- Date
- July 16, 1974
- Place
- Dayton, OR · DAYTON, OR
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N104HAHiller Acft UH-12E
- Status
- Completed · report October 15, 1974
- Report
- Brief approved by the director
- FAA report
- 19740716030029A
- Case key
- 130648
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2810 74/7/16 DAYTON,OREG HILLER ACFT UH-12E CR- 0 0 1 COMMERCIAL AIRLINE TRANSPORT, AGE TIME - 1200 N104HA PX- 0 0 0 ASSOC CROP CTL ACTIVITY 27, 3800 TOTAL HOURS, 190 DAMAGE-SUBSTANTIAL OT- 0 0 0 IN TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION DAYTON,OREG LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: UNCONTROLLED TAKEOFF: INITIAL CLIMB PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. FACTOR(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY REMARKS- CLUTCH SHOE WORN.HIGH IDLE RPM.M/R DRIVE SHAFT FAILED DUE TO IMPACT.M/R SYS SEPARATED.
Aircraft
- Registration
- N104HA
- Reported as
- Hiller Acft UH-12E
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Dayton,Ore
N104HARegistration cancelled May 11, 2012 · Hiller UH-12EAirframe modelHiller UH-12EEngine modelLycoming VO-540 series
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.