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KPNE
Philadelphia, United States
Runway 33
Elevation118 ft asl
Weight1,844 lbs
Fuel115 lbs
Wind270° · 2 kn · 1 kn cross

Flight Score

92.10 %
KJFK
New York, United States
Runway 31L
Elevation10 ft asl
Weight1,791 lbs
Fuel61 lbs
Wind270° · 2 kn · 1 kn cross
18 Sep 2026 1:01 70 nm Curtiss JN-4D 54 lbs
Departure Score
89.93 %
Enroute Score
99.31 %
Arrival Score
87.07 %

What went well

Touchdown 61 ft in — inside the full-score zone
Threshold crossed at 3 ft and 41 kt — both inside band
Straight touchdown — 7.6 ft off the centreline, no bounce

What held you back

Arrival Approach — 300 ft gate 71 %, −2.38 points
Departure Roll — Liftoff speed was 48 kt at 44 %, Runway alignment max 30.7 ft left at 77 %, −1.76 points
Arrival Landing — Flare profile at 53 %, −0.99 points

Next time

Departure

Ease the nose up sooner to lift off at 35 kt instead of letting speed build on the ground.

What happened: The aircraft lifted off at 48 kt, 13 kt above the target liftoff speed.

Watch for: Airspeed indicator: 35 kt at liftoff

See Departure Roll

Arrival

Raise the nose more slowly in the flare and stop as soon as the sink is checked; if it balloons, hold the attitude.

What happened: The flare ballooned, with 161 fpm of sink returning after the arrest; a balloon like this usually carries through to a firm touchdown, as it did here at 285 fpm.

Watch for: The runway ahead: the aircraft still sinking gently towards it through the flare, never rising.

See Arrival LandingArrival Touchdown

Preparing for a stable approach will give you time to decide on whether to attempt the landing or going around. Too much altitude with a high sink rate will result in carrying too much speed onto the runway. Configuring flaps and the gear late also won't help the speed decay.

Read more in The Stabilised Approach

Start to finish · 15 stages, 13 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 Runway Entry Entering runway 33 at KPNE Northeast Philadelphia Airport, Average speed was 4 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 3 kt0 kt min to max 22 kt 0 22 kt
Info Average pitch angle 9.3 °9.3 ° min to max 9.7 ° 9.3 9.7 °
Info Average bank angle 0.6 °0.3 ° min to max 1.1 ° 0.6 0.8 °
Info Average g force 0.98 g0.96 g min to max 0.99 g 0.98 0.96 g
Departure Roll 84.15Departure roll runway 33 at KPNE Northeast Philadelphia Airport. Takeoff distance 1,111 ft 22 % of runway. Liftoff speed was 48 kt. Local weather - Temperature 60 °F. Wind 2 kt at 270 °. Crosswind: 1 kt Headwind: 1 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 1,111 ft22 % of runway
44 % Liftoff speed was 48 ktTarget 35 kt
77 % Runway alignment max 30.7 ft left30.7 ft left to 0.0 ft left 4.0 30.7 ft
100 % Average g force 0.97 g0.95 g min to max 1.06 g 0.96 1.06 g
100 % Takeoff Bounce
Info Average pitch angle 10.6 °9.8 ° min to max 13.9 ° 9.8 13.9 °
Info Average bank angle 1.6 °0.0 ° min to max 5.0 ° 0.6 5.0 °
Departure Climb 1 94.33Departure climb to 50 ft agl from runway 33 KPNE Northeast Philadelphia Airport.
ScoreDescriptionStartProfileEnd
88 % Heading variation -0.9 °-2.1 ° min to max 0.1 ° -1.6 0.1 °
100 % Average speed 49 kt46 kt min to max 52 kt 48 52 kt
89 % Average bank angle 3.2 °0.0 ° min to max 8.8 ° 5.0 2.3 °
100 % Average g force 0.98 g0.90 g min to max 1.12 g 1.07 1.02 g
Info Average VSI 185 fpm51 fpm min to max 290 fpm 289 266 fpm
Info Average altitude 27 ft agl0 ft agl min to max 51 ft agl 0 51 ft agl
Info Average pitch angle 11.6 °8.9 ° min to max 15.9 ° 14.4 11.3 °
Departure Climb 2 91.29Departure climb to 400 ft agl from 33 KPNE Northeast Philadelphia Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation 0.1 °-0.2 ° min to max 1.6 ° 0.1 1.6 °
100 % Average speed 51 kt43 kt min to max 54 kt 52 44 kt
65 % Average bank angle 3.5 °0.0 ° min to max 17.2 ° 2.4 17.1 °
100 % Average g force 0.98 g0.92 g min to max 1.06 g 1.01 0.93 g
Info Average VSI 316 fpm51 fpm min to max 770 fpm 269 297 fpm
Info Average altitude 90 ft agl52 ft agl min to max 262 ft agl 52 262 ft agl
Info Average pitch angle 11.6 °8.7 ° min to max 18.8 ° 11.4 15.5 °
Enroute Level 100.00Enroute level cruise started overhead KPNE Northeast Philadelphia Airport Philadelphia (Pennsylvania, United States) and lasted 1 minutes, covering 1 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±519 ft of 540 ft asl380 ft asl min to max 723 ft asl 380 723 ft asl
100 % Average speed 49 kt44 kt min to max 56 kt 45 54 kt
100 % Average bank angle 6.0 °0.1 ° min to max 21.1 ° 17.3 0.1 °
100 % Average g force 0.99 g0.92 g min to max 1.07 g 0.96 0.98 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 11.9 °8.4 ° min to max 19.4 ° 13.7 12.0 °
Enroute Climb 99.97Enroute climb started 1 mile north east of KPNE Northeast Philadelphia Airport Philadelphia (Pennsylvania, United States). Climbing from 731 ft asl to 1,504 ft asl, an increase of 773 ft in 14 minutes and covering 16 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 64 kt52 kt min to max 89 kt 52 64 kt
100 % Average bank angle 2.6 °0.0 ° min to max 15.8 ° 3.0 0.5 °
99.7 % Average g force 1.00 g0.52 g min to max 1.75 g 0.96 0.98 g
Info Average VSI 58 fpm-2,606 fpm min to max 735 fpm 488 254 fpm
Info Average altitude 1,170 ft asl731 ft asl min to max 1,504 ft asl 731 1,504 ft asl
Info Average pitch angle 4.9 °-17.9 ° min to max 12.8 ° 12.0 5.6 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Overspeed Warning Activated 941 ft agl · 70 kt
Fail Overspeed Warning Activated 992 ft agl · 69 kt
Fail Overspeed Warning Activated 987 ft agl · 69 kt
Fail Overspeed Warning Activated 1,100 ft agl · 69 kt
Fail Overspeed Warning Activated 1,178 ft agl · 69 kt
Fail Overspeed Warning Activated 1,233 ft agl · 69 kt
Fail Overspeed Warning Activated 1,296 ft agl · 69 kt
Fail Overspeed Warning Activated 869 ft agl · 69 kt
Fail Overspeed Warning Activated 1,046 ft agl · 70 kt
Fail Overspeed Warning Activated 1,053 ft agl · 70 kt
Fail Overspeed Warning Activated 1,383 ft agl · 69 kt
Info Overspeed Warning Deactivated 960 ft agl · 69 kt
Info Overspeed Warning Deactivated 977 ft agl · 69 kt
Info Overspeed Warning Deactivated 998 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,121 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,181 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,239 ft agl · 69 kt
Info Overspeed Warning Deactivated 847 ft agl · 68 kt
Info Overspeed Warning Deactivated 876 ft agl · 69 kt
Info Overspeed Warning Deactivated 921 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,052 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,396 ft agl · 69 kt
Enroute Level 2 98.36Enroute level cruise started overhead Mercerville (New Jersey, United States) and lasted 8 minutes, covering 9 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±575 ft of 1,812 ft asl1,508 ft asl min to max 2,164 ft asl 1,508 2,120 ft asl
92 % Average speed 63 kt44 kt min to max 70 kt 64 69 kt
100 % Average bank angle 3.4 °0.0 ° min to max 19.2 ° 1.2 4.4 °
99 % Average g force 1.00 g0.02 g min to max 2.19 g 0.99 1.05 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 5.0 °-7.0 ° min to max 33.1 ° 5.5 -2.7 °

