- Date
- April 24, 1984, 13:30 local (19:30 UTC)
- Place
- Pocahontas, AR
- Injuries
- 1 uninjured
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N9740CHiller UH-12E
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840424014299A
- Case key
- 33671
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The acft crashed after an engine failure during a swath run at an alt of 20 ft AGL. Examination of the engine revealed 3 dowel pins and 6 screws which hold the starter drive gear and the accessory drive gear had sheared. Metallurgical exam revealed that dowel pins and screws failed from fatigue. The engine had been in operation for 6 hrs since a major overhaul.
Aircraft
- Registration
- N9740C
- Reported as
- Hiller UH-12E
- Category
- Helicopter
- Serial number
- 2118
- Airframe hours
- 2,811
- Engine
- Lycoming VO-540, 305 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Aerial application · Part 137
- Registered owner
- Jerry L. Archer
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · November 13, 1983 · 73 hours before
- Departed
- Pocahontas, AR
- Airport
- Helicopter Ag Strip
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.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 44
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Right
- Flight hours
- 8,050 total · 1 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 235° at 10 knots, gusting 12
- Visibility
- 20 statute miles
- Lowest ceiling
- None
- Temperature
- 75 °F
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 N9740C · 1
Matched to the same aircraft by N-number and date.