# N17905: 1972 Schweizer SGS 1-26E

- Status: Valid registration
- Airframe: [Schweizer SGS 1-26E](https://openairdocs.org/model/schweizer-sgs-1-26e) (registry code 8050124, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS 1G10](https://openairdocs.org/tcds/1G10) (K & L Soaring LLC) (OpenAirDocs)
- Serial number: 528
- Year built: 1972
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: November 5, 1981
- Certificate issued: October 21, 2020
- Expires: October 31, 2027
- Mode S code: A13D12
- Registered owner: [Johnson Gustar M](https://openairdocs.org/faa-owner/JOHNSON%20GUSTAR%20M)
- Location: [Newton, NJ](https://openairdocs.org/faa-place/NJ/Newton)
- Owner type: Individual
- Owner's area on the map: 41.0573° N, 74.8027° W: Placed by OpenAirDocs at the center of ZIP code 07860, 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=17905
- Page: https://openairdocs.org/aircraft/N17905

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): 2 in force

### Matched by airframe (Schweizer SGS 1-26E)

- [AD 87-17-01](https://openairdocs.org/ad/87-17-01): Tow Release Installation · K & L Soaring SGS 1-23, SGS 1-23D, SGS 1-23F and 25 more. Effective Aug 19, 1988
- [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 NYC80FA061](https://openairdocs.org/ntsb/NYC80FA061), Jul 24, 1980: Schweizer SGS126 (N17905), Wurtsboro, NY, destroyed, 1 fatal

## FAA accident and incident reports (1)

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 19800724090469A](https://openairdocs.org/incident/19800724090469A), Jul 24, 1980: Scwzer SGS126E (N17905), Wurtsboro, NY, Destroyed. Glider was observed entering spin 300 feet above ground, then continuing spin until ground contact.

## 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) (4)

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 SGS 1-26E)

- [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 SG01164CH](https://openairdocs.org/stc/SG01164CH): Install Cooper superflite 102 fabric. Aviation Products Systems Inc
- [STC SG1265GL](https://openairdocs.org/stc/SG1265GL): Surrendered and incorporated into STC SG01164CH. Cooper Aviation Supply Company, Inc
- [STC SG4WE](https://openairdocs.org/stc/SG4WE): Ceconite 101 covering of complete aircraft. Cooper Engineering Corporation. Lists SGS 1-26 Series

## Earlier aircraft with N17905

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N17905 before.

- [Cancelled 1952-01-16](https://openairdocs.org/deregistered/N17905-1952-01-16): Piper J-2, S/N 1505. Owner: [Rockland Air Service And Sales](https://openairdocs.org/faa-owner/ROCKLAND%20AIR%20SERVICE%20AND%20SALES), [New City, NY](https://openairdocs.org/faa-place/NY/New%20City)

## Related

- Other Schweizer SGS 1-26E aircraft: https://openairdocs.org/model/schweizer-sgs-1-26e/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.