- Date
- November 19, 1966
- Place
- Woodville, TX · WOODVILLE, TX
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N9780CHiller UH-12L
- Status
- Completed · report June 15, 1967
- Report
- Brief approved by the director
- Case key
- 120102
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 ---------------------------------------------------------------------------------------------------------------------------- 2-1108 66/11/19 WOODVILLE TEX HILLER UH-12L CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 35, 7200 TIME - 1400 N9780C PX- 0 0 0 ASSOC CROP CTL ACTIVITY TOTAL HOURS, 500 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: INITIAL CLIMB HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY ROTORCFT-SLIPPAGE CAUSED BY GLAZED FRICTION SHOES. FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 1800 KIND OF OPERATION - DEFOLIATION (LIQUID) KIND OF CROP - OTHER TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED GLOVES - NOT USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED COCKPIT CRASHPAD - NOT INSTALLED CRASH BAR - NOT INSTALLED TANK/HOPPER-LOCATION - SIDES REMARKS- IMPROPER CLUTCH ENGAGEMENT.
Aircraft
- Registration
- N9780C
- Reported as
- Hiller UH-12L
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N9780CRegistration cancelled May 30, 2013 · Hiller UH-12LAirframe modelHiller UH-12LEngine 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.
Other investigations on N9780C · 3
Matched to the same aircraft by N-number and date.