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MY FS FLIGHTS
Flight Score
Shorten the long landing
The one change that would have gained the most on this flight, and the guide passage for it.
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 · 21 stages, 19 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 1,524 m of the approach.
Plan view — the first 1,524 m of the 3,989 m runway, to the same scale as the side view.
Touched down 663 m past the threshold — beyond the full-score zone. The arrival was smooth.
The rest of the report
The Boeing 737-600 taxied from the parking area to the departure runway in 3 minutes, covering less than 1 nm.
The aircraft departed OEDF King Fahd International Airport on runway 34L, accelerating for a take-off roll of 2,861 m which represented 71 % of the runway length. Liftoff was achieved at 140 kt. Ambient conditions were 52 °C with a wind of 9 kt from 0°, a 2 kt cross-wind component and a 9 kt head-wind component.
Climb commenced approximately 1 mile north-west of OEDF, with the airplane climbing from 1,021 ft asl to 40,852 ft asl - an increase of 39,831 ft - over 48 minutes while covering 354 nm.
The first cruise segment began 6 miles north-east of OIKQ Qeshm Dayrestan International Airport and continued for 236 minutes, during which 1,839 nm were flown at level altitude.
Descent started 23 miles north of Jiangzi, China, with the aircraft descending from 40,992 ft asl to 17,878 ft asl - a loss of 23,114 ft - in 10 minutes while traversing 79 nm.
A brief cruise phase followed, initiating 19 miles east of ZULS Lhasa Gonggar Airport and lasting 2 minutes for a distance of 7 nm.
The next descent began 21 miles east of ZULS, with altitude decreasing from 17,523 ft asl to 14,270 ft asl - a reduction of 3,253 ft - in 3 minutes and covering 10 nm.
A further cruise segment started 12 miles east of ZULS, lasting 3 minutes and adding another 7 nm to the flight path.
During final approach the aircraft aligned with runway 27 at ZULS Lhasa Gonggar Airport from the east, flying a heading of 269.0° at 4 nm and 1,275 ft agl.
Landing was executed on runway 27, which is 3,989 m long and featured a good threshold height. The threshold speed was recorded at 124 kt, slightly above target. Touchdown occurred 252 m beyond the touchdown zone at a speed of 114 kt, with a descent rate of minus 237 fpm and a lateral deviation of 5.3 m from the centreline. Local weather reported a temperature of 7 °C, wind 1 kt from 159°, a 1 kt cross-wind and no head-wind. Total landing distance measured 1,284 m, representing 32 % of the runway.
Runway rollout alignment was noted as very good, confirming a straight and controlled exit from the runway.
The aircraft taxied from the runway to the parking area in 1 minute, covering less than 1 nm.
In total the flight covered 2,305 nm, required 308 of elapsed time, and consumed 12,312 kg of fuel.
The final approach to runway 27 at ZULS Lhasa Gonggar Airport was flown from the east on a heading of 269.0° at 4 nm and 1,275 ft agl; the approach was assessed as unstable at the 1,000 ft gate because the sink rate was too high.
At the threshold the height was good and the threshold speed was slightly above target at 124 kt, indicating a modest excess of speed before flare.
Touchdown occurred 252 m beyond the touchdown zone with a speed of 114 kt, a little fast, and a vertical rate of -237 fpm that was fair; the touchdown point was misaligned by 5.3 m from the centreline.
The rollout covered 1,284 m, 32 % of the 3,989 m runway, and runway-rollout alignment was very good.
To refine the already strong performance, reduce the sink rate to achieve a stabilized approach within limits and trim the approach speed to the target value, which will help place the touchdown nearer the aim point and improve alignment.
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