# STC SA1NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Jobmaster Company Inc, United States
- Description: Installation of EDO Xa5400 floats.
- Applied: June 1, 1972
- Status date: July 31, 1972
- Product: Propeller
- Certification basis: Part 21
- Data sheets: [TCDS A-717](https://openairdocs.org/tcds/A-717)
- Certificate PDF: https://openairdocs.org/files/sha256/73/90/73905e5338e315936af7ef76ff9a69a3a5bcc0f1da05c7e978e984ee389a313e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3735F282A7620A2686257AD3007214D8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1NW

## ADs that name it (0)

None.

## Approved models (1)

- Howard Aircraft Foundation DGA-15P (Army UC-70; Navy GH-1; -2; -3; NH-1) ([TCDS A-717](https://openairdocs.org/tcds/A-717))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 59100 This certificate issued to: JOBMASTER COMPANY, INC.

1005 West Perimeter Road Renton, Washington 98055 Part 49 $ the CIVI1 Air Regulations.

Original Product -Type bertificate Number. 717 Make: HOWA RD Model: DGA - 15P Description of Type Design Change: Installation of EDO Xa5400 Floats in accordance with the drawings listed on FAA Sealed Jobmaster drawing list titled "Howard "Jobmaster" Seaplane drawing list ED05400 Floats."

Limitations and Conditions: The approval of this change is limited to the above odel aircraft only. This approval should not be extended to other aircraft of dis 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 xxxxxxxxxxxx adverse effect upon the airworthiness of that aircrait.

This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage.

The limitations noted in Item 222 of Aircraft Specification No. A-717 dated 15 December 1965 are applicable to Aircraft modfied under the terms of this SIC.

A copy of this STC is to be included in the aircrafts permanent records.

Date of Application: 1 June 1972 Tute weissued:

Date of Issuance: 3 1 JUL 1972 Date Amended:

"FEDERAL AVIATION By Direction of the Administrator 2 A, .....

* MINISTRATION Acting Chief, Engr. & Mfg. Branch (Sigmatue) James O. Robinson (Title)

## Every issue (1)

- July 31, 1972: Issued, Current. [certificate](https://openairdocs.org/files/sha256/73/90/73905e5338e315936af7ef76ff9a69a3a5bcc0f1da05c7e978e984ee389a313e)

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