- Date
- June 29, 1984, 19:50 local (Jun 30, 1984, 00:50 UTC)
- Place
- Arena, WI
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N377STHughes 500C/369HS
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840629033789A
- Case key
- 12677
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.
Loss of engine power(partial) - mech failure/malf
Compressor assembly,stator vane retainer - failure,partialCause
Forced landing
In flight collision with terrain/water
In-flight planning/decision - inadequateFactor
Autorotation - inadequateCause
Roll over
Analysis
During an agricultural spraying operation the helicopter eng lost pwr. The plt attempted an autorotation. The acft rolled over on landing. The plt stated that he observed a loss of eng & rotor RPM, necessatating the autorotation. Inspection of the eng revealed that the third stage stator vanes were broken.
Aircraft
- Registration
- N377ST
- Reported as
- Hughes 500C/369HS
- Category
- Helicopter
- Serial number
- 7406205
- Airframe hours
- 3,204
- Engine
- Allison 250-C20, 278 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- Harold E. Miller
- Last inspection
- 100 hour · April 7, 1984 · 10 hours before
- Departed
- Arena, WI
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 41
- Certificates
- Flight instructor, Commercial
- Airplane ratings
- Single-engine sea, Multi-engine land, Single-engine land
- Instrument ratings
- Helicopter, Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 10,000 total · 650 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 5° at 6 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- 3,500 ft broken
- Temperature
- 68 °F, dew point 55 °F
- Altimeter
- 30.00 inHg
- Observed at
- MSN, 45 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.