# NTSB LAX87LA086: Swearingen SA227-AC, N165SW, Yuma, AZ, January 10, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 10, 1987, 00:30 local (07:30 UTC)
- Place: Yuma, AZ
- Coordinates: 32.679039, -114.659461 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.6790&lon=-114.6595&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report December 27, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 25503
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87LA086
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25503/pdf
- Page: https://openairdocs.org/ntsb/LAX87LA086

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Main gear collapsed, landing - roll
  - landing gear,gear locking mechanism - unlocked
  - reason for occurrence undetermined (cause)

## Analysis

THE LEFT MAIN LANDING GEAR RETRACTED AFTER A NORMAL LANDING AND THE AIRCRAFT SWERVED OFF THE LEFT SIDE OF THE RUNWAY INTO THE DIRT. CREWMEMBERS STATED THAT THEY OBSERVED THREE GREEN LANDING GEAR POSITION LIGHTS PRIOR TO TOUCH DOWN AND THAT, AFTER THE AIRCRAFT CAME TO A STOP, THE LEFT GEAR IN TRANSIT LIGHT HAD COME ON AND THE GREEN LIGHT WAS OFF. INSPECTION REVEALED NO MALFUNCTION OR PRE-ACCIDENT DEFECT OF THE LANDING GEAR SYSTEM.

## Aircraft

- Registration: [N165SW](https://openairdocs.org/deregistered/N165SW-2000-03-28), registration cancelled 2000-03-28, S/N AC-514 (OpenAirDocs)
- Reported make and model: SWEARINGEN SA227-AC
- Registry model: [Swearingen SA227-AC](https://openairdocs.org/model/swearingen-sa227-ac) (registry code 8780603) (OpenAirDocs)
- Category: Airplane
- Serial number: AC514
- Airframe hours: 11767
- Engines: GARRETT TPE-331-11461 840 horsepower turbo prop
- Damage: Substantial damage
- Flight: Part 135
- Operator: Sky West Airlines
- Registered owner: General Electric Credit Corp.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 1, 1987
- Departed: IPL, IMPERIAL, CA
- Flight plan: VFR
- Airport: YUM, Yuma Int'L, runway 35, 5,170 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 4,542 total, 1,425 in this make and model, 4,542 as pilot in command, 265 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 340° at 9 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 48 °F, dew point 16 °F
- Altimeter: 30.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19870110001199A](https://openairdocs.org/incident/19870110001199A), Jan 10, 1987: Swrngn SA227AC, Yuma, AZ, Substantial damage. Left main landing gear collapsed shortly after touchdown. Veered off runway. Passengers upset by poor rescue efforts

## Other investigations on N165SW (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX97FA082](https://openairdocs.org/ntsb/LAX97FA082), Jan 5, 1997: Fairchild SA227-AC (N165SW), Bullhead City, AZ, destroyed. Probable cause: failure of the pilot(s) to use 'override' ignition as prescribed by checklist procedures during an encounter with icing conditions, which subsequently led to ice ingestion and dual engine flame-outs.…

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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