ASN Wikibase Occurrence # 45145
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| Date: | Saturday 19 July 2003 |
| Time: | 11:00 |
| Type: |  Grumman American AA-5B Tiger |
| Owner/operator: | Private |
| Registration: | N742BM |
| MSN: | AA5B-0202 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 4159 hours |
| Engine model: | Lycoming O-360-A4K |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Steamboat Sprng, CO -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Steamboat Sprin, CO (SBS) |
| Unknown, | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to one witness, an airplane, matching the description of the accident airplane, departed an airport near Fort Collins, Colorado, at approximately 0900. A second witness reported that an airplane, matching that same description, landed at an airport near Steamboat Springs, Colorado. According to the second witness, the airplane was on the ground for a short time. During this time, the second witness assisted the pilot in servicing one of the airplane's main landing gear tires with air while one of the passengers took a bathroom break. The pilot did not purchase any fuel for the aircraft. The airplane departed at approximately 1045. According to the local Sheriff's office, at 1116, they received a report of vertically rising black smoke near Rabbit Ears Pass. At approximately 1330, a crew in a firefighting helicopter dispatched to the scene to contain the fire, reported that there was aircraft wreckage in the fire. At approximately 1630, a search and rescue team reported an unknown number of fatalities. Due to the post impact fire, the immediate identification of the aircraft and its occupants was not possible. A serial number, obtained from the airplane's engine, was later used to identify the wreckage. The accident site was located in mountainous terrain at an elevation of approximately 9,500 feet msl. The on-site investigation revealed several damaged trees along a 200-foot debris path preceding the accident site near the crest of a heavily forested mountain valley. No preimpact airframe or engine anomalies were identified. The calculated density altitude, at an airport approximately 27 nautical miles west of the accident site, was 9,152 feet msl.
Probable Cause: The pilot's failure to maintain terrain clearance. Contributing factors include the pilot's inadequate preflight planning/preparation, high density altitude, and mountainous conditions.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20030725X01196&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] |
| 08-Dec-2017 18:55 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
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