GlennAB1
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GlennAB1
NTSB Identification: ATL85MA177
The docket is stored on NTSB microfiche number 31193.
Nonscheduled 14 CFR operation of GENERAL AVIATION, INC.
Accident occurred Friday, May 31, 1985 in NASHVILLE, TN
Aircraft: GULFSTREAM G-159, registration: N181TG
Injuries: 2 Fatal.
NTSB investigators traveled in support of this investigation and used data obtained from various sources to prepare this aircraft accident report.
THE ACFT WAS BEING OPERATED AS GENERAL AVIATION FLT 115 & WAS DEPTG ON A ROUTINE NIGHT FLT. DRG TAKEOFF/INITIAL CLIMB, THE LEFT ENG LOST PWR. THE FLT CREW ATTEMPTED TO CONT THE CLIMB-OUT, BUT FOLLOWING THE APPLICATION OF WATER-METHANOL, THE PLT LOST DRCTNL CONTROL. SUBSEQUENTLY, THE ACFT BANKED TO THE LEFT, ENTERED A DSCNT & IMPACTED BETWEEN THE PARALLEL RWYS. AN INVESTIGATION DISCLOSED THAT THE LEFT PROPELLER'S BLADE ANGLE WAS 21 DEGS. NO PREIMPACT SYS MALFUNCTION OR FAILURE WAS FOUND. THE COCKPIT VOICE RECORDING INDICATED THAT THE FLT CREW DID NOT COMPLETE ALL OF THE ITEMS ON THE BEFORE TAXI/TAKEOFF CHECKLIST. ONE OF THE ITEMS (PRESUMABLY NOT COMPLETED) WAS A CHECK OF THE H.P. COCK LEVERS. THE CHECKLIST REQUIRED THAT THE H.P. COCK LEVERS BE IN 'CRUISE LOCKOUT' FOR TAKEOFF. THE LEFT H.P. COCK LEVER WAS FOUND BETWEEN THE 'FUEL OFF' & 'FEATHER' POSITIONS. MOVEMENT TO THIS POSITION WOULD HAVE DEACTIVATED THE AUTO-FEATHER SYS & SHUT DOWN THE LEFT ENG.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
- EMERGENCY PROCEDURE..IMPROPER..PILOT IN COMMAND
- PROPELLER FEATHERING..NOT PERFORMED..PILOT IN COMMAND
- PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND
- CHECKLIST..NOT FOLLOWED
- REMEDIAL ACTION..NOT ATTAINED..COPILOT/SECOND PILOT
- AIRSPEED(VMC)..NOT MAINTAINED..PILOT IN COMMAND
- POWERPLANT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND
- FLUID,FUEL..STARVATION
Contributing Factors:
- LIGHT CONDITION..NIGHT