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KSGU
St George, United States
Runway 19
Elevation2,831 ft asl
Weight3,525 kg
Fuel340 kg
Wind120° · 5 kn · 5 kn cross

Flight Score

88.92 %
KGCN
Grand Canyon - Tusayan, United States
Runway 21
Elevation6,532 ft asl
Weight3,390 kg
Fuel159 kg
WindCalm
10 Sep 2026 0:35 112 nm North American Rockwell OV-10 Bronco 181 kg
Departure Score
94.15 %
Enroute Score
95.69 %
Arrival Score
76.93 %

What went well

Rollout controlled — 36 % of the runway used
Rollout held the centreline — 2.64 m off at taxi speed
Rotated at 94 kt — on the 91 kt rotation target

What held you back

Arrival Approach — 300 ft gate 43 %, −3.81 points
Arrival Landing — Runway alignment max 15.88 m left at 65 %, Threshold speed was too high at 116 kt at 66 %, −1.33 points
Arrival Touchdown — Touchdown distance was 991 m at 0 %, Runway alignment max 14.40 m left at 69 %, −1.31 points

Next time

Departure

Use smaller, smoother aileron inputs to hold the climb bank angle near wings-level.

What happened: During Climb 3 the bank angle averaged 13°, well beyond a steady wings-level climb.

Watch for: Attitude indicator - bank angle, keeping it close to wings-level through the climb.

See Departure Climb 3

Arrival

Reduce power on approach to bring the threshold speed back to 93 kt.

What happened: Threshold speed was fast at 115 kt against 93 kt, the flare then started early at 98 ft, and the touchdown usually follows long - this flight's touchdown was 991 m past the aim point, 534 m beyond target.

Watch for: Airspeed indicator: 93 kt at the threshold

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 · 20 stages, 19 in the score

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 90.00Taxiing from the parking to the runway took 18 minutes and covered 4 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 12 kt0 kt min to max 24 kt 0 23 kt
100 % Average speed turning corners 13 ktmax 23 kt 0 23 kt
100 % Average g force 1.00 g0.97 g min to max 1.02 g 1.00 1.01 g
Info Average pitch angle -1.4 °-3.2 ° min to max -0.8 ° -0.8 -1.8 °
Info Average bank angle 0.1 °0.0 ° min to max 0.8 ° 0.2 0.0 °

Events

Fail Taxi Lights
Info Battery Master On 6 ft agl
Info Engine 1 Started 6 ft agl
Info Autopilot Master Switched On 6 ft agl
Info Autopilot Avionics Managed Activated 6 ft agl
Info Landing Gear Down 6 ft agl
Info Parking Brake On 6 ft agl
Info Engine 2 Started 6 ft agl
Info Parking Brake Off 6 ft agl
Departure Roll 95.00Departure roll runway 19 at KSGU St George Regional Airport. Takeoff distance 662 m 23 % of runway. Rotation speed was 94 kt. Local weather - Temperature 23 °C. Wind 5 kt at 120 °. Crosswind: 5 kt Headwind: 1 kt.
ScoreDescriptionStartProfileEnd
100 % Takeoff distance 662 m23 % of runway
100 % Rotation speed was 94 ktTarget 91 kt
100 % Runway alignment max 3.40 m left3.40 m left to 3.03 m right 1.86 0.31 m
100 % Average g force 1.01 g0.99 g min to max 1.07 g 1.00 1.07 g
100 % Takeoff Bounce
Info Average pitch angle -1.7 °-2.4 ° min to max 5.9 ° -2.0 5.9 °
Info Average bank angle 0.3 °0.0 ° min to max 1.4 ° 0.2 0.5 °

