# STC SA4905SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of Ryan WX-10 stormscope.
- Applied: October 21, 1982
- Status date: January 25, 2017
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/b9/c7/b9c7e7b13c6fe5aca923c66e0750b67e95f7bbfe8cfba01404894b10051a4059
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/681911CB04C7FD03862581590058BA3E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4905SW

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier Inc. CL-600-1A11 (600) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2A12 (CL-601) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title Textron Aviation Inc.

One Cessna Boulevard Wichita, KS 67215 2 SA4905SW Federal Aviation Regulations.

25 Installation of Ryan WX-10 Stormscope in accordance with AMC Drawing List Number 600-034, Revision A, dated January 25, 1983, or later FAA approved revision. FAA approved Flight Manual Supplement, Revision A, dated July 19, 2000, or later FAA approved revision is required.

Compatibility of this modification with other previously approved modifications must be determined by the installer. 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.

Canadair CL-600-1A11 (CL-600); CL-600-2A12 (CL-601) January 3, 2000; January 25, 2017 July 19, 2000 October 21, 1982 January 26, 1983 A21EA Mark Fuller STC ODA administrator ODA-100129-CE

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (2)

- January 25, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b9/c7/b9c7e7b13c6fe5aca923c66e0750b67e95f7bbfe8cfba01404894b10051a4059)
- July 19, 2000: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/52/49/524965a6146393195df1522d5cf497eea23a8cbb4654a0f59a710083532d7069)

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