Accident
Last updated: 25 July 2014
Status:Definitief
Datum:woensdag 12 september 2012
Tijd:12:20
Type:Antonov 28
Luchtvaartmaatschappij:Petropavlovsk-Kamchatsky Air Enterprise
Registratie: RA-28715
Constructienummer: 25-1AJ006
Bouwjaar: 1989
Aantal vlieguren:11947
Aantal vluchten:8891
Motoren: 2 Glushenkov TVD-10B
Bemanning:slachtoffers: 2 / inzittenden: 2
Passagiers:slachtoffers: 8 / inzittenden: 12
Totaal:slachtoffers: 10 / inzittenden: 14
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:11 km (6.9 mijl) SW of Palana Airport (   Rusland) show on map
Fase: Nadering (APR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Petropavlovsk-Kamchatsky Airport (PKC/UHPP), Rusland
Vliegveld van aankomst:Palana Airport (UHPL), Rusland
Vluchtnummer: 251
Beschrijving:
An Antonov 28 passenger plane, operated by Petropavlovsk-Kamchatsky Air Enterprise, was destroyed in an accident near Palana Airport, Kamchatka peninsula, Russia.
Flight 251 was operating on an instrument flight rules (IFR) flight plan. Weather at the destination airport Palana included a visibility of 6000 m and a cloud base at 470 m. This was within limits for an approach and landing at Palana. The crew were cleared for an approach to runway 11. The approach to Palana consists of a flight to the NDB beacon above the minimum safe altitude of 2150 m, followed by entering a holding pattern, and a descent for the approach. The crew did not fly to the NDB. The flight was 22 km from the NDB when the crew reported being overhead.
Descent was initiated until the airplane struck trees at 320 m above sea level on the wooded slope of Mount Pyatibratka.


Cause of the accident aircraft involving An-28 RA-28715 was a violation by the crew of the established approach procedures at the airport Palana, by carrying out a premature descent to below the minimum safe altitude when flying in mountainous terrain, weather conditions, precluding sustained visual contact with ground reference points, which led to a crash of the aircraft with the mountainside, its destruction and the death of the crew and passengers.
Alcohol was discovered in the blood of both crew members.
Contributing factors were:
- a low level of discipline of personnel and unsatisfactory flight methodical work in the aviation enterprise in terms of the lack of control over pre-flight preparation by the crew and execution of the approach procedures;
- inaction by the crew after the altimeter alarm when reaching a dangerous altitude;
Availability on the An-28 aircraft of a ground proximity warning system (GPWS), could possibly have prevent the accident.

Bronnen:
» ITAR-TASS
» MChS Russia
» MAK


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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Petropavlovsk-Kamchatsky Airport en Palana Airport bedraagt 659 km (412 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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