Aircraft Accident/Incident Report

Danville, Georgia 31017
Wednesday, March 29, 1989 10:45 EST

NTSB Narrative Summary Released at Completion of Accident

THE PLT REPORTED THAT THE ENGINE BEGAN TO LOSE PWR (RPM) DURING CRUISE AS IF IT WAS EXPERIENCING 'A BAD CASE OF CARB ICE'. THE PLT APPLIED CARB HEAT AFTER THE ENGINE LOST OVER 300 RPM. THE ENGINE CONTINUED TO LOSE PWR AND THE PLT ELECTED TO MAKE A PRECAUTIONARY LDG IN AN OPEN FIELD. THE FIELD WAS UNEVEN, AND THE PLT FOUND THAT HE COULD NOT BRAKE THE AIRPLANE TO A STOP BEFORE COLLIDING WITH A FENCE. TOTAL ELAPSED TIME FROM THE INITIAL PWR LOSS TO LDG WAS ONLY 2 TO 3 MINUTES, ACCORDING TO THE PLT. EXAM OF THE ENGINE REVEALED BLACK, SOOTY DEPOSITS ON THE FIRING ENDS OF THE SPARK PLUGS. ACCORDING TO ICING PROBABILITY CURVES, CONDITIONS WERE FAVORABLE FOR THE FORMATION OF MODERATE ICING AT CRUISE PWR. THE AIRPLANE WAS STC'D TO OPERATE ON AUTOGAS, AND WAS FUELED WITH A MIX OF 100LL AVGAS AND AUTO GAS.

NTSB Probable Cause Narrative

THE PILOT DELAYED IN APPLYING CARBURETOR HEAT AFTER THE ENGINE BEGAN TO LOSE POWER, AND HIS SELECTION OF UNSUITABLE TERRAIN FOR A PRECAUTIONARY-LANDING SITE.

Event Information

Type of Event Accident
Event Date 3/29/1989
Event Day of the Week Wednesday
Time of Event 1045
Event Time Zone Eastern Standard Time
Event City DANVILLE
Event State GEORGIA
Event Country --
Zipcode of the event site 31017
Event Date Year 1989
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1052 Eastern Standard Time
Direction of event from weather observation facility (degrees) 285
Weather Observation Facility ID MCN
Elevation of weather observation facility 354
Distance of event from weather observation facility (units?) 21
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 12
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 140
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 980
NTSB Notification Source --
NTSB Notification Date Mar 29 1989 12:00AM
NTSB Notification Time 1356
Fiche Number and/or location -used to find docket information 39143
Date of most recent change to record Dec 13 2000 12:31PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5368H
NTSB Number ATL89LA118
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-16
Aircraft Series Identifier PA-16
Aircraft Serial Number 16-175
Certified Max Gross Weight 1650
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 1 1988 12:00AM
Airframe hours since last inspection 70
Airframe Hours 2800
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name CLEVELAND B. CANNON
Aircraft Owner Street Address RT 11 BOX 106E
Aircraft Owner City MACON
Aircraft Owner State GA
Aircraft Owner Country
Aircraft Owner Zipcode 31201
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 None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code MAC
Departure City MACON
Departure State GA
Departure Country
Departure Time 1015
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --