NTSB Identification: ANC83LA039.
The docket is stored on NTSB microfiche number 21969.
Accident occurred Sunday, January 30, 1983 in ANCHORAGE, AK
Aircraft: PIPER PA-12, registration: N2904M
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE STUDENT PLT STATED THAT ON THE LANDING ROLL WITH A 7 KT RIGHT X-WIND, THE ACFT BEGAN DRIFTING TO THE LEFT. REPORTEDLY, HE TRIED TO CORRECT WITH RIGHT RUDDER, BUT THE FIRE EXTINGUISHER HAD COME LOOSE & BECAME JAMMED UNDER THE RIGHT RUDDER PEDAL. SUBSEQUENTLY, THE ACFT STRUCK A SNOW BERM NEAR THE LEFT SIDE OF THE RWY. ACCORDING TO THE PLT, THE FIRE EXTINGUISHER IS NORMALLY MOUNTED ON THE FLOOR IN FRONT OF THE PLT'S SEAT & IS EASY TO KICK. HE REPORTED NO MECHANICAL IRREGULARITIES WITH THE ACFT EXCEPT FOR THE FIRE, EXTINGUISHER CLAMP. AT 1635 AST, THE WIND WAS REPORTED AS CALM.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FIRE EXTINGUISHER,PORTABLE..LOOSE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FIRE EXTINGUISHER,PORTABLE..DISCONNECTED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLT CONTROL SYST,RUDDER CONTROL..JAMMED


Contributing Factors

TERRAIN CONDITION..SNOWBANK


Contributing Factors

WEATHER CONDITION..UNFAVORABLE WIND


Contributing Factors

DIRECTIONAL CONTROL..NOT POSSIBLE..PILOT IN COMMAND


Contributing Factors

PROPER ALIGNMENT..NOT POSSIBLE..PILOT IN COMMAND

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