Aircraft Accident/Incident Report

Norwich, Ohio 43026
Thursday, December 2, 1993 13:41 EST

NTSB Narrative Summary Released at Completion of Accident

EN ROUTE AT FL 240, THE PLANE ENTERED A LEFT SPIRALING DESCENT & SUBSEQUENTLY EXPERIENCED AN INFLIGHT BREAK-UP AT 7000' WITH SEPARATION OF OUTBOARD WINGS, TAIL SECTIONS & INTERNAL VINYL FROM THE NOSE BAGGAGE DOOR. THERE WAS NO DISTRESS CALL. WITNESSES HEARD THE ENGINES & AN EXPLOSIVE SOUND, THEN THEY SAW THE PLANE IN A SPIN, TRAILED BY FALLING DEBRIS. DEBRIS WAS STREWN OVER A DISTANCE OF ABOUT 3.5 MI. LIGHT WEIGHT PIECES INCLUDING VINYL FROM THE BAGGAGE DOOR, WING SKIN, & TAIL SKIN PIECES WERE AMONG THE 1ST DEBRIS ON THE WRECKAGE PATH. TAIL SECTIONS WERE FOUND ABOUT 2.5 MI FROM THE MAIN WRECKAGE WITH EVIDENCE OF OVERLOAD FAILURE; PIECES OF THE WINGS WERE FOUND WITH EVIDENCE OF DOWNWARD/OVERLOAD SEP- ARATION. NO PREEXISTING AIRFRAME FAILURE WAS FOUND THAT WOULD HAVE LED TO LOSS OF CONTROL, INFLIGHT BREAKUP, LOSS OF PRESSURIZATION OR HYPOXIA. THE PLANE WAS INACTIVE FOR ABOUT 2 YRS BEFORE BEING PURCHASED 2 MONTHS BEFORE ACCIDENT. LAST ANNUAL INSPECTION WAS ON 6/8/92. ICING WAS FORECAST FROM 9000' TO 17,000'MSL; TURBULENCE WAS FORECAST BELOW 8000' MSL.

NTSB Probable Cause Narrative

THE PILOT'S LOSS OF AIRCRAFT CONTROL FOR AN UNKNOWN REASON, AND SUBSEQUENT FLIGHT THAT EXCEEDED THE DESIGN STRESS LIMITS OF THE AIRPLANE, WHICH RESULTED IN AN IN-FLIGHT AIRFRAME BREAKUP.

Event Information

Type of Event Accident
Event Date 12/2/1993
Event Day of the Week Thursday
Time of Event 1341
Event Time Zone Eastern Standard Time
Event City NORWICH
Event State OHIO
Event Country --
Zipcode of the event site 43026
Event Date Year 1993
Event Date Month 12
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 Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1350 Eastern Standard Time
Direction of event from weather observation facility (degrees) 240
Weather Observation Facility ID CMH
Elevation of weather observation facility 816
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 8500
Lowest Non-Ceiling Height 3300
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
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) 12
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 18
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2057
NTSB Notification Source --
NTSB Notification Date Dec 2 1993 12:00AM
NTSB Notification Time 1450
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:48PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N515WB
NTSB Number NYC94FA028
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-31T
Aircraft Series Identifier PA-31T
Aircraft Serial Number 7720023
Certified Max Gross Weight 6500
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 Annual
Date of Last Inspection Jun 8 1992 12:00AM
Airframe hours since last inspection 45
Airframe Hours 6685
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BRENT'S INTERNATIONAL INC.
Aircraft Owner Street Address 21587 SKYWEST DR.
Aircraft Owner City HAYWARD
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94541
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) Ferry
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code ESN
Departure City EASTON
Departure State MD
Departure Country
Departure Time 1130
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code DSM
Destination City DES MOINES
Destination State IA
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --