2
97.25 %
100 %
Taxi
Taxiing from the parking to the runway took less than 1 minute. 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
1 0.5 0
Pitch °
Info
12 12 11
93.32 %
Takeoff Roll
Departure roll runway 24 at VNLK Lukla Airport. Takeoff distance 1,017 ft 57 % of runway. Liftoff speed was 61 kt. Local weather - Temperature 55 °F. Wind 2 kt at 107 °. Crosswind: 2 kt Tailwind: 1 kt.
Takeoff Distance
100 %
Roll distance of 1,017 ft using 57.04 % of runway
Liftoff Speed
100 %
Liftoff speed was 61 kn - Target 60 kn
Alignment
91.61 %
17.6 ft left to 0.0 ft left
Bounce
100 %
No Bounce Detected
Strobe Lights
100 %
Switched On
Landing Lights
0 %
Switched On
G
100 %
1.5 1 0.5
IAS kt
Info
70 50 30
Bank °
Info
2 1 0
Pitch °
Info
3 -0.5 -4
01,000-40-30-20-10010203040 Runway Distance ft Runway Alignment to End of Runway ft
95.91 %
Climb 1
Departure climb to 50 ft agl from runway 24 VNLK Lukla Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
80 70 60
Bank °
83.63 %
11 5.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
0 -2.5 -5
Climb Rate fpm
Info
-600 -800 -1,000
99.77 %
Climb 2
Departure climb to 400 ft agl from 24 VNLK Lukla Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
90 80 70
Bank °
100 %
24 18 11
G
97.71 %
1.5 1 0.5
Pitch °
Info
6 2.5 -1
Climb Rate fpm
Info
-400 -650 -900
01,00001734516885 Runway Distance ft Height at End of Runway ft
00.040.090.130.170.2100.20.40.60.81 Climb Distance NM Climb Profile to 1,000 ft
00.040.090.130.170.21-200-160-120-80-4004080120160200 Climb Distance NM Runway Alignment in (ft) to 1,000 ft
Landing report
Landing on runway 06 at VNLK Lukla Airport in the Antonov An-2
Landing Score 89.1 %
Landing Summary

The final approach to runway 06 at VNLK Lukla Airport was flown from the south-west on a heading of 58.0 ° at 0 nm and -277 ft AGL. Local weather was 55 °F with wind 2 kt from 107 °, providing a 2 kt crosswind component and a 1 kt headwind component.

During the threshold and flare segment the aircraft began its flare before reaching the runway threshold, resulting in ground contact prior to the threshold line.

Touchdown occurred at a speed of 42 kt, which the data describes as good, and the vertical speed was -95 fpm, rated as excellent. The touchdown point was misaligned by 34 ft from the centreline, and the total landing distance measured 302 ft, representing 17 % of the runway length.

Rollout alignment was slightly misaligned, with the aircraft deviating 35 ft from the centreline while decelerating to a stop.

To refine the performance, aim to achieve touchdown beyond the runway threshold to utilize the full available landing distance, and adjust the approach path to reduce lateral deviation and keep the aircraft within a tighter centreline corridor.

95.97 %
Final 1
Approaching runway 06 at VNLK Lukla Airport from 1 nm to 0 nm. Descent from 0 ft agl to -295 ft agl. A decrease of 17 ft in 14 seconds.
Glideslope
100 %
Excellent glideslope alignment
Heading
95.52 %
Excellent heading alignment
Glideslope °
100 %
4 3 2
IAS kt
100 %
67 54 40
Alignment
95.52 %
0.5 0 -0.5
Bank °
84.33 %
9 4.5 0
G
100 %
1.5 1 0.5
Descent Rate fpm
Info
40 -130 -300
00.250.50.751050100150 Distance to Touchdown NM Approach Height ft
00.250.50.751-70-53-35-18018355370 Distance to Touchdown NM Approach Runway Alignment ft
91.47 %
Landing
Landing on runway 06 at VNLK Lukla Airport, runway length 1,776 ft. Good threshold height. Threshold speed at 44 kt was well below target, take care not to stall.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
80 %
Threshold speed at 44 kt was well below target, take care not to stall. Target 60 kt
Flare
93 %
The flare held the target profile well. The flare began at 1 ft agl above the runway, lower than this type wants. Touchdown was 52 ft short of the threshold. Begin raising the nose earlier - a late flare leaves no time to arrest the sink.
Centreline ft
100 %
100 0 -100
Bank °
82.2 %
9 7 5
G
100 %
1.5 1 0.5
IAS kt
Info
44 42 40
Pitch °
Info
15 14 12
Descent Rate fpm
Info
-72 -86 -100
0489614319123907.3715222937 Runway Distance ft Landing Height ft
04896143191239-40-32-24-16-80816243240 Runway Distance ft Runway Width ft
81.66 %
Touchdown
Touchdown distance was good at 80 ft. Touchdown speed at 42 kt was good. Touchdown rate was excellent at -95 fpm. Runway touchdown position was misaligned by 34 ft from centreline. Local weather - Temperature 55 °F. Wind 2 kt at 107 °. Crosswind: 2 kt Headwind: 1 kt.
Touchdown
100 %
Touchdown rate was excellent at -96 ft/m.
Speed
100 %
Touchdown speed at 42 kt was good. Target below 48 kn
Distance
100 %
Touchdown distance was good at 80 ft.
Alignment
72.84 %
Runway touchdown position was misaligned by 34 ft from centreline.
Bank
0 %
Bank angle 8.6 °
G
3.43 %
G 1.07 g
Bounce
80 %
Bounce Detected
87.3 %
Rollout
Total landing distance 663 ft, 37 % of runway. Runway rollout alignment was slightly misaligned by 35 ft from centreline.
Distance
100 %
Landing distance 663 ft using 37.33 % of runway
Alignment
71.78 %
Runway rollout alignment was slightly misaligned by 35 ft from centreline.
G
100 %
1.25 1 0.75
IAS kt
Info
34 27 20
Bank °
Info
12 6 0
Pitch °
Info
21 19 17
0500 Runway Distance ft Runway Width ft
Metrics
Metrics

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