- Date
- August 21, 1977
- Place
- Council Hill, OK · COUNCIL HILL, OK
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N8716FHughes 269A
- Status
- Completed · report September 22, 1977
- Report
- Brief approved by the director
- FAA report
- 19770821024989A
- Case key
- 146085
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1877 77/8/21 COUNCIL HILL,OK HUGHES 269A CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1630 N8716F PX- 0 0 0 ASSOC CROP CTL ACTIVITY AGE 34, 2276 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 630 IN TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION CHECOTAH,OK HASKELL,OK TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: RETURN TO STRIP HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING FACTOR(S) TERRAIN - HIGH VEGETATION COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- NO LUB FOUND IN FORWARD BEARING OF IDLER PULLEY. LOW RPM RESULTED IN HARD LANDING.
Aircraft
- Registration
- N8716F
- Reported as
- Hughes 269A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
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 N8716F · 1
Matched to the same aircraft by N-number and date.