ASN Wikibase Occurrence # 176522
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| Date: | Saturday 24 April 2004 |
| Time: | 11:40 |
| Type: |  Cessna 172N |
| Owner/operator: | Private |
| Registration: | N5048E |
| MSN: | 17271699 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 8004 hours |
| Engine model: | Lycoming O-320-H2AD |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lyons, CO -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Longmont, CO (2V2) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the flight instructor, they were practicing engine failure procedures (with the use of carburetor heat) when the engine lost power. During the landing roll, the airplane struck a street sign, substantially damaging the airplane. The engine was run by an Airframe and Powerplant mechanic on April 24, 2004. The engine started without hesitation and a carburetor heat check and magneto check were performed with no anomalies. The fuel tanks were reported to be "half full." The temperature was 45 degrees Fahrenheit (F), and the dewpoint was 33 degrees F. According to the Carburetor Icing Chart, the conditions were conducive for "serious icing at cruise power."
Probable Cause: a loss of engine power due to carburetor icing. Contributing factors were weather conditions conducive to carburetor icing and unsuitable terrain available on which to make a forced landing and the road sign.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040524X00635&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-May-2015 19:43 | Noro | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 17:53 | ASN Update Bot | Updated [Other fatalities, Nature, Departure airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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