Sand Ridge (Private) Airport
Aircraft Accident/Incident Report

Collinsville, Oklahoma 74021
Wednesday, September 11, 1991 11:28 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS PERFORMING TOUCH AND GO MANEUVERS AT THE PRIVATE AIRSTRIP. THE AIRPLANE WAS OBSERVED TO LAND WITH FULL FLAPS AND THEN TAKE OFF. DURING THE INITIAL CLIMB, THE AIRPLANE'S WINGS APPEARED TO WOBBLE BEFORE THE NOSE DROPPED AND IT ROLLED TO THE LEFT IN A DESCENT. IT IMPACTED INTO A RESIDENCE'S YARD NEXT TO THE RUNWAY. THE PILOT/OWNER DIED AT THE HOSPITAL. THE EXAMINATION OF THE WRECKAGE REVEALED THE FLAPS WERE SET BETWEEN 15 AND 20 DEGREES AT IMPACT. NO MECHANICAL ANOMALIES WERE NOTED TO THE AIRPLANE OR ITS ENGINE. THE PILOT'S FAA MEDICAL HAD BEEN DENIED IN 1985.

NTSB Probable Cause Narrative

THE INADVERTENT STALL BY THE PILOT. A FACTOR WAS THE IMPROPER DEPARTURE FLAP SETTING.

Event Information

Type of Event Accident
Event Date 9/11/1991
Event Day of the Week Wednesday
Time of Event 1128
Event Time Zone Central Daylight Time
Event City COLLINSVILLE
Event State OKLAHOMA
Event Country --
Zipcode of the event site 74021
Event Date Year 1991
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SAND RIDGE (PRIVATE)
Event Location Nearest Airport ID NONE
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 675
Weather Briefing Completeness Unknown
Investigator's weather source Witness
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 4000
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) 10
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 22
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
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 --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1543
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45392
Date of most recent change to record Dec 12 2000 10:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N19083
NTSB Number FTW91LA160
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 150L
Aircraft Series Identifier 150L
Aircraft Serial Number 15074154
Certified Max Gross Weight 1600
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 13 1990 12:00AM
Airframe hours since last inspection 21
Airframe Hours 4715
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WILLIAM H. GRIFFIN
Aircraft Owner Street Address 13869 NO. 152 EAST AVENUE
Aircraft Owner City COLLINSVILLE
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 74021
Operator is an individual? --
Operator Name WILLIAM H. GRIFFIN
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 13869 NO. 152 EAST AVENUE
Operator City COLLINSVILLE
Operator State OK
Operator Country
Operator Zip code 74021
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 0
Departure Time Zone
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 Takeoff
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 17
Runway Length 2600
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --