# TCDS A-749: Ryan Aeronautical Company - Type: Type certificate data sheet - Status: Current - Holder: Ryan Aeronautical Company - Revision: 0 - Revised: June 1, 1949 - Product: Aircraft, Small Airplane - Certification basis: CAR 4a - Registered aircraft: 117, by the registry models matched to it (OpenAirDocs) - Data sheet PDF: https://openairdocs.org/files/sha256/24/41/2441ad8595d19e2c7a113a8ddfba7692c7845b80819aa47e85aeaa47f5f7fc1e - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1774CFDA4B7190528525673D00632A10.0001 - Page: https://openairdocs.org/tcds/A-749 ## Models (1) As the data sheet lists them. - ST-3KR ## What the data sheet says From the PDF's text layer, line by line; tables lose their columns. The PDF is the record. ```text Page No. 1 2 Rev. No. - - DEPARTMENT OF COMMERCE CIVIL AERONAUTICS ADMINISTRATION A-749 RYAN ST-3KR (Army PT-22, PT-22A) June 1, 1949 AIRCRAFT SPECIFICATION NO. A-749 Manufacturer Ryan Aeronautical Company Lindbergh Field San Diego, California I - Model ST-3KR (Army PT-22, PT-22A), 2 POLM, Approved February 16, 1942 Engine Kinner R-5 Series 2 (See also Items 202 and 105 for optional engines). Fuel 73 min. octane aviation gasoline Engine limits For all operations, 1850 rpm (160 hp) Airspeed limits Level flight or climb 140 mph Glide or dive 190 mph Flaps extended 100 mph Propeller limits See Items 1, 2 or 101. C.G. range (+33.3) to (+38.5) Empty weight C.G. range (+29.5) to (+30.5). When empty weight C.G. falls within this range, computation of critical fore and aft C.G. positions is unnecessary. Range is not valid for non-standard arrangements. Datum Forward face of firewall. Leveling means Lugs on bulkheads 3 and 4 - right side of rear cockpit. Maximum weight 1885 lbs. No. seats 2 (one at +42 and one at +89). Maximum baggage 53 lbs. (+119) Fuel capacity 24 gals. (+10.5) one fuselage tank Oil capacity 3 gals. (-5.5) Control surface movements Wing Flaps down 28.5° Elevator trim tab up 27.5° down 31° Elevator up 35° down 26° Ailerons up 34° down 21.5° Rudder right 26° left 27° Serial Nos. eligible 1001 and up and all AAF numbers. Use manufacturer's number when available. Required equipment Items 101, 102, 103, 104. SPECIFICATIONS PERTINENT TO ALL MODELS Certification basis Type Certificate No. 749 (CAR 4a) Production basis None. Each aircraft of model ST-3KR manufactured after July 21, 1943, for civil certification, must, prior to original certification, satisfactorily pass: (a) An inspection for workmanship, materials and conformity before any covering, metal priming or final finish is applied. All woodwork may be varnished. (b) A final inspection of the completed aircraft. (c) A check of the flight characteristics. Export eligibility Eligible for export to all countries except as follows subject to the provisions of ASR 312 (MOP 2-4 contains the same information): Canada - Landplane eligible - Skiplane not eligible. A-749 2 Equipment: A plus (+) or minus (-) sign preceding the weight of an item indicates net weight change when that item is installed. Propellers and Propeller Accessories 1. Propeller - Sensenich 90H-89, 90H-90, 90HSP-89 or 46 lbs. (-38) 90HSP-90, including hub 2. Propeller - Sensenich 90HA-86, 90HA-89, 90HA-90, 53 lbs. (-38) 90HASP-90, 90HASP-90M, 42K12335, 42K12335M, or 43K26215, including hub 101. Propeller - Sensenich 88KSP-84, including hub 36 lbs. (-38) (For R-5 Series 2 engine) Engines and Engine Accessories - Fuel and Oil System 104. Carburetor air heater (Ryan Dwgs. E-1283 and E-1333) 105. Kinner R-56 engine +37 lbs. (-24) (Propeller Item 1 or 2 and lead ballast as required must be used with this engine) 201. Starter, direct drive, hand 8 lbs. ( -8) 202. Kinner R-55 engine +21 lbs. (-24) (Propeller Item 1 or 2 and lead ballast as required must be used with this engine) 203. Alternate engine mount +6 lbs. (-14) Landing Gear and Floats 102. 7.00-6 wheels (Shinn 6C5YFB) with brakes and 4-ply tires 30 lbs. ( +19) 103. Steerable tail wheel and tire (8 in. smooth contour) 4 lbs. (+200) NOTE 1. Current weight and balance report including list of equipment included in certificated weight empty, and loading instructions when necessary, must be in each aircraft at the time of original certification and at all times thereafter. When weight and balance computations indicate that the forward C.G. limit is exceeded, lead ballast of sufficient weight to meet this limit shall be installed t (+195). Ryan Drawing No. M-1114 shows an acceptable method of installing two individual three (3) lb. weights. Each weight may be lengthened and increased to a maximum of 10 lbs. provided the weight is adequately