# STC SA1704CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Dynamic Aviation Group Inc., United States
- Description: Install wing front spar reinforcement kit.
- Applied: November 17, 1981
- Status date: February 20, 2008
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A31CE](https://openairdocs.org/tcds/A31CE)
- Certificate PDF: https://openairdocs.org/files/sha256/2d/9a/2d9a35d59b093a158d42e51d04998a69ee55d3cdddad3364897c814e361664af
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C1F24AAF83D512E486257471004C4450.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1704CE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company F90 ([TCDS A31CE](https://openairdocs.org/tcds/A31CE))

## 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.

This certificate issued to: Dynamic Aviation Group, Inc.

1402 Airport Rd, PO Box 7 Bridgewater, VA 22812

Part 23 of the Federal Aviation Regulations, effective February 1, 1965, as amended in the Type Certificate Data Sheet.

Original Product - Type Certificate Number : A31CE Make : Beech Model : F90

Install wing front spar reinforcement kit per Aviadesign, Inc. Master Drawing List E.O.-B-8002 with an FAA Approved date of December 4, 1981, or later.

1) This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of these other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

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.

Date reissued : February 20, 2008

Date amended : May 15, 1985

Original signed by Todd Dixon

( Signature) Todd G. Dixon Associate ACO Manager, Electrical Systems & Avionics Wichita Aircraft Certification Office (Title) Date of application : November 17, 1981 Date of issuance : December 4, 1981

## Every issue (1)

- February 20, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2d/9a/2d9a35d59b093a158d42e51d04998a69ee55d3cdddad3364897c814e361664af)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
