# STC SA2-498

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Modification of structure, systems, and equipment to incorporate cabin pressurization, wing center section extended 26 inches, and installation of rudder hydraulic boost system.
- Applied: June 19, 1959
- Status date: December 1, 1999
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS LTC AL-13](https://openairdocs.org/tcds/LTC%20AL-13)
- Certificate PDF: https://openairdocs.org/files/sha256/0f/6d/0f6d6c629e2ee85e3b7d41741b93c17d877c5737f4c994f2b04fb58b22d4965e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A799B5CD819439485256CC10083D495.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-498

## ADs that name it (0)

None.

## Approved models (1)

- Air Trading Corporation Navy PV-1 ([TCDS LTC AL-13](https://openairdocs.org/tcds/LTC%20AL-13))

## 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.

*Siatw <§t .America of 'SEraiteportatton - Jfehcral ^fetation Certificate SA2-498 Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 '«JJ svyea6mrn&n& LTC-13 Civil Air Lockheed Aircraft Corp. ' PV-1 Modification of structure, systems and equipment to incorporate cabin pressurization, wing center section extended 26 inches, and installation of rudder hydraulic boost system in accordance with FAA approved Howard Aero Drawing List and Data List No. 449. Each serial numbered airplane will have a different suffix (revision) drawing list number.

(See continuation sheet 3 of 3) .- June 19, 1959 September 26, 1960 December 01, 1999 . May 8, 1967 Revision 3 (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (Title) on of this certificate by a fine of not exceeding $1,000, or anarnt not exceeding 3 yotes, vf both.

FAA Form 8110-2(10-63) Thlj certificate My be transferred In tccordattc* ulth FAR 21*47.

ce ®f ,ftmerica of 'lEraitsportaltnn - ,3[eheral ^fatation ^Ahmmietratum EgpE Certificate ((ftmttitraatiott SA2-498 Date of Issuance: September 26, 1960 Reissuance Date: December 1, 1999 . (Continued):

1. Howard Aero FAA Approved Airplane Flight Manual dated 12/11/59 required.

2. Howard Aero FAA Approved AFM Supplements: Two dated 1/20/61 requited when outer wing panels per 5-102004 and oxygen system per 5-413015 are installed;

One dated 4/15/60 required for emergency hydraulic system; One dated 11/6/61 required with Collins AP-103 autopilot per Report No. 214 Rev. A of 11/4/61.

3. STC SA2-455 extended fuselage modification required.

4. STC SA2-271 propeller spinner installation required.

5. Because of excessive overhang of the air-compressor, the engine installation is limited to engines with casting No. 134588 or 223635 on accessory section.

-END-

FAA Forn 8110-2-1 {10-69) E>agfl 3 of 5 This ccrti/ictftc way be transferred in aecordartce with FM ^J-47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Addrtss of transferee) (Number and street) (City, Stale, and £IP rode) from (Name of grantor) (Print or type) (Address of grantor) {Number and street) I Clip, i'lBlf, and ?JP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):.

C FAA AC Ba-5536

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0f/6d/0f6d6c629e2ee85e3b7d41741b93c17d877c5737f4c994f2b04fb58b22d4965e)

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