Events

Fail Landing Lights
Departure Climb 1 99.94Departure climb to 50 ft agl from runway 19 KSGU St George Regional Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.3 °-0.6 ° min to max -0.1 ° -0.1 -0.6 °
100 % Average speed 108 kt105 kt min to max 111 kt 105 111 kt
100 % Average bank angle 1.8 °0.7 ° min to max 3.2 ° 0.7 2.1 °
99 % Average g force 1.14 g0.80 g min to max 1.44 g 1.11 0.85 g
Info Average VSI 744 fpm333 fpm min to max 930 fpm 333 835 fpm
Info Average altitude 9 ft agl0 ft agl min to max 32 ft agl 0 32 ft agl
Info Average pitch angle 9.0 °6.6 ° min to max 10.9 ° 6.6 7.1 °

Events

Info Landing Gear Up 51 ft agl · 118 kt
Departure Climb 2 99.97Departure climb to 400 ft agl from 19 KSGU St George Regional Airport.
ScoreDescriptionStartProfileEnd
100 % Heading variation -0.7 °-0.9 ° min to max 0.4 ° -0.7 0.4 °
100 % Average speed 123 kt111 kt min to max 170 kt 111 170 kt
100 % Average bank angle 1.9 °0.1 ° min to max 3.1 ° 1.7 1.2 °
99.7 % Average g force 1.00 g0.76 g min to max 1.28 g 0.88 1.00 g
Info Average VSI 801 fpm54 fpm min to max 1,511 fpm 822 1,511 fpm
Info Average altitude 94 ft agl33 ft agl min to max 371 ft agl 33 371 ft agl
Info Average pitch angle 6.9 °1.2 ° min to max 8.6 ° 7.5 6.2 °
Departure Climb 3 85.84Departure climb to 1,000 ft agl from 19 KSGU St George Regional Airport.
ScoreDescriptionStartProfileEnd
100 % Climb speed 177 kt172 kt min to max 180 ktTarget 161 kt, 16 kt fast 172 177 kt
31 % Average bank angle 13.3 °0.7 ° min to max 38.7 ° 2.1 38.7 °
96 % Average g force 1.10 g0.95 g min to max 1.44 g 1.01 1.44 g
100 % Landing gear up at 23 ft aglTarget by 400 ft agl
Info Heading variation 0.8 °0.4 ° min to max 1.2 ° 0.5 0.4 °
Info Average VSI 2,130 fpm1,643 fpm min to max 3,304 fpm 1,665 3,304 fpm
Info Average altitude 624 ft agl403 ft agl min to max 920 ft agl 403 920 ft agl
Info Average pitch angle 8.2 °5.2 ° min to max 14.4 ° 6.0 14.4 °
Enroute Climb 96.30Enroute climb started 1 mile south of KSGU St George Regional Airport St George (Utah, United States). Climbing from 3,683 ft asl to 12,634 ft asl, an increase of 8,952 ft in 4 minutes and covering 13 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 168 kt160 kt min to max 175 kt 174 168 kt
91 % Average bank angle 15.3 °0.2 ° min to max 44.6 ° 38.8 19.5 °
99.8 % Average g force 1.03 g0.43 g min to max 1.37 g 1.33 0.99 g
Info Average VSI 2,608 fpm167 fpm min to max 3,884 fpm 3,496 167 fpm
Info Average altitude 7,849 ft asl3,683 ft asl min to max 12,634 ft asl 3,683 12,634 ft asl
Info Average pitch angle 9.2 °0.9 ° min to max 16.1 ° 14.4 0.9 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 99.99Enroute level cruise started 7 miles south of UT47 Grassy Meadows/Sky Ranch Landowners Assn Airport Hurricane (Utah, United States) and lasted 2 minutes, covering 6 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±1,132 ft of 12,509 ft asl12,329 ft asl min to max 12,709 ft asl 12,636 12,709 ft asl
100 % Average speed 188 kt170 kt min to max 193 kt 170 189 kt
100 % Average bank angle 15.2 °1.4 ° min to max 28.0 ° 21.4 4.7 °
99.9 % Average g force 1.04 g0.82 g min to max 1.33 g 0.98 0.98 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 0.7 °-3.4 ° min to max 4.9 ° 0.4 2.0 °
Enroute Climb 2 99.88Enroute climb started 6 miles west of KAZC Colorado City Municipal Airport Colorado City (Arizona, United States). Climbing from 12,779 ft asl to 13,559 ft asl, an increase of 780 ft in 2 minutes and covering 6 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 183 kt176 kt min to max 189 kt 189 185 kt
100 % Average bank angle 17.8 °0.8 ° min to max 32.2 ° 4.0 5.5 °
