ASN Wikibase Occurrence # 36518
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| Date: | 01-AUG-1998 |
| Time: | 22:00 |
| Type: |  Cessna 340A |
| Owner/operator: | private |
| Registration: | N5340F |
| MSN: | 340A0667 |
| Fatalities: | Fatalities: 1 / Occupants: 4 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chicago, IL -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | (CGX) |
| Louisville, KY (LOU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported the airplane decelerated during the takeoff roll. He applied the brakes and as he advanced the throttles to full power the airplane accelerated. The airplane cleared the end of the runway then stalled into Lake Michigan, flipped inverted and sank. One passenger reported that it felt as if someone put on the brakes. One passenger drowned. The pilot used 32' of manifold pressure for takeoff versus 37.3' as placarded. The pilot operating handbook lists normal takeoff speed as 91 KIAS, however the airplane was equipped with vortex generators. The pilot reported looking for 105 to 110 KIAS for takeoff. No evidence was found of the pilot having a multi-engine rating. No evidence of a mechanical failure/malfunction was found. CAUSE: the pilot's improper use of the throttle in not using full power for takeoff, the pilot's failure to use proper aborted takeoff procedures, and the inadvertant stall/mush. A factor associated with the accident was inadequate preflight/planning by the pilot.
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001211X10781
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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