- Date
- September 1, 1966
- Place
- Quartz Hill, CA · QUARTZ HILL, CA
- Injuries
- 1 serious
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N93067Bell 47D1
- Status
- Completed · report April 21, 1967
- Report
- Brief approved by the director
- Case key
- 121534
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0878 66/9/1 QUARTZ HILL CALIF BELL 47D1 CR- 0 1 0 NONCOMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1550 N93067 PX- 0 0 0 PRACTICE AGE 34, 1500 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 23 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - QUARTZ HILL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE PILOT IN COMMAND - EXERCISED POOR JUDGMENT REMARKS- DEVELOPED HIGH SINK RATE.PILOT DID NOT ATTEMPT A POWER RECOVERY.
Aircraft
- Registration
- N93067
- Reported as
- Bell 47D1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Quartz Hill
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 N93067 · 5
Matched to the same aircraft by N-number and date.
NTSB ERA14LA099Accident · Minor injuriesLimited investigationFinal reportPell City, ALThe pilot’s use of an improper clutch engagement procedure, which resulted in clutch glazing, slippage, and, ultimately, the in-flight disengagement of the clutch and a loss of rotor rpm. Contributing to the accident were the installation of a light-weight…NTSB MIA92LA069Accident · No injuriesLimited investigationFinal reportCross City, FLPartial loss of engine power due to undetermined reasons and unsuitable terrain encountered during the autorotative landing.NTSB MIA90LA023Accident · Serious injuriesLimited investigationFinal reportLoxahatchee, FLFailure of the pilot to maintain rotor RPM after pulling up from a swath run. A related factor was the presence of trees.NTSB FTW85LA043Accident · No injuriesLimited investigationFinal reportTerlingua, TXShortly after the plt took off on a sight-seeing flt, the eng lost power when the helicopter was over rough terrain at about 200 ft AGL. During an autorotative landing, the helicopter rocked forward causing the main rotor blades to strike the tail boom.…NTSB FTW82DA189Accident · No injuriesFinal reportHarrisburg, ARDuring an agricultural spraying operation the pilot turned downwind and the tail rotor struck a rice dike. The pilot lost control and the aircraft landed hard. The main rotor severed the tail boom. Investigation revealed the aircraft had been loaded within…