# STC SA382NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Merlyn Products Inc., United States
- Description: Installation of a gross weight increase to 1835 pounds and associated changes
- Applied: May 23, 1971
- Status date: December 20, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-766](https://openairdocs.org/tcds/A-766)
- Certificate PDF: https://openairdocs.org/files/sha256/3d/86/3d86c073957a81ce5163521adfa0b52c5951633a5318e258963579870e68d73c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5EE5CE3DA1F485FB86257A4500564EF2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA382NW

## ADs that name it (0)

None.

## Approved models (1)

- Swift Museum Foundation Inc. GC-1B ([TCDS A-766](https://openairdocs.org/tcds/A-766))

## 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.

Number SA382NW This certificate, issued to: Merlyn Products, Inc.

West 7500 Park Drive Spokane, WA 99224-5726 Part 4a of the Civil Air Regulations.

Original ProductType Certificate Number: A-766 Make: Universal (Globe) Model: GC-1B

Description of the Type Design Change: Installation of a gross weight increase to 1835 pounds and associated changes in accordance with Merlyn Products, Inc. Report No. 09-1, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design extends to the above model aircraft only. 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 relationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and Installation Report No. 09-1 must be maintained as part of the permanent records for the modified aircraft.

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.

(See Continuation Page 3) This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: May 23, 1971 Date reissued: December 20, 2002 Date of issuance: December 28, 1976 Date amended: 9/20/77; 12/20/02

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

Number SA382NW

Merlyn Products, Inc.

Reissued: December 20, 2002 Amended: September 20, 1977; December 20, 2002

Limitations and Conditions: (cont’d)

**SUPPLEMENTAL TYPE CERTIFICATE ADENDUM NO. SA382NW**

The conditions and limitations of the original specification apply except as follows:

This Addendum, which is part of Supplemental Type Certificate No. SA382NW, prescribes conditions and limitations under which the STC was issued and meets the airworthiness requirements of Civil Air Regulation 4a. A copy of this Addendum must be maintained as part of the modified aircraft’s permanent records.

I. GLOBE GC-1B (LANDPLANE – NORMAL CATEGORY) AS MODIFIED BY STC SA382NW

Engine: See Merlyn Products Inc. Report 09-1

Engine Limits: See Merlyn Products Inc. Report 09-1

Propeller and Limits: See Merlyn Products Inc. Report 09-1

C.G. Range: 29.6” to 33.5” at 1835 pounds

Maximum Weight: 1835 pounds at placarded load factors

Datum: Forward face of firewall at bottom

Instrument Markings: Oil Temperature: See Merlyn Products Inc. Report 09-1 Oil Pressure: See Merlyn Products Inc. Report 09-1 Airspeed Indicator: 50 mph to 90 mph (white arc) 58 mph to 140 mph (green arc) 140 mph to 185 mph (yellow arc) 185 mph (red line) Tachometer Limits: See Merlyn Products Inc. Report 09-1

NOTE: Current weight and balance report including list of equipment in the certified empty weight must be in the aircraft.

- END -

**FAA FORM 8110-2- 1 (10-69) PAGE 3 OF 3 PAGES**

## Every issue (1)

- December 20, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3d/86/3d86c073957a81ce5163521adfa0b52c5951633a5318e258963579870e68d73c)

---
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.