# STC SA138SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Staggerwing Museum Foundation Inc., United States
- Description: D18S landing gear 404-188400 on C18S.
- Applied: August 3, 1964
- Status date: October 6, 2006
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-757](https://openairdocs.org/tcds/A-757)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/3c/dd3cb7adc60d33d69012c734d2afa7c93f864228e78c7fc1b3a07c169944da17
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1AC63867D2590E52862574F100743108.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA138SO

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation C18S ([TCDS A-757](https://openairdocs.org/tcds/A-757))

## 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: Staggerwing Museum Foundation, Inc.

560 Old Shelbyville Hwy Tullahoma, TN 37388

Part 4a of the Civil Air Regulations.

Original Product - Type Certificate Number : 757 Make : Beech Model : C18S

Installation of D18S Type Landing Gear, P/N 404-188400, on C18S Type Airplane, in accordance with Airline Training, Inc. Report No. ATI-120, dated 08/03/64, revised 11/02/64, including Attachment No. 3 revised 05/27/65.

Airworthiness compatibility of this STCC with all other major changes to the standard original model(s) shown above should be confirmed prior to installation of 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 reissued : December 9, 1966; August 15, 1968;

February 26, 1990; October 6, 2006 Date amended :

Original signed by Robert D. Adamson

( Signature) Robert D. Adamson Program Manager Wichita Aircraft Certification Office (Title) Date of application : August 3, 1964 Date of issuance : June 9, 1965

## Every issue (1)

- October 6, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/dd/3c/dd3cb7adc60d33d69012c734d2afa7c93f864228e78c7fc1b3a07c169944da17)

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