- Date
- September 11, 1966
- Place
- Northbrook, IL · NORTHBROOK, IL
- Injuries
- 2 uninjured
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N2172UBrantly B2-B
- Status
- Completed · report May 16, 1967
- Report
- Brief approved by the director
- Case key
- 121579
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0950 66/9/11 NORTHBROOK ILL BRANTLY B2-B CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 40, 84 TOTAL TIME - 1348 N2172U PX- 0 0 1 PLEASURE/PERSONAL TRANSP HOURS, 68 IN TYPE, NOT DAMAGE-DESTROYED OT- 0 0 0 INSTRUMENT RATED. NAME OF AIRPORT - SKY HARBOR TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE COLLIDED WITH: BUILDING(S) IN FLIGHT: EMERGENCY DESCENT PROBABLE CAUSE(S) MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS PILOT IN COMMAND - EXERCISED POOR JUDGMENT MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING TERRAIN - HIGH OBSTRUCTIONS PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- LOOSE CARBON UNSEATED NO.3 CYL EXH VALVE. HELICOPTER WAS AT LOW ALT OVER CONJESTED AREA AT TIME.
Aircraft
- Registration
- N2172U
- Reported as
- Brantly B2-B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
- Airport
- Sky Harbor