# STC SA155NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Art's Aircraft Parts and Repair, United States
- Description: Addition of baggage hatch to EDO 249-2870, 628-2960 and628A2960 floats.
- Applied: March 17, 1974
- Status date: September 4, 1996
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/b0/b9/b0b9acfcfd55238f5ae38e8628e2fadfa9fc2fd8a44cb1f6859ca45749e25a78
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D43B9FB0CDCAD28586257AE00076B4BE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA155NW

## ADs that name it (0)

None.

## Approved models (17)

- 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 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))
- Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## 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: SA155NW This certificate issued to: Art's Aircraft Parts and Repair P.O. Box 2175 Kirkland, WA 98083 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meet's the airworthiness requirement's of Part 3 of the Civil Air Regulations.

Original Product -Type Certificate Number: 5A6 ЗА24 Make: Cessna Model: 180B through 180H, 185 through 185E, 180J and 180K A185E and A185F Description of Type Design Change: Addition of baggage hatch to EDO Model 249-2870, 249A2870 and 628-2960 floats per Installation Instructions #102 dated February 5, 1974.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship 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 for additional Limitations and Conditions.)

Date of Application: March 17, 1974 Date Reissued:

Date of Issuance: July 15, 1975 Date Amended: March 14, 1977; August 16, 1996 September 4, 1996 FEDERAL AVIATION By direction of the Sam pistra (Signature) HOMINIST RATION Acting Manager, Seatfle Aircraft Certification Office (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA155NW Limitations and Conditions: continued:

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

This Addendum, which is part of Supplemental Type Certificate No. SA155NW, prescribes conditions and limitations under which the STC was issued and meets the airworthiness requirements of Civil Air Regulation Part 3. A copy of this Addendum shall be maintained as part f the modified aircraft's permanent records.

Supplemental Type Certificate HOLDER: Arthur D. Ingalls CESSNA 180B THROUGH 180H, 180J AND 180K, CESSNA 185 THROUGH 185E (SEAPLANE - NORMAL CATEGORY) AS MODIFIED BY STC SA155NW Placards: The following placard shall be placed in full view of the pilot and on the inside of the float baggage natch.

Caution: Float baggage must be considered for Weight and Balance requirements and must not exceed 100 Ibs. For Weight and Balance calculations the float baggage moment may be calculated using the "Pilot & Copilot" line on the loading graph found in the Cessna Owner's Manual Supplement.

- END -

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

## Every issue (1)

- September 4, 1996: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b0/b9/b0b9acfcfd55238f5ae38e8628e2fadfa9fc2fd8a44cb1f6859ca45749e25a78)

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