Dawson Municipal Airport
Aircraft Accident/Incident Report

Dawson, Georgia 31742
Sunday, February 19, 1984 8:30 EST

NTSB Narrative Summary Released at Completion of Accident

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.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/19/1984
Event Day of the Week Sunday
Time of Event 830
Event Time Zone Eastern Standard Time
Event City DAWSON
Event State GEORGIA
Event Country --
Zipcode of the event site 31742
Event Date Year 1984
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport DAWSON MUNICIPAL
Event Location Nearest Airport ID 16J
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 321
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 855 Eastern Standard Time
Direction of event from weather observation facility (degrees) 135
Weather Observation Facility ID ABY
Elevation of weather observation facility 197
Distance of event from weather observation facility (units?) 17
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 10000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 5
Air Temperature at event time (in degrees celsius) 14
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 150
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1620
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 25441
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6558K
NTSB Number ATL84FA105
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN
Aircraft Model G-164B
Aircraft Series Identifier G-164B
Aircraft Serial Number 368B
Certified Max Gross Weight 4500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 19 1983 12:00AM
Airframe hours since last inspection 70
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name S & W FLYING SERVICES, INC.
Aircraft Owner Street Address P.O. BOX 280
Aircraft Owner City RICHLAND
Aircraft Owner State GA
Aircraft Owner Country
Aircraft Owner Zipcode 31825
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 830
Departure Time Zone EST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 13
Runway Length 300
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --