- Date
- August 10, 1971
- Place
- Bellwood, IL · BELLWOOD, IL
- Injuries
- 2 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N73989Bell 47G2A1
- Status
- Completed · report July 5, 1972
- Report
- Brief approved by the director
- Case key
- 163043
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4198 71/8/10 BELLWOOD,ILL BELL 47G2A1 CR- 1 0 0 MISCELLANEOUS COMMERCIAL, AGE 29, 1898 TIME - 1628 N73989 PX- 1 0 0 POLICE PATROL TOTAL HOURS, 257 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION CHICAGO,ILL LOCAL TYPE OF ACCIDENT PHASE OF OPERATION AIRFRAME FAILURE: IN FLIGHT IN FLIGHT: OTHER COLLIDED WITH: WIRES/POLES IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) ROTORCRAFT - MISCELLANEOUS UNITS AND ASSEMBLIES: TAIL BOOMS/PYLONS/CONES MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE FACTOR(S) TERRAIN - HIGH OBSTRUCTIONS FIRE AFTER IMPACT REMARKS- T/R DRIVE SHAFT YOKE FAILED,PLT UN CTL HELICOPTER,HIT POLE.
Aircraft
- Registration
- N73989
- Reported as
- Bell 47G2A1
- 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.