# N40278: 1947 Schweizer SGU-1-19A

- Status: Valid registration
- Airframe: [Schweizer SGU-1-19A](https://openairdocs.org/model/schweizer-sgu-1-19a) (registry code 8050504, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G-17](https://openairdocs.org/tcds/G-17) (K & L Soaring LLC) (OpenAirDocs)
- Serial number: 52A
- Year built: 1947
- Type: Glider
- Engine type: None
- Airworthiness: Standard
- Certificate issued: July 14, 1998
- Expires: October 31, 2027
- Mode S code: A4B77D
- Registered owners: [Clayton Harry L](https://openairdocs.org/faa-owner/CLAYTON%20HARRY%20L), [Erlenwein Susan D](https://openairdocs.org/faa-owner/ERLENWEIN%20SUSAN%20D)
- Location: [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)
- Owner type: Co-owned
- Owner's area on the map: 37.7687° N, 97.2202° W: Placed by OpenAirDocs at the center of ZIP code 67226, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40278
- Page: https://openairdocs.org/aircraft/N40278

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.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Schweizer SGU-1-19A)

- [AD 87-02-01](https://openairdocs.org/ad/87-02-01): Tow-Release Installation Inspection · K & L Soaring SGM 2-37, SGS 1-23, SGS 1-23D and 32 more. Effective Jan 21, 1987

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## 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 UNK64X1181](https://openairdocs.org/ntsb/UNK64X1181), Apr 5, 1964: Schweizer 119A (N40278), Dodge City, KS, substantial damage

## FAA accident and incident reports

None matched to N40278.

## 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) (2)

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 (Schweizer SGU-1-19A)

- [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 SG4-1240](https://openairdocs.org/stc/SG4-1240): Installation of Eonnex cover on aircraft surfaces. Ceconite, Inc

## Related

- Other Schweizer SGU-1-19A aircraft: https://openairdocs.org/model/schweizer-sgu-1-19a/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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