Events

Fail Overspeed Warning Activated 1,547 ft agl · 69 kt
Fail Overspeed Warning Activated 1,782 ft agl · 69 kt
Fail Overspeed Warning Activated 1,958 ft agl · 69 kt
Fail Overspeed Warning Activated 1,968 ft agl · 69 kt
Fail Overspeed Warning Activated 2,001 ft agl · 69 kt
Fail Overspeed Warning Activated 2,013 ft agl · 69 kt
Fail Overspeed Warning Activated 2,051 ft agl · 69 kt
Fail Overspeed Warning Activated 2,037 ft agl · 70 kt
Info Overspeed Warning Activated 1,516 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,517 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,559 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,787 ft agl · 67 kt
Info Stall Warning Activated 1,754 ft agl · 59 kt
Info Stall Warning Deactivated 1,786 ft agl · 56 kt
Info Stall Warning Activated 1,741 ft agl · 64 kt
Info Stall Warning Deactivated 1,781 ft agl · 58 kt
Info Stall Warning Activated 1,831 ft agl · 50 kt
Info Stall Warning Deactivated 1,847 ft agl · 48 kt
Info Overspeed Warning Deactivated 1,960 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,980 ft agl · 68 kt
Info Overspeed Warning Activated 1,989 ft agl · 69 kt
Info Overspeed Warning Deactivated 2,015 ft agl · 68 kt
Info Overspeed Warning Deactivated 2,008 ft agl · 69 kt
Info Overspeed Warning Deactivated 2,039 ft agl · 68 kt
Info Overspeed Warning Deactivated 2,091 ft agl · 69 kt
Enroute Descent 100.00Enroute descent started overhead Princeton Meadows (New Jersey, United States). Descent from 2,107 ft asl to 1,585 ft asl, a decrease of 522 ft in 2 minutes and covering 2 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 74 kt67 kt min to max 86 kt 70 75 kt
100 % Average bank angle 3.3 °0.0 ° min to max 13.1 ° 4.0 3.5 °
100 % Average g force 1.01 g0.89 g min to max 1.20 g 1.09 0.99 g
Info Average VSI -346 fpm-1,277 fpm min to max 210 fpm -710 -566 fpm
Info Average altitude 1,775 ft asl1,585 ft asl min to max 2,107 ft asl 2,107 1,585 ft asl
Info Average pitch angle 0.5 °-6.5 ° min to max 5.2 ° -1.7 -1.2 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Overspeed Warning Activated 1,581 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,593 ft agl · 69 kt
Enroute Level 3 97.55Enroute level cruise started 1 mile north of Cranbury (New Jersey, United States) and lasted 32 minutes, covering 38 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±579 ft of 1,233 ft asl904 ft asl min to max 1,771 ft asl 1,575 1,392 ft asl
88 % Average speed 66 kt52 kt min to max 86 kt 76 71 kt
100 % Average bank angle 3.1 °0.0 ° min to max 18.2 ° 4.1 0.9 °
99.99 % Average g force 1.00 g0.81 g min to max 1.38 g 0.99 1.00 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 3.9 °-9.6 ° min to max 12.1 ° -1.4 2.0 °

Events

Fail Overspeed Warning Activated 1,138 ft agl · 71 kt
Fail Overspeed Warning Activated 1,010 ft agl · 70 kt
Fail Overspeed Warning Activated 1,050 ft agl · 70 kt
Fail Overspeed Warning Activated 1,026 ft agl · 69 kt
Fail Overspeed Warning Activated 1,016 ft agl · 69 kt
Fail Overspeed Warning Activated 1,056 ft agl · 69 kt
Fail Overspeed Warning Activated 1,090 ft agl · 69 kt
Fail Overspeed Warning Activated 1,016 ft agl · 69 kt
Fail Overspeed Warning Activated 1,013 ft agl · 70 kt
Fail Overspeed Warning Activated 1,148 ft agl · 70 kt
Fail Overspeed Warning Activated 1,158 ft agl · 70 kt
Fail Overspeed Warning Activated 1,060 ft agl · 69 kt
Fail Overspeed Warning Activated 987 ft agl · 69 kt
Fail Overspeed Warning Activated 970 ft agl · 69 kt
Fail Overspeed Warning Activated 917 ft agl · 69 kt
Fail Overspeed Warning Activated 928 ft agl · 69 kt
Fail Overspeed Warning Activated 1,154 ft agl · 70 kt
Fail Overspeed Warning Activated 1,221 ft agl · 69 kt
Fail Overspeed Warning Activated 1,193 ft agl · 69 kt
Fail Overspeed Warning Activated 1,195 ft agl · 69 kt
Fail Overspeed Warning Activated 1,177 ft agl · 70 kt
Fail Overspeed Warning Activated 1,097 ft agl · 69 kt
Fail Overspeed Warning Activated 999 ft agl · 70 kt
Fail Overspeed Warning Activated 1,332 ft agl · 70 kt
Fail Overspeed Warning Activated 1,329 ft agl · 70 kt
Fail Overspeed Warning Activated 1,314 ft agl · 70 kt
Fail Overspeed Warning Activated 1,691 ft agl · 69 kt
Fail Overspeed Warning Activated 1,708 ft agl · 69 kt
Fail Overspeed Warning Activated 1,743 ft agl · 69 kt
Fail Overspeed Warning Activated 1,740 ft agl · 69 kt
Fail Overspeed Warning Activated 1,472 ft agl · 70 kt
Fail Overspeed Warning Activated 1,417 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,111 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,049 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,039 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,009 ft agl · 69 kt
Info Overspeed Warning Deactivated 998 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,027 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,080 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,011 ft agl · 69 kt
Info Overspeed Warning Deactivated 999 ft agl · 68 kt
Info Overspeed Warning Deactivated 934 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,149 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,059 ft agl · 69 kt
Info Overspeed Warning Deactivated 991 ft agl · 68 kt
Info Overspeed Warning Deactivated 948 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,000 ft agl · 69 kt
Info Overspeed Warning Activated 921 ft agl · 69 kt
Info Overspeed Warning Deactivated 918 ft agl · 68 kt
Info Overspeed Warning Deactivated 915 ft agl · 69 kt
Info Overspeed Warning Activated 913 ft agl · 69 kt
Info Overspeed Warning Deactivated 916 ft agl · 69 kt
Info Overspeed Warning Deactivated 924 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,067 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,222 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,134 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,183 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,101 ft agl · 69 kt
Info Overspeed Warning Deactivated 915 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,009 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,339 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,329 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,314 ft agl · 67 kt
Info Overspeed Warning Activated 1,709 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,708 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,698 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,707 ft agl · 68 kt
Info Overspeed Warning Deactivated 1,751 ft agl · 69 kt
Info Overspeed Warning Activated 1,757 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,751 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,491 ft agl · 69 kt
Info Overspeed Warning Deactivated 1,422 ft agl · 68 kt
Enroute Descent 2 100.00Enroute descent started overhead Broad Channel (New York, United States). Descent from 1,390 ft asl to 195 ft asl, a decrease of 1,194 ft in 2 minutes and covering 3 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 61 kt53 kt min to max 73 kt 71 54 kt
100 % Average bank angle 3.8 °0.0 ° min to max 13.1 ° 0.3 2.7 °
100 % Average g force 1.00 g0.74 g min to max 1.23 g 0.99 1.08 g
Info Average VSI -475 fpm-1,428 fpm min to max 50 fpm -127 -245 fpm
Info Average altitude 707 ft asl195 ft asl min to max 1,390 ft asl 1,390 195 ft asl
Info Average pitch angle 0.9 °-9.6 ° min to max 7.7 ° 1.9 6.6 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Overspeed Warning Deactivated 1,204 ft agl · 68 kt
Arrival Approach 71.43Final approach to runway 31L at KJFK John F Kennedy International Airport. Descent from 254 ft agl to 18 ft agl in 63 seconds. Scored on the stabilisation gates.
ScoreDescriptionStartProfileEnd
100 % Gear downpassed
0 % Landing flapfailed
100 % Sink ratepassed
100 % On glideslopepassed
0 % On centrelinefailed
100 % On speedpassed
100 % Wings levelpassed

Events

Info Stall Warning Activated 18 ft agl · 44 kt
Arrival Landing 88.13Landing on runway 31L at KJFK John F Kennedy International Airport, runway length 11,234 ft. Good threshold height. Threshold speed was excessively high at 41 kt.
ScoreDescriptionStartProfileEnd
100 % Threshold speed was excessively high at 41 kt. Target 30 kt
100 % Good threshold height.Target 50 ft agl
53 % The flare strayed well off the target profile. The flare took all the sink out 26 ft agl above the runway and the aircraft then dropped the rest of the way, 161 fpm of sink coming back. Touchdown was 61 ft past the threshold. Hold the attitude and let it settle rather than pushing - a balloon is almost always excess speed, so the fix is on the approach, not in the flare.
100 % Runway alignment max 7.3 ft right6.8 ft right to 7.3 ft right -6.8 -7.3 ft
99 % Average bank angle 2.1 °1.9 ° min to max 2.4 ° 2.4 1.9 °
100 % Average g force 0.97 g0.97 g min to max 0.97 g 0.97 0.97 g
Info Average speed 41 kt40 kt min to max 41 kt 41 40 kt
Info Average VSI -256 fpm-268 fpm min to max -244 fpm -244 -268 fpm
Info Average altitude 2 ft agl1 ft agl min to max 4 ft agl 4 1 ft agl
Info Average pitch angle 11.9 °11.7 ° min to max 12.0 ° 11.7 11.8 °
0203959799901123344657Runway Distance ftLanding Height ft02039597999-110-88-66-44-22022446688110Runway Distance ftRunway Width ft
Arrival Touchdown 90.35Touchdown distance was good at 61 ft. Touchdown speed at 40 kt was good. Touchdown rate was fair at -286 fpm. Runway touchdown alignment was very good. Local weather - Temperature 59 °F. Wind 2 kt at 270 °. Crosswind: 1 kt Headwind: 1 kt.
ScoreDescriptionStartProfileEnd
53 % Touchdown rate was -286 fpm.
100 % Touchdown distance was 61 ftTarget 1,500 ft
100 % Speed at touchdown 40 ktTarget below 62 kt
100 % Runway alignment max 7.6 ft right7.5 ft right -7.3 -7.6 ft
100 % Average bank angle 1.3 °0.1 ° min to max 1.9 ° 1.9 0.1 °
95 % Average g force 1.08 g0.97 g min to max 1.34 g 0.97 1.09 g
100 % Landing Bounce
Info Average speed 40 kt40 kt min to max 41 kt 40 40 kt
Info Average pitch angle 10.0 °9.5 ° min to max 11.8 ° 11.8 10.0 °

Events

Info Stall Warning Deactivated 4 ft agl · 40 kt
Arrival Rollout 98.39Total landing distance 440 ft, 4 % of runway. Runway rollout alignment was very good.
ScoreDescriptionStartProfileEnd
100 % Landing distance 440 ft4 % of runway.
96 % Runway alignment max 13.2 ft right0.0 ft left to 13.2 ft right -7.7 -13.2 ft
100 % Average g force 1.01 g0.99 g min to max 1.08 g 1.08 1.00 g
Info Average speed 37 kt31 kt min to max 39 kt 39 31 kt
Info Average pitch angle 9.9 °9.7 ° min to max 10.0 ° 10.0 9.7 °
Info Average bank angle 1.2 °0.1 ° min to max 2.2 ° 0.1 0.2 °
Runway Exit Exiting runway, average speed 31 kt
ScoreDescriptionStartProfileEnd
Info Average speed 30 kt30 kt min to max 30 kt 30 30 kt
Info Average pitch angle 9.7 °9.7 ° min to max 9.7 ° 9.7 9.7 °
Info Average bank angle 0.1 °0.1 ° min to max 0.1 ° 0.1 0.1 °
Info Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g

Takeoff

100.00Takeoff roll1,111 ft · 22 %
43.72Liftoff speed47 kt · target 35, 12 fast
77.03Runway alignment30.7 ft L
OkBounce on takeoffNone
94.33Rate of climb184 fpm

Landing

The threshold, the flare and the hold-off. The approach that led to it is the stabilisation gates below.

100.00Threshold height3 ft
100.00Threshold speed41 kt · target 30, 11 fast
100.00Centreline offset7.3 ft R
Flare 52.89The flare strayed well off the target profile. The flare took all the sink out 26 ft agl above the runway and the aircraft then dropped the rest of the way, 161 fpm of sink coming back. Touchdown was 61 ft past the threshold. Hold the attitude and let it settle rather than pushing - a balloon is almost always excess speed, so the fix is on the approach, not in the flare.

The stabilisation gates

One stabilised approach gate: seven checks where the approach path is 300 ft above the runway. The 1,000 ft gate was not assessed, because the approach did not join final that far out. These checks are the approach's score.

Seven checks, one gate300 ft 71.435 of 7
Gear down
Landing flap
Sink rate
On glideslope
On centreline
On speed
Wings level

At the 300 ft gate: no landing flap set and centreline 6.3° off, against a 1° limit.

