# STC SA02354AK - Type: Supplemental type certificate - Status: Current, Issued - Holder: Tundrahawk Aviation LLC, United States - Description: Installation of Lycoming O-320 (no suffix) engine and aft fuselage modification - Applied: April 14, 2008 - Status date: September 11, 2009 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS A-738](https://openairdocs.org/tcds/A-738) - Certificate PDF: https://openairdocs.org/files/sha256/cf/c9/cfc90cef005ffcbde1589b73ee6f0991c25512551bb24cf311e473bbe250a031 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/52058B86757B5885862576DD00731983.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02354AK ## ADs that name it (0) None. ## Approved models (1) - Consolidated Vultee Aircraft Corporation Stinson Division 10A ([TCDS A-738](https://openairdocs.org/tcds/A-738)) ## 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. FAA Form 8110-2-1(10-69) Page 1 of 4 Number SA02354AK This Certificate issued to Part 04 of the Civil Air Regulations. Description of Type Design Change: Installation of Lycoming O-320 (no suffix) engine and aft fuselage modification in accordance with the Descriptive Data listed in Tundrahawk, LLC, Master Data List, MDL-LF-08001, dated August 27, 2008, or later FAA approved revision. 1. Compatibility of this design change with previously approved modifications must be determined by the installer. 2. The data supporting this “one-only” STC is inadequate for duplication or installation in other aircraft and it cannot be amended nor is the holder eligible for an FAA production approval. This approval is limited to Stinson 10A, serial number 7856 and shall not be applied to any other serial number airplane. 3. For Instructions for Continued Airworthiness, refer to Tundrahawk Aviation, LLC, Document Number ICA-LF-08001, Rev N/C, dated July 28, 2009, or later FAA approved revision. (See Continuation of Limitations and Conditions on Page 3 of 4) Tundrahawk Aviation, LLC 2425 Merrill Field Drive Anchorage, AK 99501 A-738 Make : Consolidated Vultee Aircraft Corp. (Stinson) 10A Model : ( Signature) David D. Swartz Acting Manager Anchorage Aircraft Certification Office (Title) Date of application: April 14, 2008 Date of issuance: September 11, 2009 FAA Form 8110-2-1(10-69) Page 2 of 4 September 11, 2009 FAA Form 8110-2-1(10-69) Page 3 of 4 September 11, 2009 (Continuation Sheet) Number SA02354AK Limitations and Conditions (Continued) Engine: Lycoming O-320 (no suffix) engine or O-320-A1A (approved alternate). Fuel: Minimum grade aviation gasoline: 80/87 Engine Limits: For all operations, 2700 max rpm (150 hp) Airspeed Limits: Level flight or climb 120 mph True Indicated Glide or dive 144 mph True Indicated Flaps Extended 85 mph True Indicated Tachometer Limits: Red Line: Rated engine speed Yellow Arc: 2500 rpm to 2700 rpm Green Arc: 500 rpm to 2500 rpm Propeller: McCauley 1A170/GM-7646 Propeller Limits: Diameter: Not over 76 inches, not under 70 inches. C.G. Range: (+14.7) to (+19.0) Empty Weight C.G. range: (+14.6) to (+15.7) with standard fuel only. (+14.6) to (+15.3) when extra fuel tank is installed. Ranges are valid for either 1650 or 1680 lbs. maximum weight but not for non-standard arrangements except as noted. When empty weight C.G. falls within pertinent range, computation of critical fore and aft C. G. positions is unnecessary. Maximum weight: 1680 lbs. No. seats: 3 (two at +16 and one @ +39) Maximum baggage: 24 lbs. (+39) Baggage may be increased to 194 lbs. when rear passenger is not carried 15 lbs. (+67) (Aft baggage compartment) 20 lbs. (+120)(Survival gear compartment). Ballast + survival gear not to exceed 20 lbs. Oil capacity: 8 qts (-41) Tires: Minimum tire size: 8.50-6 (See Continuation of Limitations and Conditions on Page 4 of 4) FAA Form 8110-2-1(10-69) Page 4 of 4 September 11, 2009 (Continuation Sheet) Number SA02354AK Limitations and Conditions (Continued) Placards: The following placards are to be conspicuously posted in the noted locations: On the inside of the aft baggage compartment door: 15 lbs MAXIMUM CAPACITY On the outside of the survival gear door: SURVIVAL GEAR BAG INSIDE MAXIMUM WEIGHT OF BALLAST + SURVIVAL GEAR NOT TO EXCEED 20 Lb. On top surface of wing adjacent to fuel filler cap: **PRESSURIZING FUEL FILLER CAPS MUST BE INSTALLED.** VENTS TO FACE FORWARD (LEFT –TO-RIGHT) ±5.0°. -----------------END--------------------- ## Every issue (1) - September 11, 2009: Issued, Current. [certificate](https://openairdocs.org/files/sha256/cf/c9/cfc90cef005ffcbde1589b73ee6f0991c25512551bb24cf311e473bbe250a031) --- 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.