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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 · 18 stages, 17 in the score
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From brake release to the end of the climb, against time, then the takeoff point by point.
Lifted off at 76 kt with 3.1° of pitch.
Two traces from brake release: the airspeed on top, and below it the pitch, which is how far the nose is above the horizon. The figure at liftoff is the pitch then. The shaded stretch is Climb 3, the part of the climb scored on holding the climb speed.
The takeoff, point by point
Side view from the start of the roll to the end of Climb 3 at 940 ft.
Reached 35 ft with 3,058 m of runway left; then climbing at 870 fpm on average to 940 ft.
The takeoff from the side: the height above the runway against the distance along it. The numbers along the runway are the speeds reached at each point. Lifting off in the amber last quarter of the runway costs marks for the roll length. The shaded stretch is Climb 3, scored on its average speed against the target.
Plan view the roll down the 3,987 m runway.
Rolled from 129 m in, drifted right of the centreline, 2.6 m at the widest, and lifted off 2.3 m right. Airborne 18 % of the way down the runway, before the 75 % line.
The roll from above, with your left at the top. The line is where the wheels went, and "widest" is the furthest you drifted off the centreline. Lifting off before the amber 75 % line gets full marks for the roll length.
The final from 4 nm.
Profile height against the 3° glideslope, with its 2° band in green.
Inside the glideslope band from 4 nm to the threshold, never more than 240 ft below the slope.
Your height above the runway against the distance still to go. The glideslope is the steady descent path to the aiming point, 305 m past the threshold: 3° here, which is about 320 ft for every nautical mile out, crossing the threshold at about 50 ft. The row under the distances is the height it puts you at. Inside the green band your path is drawn green; outside it, amber.
Plan distance off the extended centreline, your left at the top, with the 1° band. Sideways distances are drawn 3× larger than distances along the final.
Outside the 1° band 3 times; furthest 181 m right at 3.2 nm.
Looking down from above, flying left to right towards the runway: up the page is left of the centreline, down is right. Sideways distances are stretched so that small drifts show, so a line that looks wild here may be only a few tens of feet. The labels are how far off you were at each distance, amber when outside the band.
Speed against the approach speed. The green band runs from 5 kt slow to 78 kt fast at the 1,000 ft gate, closing to 48 at 500 ft and 10 at the threshold.
Inside the speed band from 4 nm to 0.8 nm, then fast to the threshold (up to +31 kt).
Your indicated airspeed down the final, against the approach speed for this aircraft at its landing weight. The band allows 5 kt slow and more on the fast side further out, closing as you get lower, because the speed is expected to come off on the way down. The figures are knots above (+) or below (−) the approach speed.
Over the threshold
Touchdown
No crosswind: nothing to correct for. Touched down with the nose 1° right of the track, 2° of bank.
Wind 270° at 1 kt · 1 kt tail · 0 kt across
The wind is the one recorded at the landing, split along the runway (headwind or tailwind) and across it. To hold the centreline in a crosswind the nose points a little into wind - the crab - and is straightened with rudder just before the wheels touch, often with the into-wind wing lowered to stop the drift. These are the nose against the direction you were actually moving, and the wings, at the moment of touchdown. Shown for reading; not marked.
From 67 kt at touchdown to taxi speed (30 kt) in 61 s, an average deceleration of 0.03 g.
Your ground speed from the moment the wheels touched until you were down to taxi speed, against the distance rolled. A steep line is hard braking, a shallow one a long, gentle roll. For scale, an airliner's lowest autobrake setting decelerates at about 0.15 g, a medium one about 0.3 g. Shown for reading; not marked.
Side view — the last 2,928 m of the approach.
Crossed the threshold at 91 ft, 41 ft above the 50 ft target. Touched down 1,757 m in, 1,453 m past the ideal 305 m.
The last stretch of the approach and the touchdown, from the side. The height is stretched so that the last few feet show: 80 ft top to bottom, against 2,928 m across. The dashed line is the ideal, 50 ft over the threshold and down 305 m in. The flare ring is where you began raising the nose, and "descent slowed" is where the sink came off; the figures beside them are the sink rate, pitch and speed at that point.
Sink and pitch — through the flare, lined up with the side view.
From 89 ft the descent stopped and turned into a climb of 120 fpm before coming down at 140 fpm to touch. The nose came up 6.0° on the way down.
Lined up with the side view above, so a point on one sits under the same point of the other. On top, how fast you were coming down: 0 is level, and −600 is 600 ft a minute down. Below, the pitch. In a flare the nose comes up and the descent slows towards 0. The figure at the touchdown line is your touchdown rate.
Plan view — the full 2,928 m runway, to the same scale as the side view.
Touched down 2.2 m left of the centreline and drifted to 12 m left on the rollout, back to 5.9 m left by the end.
The runway from above, with your left at the top. Touching down inside the green bracket scores full marks for the distance. The shaded part is the rollout, up to where it ended.
Touched down 1,757 m past the threshold — beyond the full-score zone. The arrival was smooth.
The rest of the report
The flight began with a short taxiing period from the parking area to the runway, taking less than a minute and covering a distance of less than 1 nautical mile. The aircraft, a PA44 Seminole, then departed from runway 03L at O.R. Tambo International Airport, with a takeoff distance of 617 meters, which is 15% of the runway length. The liftoff speed was 77 knots, and the local weather conditions were characterized by a temperature of 16°C, a wind speed of 1 knot at 270°, with no crosswind or headwind.
As the aircraft climbed away from the airport, it began its enroute climb 1 mile north of O.R. Tambo International Airport, Johannesburg. The climb took 2 minutes, during which the aircraft ascended from 6,507 feet above sea level to 7,475 feet above sea level, an increase of 968 feet. The distance covered during this climb was 3 nautical miles.
Following the climb, the aircraft entered a level cruise phase, starting 3 miles south of Tembisa. This phase lasted for 2 minutes and covered a distance of 4 nautical miles. The aircraft then began its enroute descent 2 miles northwest of Modderfontein, descending from 7,350 feet above sea level to 6,530 feet above sea level, a decrease of 820 feet, in 2 minutes and covering 4 nautical miles.
The aircraft then entered another level cruise phase, starting 3 miles west of Edenvale, which lasted for 8 minutes and covered a distance of 14 nautical miles. After this cruise phase, the aircraft began its final approach to runway 07 at Lanseria International Airport, flying from the southwest at a heading of 51.0° and at an altitude of 1,148 feet above ground level, 4 nautical miles from the runway.
The landing on runway 07 at Lanseria International Airport was notable for several factors. The threshold height was significantly above the target, and the threshold speed was excessively high at 102 knots. The touchdown point was very long, using more than 50% of the available runway. However, the touchdown speed of 61 knots was good, and the touchdown rate was smooth at -139 feet per minute. The runway touchdown alignment was very good.
The local weather conditions at the time of landing were characterized by a temperature of 15°C, a wind speed of 1 knot at 270°, with a crosswind of 1 knot and a tailwind of 1 knot. The total landing distance was 2,973 meters, which is 102% of the runway length. After landing, the aircraft taxied to the parking area, taking less than a minute and covering a distance of less than 1 nautical mile.
In total, the flight distance was 33 nautical miles, and the flight duration was 18 minutes. Notably, the aircraft used 0 kilograms of fuel during the flight.
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