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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 · 28 stages, 26 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 3,516 m runway, to the same scale as the side view.
Touched down 1,196 m past the threshold — beyond the full-score zone. The arrival was smooth.
The rest of the report
The Boeing 777-300ER taxied from the parking area to runway 34L at RJAA Narita International Airport, a movement that required 14 minutes and covered 2 nm.
During the departure roll on runway 34L, the aircraft accelerated over a takeoff distance of 2,420 m, representing 60 % of the runway, and lifted off at 174 kt. Ambient conditions were 23 °C with a wind of 6 kt from 56°, a cross-wind component of 6 kt and no head-wind.
The initial climb began 1 mile north-west of RJAA, climbing from 1,076 ft asl to 31,009 ft asl, an altitude gain of 29,934 ft achieved in 18 minutes while covering 126 nm.
A level cruise segment commenced 78 miles east of Asahi, lasting 109 minutes and extending over 998 nm.
A subsequent climb started at latitude 42.3530312, longitude 161.4502563, raising the aircraft from 31,016 ft asl to 32,987 ft asl, a gain of 1,971 ft in 2 minutes across 14 nm.
The next cruise leg began at latitude 42.4314079, longitude 161.7850342 and persisted for 178 minutes, during which 1,725 nm were flown.
A further climb was initiated at latitude 48.0692329, longitude -158.0126801, increasing altitude from 32,964 ft asl to 35,000 ft asl, a rise of 2,036 ft in 2 minutes while covering 15 nm.
The following cruise segment started at latitude 48.0792007, longitude -157.601532 and lasted 183 minutes, encompassing 1,556 nm.
Descent began 10 miles north-west of Point Arena, California, with the aircraft descending from 35,004 ft asl to 10,999 ft asl, a loss of 24,005 ft in 15 minutes over 106 nm.
A brief cruise over Colma, California, lasted 2 minutes and spanned 8 nm.
The next descent segment started 1 mile north-west of San Mateo, dropping from 10,999 ft asl to 4,002 ft asl, a decrease of 6,997 ft in 7 minutes across 25 nm.
A short cruise over Santa Clara lasted 3 minutes and covered 10 nm.
Climbing again 3 miles south-east of KRHV Reid-Hillview Airport, the aircraft rose from 3,979 ft asl to 6,994 ft asl, gaining 3,015 ft in 3 minutes while traveling 10 nm.
Descent continued 4 miles north of East Foothills, falling from 7,000 ft asl to 5,032 ft asl, a loss of 1,968 ft in 2 minutes over 5 nm.
A level cruise segment north of Milpitas persisted for 30 minutes, covering 90 nm.
The final descent started 1 mile east of Newark, California, with altitude decreasing from 4,999 ft asl to 1,317 ft asl, a reduction of 3,682 ft in 4 minutes across 13 nm.
On final approach to runway 28R at KSFO San Francisco International Airport, the aircraft aligned from the east on a heading of 290.0° at 4 nm and 1,300 ft agl.
Landing on runway 28R, which is 3,516 m long, the aircraft touched down with a threshold speed of 148 kt; the touchdown point was 759 m beyond the touchdown zone and the speed at that moment was 142 kt. The touchdown rate was smooth at minus 119 fpm, though the touchdown position was misaligned by 21.8 m from the centreline. Weather at KSFO was 18 °C with a wind of 3 kt from 354°, a cross-wind component of 3 kt and a head-wind component of 2 kt.
The total landing roll measured 1,407 m, representing 40 % of the runway, and the rollout alignment was off by 33.6 m from the centreline.
Overall, the flight covered 4,709 nm, required 567 minutes of airborne time, and consumed 75,216 kg of fuel.
The final approach to runway 28R at KSFO was flown from the east on a heading of 290.0 ° at 4 nm and 1,300 ft agl. Local weather was 18 °C with wind 3 kt at 354 °, a 3 kt crosswind and a 2 kt headwind. At the 1,000 ft gate the approach was assessed as unstable, being off the centreline.
At threshold the aircraft was 137 ft agl, which was excessively over target, and the threshold speed was good at 148 kt. The flare proceeded from this altitude and speed.
Touchdown occurred 759 m beyond the touchdown zone with a good speed of 142 kt and a smooth rate of -119 fpm. The runway touchdown position was significantly misaligned by 21.8 m from the centreline, and the total landing distance was 1,407 m, representing 40 % of the 3,516 m runway.
Rollout alignment was significantly misaligned by 33.6 m from the centreline.
Focus on maintaining precise centreline tracking during the approach and touchdown phases to reduce lateral deviation at touchdown and during rollout. Additionally, aim to achieve the target threshold height to avoid excessive altitude at the flare.
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