ASN Wikibase Occurrence # 357769
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| Date: | Friday 16 February 1996 |
| Time: | 19:15 LT |
| Type: |  Cessna 182P |
| Owner/operator: | Private |
| Registration: | N9901M |
| MSN: | 18264797 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 4300 hours |
| Engine model: | Continental O-470-S |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | New Orleans, LA -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Houston, TX (KIWS) |
| (KNEW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot made a gliding approach to land from 3,500 feet MSL with the power set at 1500 to 1700 RPM and the carburetor heat on. The pilot reported to the investigator-in-charge that while descending through the first 3,000 feet that he did not clear the engine. The pilot recounted that the RPM began 'falling off', and when he increased the throttle, the RPM did not rise. The pilot performed a forced landing, but due to 'dusky conditions and slight haze', the pilot did not see a levee wall which the right wing impacted while in the landing flare. There was a temperature inversion at the time of the accident, with ground level humidity of 22% and a humidity of 49% at 5,000 feet. The FAA Flight Training Handbook states in the section under 'Descents (Maximum Distance Glides)' that during 'power-off descents, the engine should be cleared periodically to prevent excessive cooling and fouling.' The engine was test run on the airframe. According to the manufacturer, who performed the test run, the engine 'startup was immediate, and the engine ran smoothly.'
Probable Cause: The pilot not following procedures and directives in that he did not periodically clear the engine during an extended glide. The factors were carburetor icing weather conditions and lack of suitable terrain for landing.
Accident investigation:
 |
|
Sources:
NTSB FTW96LA122
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 06:26 | ASN Update Bot | Added |
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