- Date
- August 24, 1979
- Place
- Hamilton, MT · HAMILTON, MT
- Injuries
- 2 minor
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N4524Kaman HH-43F
- Status
- Completed · report March 16, 1981
- Report
- Brief approved by the director
- FAA report
- 19790824027569A
- Case key
- 133850
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4011 79/8/24 NR.HAMILTON,MT KAMAN HH-43F CR- 0 0 2 COMMERCIAL COMMERCIAL, AGE 25, 1710 TIME - 0930 N4524 PX- 0 0 0 OTHER TOTAL HOURS, 1010 IN DAMAGE-DESTROYED OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - LOGGING SITE DEPARTURE POINT INTENDED DESTINATION HAMILTON,MT LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: HOVERING COLLIDED WITH: TREES LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- PWRSHAFT,PN 1-100-620-01,FAILED.FATIGUE CRACK FND IN AREA OF HVY WEAR.
Aircraft
- Registration
- N4524
- Reported as
- Kaman HH-43F
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Destroyed
- Airport
- Logging Site
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 N4524 · 1
Matched to the same aircraft by N-number and date.