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MY FS FLIGHTS
Flight Score
Departure
Use smooth, coordinated aileron inputs to keep the wings level during the climb.
What happened: Bank angle increased during the second climb stage, excessive for a wings-level climb.
Watch for: Watch the attitude indicator and keep bank angle near zero.
Arrival
Add power on short final to hold speed at 70 kt, correcting the slow threshold speed before it carries through to the flare.
What happened: Threshold speed was slow at 57 kt against 70 kt, and touchdown followed short of the aim point at 55 m. Crossing the threshold slow like this usually carries the touchdown short.
Watch for: Airspeed indicator against 70 kt on short final.
Every knot above Vref is stored kinetic energy, and energy stored at the threshold must be dissipated in ground effect before the aeroplane will stop flying. Because kinetic energy scales with the square of speed, the excess you must dissipate grows fast. At a 45-knot approach, five knots hot is over a tenth more speed and roughly a quarter more energy to get rid of in ground effect. This is why the fix is never in the flare. It was decided three miles earlier, on final, at the airspeed indicator.
Read more in VRef ExplainedStart to finish · 13 stages, 11 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.
The approach, gate by gate
Side view — the last 477 m of the approach.
Plan view — the full 477 m runway, to the same scale as the side view.
Touched down 55 m short of the threshold. The 2.40 G arrival is the firm side of smooth.
The rest of the report
The Kodiak 100 taxied from its parking position to runway 36 at AYIP Iropena Airstrip in 3 minutes, covering less than 1 nm.
During the departure roll on runway 36, the aircraft accelerated to a liftoff speed of 73 kt, using a takeoff distance of 258 m, which represented 56 % of the runway length. Ambient conditions were 15 °C with a wind of 1 kt from 271 °, a cross-wind component of 1 kt and no head-wind.
Climb commenced overhead the airstrip, with the airplane ascending from 5,031 ft asl to 8,010 ft asl, a gain of 2,979 ft achieved in 2 minutes while covering 5 nm.
The first level cruise began 3 miles west of AYIP and lasted 2 minutes, during which the aircraft travelled 5 nm at a steady altitude.
Descent started 8 miles west of the airstrip, with the aircraft descending from 8,008 ft asl to 6,035 ft asl, a loss of 1,973 ft in 2 minutes while covering 4 nm.
A second level cruise was initiated 11 miles east of AYRM Maramuni Airport, persisting for 4 minutes and encompassing 10 nm of flight.
The final approach to runway 22 at AYRM Maramuni Airport was executed from the north-east, on a heading of 217.0 ° at 2 nm and 352 ft agl. Weather remained 15 °C with a wind of 1 kt from 271 °, a cross-wind of 1 kt and a head-wind of 1 kt.
Touchdown occurred before the runway threshold at a speed of 50 kt and a vertical rate of 115 fpm, with alignment described as very good.
Landing roll measured 84 m, representing 18 % of the runway, and the rollout was offset by 11.5 m from the centreline.
In total, the flight covered 28 nm, required 16 minutes of elapsed time, and consumed 37 kg of fuel.
The Kodiak 100 entered the final approach to runway 22 at AYRM Maramuni Airport from the north-east on a heading of 217.0° at 2 NM and 352 ft AGL. At the 1,000 ft gate the approach was assessed as unstable, being off the glideslope and off the centreline, while the local weather was 15 °C with a wind of 1 kt from 271°, giving a 1 kt crosswind and a 1 kt headwind.
During the threshold and flare the aircraft achieved a touchdown speed of 50 kt, which was judged good, and a vertical rate of 115 fpm, described as perfect. Runway touchdown alignment was recorded as very good.
Touchdown occurred before the runway threshold. The touchdown speed of 50 kt remained good and the vertical rate of 115 fpm stayed perfect, with runway touchdown alignment remaining very good.
Rollout covered a total landing distance of 84 m, representing 18 % of the runway length. Runway rollout alignment was slightly misaligned, being 11.5 m off the centreline.
Improve the approach to achieve a stabilized profile by the 1,000 ft gate, keeping both glideslope and centreline within limits, and focus on maintaining centreline alignment through the rollout to reduce the 11.5 m deviation.
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