NTSB Identification: ATL84FA105.
The docket is stored on NTSB microfiche number 25441.
Accident occurred Sunday, February 19, 1984 in DAWSON, GA
Aircraft: GRUMMAN G-164B, registration: N6558K
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.

A FAILED CYLINDER HEAD ASSEMBLY RESULTED IN A TOTAL POWER LOSS VERY SHORTLY AFTER TAKEOFF. WITNESSES OBSERVED THE AERIAL APPLICATION ACFT AT 30-50 FT AGL OVER THE RWY BEFORE IT PULLED UP STEEPLY, ROLLED AND ENTERED A NEAR VERTICAL UNCONTROLLED DESCENT TO IMPACT. A POST CRASH FIRE CONSUMED MOST OF THE WRECKAGE. DESPITE OPEN LEVEL TERRAIN OFF THE END OF THE RWY, THE PLT ATTEMPTED TO RETURN TO THE RWY FOR A FORCED LDG. A METALLURGICAL EXAMINATION OF THE FAILED CYLINDER HEAD REVEALED EXTENSIVE FATIGUE CRACKING INITIATED IN THE CYLINDER LINER THREAD ROOTS AND BETWEEN THE COOLING FINS AT THE TOP OF THE CYLINDER.

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

ENGINE ASSEMBLY,CYLINDER..FATIGUE

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

EMERGENCY PROCEDURE..IMPROPER..PILOT IN COMMAND

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

AIRSPEED(VS)..NOT MAINTAINED..PILOT IN COMMAND

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

ENGINE ASSEMBLY,CYLINDER..FAILURE,TOTAL


Index for Feb1984 | Index of months