- Registered owner
- Siegfried Thelma J Trustee
- Location
- Downers Grove, IL
- Owner type
- Individual
- Serial number
- 24
- Year built
- 1946
- Type
- Glider
- Engine
- None
- Airworthiness
- Standard
- Airworthiness date
- October 28, 1965
- Certificate issued
- November 22, 2025
- Expires
- November 30, 2032
- Mode S code
- ACB6F9
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 2
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1987 | 1 |
|---|---|
| 1988 | 1 |
Airframe · Schweizer SGU-1-19
AD 87-17-01Tow Release InstallationAD 87-02-01Tow-Release Installation InspectionInformation bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N91812Matched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Schweizer SGU-1-19 aircraft
FAA incident reports
No FAA accident or incident reports matched to N91812Matched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Schweizer SGU-1-19 aircraft
Service difficulty reports
No reports matched to N91812General aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Schweizer SGU-1-19 aircraft
STCs that may be installed · 5
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Schweizer SGU-1-19
STC SA01734SEApplication of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.STC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)STC SG10WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces with Ceconite103 material.STC SG4-1240Installation of Eonnex cover on aircraft surfaces.STC SG7WECeconite 101 covering of complete airframe.