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Aviation accident ANC17LA007

NONE · PIPER PA-18 · 2016-11-22 · Bethel, AK, USA

Event

NTSB number
ANC17LA007
Event ID
20161129X63442
Type
Accident
Date
2016-11-22
Location
Bethel, AK, USA
Coordinates
61.414722, -161.958053

Injuries

Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
2
Total aboard
2

Aircraft

Make
PIPER
Model
PA-18
Registration
N83641
FAR Part
091
Engines
1
Damage
SUBS

Conditions

Light
DAYL
Weather
VMC

Probable cause

The mechanic's failure to install a whistle slot in the engine breather tube, which resulted in a frozen tube, displacement of the crankshaft oil seal, a loss of oil, and smoke in the cockpit, which led to a forced landing.

Source

Authoritative
NTSB CAROL
Machine
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