ASN Wikibase Occurrence # 292925
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| Date: | Monday 17 October 2005 |
| Time: | 15:44 LT |
| Type: |  North American T-39A |
| Owner/operator: | Bae Systems Integrated Defense Solutions Inc. |
| Registration: | N39FS |
| MSN: | 62-4480 |
| Year of manufacture: | 1963 |
| Total airframe hrs: | 20444 hours |
| Engine model: | Pratt & Whitney J60-P3A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mojave, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Test |
| Departure airport: | Mojave Air & Space Port, CA (MHV/KMHV) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Prior to departure, the pilot and copilot calculated takeoff and landing distances for a wet runway. The T39A departed for a test flight, but returned after a short time due to rain showers in the area. The landing runway was still wet from a previous rain shower. The crew selected an approach flap setting and crossed the runway threshold at 125 knots. The captain reported the touchdown was just past the runway numbers, and the crew experienced normal braking action until around the 3,000-foot remaining point. At that point, the braking "seemed ineffective." The flight crew selected antiskid off and normal braking was attempted with limited effect. The captain elected not to abort the landing due to the limited remaining runway and the time needed to spool up the engines. The copilot was calling out speeds and distance remaining, and the captain remembered the airspeed was 60 knots with 2,000 feet of runway remaining. The copilot called "nose wheel steering" a couple seconds later but the steering had little effect on the aircraft. He reported that the braking "became nil" as the aircraft slowed to about 30 knots. The airplane drifted to the right side of the runway and departed the runway surface. The landing gear dug into the soft ground, with the nose gear collapsing aft and the right main gear folding inward. No mechanical failures or malfunctions were found during post accident aircraft inspections.
Probable Cause: The pilot's failure to maintain aircraft control during the landing roll. A wet runway surface was a factor.
Accident investigation:
 |
|
Sources:
NTSB LAX06LA017
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Oct-2022 10:45 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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