NTSB Identification: LAX86FA183.
The docket is stored on NTSB microfiche number 33232.
Accident occurred Monday, April 21, 1986 in BERMUDA DUNES, CA
Probable Cause Approval Date: 03/25/1988
Aircraft: CESSNA 150B, registration: N1118Y
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PURPOSE OF THE RESEARCH & DEVELOPMENT FLIGHT WAS TO DOCUMENT THROUGH THE USE OF VIDEOTAPE THE DEPLOYMENT & TRAJECTORY OF A SPECIALITY PARACHUTE WHICH WAS CONNECTED TO A BALLAST BAG. THE PLT, WHO WAS THE DESIGNER OF THE DEVICE, UTILIZED HIS EXPERIMENTAL CATEGORY ACFT FOR THE LAUNCH. AT THE PREARRANGED ALTITUDE OF 3000 FT AGL, THE DEVICE EXITED OUT OF THE LEFT SIDE OF THE ACFT. THE ACFT'S DOOR HAD BEEN PREVIOUSLY REMOVED, & WHEN THE DEVICE LEFT THE ACFT THE BALLAST BAG'S ATTACHMENT CORD BECAME ENTANGLED WITH THE LEFT LANDING GEAR WHEEL RIM ASSEMBLY. THE PARACHUTE, WHICH REMAINED ATTACHED TO THE BAG, STREAMERED BEHIND THE ACFT. THE ACFT STALLED, PITCHED DOWNWARD & DESCENDED INTO TERRAIN WHILE IN A VERTICAL ATTITUDE. THE PLT BAILED OUT OF THE ACFT AT ABOUT 400 FT AGL. HIS PERSONAL PARACHUTE DID NOT DEPLOY. THE PLT WAS FOUND TO HAVE A 0.10 LEVEL OF ETHYL ALCOHOL IN HIS BLOOD.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IMPAIRMENT(ALCOHOL)..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PROCEDURE INADEQUATE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LOAD JETTISON..NOT ATTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR..FOREIGN OBJECT



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