- Date
- July 17, 1962
- Place
- Avalon Bay, CA · AVALON BAY, CA
- Injuries
- 7 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N324Grumman G-21A
- Status
- Completed · report April 6, 1971
- Report
- Brief approved by the director
- Case key
- 148455
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 ---------------------------------------------------------------------------------------------------------------------------- 1-0049 62/7/17 AVALON BAY,CALIF GRUMMAN G-21A CR- 0 0 1 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE TIME - 0930 N324 PX- 0 0 6 40, 9800 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 2600 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - AVALON BAY SPB OPERATOR - AVALON AIR TRANSPORT,INC. DEPARTURE POINT INTENDED DESTINATION AVALON BAY,CALIF LONG BEACH,CALIF TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: PROPELLER TAKEOFF: RUN PROBABLE CAUSE(S) POWERPLANT - PROPELLER AND ACCESSORIES: BLADE RETENTION MECHANISM MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE FACTOR(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION REMARKS- NR 3 PROP BLADE FAILED IN FATIGUE DUE VIBRATION CAUSED BY ROTATION OF BLADE WITHIN RETENTION CLAMP
Aircraft
- Registration
- N324
- Reported as
- Grumman G-21A
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Avalon Bay Spb
N324Registration cancelled Oct 2, 2012 · Grumman G-21AAirframe modelGrumman G-21AEngine modelPratt & Whitney R-985 series
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.
Other investigations on N324 · 1
Matched to the same aircraft by N-number and date.