Crash-aerien 03 MAR 2007 d'un Britten-Norman BN-2B-26 Islander D-ILFB - Ruhnu Airport
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Statuts:Accident investigation report completed and information captured
Date:samedi 3 mars 2007
Type/Sous-type:Silhouette image of generic BN2P model; specific model in this crash may look slightly different
Britten-Norman BN-2B-26 Islander
Compagnie:LFH Luftverkehr Friesland Harle
Immatriculation: D-ILFB
Numéro de série: 2271
Année de Fabrication: 1994-04-25 (12 years 11 months)
Heures de vol:2811
Moteurs: 2 Lycoming O-540-E4C5
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 2
Total:victimes: 0 / à bord: 3
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:0,4 km (0.3 milles) NE of Ruhnu Airport (   Estonie)
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Pärnu Airport (EPU/EEPU), Estonie
Aéroport de destination:Ruhnu Airport (EERU), Estonie
LFH Luftverkehr Friesland Harle was engaged in scheduled operations between Pärnu and Ruhnu Airport in Estonia, using BN-2 Islander aircraft.
The flight that had been initially planned for 26th February 2007, was postponed several times due to adverse meteorological conditions, causing problems with provision supply on Ruhnu island. On Friday, 3rd March, pilot checked the weather at 15:00 and at 16:00. Based on the received information the pilot decided to depart for Ruhnu at 16:00.
At 16:08, the aircraft took off from Pärnu airport with a pilot, two passengers and 520 kg of cargo on board. According to the weather briefing received by the pilot via telephone from Kuressaare, at 16:00 the cloud height in Kuressaare (EEKE, 36 Nm northwest of Ruhnu) was 600 ft. and 180 m (approximately 540 ft.) in Ruhnu. During the uneventful flight on the altitude 1500 ft., the coast and the ice border were clearly visible. The aircraft stayed clear from the clouds and no signs of icing were noticed by persons on board. Approaching the island from the northeast it was intended by the pilot to use runway 32 for landing. The pilot decided to fly low from east to west across the runway to check the windsock and runway condition. While approaching the island, the pilot descended at the rate of 150 ft/min with low power settings and flaps extended by 1 notch. During descent the horizontal and vertical visibility deteriorated and the flight was continued in IMC. The descent was continued in clouds; therefore the pilot had no visual contact with the ground and horizon. The aircraft broke through the clouds over the coast at a very low altitude (100-120 feet). Trying to maintain safe altitude and speed pilot added power, at the same time stall warning signal activated and seconds later the lower part of aircraft's fuselage touched the treetops and collided with the terrain at 16:36.
The passengers and pilot escaped the aircraft without assistance and with no injuries.

Probable Cause:

Causes of the accident:
The investigation established the following causes of the accident:
1. The pilot could not maintain safe flight altitude when approaching Ruhnu aerodrome.
2. The pilot continued the descent in spite of IMC.
Contributing factors to the accident
The investigation established the following factors contributing to the accident:
1. High motivation to perform the flight.
2. Inadequate weather information from ground services of Ruhnu aerodrome.
3. Inadequate aeronautical oversight in the destination airport.

Accident investigation:

Investigating agency: MinEcon
Status: Investigation completed
Duration: 4 years and 3 months
Accident number: EE030/030307
Download report: Final report

» Delfi

Opérations de secours

MinEcon issued 2 Safety Recommendations

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photo of BN-2B-26-Islander-D-ILFB
accident date: 03-03-2007
type: Britten-Norman BN-2B-26 Islander
registration: D-ILFB

Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Pärnu Airport et Ruhnu Airport est de 99 km (62 miles).

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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