# STC SR00334DE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Dart Aerospace USA Inc., United States
- Description: Installation of pneumatic door openers.
- Applied: December 8, 1997
- Status date: August 22, 2023
- Product: Aircraft, Rotorcraft
- Certification basis: Part 27
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/7f/fb/7ffbff698a262d6e8303fc885e70e6dbc225bb004d58b0a8135aa039b8d77c0e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134918560420231011140959.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR00334DE

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron Canada Limited 407 ([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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

Page 1 of 2 SR00334DE Dart Aerospace USA, Inc.

3845 NE 30th Avenue Hillsboro, OR 97124 Part 27 the Federal Aviation Regulations H2SW Bell Helicopter Textron 407 Installation of Pneumatic Door Openers in accordance with Paravion Technology, Inc. Master Drawing List Report No. DL-407PDO-100, Revision (-), dated October 22, 1997, or later FAA approved revision.

December 8, 1997 August 22, 2023 January 21, 1998 for Manager, West Certification Branch

1. This approval should not be extended rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft.

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

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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

Page 2 of 2 SR00334DE

## Every issue (2)

- August 22, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7f/fb/7ffbff698a262d6e8303fc885e70e6dbc225bb004d58b0a8135aa039b8d77c0e)
- January 21, 1998: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/f3/fc/f3fc1312e0d6b130dabdef1464addeaa2299c76aeb2aece97f6611d0168996be)

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