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MY FS FLIGHTS
Flight Score
Know your rotation speed
See Departure Roll
A typical trainer rotates in the mid-50s of knots - a 172 at around 55 KIAS, climbing out at a Vy in the low 70s, though check your own POH rather than memorising Cessna's numbers - and the transferable rule is that Vr sits just above the stall speed in takeoff configuration. Rotate early because "it felt ready" and the aircraft lifts off inside ground effect, where induced drag is reduced, then climbs out of it into more drag. On a marginal-performance day the result is an aircraft that lifts off and then refuses to climb, sagging back towards the runway.
Read more in Improve Your Take-OffsStart to finish · 12 stages, 10 in the score
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From brake release to the end of the climb, against time, then the takeoff point by point.
Lifted off at 206 kt with 3.6° of pitch. Climb 3 averaged 328 kt, 94 kt under its 422 kt target.
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. The shaded stretch is Climb 3, the part of the climb scored on holding the climb speed.
The takeoff, point by point
Side view from the start of the roll to the end of Climb 3 at 883 ft.
Reached 35 ft with 775 m of runway left; gear up at 63 ft, inside the 400 ft that gets full marks; then climbing at 3,790 fpm on average to 883 ft.
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.
Plan view the roll down the 1,921 m runway.
Rolled from 48 m in, drifted 3.7 m left of the centreline and was back on it to lift off. Airborne 42 % of the way down the runway, before the 75 % line.
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 threshold, the flare and the hold-off. The approach that led to it is the stabilisation gates below.
The final from 4 nm.
Profile height against the 3° glideslope, with its 1° band in green.
High from 4 nm to 2.4 nm (up to 1,080 ft over), then back on it to 0.6 nm, then low to 0.3 nm (up to 100 ft under), then back on it to the threshold.
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.
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 1,090 m right of the centreline, then inside the band from 3.0 nm to the threshold.
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.
The rest of the report
The Eurofighter Typhoon taxied from its parking position to runway 01 at KJAC Jackson Hole Airport in eight minutes, covering less than 1 nm while taxiing.
During the departure roll on runway 01, the aircraft used 892 m of runway, representing 46 % of the available length, and lifted off at 212 kt. Ambient conditions were 4 °C with a wind of 2 kt from 44°, including a 1 kt cross-wind and a 2 kt head-wind.
Climb commenced one mile north of KJAC, with the jet accelerating from 7,047 ft asl to 7,331 ft asl, an altitude gain of 284 ft achieved in two minutes while covering 19 nm.
The descent phase began at 1,903 ft agl and proceeded to 66 ft agl in 59 seconds, meeting the required profile for the final approach.
On final approach to runway 01, the aircraft satisfied the stabilisation gates, confirming compliance with the approach criteria.
Landing was executed on runway 01, which is 1,921 m long. The threshold speed was recorded at an excessively high 174 kt, and touchdown occurred 126 m beyond the touchdown zone at a speed of 146 kt. The touchdown rate was minus 510 fpm and the aircraft was laterally offset by 4.3 m from the centreline. Weather at the time mirrored the departure conditions: 4 °C, wind 2 kt from 45°, with a 1 kt cross-wind and a 2 kt head-wind.
Rollout covered a total landing distance of 1,212 m, equivalent to 63 % of the runway, and alignment during the rollout was reported as very good.
In total, the flight covered 26 nm, took eight minutes, and consumed 515 kg of fuel.
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