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C53
Challis, United States
Runway 34
Elevation4,081 ft asl
Weight1,261 lbs
Fuel72 lbs
Wind338° · 8 kn · 2 kn cross

Flight Score

83.71 %
KCHI
Challis, United States
Runway 29
Elevation4,790 ft asl
Weight1,258 lbs
Fuel67 lbs
Wind301° · 11 kn · 1 kn cross
9 Sep 2023 0:08 8 nm Kitfox Speedster (Bushwheel) 5 lbs
Departure Score
88.90 %
Enroute Score
98.90 %
Arrival Score
55.86 %

What went well

Touchdown 833 ft in — inside the full-score zone
1.13 G at touchdown — inside band
Airborne in 529 ft — 43 % of the runway

What held you back

Arrival Final 1 — stall warning; Approach angle 3.6 ° at 0 %, speed limits at 0 %, −5.07 points
Arrival Rollout — Landing distance 1,181 ft at 0 %, Runway alignment max 26.5 ft at 77 %, −4.60 points
Arrival Landing — Threshold speed at 56 kn was well below target, take care not to stall at 0 %, Heading variation 4.5 ° at 0 %, −4.28 points

Next time

Keep the approach speed on target

See Arrival Landing

Every knot above Vref is stored kinetic energy, and energy stored at the threshold must be dissipated in ground effect before the aeroplane will stop flying. Because kinetic energy scales with the square of speed, the excess you must dissipate grows fast. At a 45-knot approach, five knots hot is over a tenth more speed and roughly a quarter more energy to get rid of in ground effect. This is why the fix is never in the flare. It was decided three miles earlier, on final, at the airspeed indicator.

Read more in VRef Explained

Start to finish · 14 stages, 12 in the score

The flight story

The approach before the go-around was abandoned. Its marks are shown, but only the approach that landed counts.

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 kn0 kn min to max 0 kn 0 0 kn
100 % Average speed turning corners 0 knmax 0 kn 0 0 kn
100 % Average g force 1.00 g1.00 g min to max 1.00 g 1.00 1.00 g
100 % Beacon, navigation and taxi lights on
Info Average pitch angle 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °
Info Average bank angle 0.0 °0.0 ° min to max 0.0 ° 0.0 0.0 °

Events

Fail Beacon Light OFF should be ON
Fail Taxi Light OFF should be ON
Departure Roll 98.61Departure roll runway 34 at C53 Lower Loon Creek. Takeoff distance 0 ft 0 % of runway. Liftoff speed was 49 kn. Local weather - Temperature 72 °F. Wind 8 kn at 337 °. Crosswind: 2 kn Headwind: 8 kn.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 0 ft0 % of runway
100 % Liftoff speed was 49 knTarget 60 kn
93 % Runway alignment max 23.1 ft11.6 ft left to 11.5 ft right -5.7 -11.5 ft
100 % Average g force 0.95 g0.92 g min to max 0.98 g 0.98 0.97 g
100 % Takeoff Bounce
Info Average pitch angle 9.8 °8.9 ° min to max 12.0 ° 12.0 8.9 °
Info Average bank angle 0.5 °0.0 ° min to max 1.3 ° 0.0 1.3 °

Events

Fail Landing Lights OFF should be ON
Info Landing Gear Down 3 ft agl · 10 kt
Info Parking Brake Off 3 ft agl · 11 kt
Info Stall Warning Activated 4 ft agl · 45 kt
Departure Climb 1 85.95Departure climb to 50 ft agl from runway 34 C53 Lower Loon Creek.
ScoreDescriptionStartProfileEnd
53 % Heading variation 3.3 °1.3 ° min to max 5.2 ° 1.3 5.2 °
100 % Average speed 54 kn49 kn min to max 57 kn 49 57 kn
90 % Average bank angle 3.9 °1.4 ° min to max 5.7 ° 1.4 5.1 °
100 % Average g force 1.06 g0.97 g min to max 1.09 g 0.97 1.03 g
Info Average VSI 593 ft/m309 ft/m min to max 854 ft/m 309 854 ft/m
Info Average altitude 13 ft agl0 ft agl min to max 40 ft agl 0 40 ft agl
Info Average pitch angle 14.0 °9.0 ° min to max 17.9 ° 9.0 17.3 °

Events

Info Stall Warning Deactivated 37 ft agl · 62 kt
Departure Climb 2 71.05Departure climb to 400 ft agl from 34 C53 Lower Loon Creek.
ScoreDescriptionStartProfileEnd
6 % Heading variation 6.5 °5.3 ° min to max 9.5 ° 5.3 9.5 °
100 % Average speed 58 kn57 kn min to max 65 kn 57 65 kn
78 % Average bank angle 5.1 °4.0 ° min to max 10.2 ° 5.2 10.2 °
100 % Average g force 0.92 g0.89 g min to max 1.04 g 1.02 1.04 g
Info Average VSI 903 ft/m794 ft/m min to max 950 ft/m 872 929 ft/m
Info Average altitude 80 ft agl52 ft agl min to max 146 ft agl 52 146 ft agl
Info Average pitch angle 14.3 °12.0 ° min to max 16.9 ° 16.9 12.9 °
Enroute Climb 95.59Enroute climb started overhead C53 Lower Loon Creek Challis (Idaho, United States). Climbing from 4,266 ft asl to 5,823 ft asl, an increase of 1,556 ft in 1 minutes and covering less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 78 kn64 kn min to max 96 kn 67 82 kn
91 % Average bank angle 18.0 °1.4 ° min to max 44.4 ° 15.8 4.6 °
91 % Average g force 1.06 g0.70 g min to max 1.40 g 1.09 0.95 g
Info Average VSI 1,293 ft/m34 ft/m min to max 3,472 ft/m 1,227 34 ft/m
Info Average altitude 5,159 ft asl4,266 ft asl min to max 5,823 ft asl 4,266 5,823 ft asl
Info Average pitch angle 9.8 °-0.0 ° min to max 21.1 ° 14.4 2.5 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Bounce during liftoff 242 ft agl · 74 kt
Info Engine 1 Stopped 1,376 ft agl · 88 kt
Info Engine 1 Started 1,376 ft agl · 88 kt
Enroute Level 100.00Enroute level cruise started overhead C53 Lower Loon Creek Challis (Idaho, United States) and lasted 1 minutes, covering 2 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 5,868 ft asl5,810 ft asl min to max 6,007 ft asl 5,821 6,007 ft asl
100 % Average speed 83 kn75 kn min to max 92 kn 83 82 kn
100 % Average bank angle 2.8 °0.0 ° min to max 5.9 ° 4.1 2.4 °
100 % Average g force 1.01 g0.84 g min to max 1.16 g 0.97 0.95 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 4.7 °-1.5 ° min to max 9.7 ° 2.0 9.4 °
Enroute Climb 2 100.00Enroute climb started 2 miles south of C53 Lower Loon Creek Challis (Idaho, United States). Climbing from 6,039 ft asl to 6,771 ft asl, an increase of 731 ft in 1 minutes and covering 2 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 84 kn78 kn min to max 89 kn 79 81 kn
100 % Average bank angle 2.6 °0.1 ° min to max 8.0 ° 2.3 1.3 °
100 % Average g force 1.00 g0.88 g min to max 1.17 g 0.90 0.92 g
Info Average VSI 671 ft/m-36 ft/m min to max 1,674 ft/m 964 870 ft/m
Info Average altitude 6,301 ft asl6,039 ft asl min to max 6,771 ft asl 6,039 6,771 ft asl
Info Average pitch angle 3.6 °-1.6 ° min to max 9.9 ° 7.4 2.2 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 2 100.00Enroute level cruise started 3 miles north west of KCHI Challis Airport Challis (Idaho, United States) and lasted less than 1 minute. , covering less than 1 nm.
ScoreDescriptionStartProfileEnd
100 % Average altitude 6,752 ft asl6,731 ft asl min to max 6,787 ft asl 6,780 6,737 ft asl
100 % Average speed 87 kn80 kn min to max 91 kn 81 85 kn
100 % Average bank angle 4.0 °0.7 ° min to max 8.0 ° 1.4 4.2 °
100 % Average g force 0.98 g0.86 g min to max 1.10 g 0.86 0.98 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle -1.4 °-3.2 ° min to max 1.6 ° 1.6 -2.8 °
Arrival 93.24Not counted in the flight scoreArrival started 3 miles north west of KCHI Challis Airport Challis (Idaho, United States).
ScoreDescriptionStartProfileEnd
100 % Average speed 83 kn62 kn min to max 96 kn 86 63 kn
83 % Average bank angle 8.9 °0.0 ° min to max 35.0 ° 4.2 2.8 °
100 % Average g force 1.03 g0.91 g min to max 1.24 g 0.95 0.98 g
Info Average VSI -663 ft/m-1,825 ft/m min to max 400 ft/m -358 -704 ft/m
Info Average altitude 6,103 ft asl5,212 ft asl min to max 6,731 ft asl 6,731 5,212 ft asl
Info Average pitch angle -2.6 °-9.1 ° min to max 4.5 ° -3.6 -2.7 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Flaps Position 1 646 ft agl · 105 kt
Info Flaps Position 2 634 ft agl · 83 kt
Arrival Final 1 39.22Approaching runway 29 at KCHI Challis Airport from 1 nm to 0 nm. Descent from 409 ft agl to 44 ft agl. A decrease of 366 ft in 38 seconds.
ScoreDescriptionStartProfileEnd
0 % Approach angle 3.6 °2.5 ° min to max 5.1 °Target 3.0 ° 5.1 2.5 °
0 % Average speed 59 kn53 kn min to max 62 kn 62 56 kn
0 % Heading variation 2.5 °2.0 ° min to max 4.4 ° 4.4 2.9 °
96 % Average bank angle 1.4 °0.1 ° min to max 4.4 ° 1.1 1.4 °
100 % Average g force 1.00 g0.94 g min to max 1.06 g 1.02 1.06 g
Info Average VSI -561 ft/m-744 ft/m min to max -466 ft/m -744 -626 ft/m
Info Average altitude 119 ft agl44 ft agl min to max 409 ft agl 409 44 ft agl
Info Average pitch angle 2.0 °-1.3 ° min to max 4.5 ° -1.3 4.5 °