99 % Average g force 1.06 g0.74 g min to max 1.56 g 1.08 1.02 g
Info Average VSI 580 fpm-173 fpm min to max 2,588 fpm 170 21 fpm
Info Average altitude 13,233 ft asl12,779 ft asl min to max 13,559 ft asl 12,779 13,559 ft asl
Info Average pitch angle 2.2 °-0.2 ° min to max 8.4 ° 1.5 0.7 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 2 100.00Enroute level cruise started 2 miles south west of Centennial Park (Arizona, United States) and lasted 2 minutes, covering 7 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±1,178 ft of 13,600 ft asl13,415 ft asl min to max 13,704 ft asl 13,560 13,687 ft asl
100 % Average speed 192 kt185 kt min to max 196 kt 185 194 kt
100 % Average bank angle 4.3 °0.5 ° min to max 8.2 ° 6.1 1.1 °
100 % Average g force 1.01 g0.98 g min to max 1.03 g 0.98 1.03 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle 0.1 °-0.6 ° min to max 1.8 ° 0.4 0.6 °
Enroute Climb 3 99.99Enroute climb started 4 miles south of Cane Beds (Arizona, United States). Climbing from 13,738 ft asl to 17,155 ft asl, an increase of 3,417 ft in 8 minutes and covering 34 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 186 kt173 kt min to max 197 kt 192 173 kt
100 % Average bank angle 8.3 °0.1 ° min to max 20.2 ° 2.1 3.0 °
99.9 % Average g force 1.02 g0.94 g min to max 1.43 g 1.03 0.94 g
Info Average VSI 461 fpm-1,146 fpm min to max 1,448 fpm 571 476 fpm
Info Average altitude 15,018 ft asl13,738 ft asl min to max 17,155 ft asl 13,738 17,155 ft asl
Info Average pitch angle 1.7 °-2.5 ° min to max 4.2 ° 2.0 1.4 °
Info Turn coordination 00 min to max 0 0 0
Enroute Level 3 100.00Enroute level cruise started 15 miles west of KGRM Devil's Track Airport Grand Marias (Arizona, United States) and lasted 2 minutes, covering 6 nm.
ScoreDescriptionStartProfileEnd
100 % Altitude held within ±1,358 ft of 17,244 ft asl17,086 ft asl min to max 17,363 ft asl 17,159 17,086 ft asl
100 % Average speed 182 kt177 kt min to max 186 kt 177 186 kt
100 % Average bank angle 4.3 °0.0 ° min to max 16.9 ° 2.2 1.3 °
100 % Average g force 0.98 g0.81 g min to max 1.28 g 1.01 1.06 g
Info Turn coordination 00 min to max 0 0 0
Info Average pitch angle -0.1 °-3.2 ° min to max 1.8 ° 0.2 0.1 °
Enroute Climb 4 99.99Enroute climb started 11 miles west of KGRM Devil's Track Airport Grand Marias (Arizona, United States). Climbing from 17,080 ft asl to 18,392 ft asl, an increase of 1,313 ft in 2 minutes and covering 6 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 171 kt166 kt min to max 184 kt 184 179 kt
100 % Average bank angle 10.5 °0.5 ° min to max 20.9 ° 17.7 1.8 °
99.9 % Average g force 1.02 g0.89 g min to max 1.50 g 1.50 1.01 g
Info Average VSI 1,194 fpm-477 fpm min to max 2,322 fpm 784 -34 fpm
Info Average altitude 18,003 ft asl17,080 ft asl min to max 18,492 ft asl 17,080 18,392 ft asl
Info Average pitch angle 3.8 °-1.9 ° min to max 7.5 ° 5.2 0.3 °
Info Turn coordination 00 min to max 0 0 0
Enroute Descent 69.59Enroute descent started 8 miles south west of KGRM Devil's Track Airport Grand Marias (Arizona, United States). Descent from 18,408 ft asl to 5,072 ft asl, a decrease of 13,336 ft in 3 minutes and covering 14 nm.
ScoreDescriptionStartProfileEnd
87 % Average speed 248 kt176 kt min to max 306 kt 180 200 kt
38 % Average bank angle 23.9 °0.3 ° min to max 70.8 ° 2.7 2.6 °
93 % Average g force 1.13 g0.11 g min to max 1.93 g 1.02 0.93 g
Info Average VSI -7,230 fpm-18,563 fpm min to max 1,708 fpm 254 547 fpm
Info Average altitude 11,022 ft asl4,871 ft asl min to max 18,532 ft asl 18,408 5,072 ft asl
Info Average pitch angle -12.8 °-32.0 ° min to max 4.4 ° 1.1 1.1 °
Info Turn coordination 00 min to max 0 0 0

