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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 1,679 m of the approach.
Plan view — the first 1,679 m of the 2,738 m runway, to the same scale as the side view.
Touched down 680 m past the threshold — beyond the full-score zone. The arrival was smooth.
The rest of the report
The flight began with a taxiing period from the parking to the runway, which took 8 minutes and covered a distance of 2 nautical miles. The aircraft, a Boeing 737-900, then departed from runway 19R at San Francisco International Airport (KSFO). The takeoff distance was 1,804 meters, which accounted for 81% of the runway. The liftoff speed was 168 knots.
As the aircraft climbed to its cruising altitude, it passed overhead Millbrae, California, and began its ascent from 1,450 feet above sea level to 32,936 feet above sea level, an increase of 31,486 feet in 23 minutes, covering a distance of 152 nautical miles. The enroute climb was followed by a level cruise, which started 2 miles west of Bridgeport, California, and lasted for 198 minutes, covering a distance of 1,598 nautical miles.
The aircraft then began its descent, starting 5 miles northwest of Guntersville, Alabama, and descended from 32,902 feet above sea level to 17,126 feet above sea level, a decrease of 15,776 feet in 7 minutes, covering a distance of 52 nautical miles. The enroute level cruise started again 2 miles northwest of Cave Spring, Georgia, and lasted for 2 minutes, covering less than 1 nautical mile. The aircraft then began its final descent, starting 2 miles northwest of Cave Spring, Georgia, and descended from 17,126 feet above sea level to 2,301 feet above sea level, a decrease of 14,825 feet in 13 minutes, covering a distance of 52 nautical miles.
The final approach to runway 08L at Hartsfield-Jackson Atlanta International Airport (KATL) was made from the west, heading 90.0 degrees at 4 nautical miles and 1,274 feet above ground level. The landing was made on runway 08L, which had a length of 2,738 meters. The threshold height was good, and the threshold speed was slightly above the target at 150 knots. The touchdown point was 264 meters beyond the touchdown zone, and the touchdown speed was 133 knots, which was good. The touchdown rate was firm at -394 feet per minute.
The runway touchdown position was excessively misaligned by 31.6 meters from the centerline, and the runway rollout alignment was significantly misaligned by 32.7 meters from the centerline. The local weather conditions at the time of landing were a temperature of 9 degrees Celsius, with a wind speed of 11 knots at 100 degrees. The crosswind was 2 knots, and the headwind was 11 knots.
The total landing distance was 1,598 meters, which accounted for 58% of the runway. The taxiing period from the runway to the parking took 5 minutes and covered less than 1 nautical mile. The total flight distance was 1,865 nautical miles, and the flight duration was 254 minutes. The aircraft used 12,270 kilograms of fuel during the flight.
The Boeing 737-900 aircraft successfully landed at Hartsfield Jackson Atlanta International Airport (KATL) on runway 08L. The final approach was initiated from the west, heading 90.0° at a distance of 4 nautical miles and an altitude of 1,274 feet above ground level (agl). The aircraft maintained a good threshold height, which is a crucial aspect of a safe landing.
Upon touchdown, the aircraft's speed was slightly above the target threshold speed of 150 knots, registering at 150 kt. The touchdown point was located 264 meters beyond the designated touchdown zone, which is a relatively minor deviation. The touchdown speed of 133 kt was within the acceptable range, indicating a smooth and controlled descent. The touchdown rate of -394 feet per minute (fpm) was firm, suggesting a stable and controlled landing.
However, there were some notable issues with the landing. The runway touchdown position was excessively misaligned by 31.6 meters from the centerline, which could pose a risk to the aircraft's stability and control during the landing roll. Additionally, the runway rollout alignment was significantly misaligned by 32.7 meters from the centerline, which could lead to further complications during the landing roll.
The local weather conditions at the time of the landing were relatively calm, with a temperature of 9°C and a wind speed of 11 knots from a direction of 100°. The crosswind component was minimal at 2 kt, while the headwind component was 11 kt, which could have contributed to the aircraft's alignment issues during the landing roll.
Overall, the landing was deemed successful, with a total landing distance of 1,598 meters, which is 58% of the runway length. However, the significant misalignment issues during the landing roll and touchdown position highlight the need for further improvement in the aircraft's handling and control during landing.
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