# STC SA404NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Javelin Conversions Inc., United States
- Description: Installation of a Garrett Pressurization Control System
- Applied: May 1, 1985
- Status date: July 31, 2012
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/82/ed/82ed1d543aac009ae68bef5c964758563403d9a70de7791ee2b793e43551c4b3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/407177B2DEBEEA5386257AA70055F3D8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA404NE

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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 3/23 of the Civil Air/Federal Aviation Regulations.

Installation of a Garrett Pressurization Control System, in accordance with Air America, Inc. Drawing List No. 270000, dated May 1, 1985, or later FAA approved revision.

1. This modification eligible only on Serial Numbers 210N-P21000001 through P21000834. 2. Air America, Inc. Airplane Flight Manual Supplement No. 3, FAA approved November 25, 1985, or later FAA approved revision, is required with this installation. 3. 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 a product, the holder must give the other person written evidence of that permission.

Javelin Conversions, Inc.

8421 Nelms Street Houston, Texas 77061 3A21 Make : Cessna Model : P210N Date of application : May 1, 1985

Date of issuance : November 25, 1985

Date reissued : May 18, 1990, July 10, 1990, December 2, 1991, June 5, 1996, July 31, 2012

( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- July 31, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/82/ed/82ed1d543aac009ae68bef5c964758563403d9a70de7791ee2b793e43551c4b3)

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