The approach, gate by gate

Gate Height Centreline Speed
0.5 nm 133 ft 0.31° L +28 kt
THR 4 ft 8.9 ft R +11 kt

Touchdown on KJFK 31L

three-point landing

Past threshold100.00
61ft
Centreline100.00
7.6ft R
Speed100.00
40kttarget 62 or less
Touchdown rate53.01
-286fpm
Impact94.86
1.34G
BouncesOk
None

Side view — the last 5,000 ft of the approach.

3 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 1,000 ft This flight — 3 ft, down at 61 ft

Plan view — the first 5,000 ft of the 11,234 ft runway, to the same scale as the side view.

1,0002,0003,0004,0005,000 THRESHOLD FULL SCORE TO 1,650 FT 61 ft past threshold CLEARED

The 61 ft touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 408 ft of 11,234 ft · 4 %
Rollout distance100.00
347ft4 % used
Rollout alignment96.42
13.2ft R

The rest of the report

Explore in detail

Flight narrative

The Curtiss JN-4D taxied to runway 33 at KPNE Northeast Philadelphia Airport and commenced the departure roll, achieving a takeoff distance of 1,111 ft (22 % of the runway) and lifting off at 48 kt. Ambient conditions were a temperature of 60 °F, wind 2 kt from 270°, with a 1 kt cross-wind component and a 1 kt head-wind component.

After departure, the aircraft entered a level cruise segment that began overhead KPNE and continued for 23 minutes, covering a distance of 26 nm.

The first descent phase started when the aircraft passed overhead Princeton Meadows, New Jersey, descending from 2,107 ft asl to 1,585 ft asl - a loss of 522 ft - over a period of 2 minutes while traveling 2 nm.

Subsequently, a second level cruise commenced approximately 1 mile north of Cranbury, New Jersey, lasting 32 minutes and encompassing 38 nm of flight.

The next descent began over Broad Channel, New York, with the aircraft dropping from 1,390 ft asl to 195 ft asl, a reduction of 1,194 ft in 2 minutes and covering 3 nm.

For the final approach to runway 31L at KJFK John F. Kennedy International Airport, the aircraft descended from 269 ft agl to 18 ft agl in 65 seconds and was recorded as having scored on the stabilisation gates.

Landing on runway 31L was completed with a runway length of 11,234 ft; the threshold speed was 41 kt, touchdown distance measured 51 ft, touchdown speed was 40 kt, and the vertical speed at touchdown was minus 268 fpm. Runway touchdown alignment was very good, and local weather reported a temperature of 59 °F, wind 2 kt from 270°, with a 1 kt cross-wind and a 1 kt head-wind component. The total landing distance recorded was 440 ft (4 % of the runway), and rollout alignment was very good.

During rollout the aircraft traveled the 440 ft landing distance while maintaining excellent alignment with the runway centreline.

In total, the flight covered 70 nm, required 61 minutes of elapsed time, and consumed 54 lb 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 33 at KPNE Northeast Philadelphia Airport in the Curtiss JN-4D
89.93 %
84.15 %
Takeoff Roll
Departure roll runway 33 at KPNE Northeast Philadelphia Airport. Takeoff distance 1,111 ft 22 % of runway. Liftoff speed was 48 kt. Local weather - Temperature 60 °F. Wind 2 kt at 270 °. Crosswind: 1 kt Headwind: 1 kt.
Takeoff Distance
100 %
Roll distance of 1,111 ft using 22.28 % of runway
Liftoff Speed
43.72 %
Liftoff speed was 48 kn - Target 35 kn
Alignment
77.03 %
30.7 ft left to 0.0 ft left
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
50 35 20
Bank °
Info
6 3 0
Pitch °
Info
14 12 9
01,0002,0003,0004,000-80-70-60-50-40-30-20-1001020304050607080 Runway Distance ft Runway Alignment to End of Runway ft
94.33 %
Climb 1
Departure climb to 50 ft agl from runway 33 KPNE Northeast Philadelphia Airport.
Alignment
88.11 %
2 0 -2
IAS kt
100 %
60 50 40
Bank °
89.23 %
9 4.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
16 12 8
Climb Rate fpm
Info
300 100 -100
91.29 %
Climb 2
Departure climb to 400 ft agl from 33 KPNE Northeast Philadelphia Airport.
Alignment
100 %
2 0 -2
IAS kt
100 %
60 50 40
Bank °
65.17 %
18 9 0
G
100 %
1.5 1 0.5
Pitch °
Info
19 14 8
Climb Rate fpm
Info
800 350 -100
01,0002,0003,0004,00003876114152190 Runway Distance ft Height at End of Runway ft
00.250.50100200 Climb Distance NM Climb Profile to 1,000 ft
00.250.5-200-160-120-80-4004080120160200 Climb Distance NM Runway Alignment in (ft) to 1,000 ft
Landing report
Landing on runway 31L at KJFK John F Kennedy International Airport in the Curtiss JN-4D
Landing Score 92.29 %
Landing Summary

The Curtiss JN-4D completed its final approach to runway 31L at KJFK, descending from 269 ft agl to 18 ft agl in 65 seconds and receiving a score on the stabilisation gates.

