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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 · 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 1,524 m of the approach.
Plan view — the first 1,524 m of the 3,170 m runway, to the same scale as the side view.
The 416 m touchdown sits inside 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 11 minutes and covered a distance of 1 nautical mile. The aircraft, a Cessna CJ4 Citation, then departed from runway 09 at VVDL Lien Khuong Airport in Vietnam. The takeoff distance was 1,232 meters, which accounted for 38% of the runway. The liftoff speed was 114 knots.
The local weather conditions at the time of departure were characterized by a temperature of 22 degrees Celsius and a wind speed of 5 knots from a direction of 355 degrees. This resulted in a crosswind of 5 knots and a headwind of 0 knots. The aircraft then began its enroute climb, starting 1 mile east of VVDL Lien Khuong Airport, and climbed from an altitude of 4,182 feet above sea level to 38,942 feet above sea level, an increase of 34,760 feet, in 20 minutes and covering a distance of 67 nautical miles.
The enroute level cruise started 22 miles east of Sen Monorom in Cambodia and lasted for 46 minutes, covering a distance of 327 nautical miles. The aircraft then began its enroute descent, starting 3 miles south east of Sa Kaeo in Thailand, and descended from an altitude of 39,582 feet above sea level to 4,250 feet above sea level, a decrease of 35,332 feet, in 23 minutes and covering a distance of 101 nautical miles.
The aircraft then entered another enroute level cruise, starting 6 miles east of Krathum Baen in Thailand, and lasted for 4 minutes, covering a distance of 12 nautical miles. The enroute descent started 3 miles north east of Phra Pradaeng in Thailand, and the aircraft descended from an altitude of 3,776 feet above sea level to 1,258 feet above sea level, a decrease of 2,518 feet, in 4 minutes and covering a distance of 8 nautical miles.
The final approach to runway 03R at VTBD Don Mueang International Airport was made from the south west, heading 29.0 degrees at a distance of 4 nautical miles and an altitude of 1,246 feet above ground level. The landing on runway 03R was successful, with a touchdown distance of 415 meters, which was good. The touchdown speed was 84 knots, and the touchdown rate was perfect at -34 feet per minute. However, the runway touchdown position was slightly misaligned by 5.6 meters from the centreline.
The local weather conditions at the time of landing were characterized by a temperature of 28 degrees Celsius and a wind speed of 5 knots from a direction of 20 degrees. This resulted in a crosswind of 1 knot and a headwind of 5 knots. The total landing distance was 1,353 meters, which accounted for 43% of the runway. The runway rollout alignment was very good.
The taxiing period from the runway to the parking took 3 minutes and covered a distance of less than 1 nautical mile. The total flight distance was 524 nautical miles, and the flight duration was 106 minutes. The aircraft used 1,009 kilograms of fuel during the flight.
The Cessna CJ4 Citation successfully landed at VTBD Don Mueang International Airport, achieving a high score of 96.9%. The aircraft approached the runway from the southwest, heading 29.0° at a distance of 4 nautical miles and an altitude of 1,246 feet above ground level (agl). The pilot executed a precise final approach, taking into account the local weather conditions, which included a temperature of 28°C and a gentle headwind of 5 knots at 20°.
Upon landing, the aircraft touched down on runway 03R, which has a length of 3,170 meters. The threshold height was satisfactory, and the threshold speed was slightly below the target at 95 knots. The touchdown distance was also good, measuring 415 meters. The touchdown speed of 84 knots was within the acceptable range, and the touchdown rate of -34 feet per minute (fpm) was perfect, indicating a smooth and controlled descent.
However, there was a slight deviation in the runway touchdown position, with the aircraft being 5.6 meters off-centerline. This minor misalignment did not significantly impact the overall performance of the landing. The local weather conditions, including a crosswind of 1 knot and a headwind of 5 knots, were relatively calm, which contributed to the smooth execution of the landing.
The total landing distance of 1,353 meters was 43% of the runway length, indicating a good balance between the aircraft's speed and the available runway length. The runway rollout alignment was also very good, demonstrating the pilot's skill and control during the landing phase. Overall, the Cessna CJ4 Citation's landing at VTBD Don Mueang International Airport was a success, with the aircraft performing well in various aspects of the landing procedure.
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