# STC SA665CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Outpost X Aviation Inc, United States
- Description: Installation of Model 2400 Aqua floats. (175 FLOATPLANE CONFIGURATION)
- Applied: May 23, 1969
- Status date: November 15, 2023
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/4a/8a/4a8a2470cbc900ad03dc04819f211d346e01f70d3a63dde5ca1406f48dfbf16c
- Approved model list and other attachments: [SA665CE_AML.pdf](https://openairdocs.org/files/sha256/5d/be/5dbeb6abf1fb888ce2e6e3bfe93a18bf22795a54a18ed607c60cefaa7c15ed20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194984030020241001135434.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA665CE

## ADs that name it (0)

None.

## Approved models (16)

- 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 172N ([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 R172K ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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.

SA665CE Outpost X Aviation, Inc.

111 E. Seminole Ave.

Bushnell, FL 33513 * * * * See attached FAA Approved Model List (AML) No. SA665CE for list of approved airplane models and applicable airworthiness regulations Installation of Aqua Model 2400 floats in accordance with installation drawings as listed on AML No.

SA665CE, or later FAA Approved revisions.

(See Continuation Sheet 3 of 3) May 23, 1969 11/15/2023(see page 3) September 11, 1969 09/01/06 (see page 3) for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA665CE 3

SA665CE Date of Issuance: 09/11/1969 Date Amended continued: 2/20/70; 6/27/77; 10/24/78; 7/10/79; 3/17/81; 8/11/83;

10/06/83; 12/8/94; 11/20/03; 09/1/06 Date Reissued continued: 1/11/73; 7/31/78; 8/21/84; 2/10/88; 04/30/90

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. This placard is required in front of and in plain view of the pilot: Total combined weight of occupants, fuel and baggage must not exceed__* Pounds." (*Enter value obtained by subtracting 15 pounds of oil and empty weight from maximum weight).

3. FAA Approved Airplane Flight Manual Supplements (AFMS) or Pilots Operating Handbook Supplements (POHS) or Supplemental Aircraft Flight Manual is required with this modification as identified on AML SA665CE, or later FAA approved revision.

4. A copy of this Certificate and FAA Approved Model List (AML) No. 665CE, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

5. This STC approves the installation of the floats only. This STC is compatible with any engine modification STCs listed on the AML.

6. 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.

---------------------------------------------------END----------------------------------------------------- 3 3

### SA665CE_AML.pdf

Page 1 of 2

**FAA APPROVED MODEL LIST (AML)**

STC Number SA665CE

Outpost X Aviation Inc.

111 E. Seminole Ave.

Bushnell, FL 33513

Date of Issuance: December 8, 1994 Date of AML Amendment: November 20, 2003, and September 1, 2006 (see below for specific make/model) Date Reissued: November 15, 2023 Aqua Model 2400 Floats Type Certificate Number Certification Basis Cessna 3A12 CAR 3 172I and 172K Installation Instructions: Dwg A-2400 172, Rev. S, dated 10/31/94 AFM Supplement Number/Date: September 1, 2006

Cessna 3A12 CAR 3 172L1 Installation Instructions: Dwg A-2400 172-1, Rev. S, dated 10/31/94 AFM Supplement Number/Date: September 1, 2006

Cessna 3A12 CAR 3 172M1 Installation Instructions: Dwg. A-2400 172-1, Rev. S, dated 10/31/94 AFM Supplement Number/Date: June 27, 1977 (for S/N 17265685 through 17267584) or placards as listed in Note 2 of TCDS 3A12, Rev. 41 or later (for S/N 17256493 and 17260759 through 17265684, except 17261445 and 17261578)

Cessna 3A12 CAR 3 172N1 Installation Instructions: Dwg. A-2400 172-1, Rev. S, dated 10/31/94 AFM Supplement Number/Date: October 6, 1983

Cessna 3A17 CAR 3 R172K2 Installation Instructions: Dwg. A-2400 172-2, Rev. S, dated 11/17/94 AFM Supplement Number/Date: October 24, 1978, or later FAA Approved revision

Cessna 3A17 CAR 3 1752 Installation Instructions: Dwg. A-2400 172-3, Rev. S, dated 11/17/94 AFM Supplement Number/Date: August 11, 1983, or later FAA Approved revision

Cessna 175, 175A, and 175B 3A17 CAR 3 Installation Instructions: Dwg. A-2400 172-3, Rev. S, dated 11/17/94 AFM Supplement Number/Date: December 8, 1994

1. These aircraft are eligible with engines installed in accordance with TCDS No. 3A12, STC No. SA87NW or STC No. SA332GL.

2. These aircraft are eligible when they incorporate the floatplane configurations identified on TCDS Nos. 3A12 and 3A17

Page 2 of 2

Cessna 172D, 172E, 172F, 172G, 172H (with STC SA87NW) 3A12 CAR 3 Installation Instructions: Dwg. A-2400 172-4, Rev. S, dated 11/17/94 AFM Supplement Number/Date: September 1, 2006

Cessna 3A12 CAR 3 172I, 172K (with STC SA87NW or SA322GL) Installation Instructions: Dwg. A-2400 172-4, Rev. S, dated 11/17/94 AFM Supplement Number/Date: September 1, 2006

Cessna 3A17 CAR 3 1753, 175A3, and 175B3 Installation Instructions: Dwg. A-2400 172-3, Rev. S, dated 11/17/94 AFM Supplement Number/Date: December 8, 1994 AML Amendment Date: 11/20/2003

Cessna 3A12 CAR 3 A172B4 and 172C4 Installation Instructions: Dwg. A-2400 172-4, Rev. T, dated 06/02/06 AFM Supplement Number/Date: September 1, 2006, or later FAA Approved revision AML Amendment Date: 09/01/2006

3. These aircraft are eligible with engines installed in accordance with STC No. SA00461SE.

4. These aircraft are eligible with engines installed in accordance with TCDS No. 3A12, STC No. SA87NW, or STC No. SA332GL.

FAA Approved:___________________________________________ for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

Date: See Digital Signature

## Every issue (2)

- November 15, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4a/8a/4a8a2470cbc900ad03dc04819f211d346e01f70d3a63dde5ca1406f48dfbf16c), [SA665CE_AML.pdf](https://openairdocs.org/files/sha256/5d/be/5dbeb6abf1fb888ce2e6e3bfe93a18bf22795a54a18ed607c60cefaa7c15ed20)
- September 1, 2006: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/37/d4/37d4d89ab5ff6d100fe86bb52bbce7d6c353e5232faa4fa55ee91691174fc917)

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