At threshold the aircraft maintained a good height and a good threshold speed of 41 kt. Touchdown distance was good at 51 ft, while touchdown speed of 40 kt was noted as a little fast. The touchdown rate was fair at minus 268 fpm and runway touchdown alignment was very good; ambient conditions were 59 °F with a 2-kt wind from 270°, including a 1-kt crosswind and a 1-kt headwind.

Touchdown occurred 51 ft beyond the threshold at a speed of 40 kt, a descent rate of minus 268 fpm, and with very good alignment to the runway centreline.

Rollout covered a total landing distance of 440 ft, representing 4 % of the 11,234-ft runway, and runway rollout alignment remained very good.

To refine the already strong performance, the pilot should aim to reduce touchdown speed slightly toward the target VREF and adjust the flare to achieve a gentler descent rate, which will further improve touchdown quality while preserving the excellent alignment already demonstrated.

71.43 %
Approach
Final approach to runway 31L at KJFK John F Kennedy International Airport. Descent from 254 ft agl to 18 ft agl in 63 seconds. Scored on the stabilisation gates.
Glideslope °
4 3 2
IAS kt
66 53 40
Alignment
0.5 0 -0.5
Bank °
11 5.5 0
G
1.5 1 0.5
Descent Rate fpm
51 -275 -600
00.250.50.7511.251.51.7522.252.52.7533.253.53.7540100200300400 Distance to Touchdown NM Approach Height ft
00.250.50.7511.251.51.7522.252.52.7533.253.53.754-810-608-405-2030203405608810 Distance to Touchdown NM Approach Runway Alignment ft
88.13 %
Landing
Landing on runway 31L at KJFK John F Kennedy International Airport, runway length 11,234 ft. Good threshold height. Threshold speed was excessively high at 41 kt.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
100 %
Threshold speed was excessively high at 41 kt. Target 30 kt
Flare
52.89 %
The flare strayed well off the target profile. The flare took all the sink out 26 ft agl above the runway and the aircraft then dropped the rest of the way, 161 fpm of sink coming back. Touchdown was 61 ft past the threshold. Hold the attitude and let it settle rather than pushing - a balloon is almost always excess speed, so the fix is on the approach, not in the flare.
Centreline ft
100 %
100 0 -100
Bank °
99.03 %
3 2 1
G
100 %
1.5 1 0.5
IAS kt
Info
41 41 40
Pitch °
Info
12 12 11
Descent Rate fpm
Info
-244 -272 -300
0203959799901123344657 Runway Distance ft Landing Height ft
02039597999-110-88-66-44-22022446688110 Runway Distance ft Runway Width ft
90.35 %
Touchdown
Touchdown distance was good at 61 ft. Touchdown speed at 40 kt was good. Touchdown rate was fair at -286 fpm. Runway touchdown alignment was very good. Local weather - Temperature 59 °F. Wind 2 kt at 270 °. Crosswind: 1 kt Headwind: 1 kt.
Touchdown
53.01 %
Touchdown rate was fair at -286 fpm.
Speed
100 %
Touchdown speed at 40 kt was good. Target below 62 kn
Distance
100 %
Touchdown distance was good at 61 ft.
Alignment
100 %
Runway touchdown alignment was very good.
Bank
100 %
Bank angle 1.3 °
G
94.86 %
G 1.08 g
Bounce
100 %
No Bounce Detected
98.39 %
Rollout
Total landing distance 440 ft, 4 % of runway. Runway rollout alignment was very good.
Distance
100 %
Landing distance 440 ft using 3.92 % of runway
Alignment
96.42 %
Runway rollout alignment was very good.
G
100 %
1.25 1 0.75
IAS kt
Info
40 35 30
Bank °
Info
3 1.5 0
Pitch °
Info
11 10 9
081163244325406 Runway Distance ft Runway Width ft
Metrics
Metrics

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