Aircraft Accident/Incident Report

Wichita Falls, Texas 76300
Wednesday, July 25, 1984 19:20 CDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT LOST THRUST AND STARTED A DESCENT AT FULL POWER DURING CLIMBOUT. A FORCED LANDING WAS MADE IN A RESIDENTIAL AREA. EXAMINATION OF THE ACFT INDICATED THAT THE PROP BLADES HAD TWISTED TO LOW PITCH. ONE BLADE WAS TWISTED 180 DEGREESAT THE SCENE. TORQUES OF LESS THAN 50 FOOT LBS AND 25 FOOT LBS WERE OBTAINED BY FAA. THE ACFT HAD BEEN USED TO TOW BANNERS AND THE TACH FACE WAS MARKED AT 2550 RPM BEYOND THE MAX-RANGE OF THIS PROP AND ENGINE COMBINATION.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/25/1984
Event Day of the Week Wednesday
Time of Event 1920
Event Time Zone Central Daylight Time
Event City WICHITA FALLS
Event State TEXAS
Event Country --
Zipcode of the event site 76300
Event Date Year 1984
Event Date Month 7
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 Weather Observation Facility
Time of the weather observation 1900 Central Daylight Time
Direction of event from weather observation facility (degrees) 180
Weather Observation Facility ID SPS
Elevation of weather observation facility 1015
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 5000
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) 7
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 15
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 Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1238
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 25103
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 N49680
NTSB Number FTW84LA323
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 BOEING
Aircraft Model A75N1
Aircraft Series Identifier A75N1
Aircraft Serial Number 75-2242
Certified Max Gross Weight 2950
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 Jan 3 1984 12:00AM
Airframe hours since last inspection 40
Airframe Hours 6580
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name PATTERSON AVIATION INC.
Aircraft Owner Street Address BOX 5168
Aircraft Owner City WICHITA FALLS
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 76307
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 No
Departure Airport Code F14
Departure City WICHITA FALLS
Departure State TX
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code 30F
Destination City LAKE DALLAS
Destination State TX
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 --