- Date
- July 21, 1979
- Place
- Alpine, NJ · ALPINE, NJ
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N711GTBell 206B
- Status
- Completed · report July 29, 1980
- Report
- Brief approved by the director
- Case key
- 133825
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3911 79/7/21 ALPINE,NJ BELL 206B CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1019 N711GT PX- 0 0 1 BUSINESS AGE 30, 3690 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1800 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION WHITE PLAINS,NY BERGEN,NJ TYPE OF ACCIDENT PHASE OF OPERATION AIRFRAME FAILURE: IN FLIGHT IN FLIGHT: NORMAL CRUISE PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: NORMAL CRUISE PROBABLE CAUSE(S) SYSTEMS - OTHER SYSTEMS: OTHER MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES MISCELLANEOUS ACTS,CONDITIONS - OUT OF BALANCE ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT REMARKS- ELT ANT SEPD DUE TO FATIGUE.TAIL ROTOR GROOVES MATCH ELT ANT.TAIL ROTOR GEAR BOX STUDS FAILED.
Aircraft
- Registration
- N711GT
- Reported as
- Bell 206B
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Substantial damage