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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 · 20 stages, 18 scored
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The threshold, the flare and the hold-off. The approach that led to it is the stabilisation gates below.
One stabilised approach gate: five checks where the approach path is 500 ft above the runway. The 1,000 ft gate was not assessed, because the approach did not join final that far out.
Side view — the last 338 m of the approach.
Plan view — the full 338 m runway, to the same scale as the side view.
The 55 m touchdown sits inside the full-score zone. The arrival was smooth.
The rest of the report
The flight began with the Vision Jet taxiing from the parking area to the runway at KFOK Francis S Gabreski Airport, taking 11 minutes and covering a distance of 2 nautical miles. The departure roll took place on runway 24, with a takeoff distance of 701 meters, which accounted for 26% of the runway. The liftoff speed was 98 knots.
As the aircraft took to the skies, it encountered local weather conditions with a temperature of 4 degrees Celsius and winds blowing at 19 knots from a direction of 339 degrees. The crosswind component was 17 knots, while the tailwind component was 9 knots. The aircraft then began its enroute climb, starting overhead the town of Quiogue in New York, United States. The climb took the aircraft from an altitude of 868 feet above sea level to 11,616 feet above sea level, an increase of 10,748 feet, in just 6 minutes and covering a distance of 12 nautical miles.
Following the climb, the aircraft entered a level cruise, starting 1 mile north of Brookhaven, New York, and lasting for 7 minutes. During this period, the aircraft covered a distance of 27 nautical miles. The enroute descent then began, starting overhead the town of Levittown, New York. The descent took the aircraft from an altitude of 11,585 feet above sea level to 1,293 feet above sea level, a decrease of 10,292 feet, in 7 minutes and covering a distance of 96 nautical miles.
The final approach to runway 31 at PA35 Bally Spring Farm Airport was made from the southeast, with the aircraft heading 299.0 degrees at an altitude of 627 feet above ground level and 1 nautical mile from the runway. The landing on runway 31 took place, with the runway length being 338 meters. However, the threshold height was significantly above the target, and the threshold speed was well above the target at 82 knots.
The second landing on runway 31 also took place, with the runway length being 338 meters. This time, the threshold height was good, but the threshold speed was too high at 90 knots. The touchdown point was excessively long, using more than 75% of the available runway. The touchdown speed of 86 knots was also too fast, and the touchdown rate was very heavy at -806 feet per minute. Additionally, the runway touchdown position was misaligned by 9.7 meters from the centerline. The local weather conditions at the time of the landing were a temperature of 1 degree Celsius and winds blowing at 13 knots from a direction of 335 degrees, with a crosswind component of 8 knots and a headwind component of 10 knots.
Despite the challenges encountered during the landing, the runway rollout alignment was very good. The total landing distance was 310 meters, accounting for 92% of the runway. The total flight distance was 148 nautical miles, taking 46 minutes, and the aircraft used 148 kilograms of fuel during the flight.
The Vision Jet aircraft has successfully landed at PA35 Bally Spring Farm Airport, but the landing was not without its issues. The final approach to runway 31 from the south east was initiated at an altitude of 627 feet above ground level (agl) and a distance of 1 nautical mile from the runway. The aircraft was heading 299.0° at the time of the approach.
Upon landing, the threshold height was significantly above the target, indicating that the aircraft touched down higher than desired. However, the threshold speed was well above the target at 82 knots, suggesting that the pilot may have been able to reduce the speed before touchdown. The landing on runway 31 was also marked by a touchdown point that was excessively long, using more than 75% of the available runway. This indicates that the pilot may have been unable to slow the aircraft down sufficiently before touchdown.
The touchdown speed of 86 knots was also too fast, and the touchdown rate was very heavy at -806 feet per minute (fpm). This suggests that the aircraft may have been subjected to a high rate of deceleration upon touchdown, which could have put additional stress on the landing gear and other components. Additionally, the runway touchdown position was misaligned by 9.7 meters from the centerline, which could have made the landing more challenging.
The local weather conditions at the time of the landing were characterized by a temperature of 1°C and winds of 13 knots at 335°. The crosswind component was 8 knots, while the headwind component was 10 knots. The total landing distance was 310 meters, which was 92% of the available runway. Despite the issues with the landing, the runway rollout alignment was very good, indicating that the pilot was able to maintain control of the aircraft during the rollout phase.
Overall, while the Vision Jet aircraft was able to land safely at PA35 Bally Spring Farm Airport, the landing was marked by several issues, including a high threshold speed, excessive touchdown point, and heavy touchdown rate. These issues highlight the importance of proper pilot technique and adherence to standard operating procedures to ensure safe and efficient landings.
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