Altus Airport
Aircraft Accident/Incident Report

Altus, Oklahoma 73521
Sunday, September 4, 1983 16:07 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT INITIATED A TAKEOFF ON A HOT AFTERNOON WITH 7 PASSENGERS ON BOARD. SHORTLY AFTER LEFT-OFF, 2 WITNESSES OBSERVED WHAT THEY DESCRIBED AS A PUFF OF BLACK SMOKE FROM THE RIGHT ENG. ACCORDING TO WITNESSES, THE ACFT RURNED TO THE LEFT BEFORE CROSSING THE DEPARTURE END OF THE RWY AT LOW ALTITUDE & LOW SPEED. SUBSEQUENTLY, THE ACFT ROLLED RAPIDLY TO THE LEFT & IMPACTED THE GROUND IN A NEAR FLAT ATTITUDE, WITH A HIGH RATE OF SINK, AND SUFFICIENT FORWARD VELOCITY TO SLIDE OR BOUNCE ABOUT 70 FT BEFORE COMING TO REST & BURNING. AN EXAM OF THE WRECKAGE, INCLUDING TEARDOWNS OF BOTH ENGS, REVEALED NO PREIMPACT/MECHANICAL MALFUNCTION OR FAILURE. THE ACFT WAS ESTIMATED TO BE 80 LBS BELOW ITS MAX DESIGN GROSS WT. ITS CENTER OF GRAVITY WAS COMPUTED TO BE 1.45 INCHES AFT OF ITS REAR LIMIT. THE TEMP WAS 101 DEG & THE DENSITY ALTITUDE WAS ABOUT 4000 FT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/4/1983
Event Day of the Week Sunday
Time of Event 1607
Event Time Zone Central Daylight Time
Event City ALTUS
Event State OKLAHOMA
Event Country --
Zipcode of the event site 73521
Event Date Year 1983
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ALTUS
Event Location Nearest Airport ID AXS
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 155
Airport Elevation 1426
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1555 Central Daylight Time
Direction of event from weather observation facility (degrees) 130
Weather Observation Facility ID LTS
Elevation of weather observation facility 1430
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation CDT
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) 15
Air Temperature at event time (in degrees celsius) 38
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 20
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 4000
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 8
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 8
Investigating Agency NTSB
NTSB Docket Number (internal use) 3263
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 23750
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N111FN
NTSB Number FTW83FA416
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 Ground
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 421C
Aircraft Series Identifier 421C
Aircraft Serial Number 421C 0321
Certified Max Gross Weight 7450
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 8
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Apr 18 1983 12:00AM
Airframe hours since last inspection 63
Airframe Hours 1505
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name FIRST BANKSHARES INC.
Aircraft Owner Street Address PO BOX 999
Aircraft Owner City BARTLESVILLE
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 74003
Operator is an individual? --
Operator Name OSAGE AVIATION SERVICES INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address PO BOX 1642
Operator City BARTLESVILLE
Operator State OK
Operator Country
Operator Zip code 74003
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
Departure State
Departure Country
Departure Time 1607
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code BVO
Destination City BARTLESVILLE
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 17
Runway Length 5000
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --