- Date
- May 13, 1970
- Place
- Wasilla, AK · WASILLA, AK
- Injuries
- 2 minor
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N5337VHiller Acft UH12E
- Status
- Completed · report May 10, 1972
- Report
- Brief approved by the director
- Case key
- 121471
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-4608 70/5/13 WASILLA,ALAS HILLER ACFT UH12E CR- 0 0 1 MISCELLANEOUS COMMERCIAL, AGE 45, 25674 TIME - 0840 N5337V PX- 0 0 1 FERRY TOTAL HOURS, 1023 IN DAMAGE-SUBSTANTIAL OT- 0 0 0 TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION ANCHORAGE,ALAS FAIRBANKS,ALAS TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE HARD LANDING LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- OIL-OUT FITTING OF 1ST STAGE PLANETARY SYS CONTAINED LARGE PIECES OF WOOD SHAVINGS.TRANS FAILED.
Aircraft
- Registration
- N5337V
- Reported as
- Hiller Acft UH12E
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage