# N174SW: 2018 Stephen Waterman IV RV-7A

- Status: Valid registration
- Airframe: [Stephen Waterman IV RV-7A](https://openairdocs.org/model/stephen-waterman-iv-rv-7a) (registry code 05635TI, 2 seats)
- Engine: [Superior IO-360 series](https://openairdocs.org/engine/superior-io-360-series) (registry code 59251)
- Data sheets: [TCDS E00001SC](https://openairdocs.org/tcds/E00001SC) (Superior Air Parts Inc.) (OpenAirDocs)
- Serial number: 73956
- Year built: 2018
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV7A
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 17, 2018
- Certificate issued: August 4, 2024
- Expires: August 31, 2031
- Mode S code: A129AE
- Registered owners: [Waterman Stephen IV](https://openairdocs.org/faa-owner/WATERMAN%20STEPHEN%20IV), [Meyer Nicholas](https://openairdocs.org/faa-owner/MEYER%20NICHOLAS)
- Location: [Federal Way, WA](https://openairdocs.org/faa-place/WA/Federal%20Way)
- Owner type: Co-owned
- Owner's area on the map: 47.3052° N, 122.3142° W: Placed by OpenAirDocs at the center of ZIP code 98003, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=174SW
- Page: https://openairdocs.org/aircraft/N174SW

From the FAA registry file of October 20, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Superior IO-360 model are included.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Stephen Waterman IV RV-7A)

None in force.

### Matched by engine (Superior IO-360 series)

- [AD 2020-25-12](https://openairdocs.org/ad/2020-25-12): Reciprocating Engine Power Section · Superior Air Parts IO-360-A1A1, IO-360-A1A2, IO-360-A2A1 and 146 more. Effective Jan 15, 2021
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009

### Historical (superseded or no longer in force)

- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more

## Information bulletins (advisory) (1 in force)

- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009

## NTSB investigations

None matched to N174SW.

## FAA accident and incident reports

None matched to N174SW.

## Service difficulty reports

None filed for this aircraft. Reports filed since December 11, 1996, when the mark's previous registration was cancelled.

## Earlier aircraft with N174SW

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N174SW before.

- [Cancelled 1996-12-11](https://openairdocs.org/deregistered/N174SW-1996-12-11): Fairchild SA227-AC, S/N AC620. Exported to Spain. Owner: [American Equitable Finance Corporation](https://openairdocs.org/faa-owner/AMERICAN%20EQUITABLE%20FINANCE%20CORPORATION), [Norwell, MA](https://openairdocs.org/faa-place/MA/Norwell)

## Related

- Other Stephen Waterman IV RV-7A aircraft: https://openairdocs.org/model/stephen-waterman-iv-rv-7a/aircraft.md
- STCs for the Stephen Waterman IV RV-7A: https://openairdocs.org/model/stephen-waterman-iv-rv-7a/stcs.md
- The Superior IO-360 series engine: https://openairdocs.org/engine/superior-io-360-series.md

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