# STC SA826NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Seaplane Flying Inc, United States
- Description: Installation of Cessna flap gap seal fairings
- Applied: June 6, 1979
- Status date: November 21, 1980
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/1c/f1/1cf175e234d100cf18a39d5cbbe1965f8c6a27021c42c246d9a68d01452d1f4b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CECC8732226861BC86257A3E006F8650.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA826NW

## ADs that name it (0)

None.

## Approved models (54, first 50)

- Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Cessna Aircraft Company 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Cessna Aircraft Company 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Cessna Aircraft Company 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Cessna Aircraft Company 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

All 54: https://openairdocs.org/stc/SA826NW/models.md

## 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: SA826N4 This certificate issued to: Seaplane Flying, Inc.

Part * of the * Regulations:

Original Product -Typebertificate Number: #See attached Master Eligibility List (MEL) Make: No. SA826NW for List of Approved Airplane Models and Applicable Airworthiness Regu- Model: lations.

Description of Type Design Change: Installation of Cessna flap gap seal fairings ir accordance with Seaplane Flying, Inc., Installation Instructions Number SF-1283.

Limitations and Conditions: Approval of this change in type design applies basically 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 that the interrelationship between this change and any of those other previously approved modifications including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

(See "Continuation Sheet" Page 3)

Date of Application: June 6, 1979 Date Reissued:

Date of Issuance: February 11, 1980 Date Amended: November 21, 1980 FEDERAL AVIATION Thy drection of the diminalral (Signature) TAMIN STRAID Acting Chief, Seattle Area Aircraft Certification Office (Tille)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Amended November 21, 1980 Number SAB26N4 Limitations and Conditions: (continued):

A copy of this Certificate, Addendum No. SA826NW dated November 21, 1980, -AA Approved Airplane Flight Manual Supplement, and Master Eligiblity List No. SA826NW shall be maintained as part of the permanent records for the modified aircraft.

Supplemental Type Certificate ADDENDUM NO. SA826NW The conditions and limitations of Type Certificate Data Sheet 3A12 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA826NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations.

Supplemental Type Certificate HOLDER: Seaplane Flying, Inc.

CESSNA MODELS AS SHOWN ON ATTACHED MASTER ELIGIBILITY LIST NO. SA826NW (NORMAL CATEGORY) AS MODIFIED BY STC SA826NW NOTE 1: Placards: The following placard must be displayed adjacent to or in close proximity to the aircraft identification plate:

**FAA - PMA SEAPLANE FLYING, INC.**

**VANCOUVER, WASHINGTON**

**FLAP GAP SEAL FAIRINGS STC SA826NW**

DATE INSTALLED NOTE 2: With the described flap gap seal fairings the performance will be at least equal to or better than that given in the original Pilot's Operating Handbook for Cessna series aircraft.

- END -

47.

**PAGE 3 OF 3 PAGES C FAA AC 73-2651**

MEL AMENDMENT DATE 11-21-80 February 11, 1980 AFM SUPPLEMENT NUMBER/ DATE SA826NW Make: REV.

MASTER ELIGIBILITY LIST NUMBER SA826NW FAA SEALED DRAWING/ DRAWING LIST NUMBER Installation Instructions A1283 = FAA APPROVED FOR FLAP GAP SEAL FAIRINGS FLYING, INC. SEAPLANE CERTIFICATION BASIS FOR ALTERATION 1949 CAR 3, November 11, CAR 3, November 11, 1949 CAR 3, May 15, 1956 CAR 3, November 11, 1949 CAR 3, November 11, 1949 CAR 3, May 15, 1956 CAR 3, May 15, 1956 CAR 3, November 11, 1949 ORIGINAL TYPE CERTIFICATE NUMBER A-799 3A12 3A17 5A6 3A13 3A24 3A21 3A12 AIRCRAFT MODEL 172 through 175, 175A, 175B, 175C 180, 180A through 180H 180J and K 182, 182A through 182H 182J through 182N, 182P 185, 185A through 185E 210-5(205) 210, 210A 170B 172L and o 172M AIRCRAFT MAKE Cessna Cessna Cessna Cessna Cessna Cessna Cessna Cessna ITEM - ~ 00

## Every issue (1)

- November 21, 1980: Amended, Current. [certificate](https://openairdocs.org/files/sha256/1c/f1/1cf175e234d100cf18a39d5cbbe1965f8c6a27021c42c246d9a68d01452d1f4b)

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