ASN Wikibase Occurrence # 37599
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| Date: | Wednesday 5 March 1986 |
| Time: | 17:06 |
| Type: |  Mitsubishi MU-2B-60 Marquise |
| Owner/operator: | Air Hi Ho |
| Registration: | N513DC |
| MSN: | 1513SA |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 1184 hours |
| Engine model: | GARRETT TPE331-10501M |
| Fatalities: | Fatalities: 5 / Occupants: 5 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Eola, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Chicago, IL (CGX) |
| West Chicago, IL (DPA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
EVIDENCE SHOWS CO-PILOT CALLED, 'MAYDAY, UNCONTROLLED SPIN' AFTER ACFT RADAR TRACK SHOWED DECEL FROM 180 TO 120 KTS OVER 2 MIN PERIOD WHILE MAINTAINING CONSTANT 4000 FT CRZ ALT. CONSTANT ALT CONSISTENT WITH AUTOPILOT/AUTOTRIM USE, PARTICULARLY IN VIEW OF REPORTED TURBULENCE/ICING. ELEV TRIM FOUND AT APPROX 13 DEG NOSE UP. NO EVIDENCE FOUND OF PREIMPACT FAILURE OR MALFUNCTION IN ACFT PWRPLANTS, STRUCTURE OR SYSTEMS. EVIDENCE SUGGESTS SCENARIO OF CREW INATTENTION AFTER PWR REDUCTION WITH AUTOPILOT ALTITUDE SETTING. ON PWR APPLICATION, ACFT PITCHED UP FROM SLOW SPEED INTO UNCONTROLLED FLIGHT. DUTY DAY AT TIME OF MISHAP APPROACHING 11 HOURS. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X33000
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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