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MY FS FLIGHTS
Flight Score
Shorten the long landing
Ground effect becomes significant below about one wingspan of height. A Cessna 172, with a 36 ft span, enters ground effect at flare height - the float it feels in the hold-off is ground effect arriving on cue. An A320, with a span around 117 ft, has been in ground effect since before the threshold and there is no sudden cushion to feel, only a gradual reduction in induced drag that lengthens any float you allow.
Read more in Flare TimingStart to finish · 15 stages, 14 scored
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Two stabilised approach gates, each with six checks at 1,000 ft and 500 ft above the runway.
The approach, gate by gate
Side view — the last 1,554 m of the approach.
Plan view — the first 1,554 m of the 2,619 m runway, to the same scale as the side view.
Touched down 1,102 m past the threshold — beyond the full-score zone. The arrival was smooth.
The rest of the report
The aircraft taxied to runway 26 at KDKX Knoxville Downtown Island Airport and commenced the departure roll, using 760 m of runway which represented 72 % of the available length. Liftoff was achieved at 93 kt. Ambient conditions were a temperature of 32 °C with wind from 220° at 14 kt, providing an 11 kt headwind component and an 8 kt cross-wind component.
Climb began once the aircraft was overhead Knoxville, Tennessee, and the flight ascended from 1,926 ft asl to 3,079 ft asl, a gain of 1,153 ft achieved in 1 minute while covering 1 nm.
Level cruise was established approximately 1 mile southwest of Knoxville. The cruise segment lasted 3 minutes and the aircraft progressed 9 nm before beginning descent.
The final approach to runway 23L at KTYS McGhee Tyson Airport was flown from the northeast on a heading of 252.0° at 2 nm and 1,698 ft agl. Weather at the destination was again 32 °C with wind from 220° at 14 kt, yielding a 14 kt headwind and a 1 kt cross-wind component.
Landing on runway 23L, whose total length is 2,625 m, occurred with a threshold height at 175 ft agl that was noted as excessively over target and a threshold speed of 128 kt that was excessively high. Touchdown was recorded 662 m beyond the designated touchdown zone at a speed of 85 kt; the vertical speed at touchdown was minus 161 fpm and alignment was perfect. The total landing distance measured 1,449 m, representing 55 % of the runway, and the rollout alignment was offset by 46.2 m from the centreline.
Rollout continued after touchdown, during which the aircraft’s centreline deviation of 46.2 m was observed before the pilot exited the runway.
The aircraft taxied from the runway to parking in 1 minute, covering less than 1 nm.
In total the flight covered 15 nm, required 7 minutes of elapsed time, and consumed 15 kg of fuel.
Aircraft M500 conducted the final approach to runway 23L at KTYS McGhee Tyson Airport from the north-east, maintaining a heading of 252.0° at 2 nm and 1,698 ft agl. Local weather was temperature 32 °C with wind 14 kt from 220°, a crosswind component of 1 kt and a headwind component of 14 kt.
At the threshold the aircraft was at 175 ft agl, which was excessively over target, and the threshold speed was excessively high at 128 kt.
Touchdown occurred 662 m beyond the touchdown zone with a speed of 85 kt, described as a little fast, while the vertical rate was good at minus 161 fpm and runway touchdown alignment was perfect.
The total landing distance measured 1,449 m, representing 55 % of the runway length, and rollout alignment was excessively misaligned by 46.2 m from the centreline.
With a score of 62.4 %, focus on reducing the excessive threshold height and speed to bring the approach closer to target parameters, and on correcting the rollout path to eliminate the 46.2 m lateral deviation.
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