# STC SH4781NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Soloy LLC, United States
- Description: Addition of an automatic re-ignition system
- Applied: May 1, 1989
- Status date: May 31, 2012
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/5b/b6/5bb6450b9e96156457eb327d6a17ce52e6ad5c87c07bc20b64497dfadfc2f35a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FBFF5A039905B32186257A39004F31F5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH4781NM

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## 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.

Part 6 of the Civil Air Regulations.

Addition of an automatic re-ignition sy stem in accordance with So loy, LLC Master Drawi ng List No. 680-300, dated November 25, 1987, and Advance Master Drawing List Revision dated October 19, 1989, or later FAA approved revisions.

Limitations and Conditions: Approval of this change in type design applies to the above models of aircraft only which have been configured in accordance with STC number SH4169NM, SH4179NM, or SH4729NM, as appropriate.

Compatibility of this design change with previously approved modifications must be determined by the installer. A copy of this Certificate (SH4781NM) and a copy of the Rotorcraft Flight Manual Supplement (Soloy, LLC, Publication S1047H dated October 20, 1989, S1046H dated October 20, 1989, or S1045H dated October 20, 1989, as appropriate) must be maintained as part of the permanent records for the modified aircraft. 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.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Soloy, LLC 450 Pat Kennedy Way, SW Olympia, WA 98501 H2SW Make : Bell Helicopter Textron, Inc.

Model : 206B, 206L Date reissued : June 23, 1988; May 4, 1993;

August 25, 1995; December 28, 2006 May 31, 2012 Date amended: February 7, 1989; March 9, 1990

By direction of the Administrator Original Signed By:

Timothy Smyth

( Signature) Timothy Smyth Manager, Propulsion Branch Chicago Aircraft Certification Office

(Title) Date of application: May 1, 1989

Date of issuance : May 22, 1989

## Every issue (2)

- May 31, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5b/b6/5bb6450b9e96156457eb327d6a17ce52e6ad5c87c07bc20b64497dfadfc2f35a)
- December 28, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ce/19/ce19ff8acc2ead522f02a655426c360667dd67ba2a941e3fba03f3e87925cb58)

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