Events

Fail Exceeded 250 kn below 10000 ft 9,421 ft agl
Enroute Climb 5 95.47Enroute climb started 7 miles north east of Grand Canyon (Arizona, United States). Climbing from 5,080 ft asl to 8,126 ft asl, an increase of 3,045 ft in 4 minutes and covering 12 nm.
ScoreDescriptionStartProfileEnd
100 % Average speed 165 kt124 kt min to max 199 kt 198 146 kt
90 % Average bank angle 14.4 °0.1 ° min to max 45.2 ° 2.9 2.1 °
97 % Average g force 1.02 g0.35 g min to max 1.72 g 0.98 0.91 g
Info Average VSI 921 fpm-4,587 fpm min to max 5,114 fpm 386 -3,636 fpm
Info Average altitude 8,121 ft asl5,080 ft asl min to max 10,912 ft asl 5,080 8,126 ft asl
Info Average pitch angle 4.0 °-13.9 ° min to max 23.8 ° 1.5 -11.0 °
Info Turn coordination 00 min to max 0 0 0

Events

Info Landing Gear Down 4,477 ft agl · 177 kt
Arrival Approach 42.86Final approach to runway 21 at KGCN Grand Canyon National Park Airport. Descent from 1,651 ft agl to -207 ft agl in 32 seconds. Scored on the stabilisation gates.
ScoreDescriptionStartProfileEnd
100 % Gear downpassed
0 % Landing flapfailed
0 % Sink ratefailed
0 % On glideslopefailed
100 % On centrelinepassed
0 % On speedfailed
100 % Wings levelpassed
Arrival Landing 80.04Landing on runway 21 at KGCN Grand Canyon National Park Airport, runway length 2,745 m. Good threshold height. Threshold speed was too high at 116 kt.
ScoreDescriptionStartProfileEnd
66 % Threshold speed was too high at 116 kt. Target 93 kt
100 % Good threshold height.Target 50 ft agl
69 % The flare wandered off the target profile. The flare began at 98 ft agl above the runway, higher than this aircraft wants. Touchdown was 991 m past the threshold. Hold the aim point and let the runway come to you rather than anticipating the flare.
65 % Runway alignment max 15.88 m left15.88 m left to 14.13 m left 14.13 14.40 m
100 % Average bank angle 0.7 °0.0 ° min to max 1.7 ° 1.6 0.7 °
99 % Average g force 1.03 g0.84 g min to max 1.27 g 0.98 0.99 g
Info Average speed 104 kt93 kt min to max 116 kt 116 93 kt
Info Average VSI -258 fpm-560 fpm min to max -20 fpm -556 -270 fpm
Info Average altitude -33 ft agl-53 ft agl min to max -9 ft agl -9 -53 ft agl
Info Average pitch angle 4.1 °1.4 ° min to max 5.9 ° 1.5 3.9 °
0751502253003754505256006757508259009751,0501,1251,20004.959.9152025Runway Distance mLanding Height ft0751502253003754505256006757508259009751,0501,1251,200-25-20-15-10-50510152025Runway Distance mRunway Width m
