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FHAW
Cat Hill, Saint Helena
Runway 13
Elevation236 ft asl
Weight1,780 lbs
Fuel50 lbs
Wind270° · 1 kn

Flight Score

93.55 %
BUSH
3 miles north east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena), Saint Helena
Runway XX
Elevation2,532 ft asl
Weight1,771 lbs
Fuel41 lbs
19 Sep 2026 0:10 9 nm Curtiss JN-4D 9 lbs
Departure Score
94.80 %
Enroute Score
100.00 %
Arrival Score
85.86 %

What went well

Touchdown 302 ft in — inside the full-score zone
Straight touchdown — 12.4 ft off the centreline, no bounce
Flare on profile — 100 %

What held you back

Arrival Touchdown — Touchdown rate was -689 fpm at 0 %, g force 1.08 to 1.98 g at 58 %, −3.95 points
Departure Roll — Rotation speed was 51 kt at 14 %, Runway alignment max 30.1 ft right at 78 %, −1.44 points
Arrival Landing — Threshold speed was a little below target at 55 kt at 86 %, bank angle up to 6.0 ° at 90 %, −0.77 points

Next time

Departure

Start bringing the nose up as the speed reaches 35 kt, not after it.

What happened: You started the rotation at 51 kt, 16 kt past the 35 kt rotation speed.

Watch for: Airspeed indicator: 35 kt at rotation

See Departure Roll

Arrival

Add power on final to hold 64 kt across the threshold.

What happened: The aircraft crossed the threshold at 55 kt, 9 kt below VREF, and low energy like this usually carries through to a firm touchdown at 688 fpm.

Watch for: Airspeed indicator: 64 kt at the threshold

See Arrival LandingArrival Touchdown

There are several things that can go wrong during the flare, carrying too much speed over the threshold, starting the flare at the wrong height and inconsistent flight control inputs, all contribute to a poor flare resulting in a hard touchdown or a float down the runway.

Read more in Flare Timing

Start to finish · 13 stages, 12 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 12 kt8 kt min to max 17 kt 8 17 kt
100 % Average speed turning corners 0 ktmax 0 kt 0 0 kt
100 % Average g force 0.97 g0.96 g min to max 0.98 g 0.96 0.98 g
Info Average pitch angle 9.8 °9.7 ° min to max 9.9 ° 9.7 9.9 °
Info Average bank angle 0.7 °0.1 ° min to max 1.0 ° 1.0 0.1 °

Events

Info Battery Master On 4 ft agl · 8 kt
Info Engine 1 Started 4 ft agl · 8 kt
Info Autopilot Master Switched On 4 ft agl · 8 kt
Departure Runway Entry Entering runway 13 at FHAW RAF Ascension Island, Average speed was 9 kt.
ScoreDescriptionStartProfileEnd
Info Average speed 11 kt0 kt min to max 22 kt 0 22 kt
Info Average pitch angle 9.1 °9.0 ° min to max 9.1 ° 9.0 9.1 °
Info Average bank angle 0.6 °0.0 ° min to max 0.8 ° 0.0 0.6 °
Info Average g force 0.97 g0.96 g min to max 0.99 g 0.99 0.96 g
Departure Roll 78.38Departure roll runway 13 at FHAW RAF Ascension Island. Takeoff distance 1,391 ft 14 % of runway. Rotation speed was 51 kt. Local weather - Temperature 60 °F. Wind 1 kt at 270 °. Crosswind: 0 kt Tailwind: 1 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 1,391 ft14 % of runway
14 % Rotation speed was 51 ktTarget 35 kt
78 % Runway alignment max 30.1 ft right4.7 ft left to 30.1 ft right -1.2 -14.3 ft
100 % Average g force 0.98 g0.95 g min to max 1.07 g 0.96 1.07 g
100 % Takeoff Bounce
Info Average pitch angle 7.9 °4.4 ° min to max 9.9 ° 9.2 9.9 °
Info Average bank angle 1.9 °0.1 ° min to max 3.9 ° 0.5 2.8 °
Departure Climb 1 97.26Departure climb to 50 ft agl from runway 13 FHAW RAF Ascension Island.
ScoreDescriptionStartProfileEnd
98 % Heading variation -0.5 °-1.2 ° min to max 0.5 ° 0.5 -1.2 °
100 % Average speed 51 kt50 kt min to max 53 kt 52 50 kt
91 % Average bank angle 4.6 °1.6 ° min to max 8.1 ° 2.6 3.8 °
100 % Average g force 1.03 g0.98 g min to max 1.11 g 1.08 1.00 g
Info Average VSI 398 fpm266 fpm min to max 534 fpm 266 534 fpm
Info Average altitude 12 ft agl0 ft agl min to max 35 ft agl 0 35 ft agl
Info Average pitch angle 12.7 °10.0 ° min to max 14.9 ° 10.0 14.9 °
Departure Climb 2 98.34Departure climb to 400 ft agl from 13 FHAW RAF Ascension Island.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.8 °-1.2 ° min to max 0.2 ° -1.2 0.2 °
100 % Average speed 50 kt48 kt min to max 53 kt 50 52 kt
93 % Average bank angle 2.4 °0.0 ° min to max 7.3 ° 3.8 0.9 °
100 % Average g force 0.96 g0.91 g min to max 1.01 g 1.00 0.98 g
Info Average VSI 433 fpm216 fpm min to max 588 fpm 538 340 fpm
Info Average altitude 121 ft agl36 ft agl min to max 363 ft agl 36 363 ft agl
Info Average pitch angle 12.8 °9.5 ° min to max 15.1 ° 14.9 11.0 °
Departure Climb 3 100.00Departure climb to 1,000 ft agl from 13 FHAW RAF Ascension Island.
ScoreDescriptionStartProfileEnd
100 % Average speed 52 kt48 kt min to max 56 kt 52 49 kt
100 % Average bank angle 3.4 °0.0 ° min to max 10.9 ° 0.0 1.2 °
100 % Average g force 0.99 g0.92 g min to max 1.06 g 0.98 0.93 g
100 % Landing gear up at 0 ft agl
Info Heading variation -0.4 °-1.7 ° min to max 0.2 ° 0.2 -1.7 °
Info Average VSI 330 fpm-61 fpm min to max 652 fpm 344 589 fpm
Info Average altitude 473 ft agl368 ft agl min to max 571 ft agl 368 571 ft agl
Info Average pitch angle 11.2 °6.7 ° min to max 15.7 ° 11.0 14.8 °
Enroute Level 100.00Enroute level cruise started overhead FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena) and lasted less than 1 minute. , covering less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±542 ft of 878 ft asl844 ft asl min to max 937 ft asl 844 937 ft asl
100 % Average speed 49 kt42 kt min to max 54 kt 46 54 kt
100 % Average bank angle 5.5 °0.0 ° min to max 24.8 ° 7.8 2.8 °
100 % Average g force 0.98 g0.86 g min to max 1.03 g 0.86 1.02 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 11.2 °8.4 ° min to max 19.3 ° 13.9 11.4 °

Events

Info Stall Warning Activated 639 ft agl · 44 kt
Info Stall Warning Deactivated 639 ft agl · 43 kt
Enroute Climb 100.00Enroute climb started 1 mile south east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena). Climbing from 944 ft asl to 1,467 ft asl, an increase of 523 ft in 2 minutes and covering 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 52 kt49 kt min to max 53 kt 53 51 kt
100 % Average bank angle 2.2 °0.0 ° min to max 6.6 ° 1.0 0.1 °
100 % Average g force 0.98 g0.94 g min to max 1.02 g 1.02 0.98 g
Info Average VSI 351 fpm143 fpm min to max 572 fpm 418 358 fpm
Info Average altitude 1,207 ft asl944 ft asl min to max 1,467 ft asl 944 1,467 ft asl
Info Average pitch angle 11.1 °9.0 ° min to max 13.3 ° 12.6 11.5 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 2 100.00Enroute level cruise started 2 miles east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena) and lasted 1 minutes, covering 1 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±574 ft of 1,671 ft asl1,472 ft asl min to max 1,840 ft asl 1,472 1,840 ft asl
100 % Average speed 52 kt48 kt min to max 56 kt 50 54 kt
100 % Average bank angle 2.4 °0.0 ° min to max 10.6 ° 0.2 0.8 °
100 % Average g force 0.99 g0.93 g min to max 1.07 g 0.97 1.02 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 10.7 °6.2 ° min to max 14.3 ° 11.1 14.3 °
Enroute Climb 2 100.00Enroute climb started 3 miles east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena). Climbing from 1,850 ft asl to 2,635 ft asl, an increase of 784 ft in 3 minutes and covering 3 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 51 kt46 kt min to max 56 kt 52 52 kt
100 % Average bank angle 3.0 °0.0 ° min to max 14.1 ° 0.1 1.3 °
100 % Average g force 0.98 g0.87 g min to max 1.07 g 1.00 0.99 g
Info Average VSI 244 fpm-213 fpm min to max 679 fpm 651 241 fpm
Info Average altitude 2,221 ft asl1,850 ft asl min to max 2,635 ft asl 1,850 2,635 ft asl
Info Average pitch angle 10.5 °6.4 ° min to max 15.2 ° 15.0 9.7 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 3 99.99Enroute level cruise started 4 miles east of Georgetown (Ascension, Saint Helena) and lasted 2 minutes, covering 2 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±632 ft of 2,779 ft asl2,575 ft asl min to max 2,940 ft asl 2,639 2,575 ft asl
100 % Average speed 54 kt48 kt min to max 66 kt 52 55 kt
100 % Average bank angle 5.0 °0.0 ° min to max 19.8 ° 0.3 1.3 °
99.9 % Average g force 0.99 g0.68 g min to max 1.32 g 0.99 1.06 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 5.6 °-6.2 ° min to max 13.1 ° 9.8 -2.2 °
Arrival Landing 95.38Approaching touchdown 3 miles north east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena). Descent from 46 ft agl to 0 ft agl. A decrease of 46 ft in 3 seconds.
ScoreDescriptionStartProfileEnd
86 % Threshold speed was a little below target at 55 kt. Target 64 kt
100 % Perfect landing flare
99 % Alignment max 12.3 ft right0.4 ft right to 12.3 ft right -0.4 -12.3 ft
90 % Average bank angle 4.1 °2.4 ° min to max 6.0 ° 3.2 2.5 °
100 % Average g force 1.18 g1.11 g min to max 1.23 g 1.16 1.11 g
Info Average speed 53 kt51 kt min to max 55 kt 55 51 kt
Info Average VSI -488 fpm-918 fpm min to max -62 fpm -918 -62 fpm
Info Average altitude 28 ft agl19 ft agl min to max 46 ft agl 46 19 ft agl
Info Average pitch angle 6.8 °1.3 ° min to max 9.9 ° 1.3 9.9 °
025001123344657Runway Distance ftLanding Height ft0250-40-32-24-16-80816243240Runway Distance ftRunway Width ft
Arrival Touchdown 76.33Touchdown 3 miles north east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena). Touchdown speed at 51 kt was good. Touchdown rate was heavy at -689 fpm. Touchdown distance was good at 301 ft. Local weather - Temperature 60 °F. Wind 1 kt at 269 °. Crosswind: 0 kt Tailwind: 1 kt
ScoreDescriptionStartProfileEnd
0 % Touchdown rate was -689 fpm.
100 % Speed at touchdown 51 ktTarget below 62 kt
97 % Alignment max 12.4 ft right12.4 ft right -12.3 -12.4 ft
76 % Average bank angle 3.1 °2.5 ° min to max 3.9 ° 2.5 3.9 °
58 % Average g force 1.29 g1.08 g min to max 1.98 g 1.11 1.76 g
100 % Landing Bounce
Info Average speed 50 kt50 kt min to max 51 kt 51 50 kt
Info Average pitch angle 12.2 °9.9 ° min to max 15.3 ° 9.9 15.3 °

