# N174SW: Fairchild SA227-AC, registration cancelled 1996-12-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 11, 1996
- Exported to: Spain
- Status when cancelled: Valid registration
- Airframe: [Fairchild SA227-AC](https://openairdocs.org/model/fairchild-sa227-ac) (registry code 3377509)
- Data sheets: [TCDS A8SW](https://openairdocs.org/tcds/A8SW) (OpenAirDocs)
- Serial number: AC620
- Type of aircraft: Fixed wing multi engine
- Certificate issued: November 20, 1996
- Last registry action: November 20, 1996
- Mode S code: A129AE
- Owner when cancelled: [American Equitable Finance Corporation](https://openairdocs.org/faa-owner/AMERICAN%20EQUITABLE%20FINANCE%20CORPORATION)
- Location: [Norwell, MA](https://openairdocs.org/faa-place/MA/Norwell)
- Owner type: Corporation
- Owner's area on the map: 42.1646° N, 70.8188° W: Placed by OpenAirDocs at the center of ZIP code 02061, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N174SW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=174SW
- Page: https://openairdocs.org/deregistered/N174SW-1996-12-11

From the FAA registry file of October 28, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Fairchild SA227-AC: https://openairdocs.org/model/fairchild-sa227-ac.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR SWIA95584](https://openairdocs.org/sdr/SWIA95584), May 23, 1995: EGT COMPENSATOR. OUT OF ADJUST. ON TAKEOFF ROLL THE LEFT ENGINE FAILED TO MAKE FULL POWER AT REDUCED TAKEOFF TORQUE. ADJUSTED THE LEFT ENGINE EGT COMPENSATOR. RUN CHECKS GOOD.
- [SDR SWIA95556](https://openairdocs.org/sdr/SWIA95556), Apr 12, 1995: O-RING. DAMAGED. DURING TAKEOFF, THE LEFT PROP WAS FLUCTUATING. REMOVED SPINNER, BETA CAP, AND TUBE. FOUND FLAT SPOT ON INNER O-RING. REPLACED BOTH O-RINGS. SET BLADE ANGLE AND 
- [SDR SWIA95546](https://openairdocs.org/sdr/SWIA95546), Mar 7, 1995: AIR DIST. ODOR. STRONG BURNING INSULATION SMELL OCCURRED ON DESCENT AND LANDING. INSPECTED COCKPIT WIRING BEHIND INSTRUMENT PANEL, LEFT AND RIGHT SIDE PANELS AND J BOX. FOUND N

## NTSB investigations (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 LAX94IA181](https://openairdocs.org/ntsb/LAX94IA181), Apr 5, 1994: Fairchild SA-227AC (N174SW), Ontario, CA, incident, minor damage. Probable cause: the failure of maintenance personnel to detect a crack in the windscreen which exceeded the operational limits for pressurized flight. A factor in the accident was the inadequacy of the inspection…

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19940405009439I](https://openairdocs.org/incident/19940405009439I), Apr 5, 1994: Swrngn SA227AC (N174SW), Ontario, CA, Minor damage. Captains windshield disintegrated and sucked captain part way out of window. Emergency descent. Landed at Ontario.
- [Incident 19871021074459I](https://openairdocs.org/incident/19871021074459I), Oct 21, 1987: Swrngn SA227AC (N174SW), San Luis Obispo, CA. Landed long. Overshot runway into the overrun. Captain took over control from copilot.

## Other aircraft with N174SW

- [Registered now](https://openairdocs.org/aircraft/N174SW): Stephen Waterman IV RV-7A, S/N 73956, built 2018

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