Aircraft Accident/Incident Report

Coatesville, Pennsylvania 19320
Saturday, May 23, 1992 10:00 EDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS DEMONSTRATING A STALL, WITH FLAPS EXTENDED, TO THE PASSENGER WHO ABRUPTLY PUSHED THE CONTROL YOKE FORWARD. ACCORDING TO THE PILOT, THE AIRPLANE WENT BEYOND VERTICAL AND DESCENDED FROM 3700 TO 1200 FT MSL BEFORE HE RECOVERED. THE PILOT LANDED SHORTLY AFTERWARDS. POST EXAMINATION OF THE AIRPLANE REVEALED, THE FLAPS, AND WINGS WERE SUBSTANTIALLY DAMAGED.

NTSB Probable Cause Narrative

THE PASSENGERS INTERFERENCE WITH THE CONTROL YOKE, WHICH RESULTED IN THE AIRPLANE ENTERING AN UNUSUAL ATTITUDE, AND THE PILOT OVERSTRESSING THE WINGS DURING THE RECOVERY.

Event Information

Type of Event Accident
Event Date 5/23/1992
Event Day of the Week Saturday
Time of Event 1000
Event Time Zone Eastern Daylight Time
Event City COATESVILLE
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 19320
Event Date Year 1992
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 --
Weather Briefing Completeness Not pertinent
Investigator's weather source Pilot
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 0
Sky/Lowest/Cloud Conditions Clear
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) 26
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2139
NTSB Notification Source --
NTSB Notification Date Jun 3 1992 12:00AM
NTSB Notification Time 900
Fiche Number and/or location -used to find docket information 52008
Date of most recent change to record Dec 11 2000 2:54PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N733PG
NTSB Number BFO92LA081
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 CESSNA
Aircraft Model 172M
Aircraft Series Identifier 172M
Aircraft Serial Number 17268438
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 Annual
Date of Last Inspection Mar 15 1992 12:00AM
Airframe hours since last inspection --
Airframe Hours 2235
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CIVIL AIR PATROL
Aircraft Owner Street Address NATIONAL HEADQUARTERS
Aircraft Owner City MAXWELL AFB
Aircraft Owner State AL
Aircraft Owner Country
Aircraft Owner Zipcode 36104
Operator is an individual? --
Operator Name CIVIL AIR PATROL
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address NATIONAL HEADQUARTERS
Operator City MAXWELL AFB
Operator State AL
Operator Country
Operator Zip code 36104
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 40N
Departure City
Departure State
Departure Country
Departure Time 945
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
Destination Airport Code 40N
Destination City
Destination State
Destination Country
Specific Phase of Flight Maneuvering
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --