Aircraft Accident/Incident Report

Wise, Virginia 24293
Saturday, February 2, 1991 10:50 EST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT HAD JUST DEPARTED THE AIRPORT ON AN IFR FLIGHT AND WAS CLIMBING THROUGH 5,500 FEET WHEN THE AIRCRAFT SUDDENLY LOST SIGNIFICANT POWER. HE IMMEDIATELY PERFORMED THE EMERGENCY PROCEDURES FOR LOSS OF POWER BUT COULD NOT CORRECT THE SITUATION. WITH INSUFFICIENT POWER TO RETURN TO HIS DEPARTURE FIELD, HE ELECTED TO LAND ON A RECLAIMED STRIP MINE. ON TOUCHDOWN, THE NOSE LANDING GEAR BROKE AWAY AND THE AIRCRAFT TIPPED ON ITS NOSE AND CAME TO REST INVERTED CAUSING SUBSTANTIAL DAMAGE. SUBSEQUENT INSPECTION OF THE ENGINE REVEALED DAMAGE IN THE NUMBER THREE CYLINDER CAUSED BY A BROKEN EXHAUST VALVE.

NTSB Probable Cause Narrative

THE LOSS OF ENGINE POWER BROUGHT ON BY A FAILURE OF THE NUMBER THREE CLYINDER EXHAUST VALVE. CONTRIBUTING TO THE ACCIDENT WAS UNSUITABLE TERRAIN ON THE EMERGENCY LANDING FIELD.

Event Information

Type of Event Accident
Event Date 2/2/1991
Event Day of the Week Saturday
Time of Event 1050
Event Time Zone Eastern Standard Time
Event City WISE
Event State VIRGINIA
Event Country --
Zipcode of the event site 24293
Event Date Year 1991
Event Date Month 2
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 --
Degrees magnetic from airport --
Airport Elevation --
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 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) 20
Air Temperature at event time (in degrees celsius) 2
Dew Point at event time (in degress fahrenheit) -5
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) 30
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) 827
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45045
Date of most recent change to record Dec 12 2000 9:20AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7816D
NTSB Number BFO91LA027
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR/IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-22-150
Aircraft Series Identifier PA-22-150
Aircraft Serial Number 22-5462
Certified Max Gross Weight 2000
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 1 1990 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ROBERT J SPERA
Aircraft Owner Street Address 106 CRYSTAL LN
Aircraft Owner City WISE
Aircraft Owner State VA
Aircraft Owner Country
Aircraft Owner Zipcode 24293
Operator is an individual? --
Operator Name ROBERT J SPERA
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 106 CRYSTAL LN
Operator City WISE
Operator State VA
Operator Country
Operator Zip code 24293
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 --
Destination Airport Code DKX
Destination City KNOXVILLE
Destination State TN
Destination Country
Specific Phase of Flight Climb
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 --