Events

Fail Stall Warning Activated 317 ft agl · 60 kt
Info Stall Warning Deactivated 275 ft agl · 61 kt
00.250.50.751050100150200250300350400Distance to Touchdown NMApproach Height ft00.250.50.751-390-293-195-98098195293390Distance to Touchdown NMApproach Runway Alignment ft
Arrival Landing 48.59Landing on runway 29 at KCHI Challis Airport, runway length 975 ft. Good threshold height. Threshold speed at 56 kn was well below target, take care not to stall.
ScoreDescriptionStartProfileEnd
0 % Threshold speed at 56 kn was well below target, take care not to stall. Target 63 kn
67 % Landing and flare profile
0 % Heading variation 4.5 °2.9 ° min to max 9.3 ° 2.9 9.3 °
99.8 % Average bank angle 1.0 °0.0 ° min to max 2.1 ° 1.3 1.7 °
100 % Average g force 1.02 g0.94 g min to max 1.13 g 1.08 0.99 g
Info Average speed 52 kn48 kn min to max 56 kn 56 48 kn
Info Average VSI -238 ft/m-619 ft/m min to max -131 ft/m -619 -221 ft/m
Info Average altitude 18 ft agl2 ft agl min to max 36 ft agl 36 2 ft agl
Info Average pitch angle 6.9 °5.1 ° min to max 8.4 ° 5.1 7.8 °

Events

Info Stall Warning Activated 15 ft agl · 61 kt
Info Stall Warning Deactivated 13 ft agl · 59 kt
Info Stall Warning Activated 10 ft agl · 58 kt
Info Stall Warning Deactivated 7 ft agl · 57 kt
Info Stall Warning Activated 7 ft agl · 55 kt
02505007501,00007.1414212936Runway Distance ftLanding Height ft02505007501,000-40-32-24-16-80816243240Runway Distance ftRunway Width ft
Arrival Touchdown 90.82Touchdown point was excessively long using more than 75% of available runway. Touchdown speed at 48 kn was good. Touchdown rate was fair at -221 ft/m. Runway touchdown position was slightly misaligned by 23 ft from centreline. Local weather - Temperature 70 °F. Wind 11 kn at 301 °. Crosswind: 1 kn Headwind: 11 kn.
ScoreDescriptionStartProfileEnd
82 % Touchdown VSI was -221 ft/m.
100 % Touchdown distance was 826 ftTarget 825 ft
100 % Speed at touchdown 48 knTarget 55 kn
81 % Runway alignment max 23.1 ft20.4 ft left 23.1 18.1 ft
64 % Average bank angle 0.8 °0.3 ° min to max 1.7 ° 1.7 0.9 °
100 % Average g force 1.04 g0.99 g min to max 1.13 g 0.99 1.00 g
100 % Landing Bounce
Info Average speed 47 kn46 kn min to max 48 kn 48 46 kn
Info Average pitch angle 9.2 °7.8 ° min to max 10.0 ° 7.8 9.1 °
Arrival Rollout 44.82Total landing distance 1,181 ft, 121 % of runway. Runway rollout alignment was slightly misaligned by 26 ft from centreline.
ScoreDescriptionStartProfileEnd
0 % Landing distance 1,181 ft121 % of runway.
77 % Runway alignment max 26.5 ft26.5 ft left to 0.0 ft left 18.0 26.5 ft
100 % Average g force 1.05 g0.89 g min to max 1.10 g 1.01 0.89 g
Info Average speed 38 kn32 kn min to max 41 kn 41 32 kn
Info Average pitch angle 11.2 °9.2 ° min to max 13.2 ° 9.2 12.8 °
Info Average bank angle 1.6 °0.7 ° min to max 2.3 ° 0.9 0.7 °

