# STC SA3-480

- Type: Supplemental type certificate
- Status: Historical, Surrendered
- Holder: Alaska Coastal Airlines, United States
- Description: Change in airspeed and center of gravity limits with Edo 249-2870 floats and 2850 maximum weight.
- Applied: November 3, 1959
- Status date: March 27, 2009
- Product: Aircraft, Single-Engine
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6)
- Certificate PDF: https://openairdocs.org/files/sha256/88/00/8800eaf53f0f9d99cd48b22acd313ea703fcbcbf8f0dfe8adbe6858e6e062da7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B6B1A69AF66E9ACE862576CD00810BAD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-480

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 180 Series ([TCDS 5A6](https://openairdocs.org/tcds/5A6))

## What the certificate says

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

13-780 Transterre to Anchorage Ac KC-235 4/15/09 File 643 804-8417 -21823

- 6) xxxxxxxxxxxxxxxx FEDERAL AVIATION AGENCY to cal FAA ation Safety Ages Copy will Supplemental Type Certificate be ri to applicant

**1. MAME AND ADORESS OF APPLICANT SUPPLEMENTAL TYPE CERT 1ED FO**

**ALASKA COASTAL AIRLINES PROPELLER 2 MARINE WAY GINAL MODEL ESIGNATION JUNEAU, ALASKA 1801**

**NEW MODEL DESIGHATIOR**

**3. DESCRIPTION OF CHANGE**

REVISION OF AIRSPEED AND CENTER OF GRAVITY ITS OF AIRCRAFT EQUIPPED WITH EDO MODEL 249-2870 FIOATS TO PERMIT OPERATION AT 2850 POUNDS WAXTMUM NEIGHI.

48. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? I YES _ NO

•. WILL PARTS BE MANUFACTURED FOR SALE (Ref. • YES

SIGNATURE AND TITLE OF APPLICANT cele John S November 3 1959 Chief Int COr Date of Application: TITLE

**6. TO DE COMPLETER BY FO**

NATURE AND LOCATION OF DATA Cessna Aircraft Company letter dated December 15, 1959, Alaska Coastal Airlines Report CS59-1A dated November 3, 1959, and approved Airplane Flight Manual Supplement dated February 20, 1960, on file at Region 3, Aircraft Engineering Division, Kansas City, Miseouri.

Basis for approval: CAR 3 Airspeed and c.g. range limitations are identical to those for iten 217 of Aircraft Specification No. 5A6.

AL TYPE CERTIFICATE NO. BOX APPROVAL Original Signed Br -546 Polio A.. CArrIo

**SUPPL EMENTAL**

SIGNATURE John A. Carran SA3-480

DATE OF APPROVAL March 1, 1960 Chief, Aircraft EngineerAgE Division FORM ACA-8417 17-94, col- pc 32454

## Every issue (1)

- March 27, 2009: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/88/00/8800eaf53f0f9d99cd48b22acd313ea703fcbcbf8f0dfe8adbe6858e6e062da7)

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