Aircraft Accident/Incident Report

Riesel, Texas 76682
Monday, April 1, 1985 15:20 CST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT ENG HAD JUST BEEN TOP OVERHAULED AND A STOL KIT WAS ADDED. THE MECHANIC REPORTEDLY TOLD THE PLT TO BE 'EASY' ON THE ENG AND FLY THE ACFT 45-60 MINS NEAR THE TRAFFIC PATTERN SO IT COULD BE CHECKED FOR OIL LEAKS. THE PLT REPORTEDLYIGNORED THESE INSTRUCTIONS, LEFT THE TRAFFIC PATTERN AND WAS SEEN PERFORMING ABRUPT CLIMBING AND DESCENDING MANEUVERS. A WITNESS REPORTED SEEING THE ACFT SEVERAL MILES FROM THE ARPT TRAILING THIN WHITE SMOKE SHORTLY BEFORE THE ENG STOPPED.THE ACFT THEN MADE A STEEP LEFT TURN AND 'LOST ALTITUDE QUICKLY' IMPACTING TREES. ON SCENE INVESTIGATION REVEALED THE LANDING GEAR AND FLAPS WERE IN THE FULL EXTENDED POSITION. A NEGLIGABLE AMT OF OIL WAS IN THE ENG AND NO EVIDENCE OF AN OIL LEAK WAS FOUND. ENG TEARDOWN REVEALED EVIDENCE OF OIL STARVATION. TWO HOLES WERE FOUND WORN IN THE OIL PRESSURE LINETO THE TURBOCHARGER, HOWEVER, BECAUSE THE INTERNAL TEFLON LINER WAS TRANSFORMED TO ASHES BY INTENSE POST CRASH FIRE IT COULD NOT BE DETERMINED IF THE HOLES WERE WORN THROUGH THE INTERNAL LINER.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/1/1985
Event Day of the Week Monday
Time of Event 1520
Event Time Zone Central Standard Time
Event City RIESEL
Event State TEXAS
Event Country --
Zipcode of the event site 76682
Event Date Year 1985
Event Date Month 4
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 1450 Central Standard Time
Direction of event from weather observation facility (degrees) 315
Weather Observation Facility ID ACT
Elevation of weather observation facility 515
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation CST
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 3000
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) 15
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 11
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 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 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1013
NTSB Notification Source --
NTSB Notification Date Apr 1 1985 12:00AM
NTSB Notification Time 1745
Fiche Number and/or location -used to find docket information 28326
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 N6436N
NTSB Number FTW85FA171
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model T210N
Aircraft Series Identifier T210N
Aircraft Serial Number 21063012
Certified Max Gross Weight 3800
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 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 1 1985 12:00AM
Airframe hours since last inspection 1
Airframe Hours 1606
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WILSON FORMAN
Aircraft Owner Street Address 3418 DUVAL ROAD
Aircraft Owner City AUSTIN
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 78759
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) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 70F
Departure City ROBINSON
Departure State TX
Departure Country
Departure Time 1445
Departure Time Zone CST
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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --