# STC SG305GL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cronig Alvin, United States
- Description: Install full swivel tail wheel, Cronig P/N SK-1, utilizing existing mounting points, bolts and hardware.
- Status date: June 5, 1979
- Product: Aircraft, Glider
- Certification basis: Part 21
- Data sheets: [TCDS G2EA](https://openairdocs.org/tcds/G2EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B06A522A489747C285256CC2005C2DB7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SG305GL

## ADs that name it (0)

None.

## Approved models (3)

- Schweizer Aircraft Corporation SGS 2-33 ([TCDS G2EA](https://openairdocs.org/tcds/G2EA))
- Schweizer Aircraft Corporation SGS 2-33A ([TCDS G2EA](https://openairdocs.org/tcds/G2EA))
- Schweizer Aircraft Corporation SGS 2-33AK ([TCDS G2EA](https://openairdocs.org/tcds/G2EA))

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