Arrival Touchdown 77.87Touchdown point was 566 m beyond the touchdown zone. Touchdown speed at 93 kt was a little fast. Touchdown rate was fair at -215 fpm. Runway touchdown position was misaligned by 14.4 m from centreline. Local weather - Temperature 22 °C. .
ScoreDescriptionStartProfileEnd
88 % Touchdown rate was -215 fpm.
0 % Touchdown distance was 991 mTarget 457 m
100 % Speed at touchdown 93 ktTarget below 91 kt
69 % Runway alignment max 14.40 m left14.14 m left 14.40 13.86 m
100 % Average bank angle 0.2 °0.0 ° min to max 0.7 ° 0.7 0.1 °
98 % Average g force 1.05 g0.96 g min to max 1.28 g 0.99 1.00 g
100 % Landing Bounce
Info Average speed 93 kt92 kt min to max 93 kt 93 92 kt
Info Average pitch angle 3.3 °2.9 ° min to max 3.9 ° 3.9 2.9 °
Arrival Rollout 98.07Total landing distance 1,023 m, 37 % of runway. Runway rollout alignment was slightly misaligned by 8.1 m from centreline.
ScoreDescriptionStartProfileEnd
100 % Landing distance 1,023 m37 % of runway.
96 % Runway alignment max 8.09 m left8.09 m left to 0.00 m left 8.09 2.64 m
100 % Average g force 1.00 g0.97 g min to max 1.03 g 1.01 0.98 g
Info Average speed 99 kt65 kt min to max 104 kt 104 65 kt
Info Average pitch angle -0.8 °-3.4 ° min to max 2.8 ° 2.8 -3.4 °
Info Average bank angle 0.1 °0.0 ° min to max 0.6 ° 0.1 0.3 °
Runway Exit Exiting runway, average speed 18 kt
ScoreDescriptionStartProfileEnd
Info Average speed 20 kt5 kt min to max 46 kt 46 20 kt
Info Average pitch angle -2.6 °-4.4 ° min to max -1.2 ° -3.2 -4.4 °
Info Average bank angle 0.2 °0.0 ° min to max 1.0 ° 0.3 0.3 °
Info Average g force 1.00 g0.96 g min to max 1.02 g 0.97 0.99 g
Arrival Taxi 85.80Taxiing to the parking from the runway took 1 minutes and covered less than 1 nm.
ScoreDescriptionStartProfileEnd
77 % Average speed 16 kt0 kt min to max 35 kt 11 6 kt
100 % Average speed turning corners 11 ktmax 30 kt 0 6 kt
100 % Average g force 1.00 g0.97 g min to max 1.02 g 0.97 1.00 g
Info Average pitch angle -1.7 °-4.2 ° min to max -0.4 ° -4.1 -0.9 °
Info Average bank angle 0.3 °0.0 ° min to max 0.8 ° 0.3 0.0 °

Events

Fail Taxi Lights

Speed and pitch

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

Rotated at 94 kt, 3 kt above the 91 kt target, and lifted off at 104 kt 2.9 s later, the nose coming up at 2.7° a second. Climb 3 averaged 177 kt, 16 kt over its 161 kt target.

