- Date
- August 30, 1972
- Place
- Tuba City, AZ · TUBA CITY, AZ
- Injuries
- 1 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N73991Bell 47G3B1
- Status
- Completed · report March 20, 1973
- Report
- Brief approved by the director
- Case key
- 168390
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3336 72/8/30 TUBA CITY,ARIZ BELL 47G3B1 CR- 1 0 0 MISCELLANEOUS COMMERCIAL, AGE 39, TIME - 1330 N73991 PX- 0 0 0 FERRY UNK/NR TOTAL HOURS, DAMAGE-DESTROYED OT- 0 0 0 UNK/NR IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION LAST ENROUTE STOP PROVO,UT WILLCOX,ARIZ SAFFORD,ARIZ TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: OTHER COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT FIRE AFTER IMPACT REMARKS- FATIGUE,INITIATED FRM INTERNAL BEARING SHOULDER.ACFT BROKE UP PRIOR TO IMPACT.FLT PHASE UNK.
Aircraft
- Registration
- N73991
- Reported as
- Bell 47G3B1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
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 N73991 · 2
Matched to the same aircraft by N-number and date.
NTSB LAX83LUJ05Accident · No injuriesFinal reportTucson, AZThe single engine land airplane pilot was on a solo instructional flight, practicing landings in the helicopter. He reported that during a landing, he was too fast. While flaring, the tail rotor hit the ground and one of the tail rotor blades separated.…NTSB LAX67A0083Accident · Serious injuriesClosedKingman, AZ