Takeoff

OkTaxi lightsSet
100.00Takeoff roll1,391 ft · 14 %
13.95Rotation speed51 kt · target 35, 16 fast
Liftoff speed52 kt
77.97Runway alignment30.1 ft R
OkBounce on takeoffNone
97.26Rate of climb397 fpm

Landing

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

100.00Threshold height45 ft
85.93Threshold speed55 kt · target 64, 9 slow
99.44Centreline offset12.3 ft R
Flare 100.00Perfect landing flare

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 45 ft — −9 kt

Touchdown on BUSH XX

Past threshold100.00
302ft
Centreline97.34
12.4ft R
Speed100.00
50kttarget 62 or less
Touchdown rate0.00
-689fpm
Impact58.29
1.98G
BouncesOk
None

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

45 ft over the threshold · target 50 ft 80 ft400 Ideal — 50 ft, down at 1,000 ft This flight — 45 ft, down at 302 ft

Plan view — the full 5,000 ft runway, to the same scale as the side view.

1,0002,0003,0004,0005,000 THRESHOLD FULL SCORE TO 1,650 FT 302 ft past threshold CLEARED

The 302 ft touchdown sits inside the full-score zone. The 1.98 G arrival is the firm side of smooth.

Runway used 302 ft of 5,000 ft · 6 %

The rest of the report

Explore in detail

Flight narrative

The Curtiss JN-4D taxied from the parking area to runway 13 at FHAW RAF Ascension Island in less than 1 minute, covering a distance of less than 1 nm.

During the departure roll on runway 13, the aircraft accelerated over a take-off distance of 1,391 ft, which represented 14 % of the available runway. Liftoff was achieved at 52 kt. Ambient conditions were 60 °F with a wind of 1 kt from 270°, a crosswind component of 0 kt and a tailwind component of 1 kt.

An initial level cruise commenced overhead FHAW and lasted less than 1 minute, during which the aircraft travelled less than 1 nm.

Climb began 1 mile southeast of FHAW, with the airframe rising from 944 ft asl to 1,467 ft asl - a gain of 523 ft - in 2 minutes while covering 1 nm.

A subsequent level cruise started 2 miles east of FHAW, persisting for 6 minutes and extending the flight path by 6 nm.

On final approach, the aircraft descended from 148 ft agl to 33 ft agl in 8 seconds, and the descent was recorded as having scored on the stabilisation gates.

During the touchdown approach, the aircraft descended from 46 ft agl to ground level in 3 seconds, a vertical change of 46 ft.

Touchdown occurred at a speed of 51 kt, with an excellent vertical rate of minus 62 fpm and a touchdown point 295 ft down the runway. Weather at the time remained 60 °F with a wind of 1 kt from 269°, a crosswind of 0 kt and a tailwind of 1 kt.

