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MY FS FLIGHTS
Flight Score
Maintain the centreline
A small uncorrected heading error at 40 knots becomes a metre of offset per second by 100 knots, noticed only at rotation, producing a crabbed liftoff. Root cause is nearly always eyes on the tape instead of the far end of the runway. Small heading changes displace a distant point visibly long before the nearby centreline stripes look wrong.
Read more in Improve Your Take-OffsStart to finish · 19 stages, 18 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 1,885 m runway, to the same scale as the side view.
The 353 m touchdown sits inside the full-score zone. The arrival was smooth.
The rest of the report
The Boeing 737-600 taxied from the parking area to runway 23 at NSTU Pago Pago International Airport, a movement that lasted 2 minutes and covered less than 1 nm.
The aircraft commenced its departure roll on runway 23, achieving a takeoff distance of 1,866 m (67 % of the runway). Liftoff occurred at 140 kt. Ambient conditions were 29 °C with wind from 120° at 5 kt, a cross-wind component of 4 kt and a tail-wind component of 3 kt.
Climb began overhead Vaitogi, ascending from 1,033 ft asl to 39,674 ft asl, an increase of 38,640 ft achieved in 42 minutes while covering 306 nm.
The first level-cruise segment started 28 miles east of Neiafu, Vavaʻu, Tonga and continued for 237 minutes, during which 1,710 nm were flown.
Descent commenced 2 miles east of NZRI Rangitata Island Airport, descending from 39,858 ft asl to 35,796 ft asl, a loss of 4,062 ft in 7 minutes over 53 nm.
A brief level cruise followed 2 miles north-west of NZOU Oamaru Airport, lasting 2 minutes and covering 12 nm.
The final descent began 2 miles north-east of Kakanui, dropping from 36,040 ft asl to 1,293 ft asl, a decrease of 34,747 ft in 10 minutes across 53 nm.
The aircraft entered the final approach to runway 21 at NZDN Dunedin International Airport from the north-east, on a heading of 236.0° at 4 nm and 1,279 ft agl. Local weather reported a temperature of -1 °C, wind 2 kt from 50°, with no cross-wind and a 2 kt tail-wind.
Touchdown occurred on runway 21, whose length is 1,885 m. The threshold speed was recorded at 133 kt, slightly above target, and the aircraft touched down 350 m from the threshold at a speed of 126 kt. The vertical speed at touchdown was minus 186 fpm and the touchdown point was offset 3.2 m from the centreline. Total landing distance measured 764 m, representing 41 % of the runway.
Runway rollout alignment was assessed as very good.
After landing, the aircraft taxied from the runway to the parking area in 1 minutes, covering less than 1 nm.
Overall, the flight covered a total distance of 2,141 nm, required 303 minutes of elapsed time, and consumed 13,065 kg of fuel.
The final approach to runway 21 at NZDN Dunedin International Airport was flown from the north-east on a heading of 236.0 °, at 4 nm and 1,279 ft agl, with temperature -1 °C, wind 2 kt at 50 °, crosswind 0 kt and tailwind 2 kt; the threshold height was reported as good.
At threshold the aircraft established a speed of 133 kt, noted as slightly above target, and proceeded into the flare.
Touchdown occurred 350 m down the runway, a distance described as good, with a speed of 126 kt that was a little fast, a vertical rate of -186 fpm judged good, and a lateral offset of 3.2 m from the centreline. The total landing distance was 764 m, representing 41 % of the 1,885 m runway.
Rollout alignment was described as very good.
To tighten the already high score of 99.7 %, the crew should refine speed control to bring the threshold speed onto target and reduce touchdown speed, and adjust the final lateral track to eliminate the 3.2 m offset.
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