- Date
- June 28, 1968
- Place
- Muskegon, MI · MUSKEGON, MI
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N10321Hiller UH-12D
- Status
- Completed · report September 6, 1968
- Report
- Brief approved by the director
- Case key
- 109932
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2101 68/6/28 MUSKEGON,MICH HILLER UH-12D CR- 0 0 1 MISCELLANEOUS COMMERCIAL, FL.INSTR., TIME - 1045 N10321 PX- 0 0 0 TEST AGE 42, 2586 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 0 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - MUSKEGON COUNTY TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING LANDING: POWER-ON LANDING PROBABLE CAUSE(S) PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS FACTOR(S) PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE REMARKS- TOTAL ROTORCRAFT TIME 3HRS.VIBRATION DUE TO HEAVY BLADE FROM BEING IN STORAGE.
Aircraft
- Registration
- N10321
- Reported as
- Hiller UH-12D
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Muskegon County