ASN Wikibase Occurrence # 356194
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| Date: | Tuesday 4 March 1997 |
| Time: | 11:00 LT |
| Type: |  Swearingen SA227-AC Metro III |
| Owner/operator: | Conquest Airlines |
| Registration: | N373PH |
| MSN: | AC-538 |
| Total airframe hrs: | 26593 hours |
| Engine model: | Garrett TPE331-11V |
| Fatalities: | Fatalities: 0 / Occupants: 12 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Abilene, TX -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Austin, TX (KAUS) |
| (KABI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Landing runways were 17L and 22. The crew requested runway 35R. During the landing roll, when the first officer engaged the nose wheel steering, the airplane made an unexpected left turn. The crew applied right rudder and right brake; however, the airplane exited the runway. Winds were from the S/SW at 12 knots gusting to 24 knots. No previous discrepancies for the nose wheel steering were noted. During a postincident maintenance taxi check, the 'aircraft made a left turn that increased it's rate rapidly.' Maintenance personnel removed and replaced the #4 brake assembly, repaired a shorting wire at the nose wheel steering power lever switch, and replaced the power lever switch. The company computed a 13 knot tailwind (company limit 10 kts) and stated that skid marks on the runway 'seem to indicate a high rate of speed very late in the landing roll.' When the nose wheel steering actuator was removed and tested, no discrepancies were found. The director of operations commented that the incident 'would not have occurred had the aircraft been landed into the wind' and that 'possible inadvertent disconnection of the steering system was [a] contributing factor.'
Probable Cause: The flightcrew's failure to maintain aircraft control. Factors were the tailwind and a partial nosewheel steering failure.
Accident investigation:
 |
|
Sources:
NTSB FTW97IA120
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 19:59 | ASN Update Bot | Added |
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