ASN Wikibase Occurrence # 377591
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Date: | Friday 8 March 1985 |
Time: | 19:43 LT |
Type: | Fairchild SA227-AC Metro III |
Owner/operator: | Horizon Airlines, Inc. |
Registration: | N3115U |
MSN: | AC-589 |
Total airframe hrs: | 904 hours |
Engine model: | GARRETT TPE33111U611G |
Fatalities: | Fatalities: 0 / Occupants: 20 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Hailey, ID -
United States of America
|
Phase: | Landing |
Nature: | Unknown |
Departure airport: | Salt Lake City, UT (KSLC) |
Destination airport: | Hailey, ID (KSUN) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:ON LDG THE EXPERIENCED CAPTN ENCOUNTERED A RIGHT DRIFT ON THE DRY RWY WITH NEGLIGIBLE WINDS. RUDDER/PWR/NOSEWHEEL STEERING INPUTS WERE INSUFFICIENT TO REGAIN DIRECTIONAL CONTROL. RIGHT DRIFT TRANSLATED INTO A STRONG RIGHT SWERVE WITH CONTINUED APPLICATION OF FULL LEFT NOSEWHEEL STEERING AND SIMULTANEOUS BRAKING. ACFT DEPARTED RIGHT SIDE OF RWY AND NOSEWHEEL OBSERVED TRACKING STRAIGHT INTO SNOW & NO NOSEWHEEL SKID MARKS OBSERVED. TESTING REVEALED REDUCED NOSEWHEEL STEERING EFFECTIVENESS WITH DECREASING NOSE STRUT COMPRESSION DUE TO ENGAGEMENT OF CENTERING CAM. CAPTN REPORTED 'NOSE HIGH' TAXI ATTITUDE AND 'PITCH SENSITIVE' FLT. CAPTN/OTHER PLTS REPORTED DIFFICULTY ACHIEVING EQUAL BRAKING DURING CONDITIONS OF LARGE RUDDER PEDAL DISPLACEMENT. THIS CONDITION IS NOT ADDRESSED IN PLT/OPS MANUALS. CHECK OF BRAKE/NOSEWHEEL STEERING SYSTEMS REVEALED NO MECHANICAL MALFUNCTION.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | SEA85LA070 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB SEA85LA070
Location
Revision history:
Date/time | Contributor | Updates |
30-Mar-2024 14:22 |
ASN Update Bot |
Added |
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