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 dashed green line is the speed to rotate at for this aircraft at its weight, and the green dot is where the nose started to come up. The figures at liftoff are the pitch then and how fast the nose came up, in degrees a second. The shaded stretch is Climb 3, the part of the climb scored on holding the climb speed.

Climb 3 target 161210 kt14070020°10°0°ROTATELIFTOFFtarget 915.5° off · 2.7°/s8° at 35 ftAIRSPEEDPITCH02040 sfrom brake release
AirspeedPitchRotation speed targetRotation beganClimb 3

The takeoff, point by point

PointSpeedPitchTime
Brake release0 m 23 kt -2.0° 0 s
Rotate452 m · target 91 94 kt -2.1° 13.6 s
Liftoff608 m · +10 kt from rotation 104 kt 5.5° 16.5 s
Gear up764 m · 23 ft · full marks to 400 ft 110 kt 6.6° 19.2 s
35 ft815 m · 3.5 s after liftoff 111 kt 8.1° 20.0 s
Climb 32,650 m · 403 ft to 920 ft · target 161 177 kt avg 6.0° 43.8 s
End of Climb 33,915 m · 920 ft 177 kt 14.4° 56.6 s

Takeoff from KSGU 19

Taxi lightsFail
Off
Takeoff roll100.00
662m23 %
Rotation speed100.00
94kttarget 91, 3 fast
Liftoff speed
104kt
Runway alignment100.00
3.40m L
Bounce on takeoffOk
None
Gear up100.00
23ftfull marks to 400 ft
Climb 3 speed100.00
177kttarget 161
Rate of climb99.94
743fpm

Side view from the start of the roll to the end of Climb 3 at 920 ft.

Reached 35 ft with 1,970 m of runway left; gear up at 23 ft, inside the 400 ft that gets full marks; then climbing at 1,380 fpm on average to 920 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. The gear-up ring is coloured by its mark. The shaded stretch is Climb 3, scored on its average speed against the target.

1,000 ft500 ft0CLIMB 3177 kt avgtarget 161THRESHOLDRUNWAY END304050607080KNOTS ALONG THE ROLLRotate 94 kttarget 91Liftoff 104 ktGear up 23 ftfull marks to 400 ft
On the runwayClimbingLast quarter of the runwayGear upClimb 3

Plan view the roll down the 2,836 m runway.

Rolled from 51 m in, drifted 6.8 m left of the centreline and was back on it to lift off, in 5 kn of crosswind from the left. Airborne 23 % 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. The arrow beside the runway is the crosswind, pointing the way the air was moving, so it pushed the aircraft that way.

1,0002,000THRESHOLDLEFT ↑RIGHT ↓CROSS5 kn75 %widest 6.77 m LROLL 51 M INAirborne 659 m from the threshold
Your trackRunway used in the rollCentreline75 %: lift off before it for full marks
Runway to liftoff 659 m of 2,836 m · 23 %
Behind the start of the roll, 51 mTakeoff roll, 608 m Left ahead, 2,177 m

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 42.863 of 7
Gear down
Landing flap
Sink rate4,230 fpm
On glideslope11.2°
On centreline0.2° off
On speed+48 kt
Wings level2° bank

At the 300 ft gate: no landing flap set, sink rate more than 600 fpm beyond what the glideslope needed, glideslope more than 1° off the runway's 3° and speed more than 11 kt above the approach speed of 93 kt.

When the approach was stable

Never every check met at once: high all the way, fast all the way, left of the centreline until 1.5 nm, banked until 1.5 nm, sinking too fast from 3.5 nm to the threshold.

How to read this

Each line is one of the gate checks, run along the whole final rather than only at the gates: green where it would have passed, amber where it would not. The glideslope, centreline and speed lines use the bands in the charts beside this card. The sink rate is allowed what the glideslope needs at your ground speed plus 600 fpm, the wings 10° of bank, and the gear and flap are read from when you moved the levers. The bottom line is green where every check held at once, ignoring blips shorter than 0.2 nm, and the sentence above it says from where it held to the threshold. A ring is a stabilisation gate, where the checks in the table were taken.

