- Date
- July 11, 1965
- Place
- Marquette, MI · MARQUETTE, MI
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- N40043Enstrom F-28
- Status
- Completed · report October 15, 1965
- Report
- Brief approved by the director
- Case key
- 177209
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 ---------------------------------------------------------------------------------------------------------------------------- 2-0496 65/7/11 MARQUETTE MICH ENSTROM F-28 CR- 0 0 1 MISCELLANEOUS COMMERCIAL, FL.INSTR., TIME - 1308 N40043 PX- 0 0 1 DEMONSTRATION AGE 35, 5100 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 332 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - MARQUETTE CO. TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR LANDING: TRAFFIC PATTERN-CIRCLING PROBABLE CAUSE(S) PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT. DIRECTIONAL CONTROL PROBLEM REMARKS- ENTIRE TAIL ROTOR ASSEMBLY SEPARATED FROM THE PROTOTYPE ROTORCRAFT-BLADE GRIP ATTACH SCREWS FAILED
Aircraft
- Registration
- N40043
- Reported as
- Enstrom F-28
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Marquette Co.
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.