Aircraft Accident/Incident Report

Le Flore, Oklahoma 74942
Wednesday, May 18, 1988 18:45 CDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT WAS BEING USED TO FLY OVER A WOODED AREA & SPOT CATTLE FOR PSNL ON THE GROUND. AFTER SPOTTING CATTLE FOR ABOUT 2 HRS, THE PLT WAS FLYING AT LOW ALT WHEN THE ACFT SUDDENLY ROLLED INTO A STEEP BANK, THEN THE NOSE DROPPED & THE ACFT CRASHED IN A STEEP DSCNT. A WITNESS RPRTD THE ENG REVVED UP JUST BEFORE IMPACT. SEVERAL TREE BRANCHES WERE FOUND AT THE CRASH SITE THAT HAD BEEN SMOOTHLY SEVERED BY THE PROP. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. DRG TOXICOLOGY STUDIES OF THE OCCUPANTS, LOW LVLS OF COCAINE & MARIJUANA WERE DETECTED. TESTS OF THE PLT'S URINE SHOWED A MARIJUANA METABOLITE LEVEL OF 79 NG/ML & A COCAINE LVL OF 0.13 MCG/ML. HIS BLOOD HAD A CARBOXY-THC LVL OF 12 NG/ML. TESTS OF THE PAX'S URINE SHOWED A MARIJUANA METABOLITE LEVEL OF 56 NG/ML & A COCAINE LEVEL OF 0.2 MCG/ML.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/18/1988
Event Day of the Week Wednesday
Time of Event 1845
Event Time Zone Central Daylight Time
Event City LE FLORE
Event State OKLAHOMA
Event Country --
Zipcode of the event site 74942
Event Date Year 1988
Event Date Month 5
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 1947 Central Daylight Time
Direction of event from weather observation facility (degrees) 260
Weather Observation Facility ID MLC
Elevation of weather observation facility 770
Distance of event from weather observation facility (units?) 35
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) 130
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 896
NTSB Notification Source --
NTSB Notification Date May 18 1988 12:00AM
NTSB Notification Time 2105
Fiche Number and/or location -used to find docket information 37671
Date of most recent change to record Dec 13 2000 11:45AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N212FR
NTSB Number FTW88FA104
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172P
Aircraft Series Identifier 172P
Aircraft Serial Number 17275238
Certified Max Gross Weight 2400
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 100 Hour
Date of Last Inspection Mar 26 1988 12:00AM
Airframe hours since last inspection --
Airframe Hours 4220
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WAYNE T. ABBOTT
Aircraft Owner Street Address P. O. BOX 771
Aircraft Owner City POTEAU
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 74953
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) Other Work Use
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 6F1
Departure City TALIHINA
Departure State OK
Departure Country
Departure Time 1700
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code RKR
Destination City POTEAU
Destination State OK
Destination Country
Specific Phase of Flight Descent
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 --