Events

Info Bounce during touchdown 3 ft agl · 45 kt
Runway Exit Exiting runway, average speed 17 kn
ScoreDescriptionStartProfileEnd
Info Average speed 14 kn3 kn min to max 29 kn 29 6 kn
Info Average pitch angle 13.3 °10.8 ° min to max 15.9 ° 12.8 15.4 °
Info Average bank angle 2.9 °0.5 ° min to max 7.5 ° 1.5 3.0 °
Info Average g force 0.98 g0.94 g min to max 1.08 g 1.02 1.00 g

Speed and pitch

From brake release to the end of the climb, against time, then the takeoff point by point.

Lifted off at 48 kt with 9.0° of pitch.

How to read this

Two traces from brake release: the airspeed on top, and below it the pitch, which is how far the nose is above the horizon. The figure at liftoff is the pitch then.

90 kt6030020°10°0°LIFTOFF9.0° off18° at 35 ftAIRSPEEDPITCH010 sfrom brake release
AirspeedPitch

The takeoff, point by point

PointSpeedPitchTime
Brake release0 ft 14 kt 11.7° 0 s
Liftoff361 ft 48 kt 9.0° 7.6 s
35 ft720 ft · 4.3 s after liftoff 57 kt 17.9° 11.9 s
End of the climb1,348 ft · 135 ft 65 kt 12.9° 19.4 s

Takeoff from C53 34

Takeoff roll100.00
529ft43 %
Liftoff speed100.00
48kt
Runway alignment93.03
11.6ft L
Bounce on takeoffOk
None
Rate of climb85.95
592fpm

Side view from the start of the roll to 135 ft.

Reached 35 ft with 340 ft of runway left; then climbing at 680 fpm on average to 135 ft.

How to read this

The takeoff from the side: the height above the runway against the distance along it. The numbers along the runway are the speeds reached at each point. Lifting off in the amber last quarter of the runway costs marks for the roll length.

500 ft250 ft0THRESHOLDRUNWAY END3040KNOTS ALONG THE ROLLLiftoff 48 kt
On the runwayClimbingLast quarter of the runway

Plan view the roll down the 1,232 ft runway.

Rolled from 172 ft in, drifted left of the centreline, 12 ft at the widest, and lifted off 12 ft right. Airborne 43 % of the way down the runway, before the 75 % line.

How to read this

The roll from above, with your left at the top. The line is where the wheels went, and "widest" is the furthest you drifted off the centreline. Lifting off before the amber 75 % line gets full marks for the roll length.

5001,000THRESHOLDLEFT ↑RIGHT ↓75 %widest 11.6 ft LROLL 172 FT INAirborne 533 ft from the threshold
Your trackRunway used in the rollCentreline75 %: lift off before it for full marks
Runway to liftoff 533 ft of 1,232 ft · 43 %
Behind the start of the roll, 172 ftTakeoff roll, 361 ft Left ahead, 699 ft

The approach to KCHI 29

The final from 4 nm.

Profile height against the 3° glideslope, with its 2° band in green.

High from 0.8 nm, where the final began, to 0.6 nm (up to 380 ft over), then back on it to the threshold.

How to read this

Your height above the runway against the distance still to go. The glideslope is the steady descent path to the aiming point, 1,000 ft past the threshold: 3° here, which is about 320 ft for every nautical mile out, crossing the threshold at about 50 ft. The row under the distances is the height it puts you at. Inside the green band your path is drawn green; outside it, amber.

5001,0001,5002,0002,500 ft4 nm3 nm2 nm1 nmTHRON SLOPE1,3301,0106903703° GLIDESLOPE · 2° BAND339
GlideslopeAllowed bandYou, inside the bandYou, outside itYour height there

Plan distance off the extended centreline, your left at the top, with the 1° band. Sideways distances are drawn 3× larger than distances along the final.