attached by 3/16 inch bolts to the bulkhead web and to the fuselage skin. When total ballast in excess of 16 lbs. is installed, the rear C.G. limit must be restricted to (+37) (17.35% MAC). NOTE 2. Placard front cockpit: "Solo flying from rear seat only." ....END.... ``` ## ADs (2, in force first) - [AD 46-06-01](https://openairdocs.org/ad/46-06-01): Front Fin Spar · Ryan Aeronautical ST-3KR - [AD 51-28-03](https://openairdocs.org/ad/51-28-03): Fuel Valve Placard · Ryan Aeronautical ST-3KR ## Registered aircraft by registry model (OpenAirDocs) - [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr): 117 aircraft (registry code 7830502) ## STCs approved under this data sheet (33) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system.. Shady Aviation LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc. - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc. - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc. - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation - [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.. Andrew D. Humphrey - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric.. Aviation Products Systems Inc. - [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc. - [STC SA02402SE PAGE 2](https://openairdocs.org/stc/SA02402SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc. - [STC ST00961LA](https://openairdocs.org/stc/ST00961LA): Installation of MASS Systems fire extinguisher cartridges as replacements for Walter Kidde Aerospace fire extinguisher cartridges in fire extinguisher bottles installed in the airplane models noted on the FAA Approved Model List dated June 29, 2000, or later FAA approved revisions. These fire extinguisher cartridges are in accordance with the MASS Systems Master Drawing List No. 30980-1, "Slug Thrower Cartridges Master Drawing List", Revision N/C, dated June 26, 2000, or later FAA approved revisions.. AMETEK AMERON LLC d/b/a MASS Systems - [STC SA01988SE](https://openairdocs.org/stc/SA01988SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.. Electronics International Inc. - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.. M-20 Oil Separators LLC - [STC SA2921WE](https://openairdocs.org/stc/SA2921WE): Reduce size of cockpit openings, install rounded windshields, flush rivet and increase fuselage skin gages, install internal top longerons, remove external top longerons and install internal aileron balance weight.. Helicorp Inc. - [STC SA4317WE](https://openairdocs.org/stc/SA4317WE): Installation of Ranger 6-440-C5 engine, Sensenich 86R61 propeller, and auxiliary fuel pump, and associated changes.. Helicorp Inc. - [STC SA4463NM](https://openairdocs.org/stc/SA4463NM): Installation of Ryan Model ST-A type main landing gear.. Helicorp Inc. - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.. Electronics International - [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc - [STC SA1008WE](https://openairdocs.org/stc/SA1008WE): Installation of Poly-Fiber covering material.. Poly-Fiber Inc. - [STC SA1363GL](https://openairdocs.org/stc/SA1363GL): Surrendered and incorporated into STC SA00478CH.. Cooper Aviation Supply Company, Inc. - [STC SA02168AK](https://openairdocs.org/stc/SA02168AK): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated.. Avalaska Inc - [STC SA2-952](https://openairdocs.org/stc/SA2-952): Installation of fiberglass covering.. Razorback Fabrics Inc - [STC SA00754AT](https://openairdocs.org/stc/SA00754AT): Installation of Sensenich propellers, W 90HASP86, or W 90HASP87, or W 90HASP88, or W 90HASP89, on the Kinner R55 or R56 engines.. National Ryan Club - [STC SA00188WI](https://openairdocs.org/stc/SA00188WI): Operation of airplane on unleaded or leaded automotive gasoline, 87 minimum antiknock index (RON+MON)/2.. Petersen Aviation Inc - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer.. Electronics International - [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc - [STC SA4-1210](https://openairdocs.org/stc/SA4-1210): Installation of Eonnex cover on aircraft surfaces.. Ceconite, Inc - [STC SA1350WE](https://openairdocs.org/stc/SA1350WE): Replace existing fabric on wings, fuselage, empennage and/or control surfaces with fiberglass cloth.. Ceconite, Inc - [STC SA4-822](https://openairdocs.org/stc/SA4-822): Ceconite 101 covering of wings, flaps, ailerons, horizontal stabilizer and elevators.. Cooper Engineering Corporation - [STC SA4-840](https://openairdocs.org/stc/SA4-840): Fabric replaced with glass cloth on wings, fuselage, empennage and/or control surfaces.. Air Fibre Inc --- 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.