ASN Wikibase Occurrence # 41192
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| Date: | Sunday 12 June 1983 |
| Time: | 12:30 |
| Type: |  Thorp T-18 |
| Owner/operator: | Private |
| Registration: | N11BD |
| MSN: | 401 |
| Total airframe hrs: | 900 hours |
| Engine model: | LYCOMING IO-320-B1A |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Morristown, NJ -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT HAD BEEN ACTIVE IN ORGANIZING AN AIR SHOW, BUT WAS NOT CONSIDERED A PARTICIPANT. HOWEVER, HIS HOME BUILT ACFT WAS ON STATIC DISPLAY. ON THE 2ND DAY OF THE SHOW, THE CHAIRMAN OF THE EVENT GAVE HIM PERMISSION TO DO A FLY-BY. SUBSEQUENTLY, HE INITIATED A PASS DOWN RWY 23 AT AN ALTITUDE OF APRX 150 FT AGL. DURING THE PASS, THE ACFT BEGAN TO PORPOISE, MADE 2 OSCILLATIONS ABOUT THE LATERAL AXIS, THEN BEGAN TO DISINTEGRATE. WHILE STILL IN FLT, THE WINGS, FLAPS, VERTICAL STABILIZER, RUDDER, RIGHT HORIZONTAL STABILIZER & PARTS OF THE CANOPY SEPARATED. THE FUSELAGE THEN ROLLED SLIGHTLY TO THE RIGHT, CRASHED & BURNED. THE ACFT WAS NOT CERTIFICATED FOR AEROBATIC flight. THE MANUFACTURER OF THE KIT (FROM WHICH THE ACFT WAS BUILT) RECOMMENDED THE CRUISE SPEED (VNO) BE 172 MPH & THE NEVER EXCEED SPEED (VNE) BE 210 MPH. THE ACFT'S AIRSPEED INDICATOR WAS CALIBRATED IN KTS & WAS MARKED WITH THE VNO & VNE AT 170 & 213 KTS (196 & 244 MPH), RESPECTIVELY. PSEUDOEPHEDRINE & CHLORPHENIRAMINE FOUND IN PLT'S URINE. CAUSE:
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X43489
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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