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Reduce power sooner on the approach so your speed is back to 65 kt well before the stabilisation gate.
What happened: This flight was fast at the stabilisation gate, then crossed the threshold high on a shallow descent and 29 kt above VREF; carrying that extra speed through to the threshold usually carries the touchdown long, and this flight touched down 222 m past the target point.
Watch for: Airspeed indicator: 65 kt at the threshold.
Preparing for a stable approach will give you time to decide on whether to attempt the landing or going around. Too much altitude with a high sink rate will result in carrying too much speed onto the runway. Configuring flaps and the gear late also won't help the speed decay.
Read more in The Stabilised ApproachStart to finish · 17 stages, 15 in the score
Events
The threshold, the flare and the hold-off. The approach that led to it is the stabilisation gates below.
One stabilised approach gate for a circuit: seven checks where the approach path is 300 ft above the runway. The 1,000 ft gate is an instrument-approach check and does not apply. These checks are the approach's score.
At the 300 ft gate: sink rate 1,270 fpm, more than the glideslope needed, centreline 1.3° off, against a 1° limit and speed 37 kt FAST on the reference speed of 65 kt.
The approach, gate by gate
Side view — the last 1,524 m of the approach.
Plan view — the first 1,524 m of the 3,301 m runway, to the same scale as the side view.
Touched down 679 m past the threshold — beyond the full-score zone. The arrival was smooth.
The rest of the report
The Cessna 172 taxied from the parking area to runway 19L at YBBN Brisbane International Airport in less than 1 minute, covering less than 1 nm.
During the departure roll on runway 19L, the aircraft accelerated over a takeoff distance of 345 m, representing 10 % of the runway length, and lifted off at 64 kt. Ambient conditions were 15 °C with a wind of 7 kt from 210°, providing a head-wind component of 7 kt and zero cross-wind.
The approach began with a left-hand pattern entry from runway 19L, flying 1 nm in 10 seconds. The subsequent left-hand crosswind leg covered less than 1 nm in 23 seconds, followed by a downwind leg of 3 nm completed in 86 seconds. The base-leg turn spanned 2 nm at an angle of 45° and 17.5°, after which the base leg itself was less than 1 nm in 15 seconds. The final turn added another 1 nm in 45 seconds, and the aircraft entered the final approach to runway 19R from the north-east on a heading of 206.0°, at 0 nm and 120 ft AGL.
Landing was executed on runway 19R, which is 3 301 m long. The threshold height at 60 ft AGL was slightly above target and the required threshold speed was noted as excessively high at 94 kt. Touchdown occurred 274 m beyond the touchdown zone with a speed of 66 kt, a smooth descent rate of minus 106 fpm, and a lateral deviation of 9.5 m from the centreline. The total landing distance measured 1 162 m, equivalent to 35 % of the runway length.
Rollout alignment was recorded as misaligned by 24.3 m from the centreline.
The aircraft taxied from runway 19R back to the parking area in less than 1 minute, traveling less than 1 nm.
Overall, the flight covered a distance of 9 nm, lasted 6 (units as provided), and consumed 3 kg of fuel.
The Cessna 172 approached runway 19R at YBBN from the north-east on a heading of 206.0° while at 0 nm and 120 ft AGL, with temperature 15 °C, wind 7 kt from 210°, a 0 kt cross-wind component and a 7 kt head-wind component; the final-approach score contributed to an overall 77.8 % rating.
At the threshold the height of 60 ft AGL was slightly above target and the threshold speed was excessively high at 94 kt.
Touchdown occurred 274 m beyond the designated touchdown zone with a speed of 66 kt, which was noted as too fast; the vertical rate was smooth at minus 106 fpm and the touchdown point was misaligned by 9.5 m from the centreline. The total landing distance measured 1,162 m, representing 35 % of the runway length.
During rollout the aircraft remained misaligned by 24.3 m from the centreline.
Reduce the threshold speed to bring it within the target range and aim to achieve touchdown within the touchdown zone to improve alignment and distance usage. Adjust flare timing to allow a lower touchdown speed, which will help keep the touchdown point nearer the intended aim point.
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