ASN Wikibase Occurrence # 43964
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| Date: | Thursday 2 November 2006 |
| Time: | 13:54 |
| Type: |  Cessna 175 Skylark |
| Owner/operator: | Private |
| Registration: | N9408B |
| MSN: | 55208 |
| Year of manufacture: | 1957 |
| Total airframe hrs: | 4297 hours |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Battle Creek, MI -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Bad Axe, MI (BAX) |
| Chicago, IL | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Air traffic controllers received an emergency radio call from a person representing the airplane. The pilot responded that oil was on the airplane's windshield and that oil pressure was zero. The airplane was given a heading to divert to the closest airport. The pilot was asked if he could maintain altitude and he responded "no." The pilot advised that he was going to land in a field. Air traffic controllers alerted crash, fire, and rescue personnel of the airplane's location. The airplane was found near the top of a crest in rolling pastureland about eight miles northeast of the diversion airport. The empennage was streaked with a liquid consistent with oil. The windshield was broken and pieces of it were coated with a liquid consistent with oil. An on-scene examination of the wreckage revealed no airframe pre-impact anomalies. The top right side of the engine, aft facing forward, was coated with a liquid consistent with oil. The engine case and cylinders showed no pre-impact anomalies that would have precluded engine operation. The top of the separated reduction gear case was coated with a liquid consistent with oil. Disassembly showed that the upper right section of the nose seal assembly, which sealed against the reduction gear case, exhibited an area coated with a liquid consistent with oil. The remainder of the seal was intact and was not coated with liquid. The airplane did not have shoulder harnesses installed and was not required to have them installed. Advisory Circular 91-65, Use of Shoulder Harness in Passenger Seats, in part, stated, "The [National Transportation Safety Board] concluded that shoulder harness use is the most effective way of reducing fatalities and serious injuries in general aviation accidents."
Probable Cause: A loss of engine power while in cruise flight due to an oil leak from the nose seal of the reduction gear case. Contributing to the accident were the oil leak, the pilot's reduced visibility out the windscreen, and rising terrain.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20061107X01620&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 05-Dec-2017 09:29 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Source, Narrative] |
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