# STC SA00950NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Timothy Mulhall, United States
- Description: Modification of forward cockpit seats and provisions for installation of upper torso restraint system.
- Applied: February 10, 1997
- Status date: April 20, 2019
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782)
- Certificate PDF: https://openairdocs.org/files/sha256/64/7b/647b78098336c4d4aa349705a498482e49bcfcfd98deba7a962ed0fc109fa81d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C66106C25A19A92586258465007047C7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00950NY

## ADs that name it (0)

None.

## Approved models (3)

- Navion Aircraft Company Ltd. Navion (Army L-17A) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion A (Army L-17B and L-17C) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion B ([TCDS A-782](https://openairdocs.org/tcds/A-782))

## 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 (5/14) Page 1 of This certificate issued to:

Part of the Original Product – Type Certificate Number:

By Direction of the Administrator Signature Title SA00950NY Timothy Mulhall 5 Kathie Lane Lampasas, TX 76550 2 4b* Civil Air Regulations.

*See TCDS No. A-782 for complete certification basis.

Sierra Hotel Aero (Navion) Navion (L-17A), Navion A (L-17B) (L-17C), Navion B Modification of the forward cockpit seats and provisions for installation of upper torso restraint system in accordance with Aerospace Safety (formerly Hudson Valley Aviation) Drawing Number C-1001, Rev D, dated June 25, 2004, or later FAA Approved revisions.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. 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.

February 24, 2000, December 1, 2003, June 2, 2005, April 20, 2019 July 7, 2004 February 10, 1997 April 12, 1999 A-782 Yvette Emerson Program Manager Wichita ACO Branch

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

2 SA00950NY

## Every issue (2)

- April 20, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/64/7b/647b78098336c4d4aa349705a498482e49bcfcfd98deba7a962ed0fc109fa81d)
- June 2, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/2d/b9/2db91d3f29000d4dc33d918561342fecab2ede12357e15e4c12d35be597d0abd)

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