# N663K: 1930 Stearman 4E

- Status: Valid registration
- Airframe: [Stearman 4E](https://openairdocs.org/model/stearman-4e) (registry code 8560306, 3 seats)
- Engine: [Pratt & Whitney W-SC series](https://openairdocs.org/engine/pratt-whitney-w-sc-series) (registry code 52010)
- Data sheets: [TCDS ATC 292](https://openairdocs.org/tcds/ATC%20292) (Stearman Aircraft Company) (OpenAirDocs)
- Serial number: 4005
- Year built: 1930
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: January 26, 1971
- Certificate issued: June 29, 2015
- Expires: June 30, 2028
- Mode S code: A8C03F
- Registered owners: [Scott William Ben](https://openairdocs.org/faa-owner/SCOTT%20WILLIAM%20BEN), [Scott Sandra M](https://openairdocs.org/faa-owner/SCOTT%20SANDRA%20M)
- Location: [Reno, NV](https://openairdocs.org/faa-place/NV/Reno)
- Owner type: Partnership
- Owner's area on the map: 39.4254° N, 119.8719° W: Placed by OpenAirDocs at the center of ZIP code 89511, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=663K
- Page: https://openairdocs.org/aircraft/N663K

From the FAA registry file of October 24, 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 Pratt & Whitney W-SC model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Stearman 4E)

None in force.

### Matched by engine (Pratt & Whitney W-SC series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (2)

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 WPR21LA197](https://openairdocs.org/ntsb/WPR21LA197), May 17, 2021: Stearman 4E (N663K), Porterville, CA, substantial damage. Probable cause: The pilot’s loss of directional control while landing, which resulted in a landing gear collapse.
- [NTSB SEA90LA059](https://openairdocs.org/ntsb/SEA90LA059), Mar 31, 1990: Stearman 4E (N663K), Burns, OR, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL.

## 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.

- [Accident 20210517006229A](https://openairdocs.org/incident/20210517006229A), May 17, 2021: Stearman Aircraft 4E (N663K), Porterville, CA, Substantial damage. On June 17, 2021, N663K a Stearman Aircraft A4 was involved in a accident while attempting a landing on runway 30 at the Porterville Municipal Airport at…
- [Accident 19900331007359A](https://openairdocs.org/incident/19900331007359A), Mar 31, 1990: Strman 4D (N663K), Burns, OR, Substantial damage. Ground looped landing tail wheel aircraft. Blamed locked brake.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (11)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Stearman 4E)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey
- [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc
- [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International
- [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International
- [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International

## Related

- Other Stearman 4E aircraft: https://openairdocs.org/model/stearman-4e/aircraft.md
- The Pratt & Whitney W-SC series engine: https://openairdocs.org/engine/pratt-whitney-w-sc-series.md

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