Joined 1,000 ft left of the centreline at 0.8 nm.

How to read this

Looking down from above, flying left to right towards the runway: up the page is left of the centreline, down is right. Sideways distances are stretched so that small drifts show, so a line that looks wild here may be only a few tens of feet. The labels are how far off you were at each distance, amber when outside the band.

4 nm3 nm2 nm1 nmTHR1000 ft L01000 ft RLEFT ↑RIGHT ↓1° BAND282 ft L
Extended centreline1° either sideYour trackOutside the band

Landing and touchdown on KCHI 29

Over the threshold

Threshold height67.29
35ft
Threshold speed0.00
56kt
Centreline offset0.00
9.3ft L

Touchdown

Past threshold100.00
833ft
Centreline80.93
23.1ft L
Speed100.00
47kt
Touchdown rate82.01
-221fpm
Impact100.00
1.13G
BouncesOk
None
The crosswind

Little crosswind (2 kt): nothing to correct for. Touched down with the nose 1° left of the track, wings level.

Wind 301° at 11 kt · 11 kt head · 2 kt across

How to read this

The wind is the one recorded at the landing, split along the runway (headwind or tailwind) and across it. To hold the centreline in a crosswind the nose points a little into wind - the crab - and is straightened with rudder just before the wheels touch, often with the into-wind wing lowered to stop the drift. These are the nose against the direction you were actually moving, and the wings, at the moment of touchdown. Shown for reading; not marked.

The stop

From 43 kt at touchdown to taxi speed (30 kt) in 7 s, an average deceleration of 0.11 g.

How to read this

Your ground speed from the moment the wheels touched until you were down to taxi speed, against the distance rolled. A steep line is hard braking, a shallow one a long, gentle roll. For scale, an airliner's lowest autobrake setting decelerates at about 0.15 g, a medium one about 0.3 g. Shown for reading; not marked.

020406030 kt · 402 fttouchdown418 ftkt
Your ground speed60 kt and taxi speed

Side view — the last 975 ft of the approach.

Crossed the threshold at 35 ft, 15 ft below the 50 ft target. Touched down 833 ft in, 167 ft short of the ideal 1,000 ft.

How to read this

The last stretch of the approach and the touchdown, from the side. The height is stretched so that the last few feet show: 80 ft top to bottom, against 975 ft across. The dashed line is the ideal, 50 ft over the threshold and down 1,000 ft in. The flare ring is where you began raising the nose, and "descent slowed" is where the sink came off; the figures beside them are the sink rate, pitch and speed at that point.

35 ft over the threshold · target 50 ft FLARE NORMALLY STARTS 11–45 FT 80 ft400 −220 fpm · 7.8° nose up · 48 kt Ideal — 50 ft, down at 1,000 ft This flight — 35 ft, down at 833 ft

Sink and pitch — through the flare, lined up with the side view.

The sink went from 360 fpm at 15 ft to 0 fpm at 10 ft, then back up to 220 fpm at touchdown. The nose came up 2.8° on the way down.

How to read this

Lined up with the side view above, so a point on one sits under the same point of the other. On top, how fast you were coming down: 0 is level, and −600 is 600 ft a minute down. Below, the pitch. In a flare the nose comes up and the descent slows towards 0. The figure at the touchdown line is your touchdown rate.

SINK RATE FPM · 0 IS LEVEL, LOWER IS COMING DOWN FASTERPITCH · HIGHER IS NOSE UP0−500−1,0000°5°10°touchdown−220 fpm at touchdown7.8° at touchdown
Sink ratePitchFlare began, descent slowedTouchdown

Plan view — the full 975 ft runway, to the same scale as the side view.

Touched down 18 ft left of the centreline, and stayed about there down the rollout, 23 ft left at the widest.

How to read this

The runway from above, with your left at the top. Touching down inside the green bracket scores full marks for the distance. The shaded part is the rollout, up to where it ended. The arrow beside the runway is the crosswind, pointing the way the air was moving, so it pushed the aircraft that way.

THRESHOLD LEFT ↑ RIGHT ↓ CROSS 2 kn FULL SCORE TO 1,650 FT 833 ft past threshold ROLLOUT ENDED
Your trackTouchdownRolloutCentreline

The 833 ft touchdown sits inside the full-score zone. The arrival was smooth.

Runway used 1,065 ft of 975 ft · 109 %
In the air over the runway, 833 ftRollout, 232 ft Left over, 0 ft
Rollout distance0.00
232ft109 % used
Rollout alignment77.38
26.5ft L

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