ASN Wikibase Occurrence # 369477
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| Date: | Tuesday 22 November 1988 |
| Time: | 20:55 LT |
| Type: |  Cessna A185F |
| Owner/operator: | Cape Smythe Air Service |
| Registration: | N20752 |
| MSN: | 18503041 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 2009 hours |
| Engine model: | CONTINENTAL IO-520 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Deadhorse, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Barrow, AK (BRW) |
| Deadhorse, AK (SCC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ACFT BOUNCED SEVERAL TIMES DURING LANDING. THE PILOT COLLAPSED SHORTLY AFTER GETTING OUT OF THE AIRPLANE. BLOOD SAMPLES, TAKEN FROM THE PILOT THREE HOURS AFTER LANDING, CONTAINED 22.1% CARBON MONOXIDE. THE LEFT ENGINE MUFFLER OVERBOARD TUBE WAS BROKEN LOOSE FROM THE MUFFLER, WHERE THE TWO ARE WELDED, ALLOWING EXHAUST GAS TO ENTER THE COCKPIT THROUGH THE HEATER SYSTEM. THE OVERBOARD TUBE HAD A .022 INCH DEEP GROOVE FROM RUBBING AGAINST THE ENGINE COWLING, ON THE SIDE WHERE THE CRACK ORIGINATED. THE MUFFLER HAD BEEN INSTALLED DURING THE LAST 100 HOUR INSPECTION, 68 HOURS PREVIOUSLY. THE SOURCE OF MANUFACTURER OF THE MUFFLER COULD NOT BE VERIFIED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB ANC89IA019
History of this aircraft
Other occurrences involving this aircraft
| 3 May 1992 | N20752 | Cape Smythe Air Service, Inc | 0 | Barrow, AK | |
sub |
| 28 November 1992 | N20752 | Cape Smythe Air Service | 0 | Point Hope, AK | |
sub |
| 13 August 1993 | N20752 | Cape Smythe Air Service | 0 | Point Barrow, AK | |
sub |
| 15 October 1994 | N20752 | Cape Smythe Air Service, Inc. | 0 | Kotzebue, AK | |
sub |
| 2 August 1996 | N20752 | Cape Smythe Air Service, Inc. | 0 | Wainwright, AK | |
sub |
| 25 August 1997 | N20752 | Cape Smythe Air Service Inc. | 0 | Barrow, AK | |
sub |
| 11 August 2000 | N20752 | Cape Smythe Air Service | 0 | BARROW, AK | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 15:02 | ASN Update Bot | Added |
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