- Date
- June 4, 1972
- Place
- Lamonte, MO · LAMONTE, MO
- Injuries
- 1 serious
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N30090Grant GB-1
- Status
- Completed · report October 19, 1972
- Report
- Brief approved by the director
- Case key
- 166730
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0465 72/6/4 LAMONTE,MO GRANT GB-1 CR- 0 1 0 INSTRUCTIONAL STUDENT, AGE 41, 6474 TIME - 1030 N30090 PX- 0 0 0 TRAINING TOTAL HOURS, 7 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - KEELE FARM DEPARTURE POINT INTENDED DESTINATION LAMONTE,MO LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: MAIN ROTOR TAKEOFF: INITIAL CLIMB ROLL OVER LANDING: ROLL PROBABLE CAUSE(S) ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL) TERRAIN - WET,SOFT GROUND EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- TOOK OFF TO CK ROTOR BEAT AFTER ADJUSTMENT. PLT WAS MILITARY RATED.
Aircraft
- Registration
- N30090
- Reported as
- Grant GB-1
- Category
- Gyroplane
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Keele Farm
N30090Registration cancelled Jul 29, 2023 · Grant-Bensen GB-1Airframe modelGrant-Bensen GB-1Engine modelMcculloch 4318A&E/0-100
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.