# STC SR09056RC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Apical Industries, Inc. dba Dart Aerospace, United States
- Description: Installation of external auxiliary fuel system.
- Applied: April 27, 1992
- Status date: August 19, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/95/3f9593b37d4a9b09170a33c5b870ba8670a6a90ee1c32d206eb5e34bd3cf004d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6706AE18ED6E1E3B86257D69006EA974.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR09056RC

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 412EP ([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.

Part 29 of the Federal Aviation Regulations.

Original Product Type Certificate Number : H4SW

Description of Type Design Change: Installation of external auxiliary fuel system in accordance with Era Aviation Drawing List No. 41228-3000, Revision P, dated August 2, 2005, or later FAA approved revision.

Limitations and ConditionsThis installation complies with the crashworthy requirements of 14 CFR § 29.952 and the lightning protection requirement of § 29.954. Rotorcraft Flight Manual Supplement (RFMS) No. 41228-820, dated January 16, 1996, or RFMS No. 41228-823, dated September 9, 2005, or later FAA approved revisions is required.

External Auxiliary Fuel System Maintenance Manual Supplement to Era Aviation Services Maintenance Manual, Report No. 41228-43, Revision C, dated August 22, 2005, or later FAA accepted revision, is required. The installer must determine whether this design change is compatible with previously approved modifications. 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 this permission.

APICAL INDUSTRIES, INC. D/B/A DART AEROSPACE 3030 ENTERPRISE, COURT, SUITE A VISTA, CALIFORNIA 92081 Make : Bell Helicopter Textron Model : 412, 412EP Date of application : April 27, 1992

Date of issuance : January 17, 1996

Date reissued: 2/6/96; 3/19/96; 5/20/05; 12/29/06;

8/19/14

Date amended : 9/13/05

(Signature) Supervisor, Technical and Administrative Support Staff Los Angeles Aircraft Certification Office

(Title)

## Every issue (4)

- August 19, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3f/95/3f9593b37d4a9b09170a33c5b870ba8670a6a90ee1c32d206eb5e34bd3cf004d)
- December 29, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/12/4c/124caca8cf37d66f4867ae20d6d7e857a90d4eb855b5c3d1bd28146a53abbfed)
- September 13, 2005: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/33/a8/33a8751ac9be924b3e8c93185c1d52ff4b71e9dabfc28cf024410a585ff8965f)
- May 20, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/41/bf/41bf87f3d07a819279fc8c06b1d0591c89c2fcb55bf5c44fc4e31582444aad22)

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