Gear downSink rateOn glideslopeOn centrelineOn speedWings levelAll checks4 nm321THR
Check metNot metStabilisation gate

The approach to KGCN 21

The final from 4 nm, with the stabilisation gates on it.

Profile height against the 3° glideslope, with its 1° band in green.

High from 4 nm to the threshold (up to 3,410 ft over).

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, 305 m 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. A ring is a stabilisation gate: green when every check there passed, amber with the failed checks named beside it.

1,0002,0003,0004,000 ft4 nm3 nm2 nm1 nmTHRON SLOPE1,3301,0106903703° GLIDESLOPE · 1° BAND4,6854,0161,955704300 ft gate3 of 7landing flapsink rateon glideslopeon speed1,259 ft · 141 kt
GlideslopeAllowed bandYou, inside the bandYou, outside itYour height thereStabilisation gate

Plan distance off the extended centreline, your left at the top, with the 1° band. Sideways distances are drawn 4× larger than distances along the final.

Inside the 1° band from 4 nm to 1.8 nm, then drifted 76 m left between 1.8 and 1.5 nm, then inside the band from 1.5 nm to the threshold.

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 nmTHR232 m L0232 m RLEFT ↑RIGHT ↓1° BAND93 m R48 m L37 m L2 m R6 m L
Extended centreline1° either sideYour trackOutside the bandStabilisation gate

Speed against the approach speed. The green band runs from 5 kt slow to 23 kt fast at the 1,000 ft gate, closing to 14 at 500 ft and 10 at the threshold.

Fast from 4 nm to the threshold (up to +58 kt).

How to read this

Your indicated airspeed down the final, against the approach speed for this aircraft at its landing weight. The band allows 5 kt slow and more on the fast side further out, closing as you get lower, because the speed is expected to come off on the way down. The figures are knots above (+) or below (−) the approach speed.

80100120140160 kt4 nm3 nm2 nm1 nmTHRAPPROACH SPEED 93+58 kt+48 kt+53 kt+45 kt+35 kt
Your airspeedApproach speedWhat the gates allowOutside the bandStabilisation gate

Landing and touchdown on KGCN 21

Over the threshold

Threshold height100.00
-9ft
Threshold speed65.75
115kttarget 93, 22 fast
Centreline offset65.25
15.88m L

Touchdown

Past threshold0.00
991m
Centreline68.76
14.40m L
Speed100.00
93kttarget 90, 3 fast
Touchdown rate88.22
-215fpm
Impact98.29
1.28G
BouncesOk
None
The flare68.53

The flare wandered off the target profile. The flare began at 98 ft agl above the runway, higher than this aircraft wants. Touchdown was 991 m past the threshold. Hold the aim point and let the runway come to you rather than anticipating the flare.

The crosswind

Calm: nothing to correct for. Touched down straight, wings level.

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 106 kt at touchdown to taxi speed (30 kt) in 13 s, an average deceleration of 0.31 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.

0408012060 kt · 456 m30 kt · 492 mtouchdown512 mkt
Your ground speed60 kt and taxi speed

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

Began the flare high, at 98 ft, 62 m before the threshold; ballooned 4 ft from 15 ft. Touched down 991 m in, 686 m past the ideal 305 m.

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 1,524 m across. The dashed line is the ideal, 50 ft over the threshold and down 305 m 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.

-9 ft over the threshold · target 50 ft FLARE NORMALLY STARTS 11–45 FT held off 519 m from the lowest point 80 ft400 Flare began at 98 ft, 62 m before the threshold−1,800 fpm · −2.5° · 128 ktballooned +4 ft · from 15 ft to 19 ft−214 fpm · 3.9° nose up · 93 kt Ideal — 50 ft, down at 305 m This flight — -9 ft, down at 991 m

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

From the flare the descent stopped and turned into a climb of 200 fpm before coming down at 210 fpm to touch. The nose came up 6.4° 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°descent slowedtouchdown−214 fpm at touchdown3.9° at touchdown, +6.4° from the flareclimbing 203 fpm
Sink ratePitchFlare began, descent slowedTouchdown

Plan view — the first 1,524 m of the 2,745 m runway, to the same scale as the side view.

Touched down 14 m left of the centreline, and steered back to 5.3 m left by the end of the rollout.

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.

5001,0001,500 THRESHOLD LEFT ↑ RIGHT ↓ FULL SCORE TO 503 M 991 m past threshold ROLLOUT ENDED
Your trackTouchdownRolloutCentreline

Touched down 991 m past the threshold — beyond the full-score zone. The arrival was smooth.

Runway used 1,355 m of 2,745 m · 49 %
In the air over the runway, 991 mRollout, 364 m Left over, 1,390 m
Rollout distance100.00
364m36 % used
Rollout alignment95.71
8.09m L

The rest of the report

Explore in detail

Flight narrative

The aircraft taxied from the parking area to runway 19 at KSGU St George Regional Airport, a movement that required 18 minutes and covered 4 nm.

During the departure roll on runway 19, the OV-10 Bronco accelerated over a takeoff distance of 662 m, representing 23 % of the runway, and lifted off at 105 kt; ambient temperature was 23 °C with a wind of 5 kt from 120°, including a 5 kt cross-wind component and a 1 kt head-wind.

The first en-route climb began 1 mile south of KSGU, climbing from 3,683 ft asl to 12,634 ft asl, an altitude gain of 8,952 ft achieved in 4 minutes while traversing 13 nm.

A level cruise segment commenced 7 miles south of UT47 Grassy Meadows/Sky Ranch Landowners Assn Airport, lasting 2 minutes and covering 6 nm.

The second climb started 6 miles west of KAZC Colorado City Municipal Airport, rising from 12,779 ft asl to 13,559 ft asl, a gain of 780 ft in 2 minutes over a distance of 6 nm.

A subsequent cruise phase began 2 miles southwest of Centennial Park, persisted for 2 minutes and spanned 7 nm.

The third climb was initiated 4 miles south of Cane Beds, increasing altitude from 13,738 ft asl to 17,155 ft asl, a climb of 3,417 ft completed in 8 minutes across 34 nm.

Following that, a cruise segment started 15 miles west of KGRM Devil’s Track Airport, lasted 2 minutes and covered 6 nm.

The fourth climb began 11 miles west of KGRM Devil’s Track Airport, climbing from 17,080 ft asl to 18,392 ft asl, an ascent of 1,313 ft in 2 minutes while traveling 6 nm.

A descent segment commenced 8 miles southwest of KGRM Devil’s Track Airport, descending from 18,408 ft asl to 5,072 ft asl, a loss of 13,336 ft in 3 minutes and covering 14 nm.

The aircraft then performed a climb 7 miles northeast of the Grand Canyon, rising from 5,080 ft asl to 8,126 ft asl, an increase of 3,045 ft over 4 minutes and 12 nm.

On final approach to runway 21 at KGCN Grand Canyon National Park Airport, the aircraft approached from the northeast on a heading of 222.0° at 1 nm and 1,535 ft agl.

Landing on runway 21, whose length is 2,743 m, the threshold speed was recorded at 116 kt; touchdown occurred 201 m beyond the touchdown zone at a speed of 93 kt, with a touchdown rate of minus 270 fpm and a lateral deviation of 13.8 m from the centreline. Local temperature was 22 °C, and the total landing distance measured 1,023 m, equivalent to 37 % of the runway.

Rollout alignment was noted as slightly off centreline by 13.2 m as the aircraft decelerated after touchdown.

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

In total, the flight covered 112 nm, lasted 35 minutes, and consumed 181 kg of fuel.

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