# STC SH1253SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Magellan Aerospace, Canada
- Description: Installation of a wire strike protection system.
- Applied: July 28, 1980
- Status date: June 14, 2024
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/0a/2d/0a2d503e78c81b91e9967b0129375a846cc2025d44d595c9ccc425af5f3617ca
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103455178620240614141037.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH1253SO

## ADs that name it (0)

None.

## Approved models (1)

- Bell Textron Inc. 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## 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.

IMPORT SH1253SO Magellan Aerospace 660 Berry Street Winnipeg, Manitoba Canada R3C 2S4 Part 29 Title 14 Code of Federal Regulations H4SW Bell Textron Inc.

212 Configuration #1 - Installation P/N 364-83300-1 (Standard Skid Gear) or P/N 364-83300-3 (High Skid Gear)

1. Installation of a Wire Strike Protection System must be in accordance with Magellan Aerospace, Winnipeg document EM105301, Drawing List – Bell 204, 205, 210, 212, 412 Wire Strike Protection System (WSPS), Issue F, Transport Canada Civil Aviation (TCCA) approved June 30, 2011, or later TCCA approved revision.

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

(See continuation sheet 3) July 28, 1980 June 14, 2001; April 17, 2024 July 24, 1981 March 25, 2002; June 14, 2024 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

**IMPORT SH1253SO SH1253SO 3**

IMPORT SH1253SO Date Amended: June 14, 2024 Date Reissued: April 17, 2024

Configuration #1 (continued)

2. Maintenance must be in accordance with Magellan Aerospace, Winnipeg document PM-965-041, Bell Models 204, 205, 210, 212, and 412 Maintenance Manual Supplement and Illustrated Parts List, Issue C, dated April 17, 2007, or later TCCA accepted revision.

Configuration #2 - Installation P/N 364-83100-11

1. Installation of a Wire Strike Protection System must be in accordance with Magellan Aerospace, Winnipeg document EM104802, Drawing List – Bell 204, 205, 210, 212, 412 Wire Strike Protection System (WSPS), Issue A, TCCA approved August 27, 1993, or later TCCA approved revision.

2. Maintenance must be in accordance with the Appendix to the Magellan Aerospace, Winnipeg document ER81014, Installation Instructions for Bristol Aerospace Limited Wire Strike Protection System on Bell Model 212 Helicopter, Issue L, dated March 1, 1994, or later TCCA accepted revision.

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

3. This STC is applicable to all serial numbers for this Make and Model.

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## Every issue (1)

- June 14, 2024: Amended, Current. [certificate](https://openairdocs.org/files/sha256/0a/2d/0a2d503e78c81b91e9967b0129375a846cc2025d44d595c9ccc425af5f3617ca)

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