- Date
- May 28, 1973
- Place
- Guymon, OK · GUYMON, OK
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N6744CHiller UH-12B
- Status
- Completed · report June 22, 1973
- Report
- Brief approved by the director
- FAA report
- 19730528012929A
- Case key
- 190422
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1372 73/5/28 GUYMON,OKLA HILLER UH-12B CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1820 N6744C PX- 0 0 2 PLEASURE/PERSONAL TRANSP AGE 50, 12000 TOTAL DAMAGE-SUBSTANTIAL OT- 0 0 0 HOURS, 310 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - GUYMON AIRPARK DEPARTURE POINT INTENDED DESTINATION GUYMON,OKLA LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: VERTICAL ROLL OVER LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION POWERPLANT - EXHAUST SYSTEM: EXTERNAL SUPERCHARGER POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - JAMMED PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT. REMARKS- AFTR T/O TO HOVER THEN TRANS LIFT ENG PWR LEVR STUCK.ENG OVERBOOST,PLT CUT IGN.LINKAGE OUT OF RIG.
Aircraft
- Registration
- N6744C
- Reported as
- Hiller UH-12B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Guymon Airpark
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N6744C · 1
Matched to the same aircraft by N-number and date.