# STC SA10081SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: T-34 Mentors LLC, United States
- Description: Remove existing two piece wing spar web and replace with a single piece, heavier gauge aluminum web. Remove vertical stiffeners and horizontal reinforcement with heavier gauge aluminum and omit joggles in reinforcements.
- Applied: October 10, 2001
- Status date: August 20, 2020
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 5A3](https://openairdocs.org/tcds/5A3)
- Certificate PDF: https://openairdocs.org/files/sha256/63/af/63af2180ba74312d396c0955a55b9648915594282ce2a323fbd8b2d55a67ad66
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1FDE1582C5D002318625888A004CE663.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA10081SC

## ADs that name it (0)

None.

## Approved models (3)

- Textron Aviation Inc. 45 (Military YT-34) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Textron Aviation Inc. A45 (Military T-34A; B-45) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))
- Textron Aviation Inc. D45 (Military T-34B) ([TCDS 5A3](https://openairdocs.org/tcds/5A3))

## 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 (7/19) Page 1 of 2

Number: SA10081SC

Parts 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: 5A3 Make: Textron Aviation Model: 45 (YT-34), A45(T-34A, B-45), and D45 (T-34B) Description of Type Design Change:

Remove existing two piece wing spar web and replace it with a single piece, heavier gauge aluminum web. Replace vertical stiffeners and horizontal reinforcement with heavier gauge aluminum and omit joggles in reinforcements in accordance with Park Industries Master Data List PIL-001-MDL, Revision A, dated October 4, 2002, or later FAA approved revision.

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.

Date of Application: October 10, 2001 Date Reissued: November 6, 2017; January 25, 2018;

September 9, 2019; August 20, 2020

Date of Issuance: October 04, 2002 Date Amended:

Signature

Title Acting Manager, Technical & Administrative Support Section Aviation Safety Los Angeles ACO Branch

T-34 Mentors LL 2600 College Parkway, Hangar 34 Carson City, NV 89706

FAA Form 8110-2 (7/19) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA10081SC

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (3)

- August 20, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/63/af/63af2180ba74312d396c0955a55b9648915594282ce2a323fbd8b2d55a67ad66)
- September 6, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/98/ee/98eef93ca57dda5eac20d45c31cd7af965351c87d0892d89b8e5bc91bfe4f0e4)
- October 4, 2002: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ae/f1/aef148e03221585097700105d3a573d63cad58d24c872fca2ff198c778f1b93b)

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