Re: Vazduhoplovi
Poslato: 23 Feb 2023, 21:04
Yeti Airlines, 15.01.2023:
https://www.flightradar24.com/blog/wp-c ... Report.pdf
Piloti su featherovali motore umesto da spuste flaps.
At 10:56:27, the PF disengaged the Autopilot System (AP) at an altitude of 721 feet Above Ground Level (AGL). The PF then called for “FLAPS 30” at 10:56:32, and the PM replied, “Flaps 30 and descending”. The flight data recorder (FDR) data did not record any flap surface movement at that time. Instead, the propeller rotation speed (Np) of both engines decreased © Aircraft Accident Investigation Commission, Nepal 6 simultaneously to less than 25% 1and the torque (Tq) started decreasing to 0%, which is consistent with both propellers going into the feathered condition 2 . On the cockpit voice recorder (CVR) area microphone recording, a single Master Caution chime was recorded at 10:56:36. The flight crew then carried out the “Before Landing Checklist” before starting the left turn onto the base leg. During that time, the power lever angle increased from 41% to 44%. At the point, Np of both propellers were recorded as Non-Computed Data (NCD) in the FDR and the torque (Tq) of both engines were at 0%. When propellers are in feather, they are not producing thrust.
https://www.flightradar24.com/blog/wp-c ... Report.pdf
Piloti su featherovali motore umesto da spuste flaps.
At 10:56:27, the PF disengaged the Autopilot System (AP) at an altitude of 721 feet Above Ground Level (AGL). The PF then called for “FLAPS 30” at 10:56:32, and the PM replied, “Flaps 30 and descending”. The flight data recorder (FDR) data did not record any flap surface movement at that time. Instead, the propeller rotation speed (Np) of both engines decreased © Aircraft Accident Investigation Commission, Nepal 6 simultaneously to less than 25% 1and the torque (Tq) started decreasing to 0%, which is consistent with both propellers going into the feathered condition 2 . On the cockpit voice recorder (CVR) area microphone recording, a single Master Caution chime was recorded at 10:56:36. The flight crew then carried out the “Before Landing Checklist” before starting the left turn onto the base leg. During that time, the power lever angle increased from 41% to 44%. At the point, Np of both propellers were recorded as Non-Computed Data (NCD) in the FDR and the torque (Tq) of both engines were at 0%. When propellers are in feather, they are not producing thrust.
