- Date
- August 24, 1979
- Place
- Alice, TX · ALICE, TX
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N8573FBell 47G-4A
- Status
- Completed · report November 14, 1979
- Report
- Brief approved by the director
- FAA report
- 19790824027239A
- Case key
- 134144
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2548 79/8/24 NR.ALICE,TX BELL 47G-4A CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 28, 3410 TIME - 0930 N8573F PX- 0 0 1 OTHER TOTAL HOURS, 3358 IN DAMAGE-SUBSTANTIAL OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION ALICE,TX LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: OTHER HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE FACTOR(S) TERRAIN - HIGH OBSTRUCTIONS MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- TAIL ROTOR GEAR BOX,PINION SHAFT THRUST BEARING FAILED DRG ROUND-UP.AUTOROTATION AFTR CLRNG TREES.
Aircraft
- Registration
- N8573F
- Reported as
- Bell 47G-4A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N8573FRegistration cancelled May 14, 2013 · Bell 47G-4AAirframe modelBell 47G-4AEngine modelLycoming VO-540 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N8573F · 1
Matched to the same aircraft by N-number and date.