# STC SA1809WE - Type: Supplemental type certificate - Status: Current, Amended - Holder: Flint Aero Inc, United States - Description: Installation of one twelve-gallon auxiliary fuel tank in each outboard wing panel. - Applied: September 19, 1968 - Status date: February 16, 2007 - Product: Aircraft, Single-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS A13EU](https://openairdocs.org/tcds/A13EU) - Certificate PDF: https://openairdocs.org/files/sha256/bf/50/bf50853683fc09fb6451582d3263d74391343dff74cd69fdd58c00d7cd5543c9 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BDAC935BD4E891DA862572C6004F9277.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1809WE ## ADs that name it (1) - [AD 76-01-01](https://openairdocs.org/ad/76-01-01): High Speed Flutter · One twelve-gallon auxiliary fuel tank in each outboard wing… (Flint Aero STC SA1809WE). Effective Jan 9, 1976. Named in the applicability ## Approved models (24) - Cessna Aircraft Company 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company A150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company A150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company A150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company A152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company F150G ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company F150H ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company F150J ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company F150K ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company F150L ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company F150M ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company F152 ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company FA150L ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company FA152 ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) - Cessna Aircraft Company FRA150L ([TCDS A13EU](https://openairdocs.org/tcds/A13EU)) ## 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 SA1809WE This Certificate issued to Part 3 of the Civil Air Regulations. (See applicable Type Certificate Data Sheet.) Description of Type Design Change: Installation of one twelve gallon auxiliary fuel tank in each outboard wing panel in accordance with FAA sealed Flint Aero Master Drawing List No. FA-150, “NEW” or later FAA approved revision, or Flint Aero Master Drawing List No. 15171821, Revision “IR”, dated May 18, 2006, or later FAA approved revision. For Cessna Models 152 and A152 requiring FAA approved AFM and POH, Flint Aero FAA approved AFM and POH Supplement, dated May 18, 1984 or later FAA approved revisions is required with this installation. Limitations and Conditions: The limitations and conditions of Data Sheet 3A19 or A13EU, apply, except as outlined in page 3 of this STC. A copy of this STC must be included in the permanent records of each airplane modified in accordance with this STC. 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. Flint Aero, Inc. 1942 Joe Crosson Drive El Cajon, California 92020-1236 See Page 3 of this STC **CESSNA** 150 Series - See page 3 of this STC Original Product Type Certificate Number: Date of application: September 19, 1968 Date of issuance: October 15, 1968 Date reissued: Mar. 8, 1976, Feb. 6, 1987, July 13, 1990, Feb. 25, 2000 Date amended: See Page 5 of this STC ( Signature) Manager, Airframe Branch Los Angeles Aircraft Certification Office ( Title) Number SA1809WE Application: 09/19/68 Issue: 10/15/68 Amendments: See page 5 of this STC Reissue: 03/08/76, 02/06/87, 07/13/90, 02/25/2000 Original Product – continued: Type Certificate No. Models 3A19 150D, 150E, 150F, 150G, 150H , 150J, 150K, 150L, 150M, A150K, A150L, A150M, 152, A152 A13EU *F150G, F150H, F150J, F150K, F150L, F150M, *FA150L, FA150M, FRA150L, F152, FA152 *Reims Aviation S.A. Cessna Models **LIMITATIONS AND CONDITIONS** Fuel Capacity Add “24 gallons total a nd (23 gallon useable); two 12 gallon auxiliary tanks in wings at (+44)” to quantities shown in Data Sheet 3A19 or A13EU. Placards The following placards are required in the locations noted: Adjacent to each auxiliary tank shut-off valve or switch: 1. For all aircraft – “Auxiliary fuel 12 U.S. Gallon (11.5 gallon useable). Aux. fuel must be off during takeoff, landing, filling and when Aux. is empty.” 2. For aircraft with gravity transfer only – “Do not use Aux. until Main tank is approximately one-half (1/2) empty.” 3. For aircraft with pump transfer only – “Monitor main fuel tank gauge while transferring Aux. fuel to prevent overfilling.” 4. For all aircraft – “Intentional spins prohibited with fuel in Auxiliary tanks.” Number SA1809WE Application: 09/19/68 Issue: 10/15/68 Amendments: See page 5 of this STC Reissue: 03/08/76, 02/06/87, 07/13/90, 02/25/2000 LIMITATIONS AND CONDITIONS – (continued): 5. For Aerobatic Category Models (A150, FA150, A152, FRA150 series, and FA152) only – “Fuel must be off and auxiliary tanks empty for aerobatic maneuvers.” Adjacent to airspeed indicator: For Acrobatic category Models (A150, A152, FA150, FRA150 series, and FA152) only – Airspeed limits when auxiliary fuel tanks contain any amount Of fuel: Vne (never exceed) 162 MPH (141 Kts) Vno (max. structural cruise) 120 MPH (104 Kts) Va (maneuvering) 109 MPH ( 95 Kts) Adjacent to each auxiliary fuel tank filler: For all aircraft – “12 U.S. Gal. **Min. Grade Av. Gasoline auxiliary fuel valve must be off before filling.” ** Insert grade number shown on placards for main tanks. Limitation of applicability The approval of this change in type design applies to the basic Cessna 150 and 152 series noted above. This approval shoul d not be extended to other aircraft of these models on which other modifications are incorporated unless it is determined that the interrelationship between this change and any previously approved modi fications will introduce no adverse effect on the airworthiness of these aircraft. Number SA1809WE Application: 09/19/68 Issue: 10/15/68 Reissue: 03/08/76, 02/06/87, 07/13/90, 02/25/2000 LIMITATIONS AND CONDITIONS – (continued): Amendment Dates 1. May 27, 1969 2. October 2, 1970 3. October 13, 1970 4. June 14, 1971 5. February 22, 1974 6. March 8, 1976 7. April 20, 1977 8. January 21, 1982 9. May 18, 1984 10. February 16, 2007 add MDL 15171821 Rev “IR” - END - ## Every issue (1) - February 16, 2007: Amended, Current. [certificate](https://openairdocs.org/files/sha256/bf/50/bf50853683fc09fb6451582d3263d74391343dff74cd69fdd58c00d7cd5543c9) --- 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.