- Date
- July 7, 1972
- Place
- Umiat, AK · UMIAT, AK
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N5337VHiller Acft UH-12E
- Status
- Completed · report January 24, 1973
- Report
- Brief approved by the director
- Case key
- 167156
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1256 72/7/7 UMIAT,ALAS HILLER ACFT UH-12E CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0900 N5337V PX- 0 0 0 AIR TAXI-CARGO AGE 35, 3748 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1413 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - UMIAT DEPARTURE POINT INTENDED DESTINATION UMIAT,ALAS LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: POWER-ON DESCENT HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS MISCELLANEOUS ACTS,CONDITIONS - CHAFED MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT. REMARKS- NR 3 CONROD AND CAP FAILED DUE FRETTING.PLT DROPPED SLING LOAD,HAD TO LND IN POND.
Aircraft
- Registration
- N5337V
- Reported as
- Hiller Acft UH-12E
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Umiat