- Registered owner
- Sky Sailing Inc
- Location
- Warner Springs, CA
- Owner type
- Corporation
- Serial number
- 221
- Year built
- 1971
- Type
- Glider
- Engine
- None
- Airworthiness
- Standard, glider
- Airworthiness date
- July 28, 1971
- Certificate issued
- July 22, 2004
- Expires
- October 31, 2027
- Mode S code
- A0627B
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 4
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1978 | 1 |
|---|---|
| 1987 | 1 |
| 1988 | 2 |
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations · 2
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
NTSB LAX84LA052Accident · No injuriesLimited investigationFinal reportFremont, CAAfter receiving an aero tow to 3,000 ft MSL & being released 5 mi from the departure arpt, the plt thermaled for about 5 min. He then descended to 2,300 ft MSL & turned back toward the arpt. He encountered 'heavy sink' had insufficient altitude to reach the…NTSB OAK77FVD10Accident · Minor injuriesClosedFremont, CA
FAA incident reports · 2
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports
No reports matched to N1239SGeneral 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 SGS 2-33A aircraft
STCs that may be installed · 4
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Schweizer SGS 2-33A
STC SA01734SEApplication of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.STC SG01164CHInstall Cooper superflite 102 fabric.STC SG1186GLSurrendered and incorporated into STC SG01164CH.STC SG305GLInstall full swivel tail wheel, Cronig P/N SK-1, utilizing existing mounting points, bolts and hardware.