# N17926: 1973 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: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS 1G10](https://openairdocs.org/tcds/1G10) (K & L Soaring LLC) (OpenAirDocs)
- Serial number: 559
- Year built: 1973
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: June 14, 1973
- Certificate issued: October 19, 2016
- Expires: October 31, 2029
- Mode S code: A13D59
- Registered owner: [Pk Flyer LLC](https://openairdocs.org/faa-owner/PK%20FLYER%20LLC)
- Location: [Lancaster, CA](https://openairdocs.org/faa-place/CA/Lancaster)
- Owner type: LLC
- Owner's area on the map: 34.7377° N, 118.3874° W: Placed by OpenAirDocs at the center of ZIP code 93536, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=17926
- Page: https://openairdocs.org/aircraft/N17926

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 (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N17926.

## FAA accident and incident reports

None matched to N17926.

## 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.

## Service difficulty reports on N17926 not matched to an aircraft (2)

They name N17926, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR UIAA07012](https://openairdocs.org/sdr/UIAA07012), Aug 5, 2007: TIRE. FAILED. BOTH NOSE TIRES EXPLODED AFTER LANDING AT TAXI SPEED WHEN VACATE R/W.2. IAW ND MANUAL MDC93K0393 PART 08 PERFORM NDI/FPI FOR NLG AXLE , NO CRACK WAS FOUND IAW A
- [SDR UIA9216](https://openairdocs.org/sdr/UIA9216), Aug 5, 2003: BEARING. MAKING METAL. IN FLT, LT ENG OIL STRAINER CLOG MESSAGE SHOW ON EOAP AND OIL PRESSURE DROP TO (0) FAST, FLT CREW SHUTDOWN THE ENG MANUALLY, A/C DIVERTED ON BKI. METAL CHIP WAS

## 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 N17926

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N17926 before.

- [Cancelled 1937-07-05](https://openairdocs.org/deregistered/N17926-1937-07-05): Taylor J-2, S/N 1526. Owner: [Anderson John B](https://openairdocs.org/faa-owner/ANDERSON%20JOHN%20B), [Mt Prospect, IL](https://openairdocs.org/faa-place/IL/Mt%20Prospect)

## Related

- Other Schweizer SGS 1-26E aircraft: https://openairdocs.org/model/schweizer-sgs-1-26e/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.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.