Aircraft Incident/Accident Report
Greater Pittsburgh Int'l Airport

Collier Twnshp, Pennsylvania 15031
Wednesday, September 14, 1983 14:31 EDT

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NTSB Narrative Summary Released at Completion of Accident
DURING ARRIVAL, THE PLT CONTACTED APCH CONTROL & WAS PROVIDED RADAR VECTORS FOR A VISUAL APCH. WHILE ON THE APCH, HE WAS INSTRUCTED TO KEEP HIS SPEED UP UNTIL HE WAS 1 1/2 MI ON FINAL. VECTORS WERE PROVIDE WITH TURNS AS NECESSARY UNTIL THE ACFT WAS 6 1/2 TO 7 MI FROM THE RWY. AT THAT TIME, THE PLT REPORTED THAT HE HAD THE ARPT IN SIGHT. HE WAS THEN INSTRUCTED TO PROCEED INBOUND FOR RWY 32 & TO KEEP HIS SPEED UP AS LONG AS FEASIBLE. THE PLT ACKNOWLEDGED. SHORTLY AFTER THAT, RADIO & RADAR CONTACT WERE LOST. A NUMBER OF WITNESSES HEARD & SAW THE ACFT AT A FASTER THAN NORMAL SPEED. SEVERAL SAW THE ACFT & DEBRIS FALLING AFTER AN IN-FLT BREAKUP OCCURRED. EVIDENCE WAS FOUND THAT THE WINGS & RIGHT HORIZONTAL STABILIZER HAD SEPARATED DOWNWARD & THE LEFT HORIZONTAL STABILIZER HAD SEPARATED UPWARD. THE AILERON, RUDDER & STABILIZER BALANCE WTS WERE STILL IN PLACE. RADAR DATA REVEALED THAT THE GROUND SPEED ON FINAL APCH HAD INCREASED TO 208 KTS. THE NEVER EXCEED SPEED (VNE) WAS 189 KCAS & 197 KIAS. ANOTHER PLT REPORTED LGT TO MOD TURB.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
Type of EventAccident 
Event Date9/14/1983 
Event Day of the WeekWednesday 
Time of Event1431 
Event Time ZoneEastern Daylight Time 
Event CityCOLLIER TWNSHP  
Event StatePENNSYLVANIA 
Event Country-- 
Zipcode of the event site15031  
Event Date Year1983 
Event Date Month
MidAir Collision IndicatorNo 
On Ground Collision occurred ?No 
Event Location Latitude  
Event Location Longitude  
Event Location AirportGREATER PITTSBURGH INT'L  
Event Location Nearest Airport IDPIT  
Indicates whether the acc/inc occurred off or on an airportOff Airport/Airstrip 
Distance from airport in statute miles
Degrees magnetic from airport140 
Airport Elevation1202 
Weather Briefing CompletenessUnknown 
Investigator's weather sourceWeather Observation Facility 
Time of the weather observation1450 Eastern Daylight Time 
Direction of event from weather observation facility (degrees)140 
Weather Observation Facility IDPIT  
Elevation of weather observation facility1202 
Distance of event from weather observation facility (units?)
Time Zone of the weather observationEDT 
Lighting ConditionsDay 
Lowest Ceiling Height3300 
Lowest Non-Ceiling Height
Sky/Lowest/Cloud ConditionsUnknown 
Sky Condition for Lowest CeilingBroken 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles) 15 
Air Temperature at event time (in degrees celsius)18 
Dew Point at event time (in degress fahrenheit)
Wind Direction (degrees magnetic)360 
Variable Wind IndicatorUnknown 
Wind Speed (knots)11 
Wind Velocity Indicator Unknown 
Wind Gust IndicatorNot Gusting 
Wind Gust (knots)
Altimeter Setting at event time (in. Hg) 30 
Density Altitude (feet)-- 
Intensity of PrecipitationUnknown 
METAR weather report -- 
Event Highest InjuryFatal 
On Ground, Fatal Injuries
On Ground, Minor Injuries
On Ground, Serious Injuries
Injury Total Fatal
Injury Total Minor-- 
Injury Total None-- 
Injury Total Serious-- 
Injury Total All
Investigating AgencyNTSB 
NTSB Docket Number (internal use)2914 
NTSB Notification Source-- 
NTSB Notification Date-- 
NTSB Notification Time
Fiche Number and/or location -used to find docket information23232 
Date of most recent change to recordJan 2 2001 9:16AM 
User who most recently changed recorddbo  
Basic weather conditionsVisual Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN84703 
NTSB NumberNYC83FA242  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 91: General Aviation 
Type of Flight Plan filedIFR 
Flight plan Was Activated?-- 
DamageDestroyed 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NamePIPER  
Aircraft ModelPA-32R-301  
Aircraft Series IdentifierPA-32R-301 
Aircraft Serial Number32R-8213011  
Certified Max Gross Weight3600 
Aircraft CategoryAirplane 
Aircraft Registration ClassU.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
Number of Engines
Fixed gear or retractable gearRetractable 
Aircraft, Type of Last Inspection100 Hour 
Date of Last InspectionSep 2 1983 12:00AM 
Airframe hours since last inspection20 
Airframe Hours334 
ELT InstalledYes 
ELT ActivatedYes 
ELT Aided Location of Event SiteUnknown 
ELT Type-- 
Aircraft Owner NameTRIANGLE AVIATION , INC.  
Aircraft Owner Street Address2750 RIDGEWAY RD.  
Aircraft Owner CityDAYTON  
Aircraft Owner StateOH 
Aircraft Owner Country  
Aircraft Owner Zipcode45419  
Operator is an individual?-- 
Operator NameWRIGHT BROS. AERO CORP.  
Operator Same as Owner?No 
Operator Is Doing Business As-- 
Operator Address Same as Owner?No 
Operator Street AddressDAYTON INT'L AIRPORT  
Operator CityDAYTON  
Operator StateOH 
Operator Country  
Operator Zip code  
Operator Code  
Owner has at least one certificateYes - certificate holder 
Other Operator of large aircraft?No 
Certified for Part 133 or 137 OperationUnknown 
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)Business 
Second Pilot on BoardNo 
Departure Point Same as EventNo 
Departure Airport CodeDAY  
Departure CityDAYTON  
Departure StateOH 
Departure Country  
Departure Time1309 
Departure Time ZoneEDT 
Destination Same as Local Flt-- 
Destination Airport CodePIT  
Destination CityPITTSBURGH  
Destination StatePA 
Destination Country  
Specific Phase of FlightApproach 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJan 2 2001 10:36AM 
User who most recently changed recorddbo  
Since inspection or accident-- 
Event Location Runway Number and Location32  
Runway Length8100 
Runway Width150 
Sight Seeing flightNo 
Air Medical FlightNo 
Medical Flight--