- Date
- July 29, 1982, 12:27 local (18:27 UTC)
- Place
- Medora, ND
- Injuries
- 1 fatal, 3 serious, 1 minor
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N4202SEnstrom F-280
- Weather
- Visual (VMC) · Day
- Status
- Completed · report July 29, 1983
- Report
- Approved by Office Director
- FAA report
- 19820729039729A
- Case key
- 71653
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
During flt the plt noticed that eng RPM was about 500 over rotor RPM. The acft crashed during an unsuccessful autorotation. The overrunning clutch linkage & clutch was found in the disengaed position. A successful autorotation requires that the collective control lever be placed in the full down position & the helicopter positioned in a descent so as to maintain approximately 60 mph forward airspeed & the m/r blade speed kept within the green arc on the tachometer.
Aircraft
- Registration
- N4202S
- Reported as
- Enstrom F-280
- Category
- Helicopter
- Serial number
- 1018
- Airframe hours
- 478
- Engine
- Lycoming HTO-360-C1A, 205 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Part 91
- Operator
- James R. Ziebart
- Registered owner
- James R. Ziebart
- Departed
- Medora, ND
- Destination
- Medora, ND
- Airport
- Private Helipad
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
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Flight hours
- 670 total · 600 in this make and model · 656 as pilot in command · 100 in the last 90 days · 60 in the last 30 days · 7 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 0° at 15 knots
- Visibility
- 15 statute miles
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.