# STC SA4378WP

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Dynamic Aviation Group Inc., United States
- Description: Installation of hydraulic landing gear retraction system.
- Applied: November 5, 1980
- Status date: October 2, 2014
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- Certificate PDF: https://openairdocs.org/files/sha256/84/75/84750f26b6e8eaf77156f0f6eabe8d725c9f407b9dba0724be83d2dde8ac32d8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B8F8D81C2A8AEB5F86257D73005FF50C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4378WP

## ADs that name it (0)

None.

## Approved models (13)

- Beechcraft Corporation 200 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation 200C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation 200CT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation 200T ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation A100-1 (U-21J) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation A200 (C-12A) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation A200 (C-12C) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation A200C (UC-12B) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation A200CT (C-12D) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation B200 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation B200C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation B200CT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Beechcraft Corporation B200T ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

## 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 (*Certification basis is set forth in Type Certificate Data Sheet A24CE, Rev. 12.)

Original Product Type Certificate Number : A24CE Make : Beech Model : 200 (A100-1 [RU-21J]), 200C, 200CT, 200T, A200 (C-12A) or (C-12C), A200C (UC-12B), A200CT (C-12D), B200, B200C, B200CT, B200T Description of Type Design Change: Installation of a hydraulic landing gear retraction system in accordance with FAA Approved Aviadesign Drawing List E.O.-B9979-1, Issue 5, dated November 16, 1981, or later FAA approved revision.

FAA Approved Aviadesign Airplane Flight Manual Supplement dated November 19, 1981, or later FAA approved revision is required as part of this installation.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight of the fuselage. A copy of this STC must be included in the permanent records of each airplane modified in accordance with this STC. 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 of application : November 5, 1980

Date of issuance : November 20, 1981

Date reissued : October 2, 2014

(Signature) Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Title)

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee) (Number and street)

(City, State, and ZIP Code)

from (Name of grantor) (Print or type)

(Address of grantor) (Number and street)

(City, State, and ZIP Code)

Signature of grantor (In ink):

U.S. GPO 1987-763-289

## Every issue (2)

- October 2, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/84/75/84750f26b6e8eaf77156f0f6eabe8d725c9f407b9dba0724be83d2dde8ac32d8)
- November 20, 1981: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/67/7d/677d96261fadfc1c2c8e0bb1d2890abb9b2d646f60a3eddada85c799735ddac2)

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