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Last updated: 11 December 2019
Status:Schlussbericht
Datum:Freitag 13 Oktober 1978
Zeit:16:44
Flugzeugtyp:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 200
Fluggesellschaft:Arctic Guide
Kennzeichen: N4048B
Werknummer: 125
Baujahr: 1968
Triebwerk: 2 Pratt & Whitney Canada PT6A-20
Besatzung:Todesopfer: 1 / Insassen: 1
Fluggäste:Todesopfer: 0 / Insassen: 1
Gesamt:Todesopfer: 1 / Insassen: 2
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Barrow, AK (   USA)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer außerplanmäßiger Passagierflug
Flug von:Anaktuvuk Pass Airport, AK (AKP/PAKP), USA
Flug nach:Barrow-Point Barrow Airport, AK (PBA), USA
Unfallbericht:
It was snowing at Barrow as Twin Otter N4048B approached the airport. Ice probably started to accumulate on the aircraft until the airplane stalled and crashed short of the runway. It appeared that the de-ice boots on the horizontal stabilizer were installed improperly.

Probable Cause:

PROBABLE CAUSE:
pilot in command - continued VFR flight into adverse weather conditions
personnel - maintenance,servicing,inspection: inadequate maintenance and inspection
airframe - flight control surfaces: other
miscellaneous acts,conditions - improperly installed
pilot in command - failed to use or incorrectly used misc.equipment
miscellaneous acts,conditions - anti-icing/deicing equipment-improper operation of/or failed to use
pilot in command - misused or failed to use flaps
FACTORS:
personnel - operational supervisory personnel: inadequate flight training-procedures
personnel - operational supervisory personnel: deficiency,company maintained eqpmt,services,regulation
weather - icing conditions-includes sleet,freezing rain,etc.

Informationsquelle:
» NTSB


Fotos

photo of DHC-6-Twin-Otter-200-N7661
accident date: 13-10-1978
type: de Havilland Canada DHC-6 Twin Otter 200
registration: N7661
 
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s 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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