ATL84FA105

NTSB accident investigation · Grumman G-164B · Dawson, GA · February 19, 1984

Accident · FatalField investigationFinal report
Date
February 19, 1984, 08:30 local (13:30 UTC)
Place
Dawson, GA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N6558KGrumman G-164B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840219051559A
Case key
6257

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of engine power(total) - mech failure/malfTakeoff - initial climb
Engine assembly,cylinder - fatigueCause
Engine assembly,cylinder - failure,totalCause
Loss of control - in flightManeuvering - turn to landing area (emergency)
Emergency procedure - improperPilot in commandCause
Airspeed(vs) - not maintainedPilot in commandCause
Stall - inadvertentPilot in command
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

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.

Aircraft

Registration
N6558K
Reported as
Grumman G-164B
Category
Airplane
Serial number
368B
Engine
P&W R985-AN14B, 450 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Aerial application · Part 137
Registered owner
S & W Flying Services, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · December 19, 1983 · 70 hours before
Airport
16J · Dawson Municipal, runway 13, 300 × 75 ft, asphalt

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.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
44
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Toxicology
Performed
Flight hours
2,500 total

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
5 statute miles
Lowest ceiling
25,000 ft overcast
Temperature
57 °F, dew point 52 °F
Altimeter
30.00 inHg
Observed at
ABY, 17 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.