# STC SA211GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Great Lakes Aero Products Inc
- Description: Installation of windshield P/N W-2055, W/T-2055 or W/G-2055 on Cessna 172 and 172A, and P/N W-2056, W/T-2056 or W/G-2056 on Cessna 172B and 172C.
- Status date: January 31, 2007
- Data sheets: 3A12, 3A12, 3A12, 3A12
- Certificate PDF: https://openairdocs.org/files/sha256/b1/a7/b1a7d3dd4ada85eea54b9804d7b542084c788dd2949bcc397e2798cf3a641bb3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3FB8C6F7B3609FD6862572FE006D9C33.0001
- Page: https://openairdocs.org/stc/SA211GL

## ADs that name it

None.

## Approved models (4)

- Cessna Aircraft Company 172 (TCDS 3A12)
- Cessna Aircraft Company 172A (TCDS 3A12)
- Cessna Aircraft Company 172B (TCDS 3A12)
- Cessna Aircraft Company 172C (TCDS 3A12)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

This certificate issued to Great Lakes Aero Products 915 Kearsley Park Blvd.

Flint, MI 48503

Part 3 of the Civil Air Regulations (See Type Certificate Data Sheet 3A12 for complete Certification Basis.)

3A12 Make :

Cessna Aircraft Company Model : 172, 172A, 172B, 172C

Installation of Great Lakes Aero Products windshield part numbers W-2055, W/G-2055, or W/T-2055 on Cessna models 172 and 172A, and part numbers W-2056, W/G-2056, or W/T-2056 on Cessna models 172B and 172C in accordance with Great Lakes Aero Products Installation Instructions A-4, revised November 1977, or later FAA approved revision.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. A copy of this certificate or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : November 14, 1977

Date of issuance : January 24, 1978

Date reissued : June 26, 1984, January 31, 2007

( Signature) Mary Ellen A. Schutt Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

( Title)

## Every issue (1)

- January 31, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b1/a7/b1a7d3dd4ada85eea54b9804d7b542084c788dd2949bcc397e2798cf3a641bb3)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.