Aircraft Accident/Incident Report

Russellville, Alabama 36553
Monday, December 26, 1988 15:30 CST

NTSB Narrative Summary Released at Completion of Accident

WHILE CRUISING AT 2500 FEET WITH RAM AIR GATE OPEN, ENGINE BEGAN TO RUN ROUGH. THE PLT CLOSED THE RAM AIR GATE AND APPLIED CARB HEAT BUT THE ENGINE CONTINUED TO RUN ROUGH AND THEN STOPPED. THE PILOT ATTEMPTED TO LAND IN AN OPEN FIELD, CLEARING SEVERAL LARGE TREES, HOWEVER, AS HE APPROACHED THE AREA, HE WAS TOO LOW TO AVOID THE TREES. HE INTENTIONALLY STALLED THE AIRCRAFT, WHICH RESULTED IN IMPACT WITH THE GROUND AND SUBSTANTIAL DAMAGE TO THE AIRCRAFT. CONDITIONS WERE CONDUCIVE TO THE FORMATION OF CARB ICE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/26/1988
Event Day of the Week Monday
Time of Event 1530
Event Time Zone Central Standard Time
Event City RUSSELLVILLE
Event State ALABAMA
Event Country --
Zipcode of the event site 36553
Event Date Year 1988
Event Date Month 12
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 Not pertinent
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 17
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 130
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 1801
NTSB Notification Source --
NTSB Notification Date Dec 26 1988 12:00AM
NTSB Notification Time 1730
Fiche Number and/or location -used to find docket information 38049
Date of most recent change to record Dec 13 2000 12:21PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N77SA
NTSB Number ATL89DKJ01
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 SLOAN
Aircraft Model RV-4
Aircraft Series Identifier RV-4
Aircraft Serial Number 77
Certified Max Gross Weight 1250
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 22 1988 12:00AM
Airframe hours since last inspection 4
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ALEX SLOAN
Aircraft Owner Street Address 1937 GREENBRIER RD.
Aircraft Owner City FLORENCE
Aircraft Owner State AL
Aircraft Owner Country
Aircraft Owner Zipcode 35630
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 Yes
Departure Airport Code
Departure City MUSCLE SHOALS
Departure State AL
Departure Country
Departure Time 1500
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code M22
Destination City RUSSELLVILLE
Destination State AL
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 --