In total, the flight covered 9 nm, taking 10, and consumed 9 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 13 at FHAW RAF Ascension Island in the Curtiss JN-4D
94.8 %
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
2 1 0
Pitch °
Info
10 9.5 9
78.38 %
Takeoff Roll
Departure roll runway 13 at FHAW RAF Ascension Island. Takeoff distance 1,391 ft 14 % of runway. Rotation speed was 51 kt. Local weather - Temperature 60 °F. Wind 1 kt at 270 °. Crosswind: 0 kt Tailwind: 1 kt.
Takeoff Distance
100 %
Roll distance of 1,391 ft using 13.89 % of runway
Rotation Speed
13.95 %
Rotation speed was 51 kn - Target 35 kn
Alignment
77.97 %
4.7 ft left to 30.1 ft 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
60 40 20
Bank °
Info
4 2 0
Pitch °
Info
10 7 4
01,0002,0003,0004,0005,0006,0007,0008,0009,000-80-70-60-50-40-30-20-1001020304050607080 Runway Distance ft Runway Alignment to End of Runway ft
97.26 %
Climb 1
Departure climb to 50 ft agl from runway 13 FHAW RAF Ascension Island.
Alignment
97.67 %
2 0 -2
IAS kt
100 %
60 50 40
Bank °
91.36 %
9 5 1
G
100 %
1.5 1 0.5
Pitch °
Info
15 13 10
Climb Rate fpm
Info
600 250 -100
98.34 %
Climb 2
Departure climb to 400 ft agl from 13 FHAW RAF Ascension Island.
Alignment
100 %
2 0 -2
IAS kt
100 %
60 50 40
Bank °
93.37 %
8 4 0
G
100 %
1.5 1 0.5
Pitch °
Info
16 13 9
Climb Rate fpm
Info
600 350 100
100 %
Climb 3
Departure climb to 1,000 ft agl from 13 FHAW RAF Ascension Island.
Alignment
0 %
2 0 -2
IAS kt
100 %
60 50 40
Bank °
100 %
11 5.5 0
G
100 %
1.5 1 0.5
Pitch °
Info
16 11 6
Climb Rate fpm
Info
700 300 -100
01,0002,0003,0004,0005,0006,0007,0008,0009,0000105210315420525 Runway Distance ft Height at End of Runway ft
00.250.50.7511.251.50100200300400500 Climb Distance NM Climb Profile to 1,000 ft
00.250.50.7511.251.5-200-160-120-80-4004080120160200 Climb Distance NM Runway Alignment in (ft) to 1,000 ft
Landing report
Landing on runway XX at 3 miles north east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena) in the Curtiss JN-4D
Landing Score 85.86 %
Landing Summary

The final approach to the runway situated 3 miles north-east of FHAW RAF Ascension Island Cat Hill was conducted with a descent from 148 ft agl to 33 ft agl in 8 seconds and was scored on the stabilisation gates.

During the threshold and flare phase the aircraft descended from 46 ft agl to 0 ft agl, a decrease of 46 ft in 3 seconds, while remaining on the intended touchdown line.

Touchdown occurred 3 miles north-east of FHAW RAF Ascension Island Cat Hill at a speed of 51 kt, which was noted as too fast; the touchdown rate was excellent at minus 62 fpm and the touchdown point was good at 295 ft from the threshold. Local weather was temperature 60 °F, wind 1 kt from 269°, crosswind 0 kt and tailwind 1 kt.

Reduce the touchdown speed to the appropriate VREF to avoid excess kinetic energy on landing, and ensure the flare is timed to maintain the target speed while preserving the excellent vertical rate already demonstrated.

95.38 %
Landing
Approaching touchdown 3 miles north east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena). Descent from 46 ft agl to 0 ft agl. A decrease of 46 ft in 3 seconds.
Height
100 %
Good threshold height. Target 50 ft agl
Speed
85.93 %
Threshold speed was a little below target at 55 kt. Target 64 kt
Flare
100 %
Perfect landing flare
Centreline ft
99.44 %
100 0 -100
Bank °
89.58 %
6 4 2
G
100 %
1.5 1 0.5
IAS kt
Info
55 53 50
Pitch °
Info
10 5.5 1
Descent Rate fpm
Info
-75 -538 -1,000
025001123344657 Runway Distance ft Landing Height ft
0250-40-32-24-16-80816243240 Runway Distance ft Runway Width ft
76.33 %
Touchdown
Touchdown 3 miles north east of FHAW RAF Ascension Island Cat Hill (Ascension, Saint Helena). Touchdown speed at 51 kt was good. Touchdown rate was heavy at -689 fpm. Touchdown distance was good at 301 ft. Local weather - Temperature 60 °F. Wind 1 kt at 269 °. Crosswind: 0 kt Tailwind: 1 kt
Touchdown
0 %
Touchdown rate was heavy at -689 fpm.
Speed
100 %
Touchdown speed at 51 kt was good. Target below 62 kn
Distance
100 %
Touchdown distance was good at 301 ft.
Alignment
97.34 %
Runway touchdown position was slightly misaligned by 12 ft from centreline.
Bank
76.25 %
Bank angle 3.1 °
G
58.29 %
G 1.29 g
Bounce
100 %
No Bounce Detected
Metrics
Metrics

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