# TCDS A6SO: Mael Aircraft Corporation - Type: Type certificate data sheet - Status: Current - Holder: Mael Aircraft Corporation - Revision: 2 - Revised: October 1, 1977 - Product: Aircraft, Small Airplane - Certification basis: Part 23 - Data sheet PDF: https://openairdocs.org/files/sha256/c5/de/c5dee5bd90f7d75a5428a860e142f6d28fae12318411061004f0e50545e4a364 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B5EA8DE42BBA63C68525673C0050DBBA.0001 - Page: https://openairdocs.org/tcds/A6SO ## Models (1) As the data sheet lists them. - BA-42 ## 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. 2 2 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION A6SO Revision 2 Mael (Burns) BA-42 October 1, 1977 TYPE CERTIFICATE DATA SHEET NO.A6SO The data sheet which is a part of type certificate No. A6SO prescribes conditions and limitations under which the product for which the type certificate was issued, meets the airworthiness requirements of the Federal Aviation Regulations. Type Certificate Holder Mael Aircraft Corporation Portage, Wisconsin I - Model BA-42, 4 PCLM (Normal Category), approved May 12, 1970 Model BA-42, 6 PCLM (Normal Category), approved October 3, 1977 Engines 2 Continental IO-360-D Fuel 100/130 Minimum grade aviation gasoline Engine limits For all operations, 2800 rpm (210 hp) Propeller and 2 McCauley, Hub Model D2AF34C59, propeller limits Blade: Model 76C-2 Pitch: High 79°, Low 11.2°, measured at the 30 inch blade station. Diameter: 74 inches (no further reduction permitted). RPM Restrictions 1800-2050 with 18 inches MP, and above. Propeller spinners 2 Spinners, BAC P/N 42-6006 required Governors 2 Woodward, Model 210436 Airspeed limits Vne (Never exceed) 252 MPH (219 Kts.) Vno (Maximum Structural Cruise) 200 MPH (173 Kts.) Va (Maximum Design Maneuvering) 177 MPH (153 Kts.) Vfe (Flaps Extended) 145 MPH (126 Kts.) Vlo (Landing Gear Operating) 140 MPH (122 Kts.) Vle (Landing Gear Extended) 155 MPH (134 Kts.) Vmc (Minimum Control Speed) 95 MPH ( 82 Kts.) C.G. range (+130.51) to (+138.85) at 3500 lbs. and less (Gear extended) (+135.01) to (+138.85) at 4250 lbs. Straight line variation between points given Moment change due to retracting landing gear: -1296 inch-pounds. Empty weight C.G. range Maximum Aft permissible empty weight c.g. is 134.57 inches. Ballast may be required (see Dwg. No. 42-2031) Datum Datum line is 137.0 inches forward of centerline of main frame (wing spar carry through). Leveling means Level line on left side of vertical tail for longitudinal leveling. Deck of main frame at F. S. 137.0 for lateral leveling. A6SO Maximum weight 4250 pounds Number of seats 4 (2 at +118.6, 2 at +155.0) (4 PCLM Only) 6 (2 at +119.0, 2 at +156.0, 2 at +191.0) (6 PCLM) Maximum baggage Baggage not authorized. Fuel capacity 100 gal. total (2 wing tanks, 50 gals. each) at +143.9. 37 gal. usable each tank. See Note 1 for system fuel. (4 PCLM only) 49 gal. usable each tank. See Note 1 for system fuel. (6 PCLM only) Oil capacity 20 qts. (10 qts. each engine) (7 qts. usable) at +92.0. See Note 1 for system oil. Control surface movements Aileron 16° + 1.5° Up 16° + 1.5° Down Aileron tab 14° + 1.5° Up 14° + 1.5° Down (left wing only) Elevator 11.75° + 0.0° 15° + 1.5° Down 0.75° Up Rudder 23° + 1.5° Right 23° + 1.5° Left Rudder Tab 20° + 1.5° Right 27° + 1.5° Left Flaps 24° + 1.5° Down Manufacturers Serial 002 and up (See NOTE for 4 PCLM and Serial No. 001) Nos. eligible Certification basis FAR 21 effective 1 February 1965, including Amendments 1 through 15. FAR 23 effective 1 February 1965, including Amendments 1 through 4. Production basis None. Prior to original certification of each aircraft, an FAA representative must perform a detailed inspection for workmanship, materials, and conformity with the approved technical data, and a check of the flight characteristics. Equipment The basic required equipment as prescribed in the applicable airworthiness regulations (see Certification Basis) must be installed in the aircraft for certification. Additional required items of equipment are listed in the FAA approved BAC Report 42-7 or the Airplane Flight Manual. Burns Aircraft Corporation Airplane Flight Manual approved 12 May 1970, is required. (4 PCLM only). Mael Aircraft Corporation Airplane Flight Manual approved October 3, 1977, is required (6 PCLM). Note 1: Current weight and balance report including list of equipment included in certificatedempty weight, and loading instructions, when necessary, must be provided for each aircraft at the time of original certification. The certificated empty weight and the corresponding center of gravity ; 1) must include 26 gals. of unusable fuel at (+130.9) and 4.0 lb. of system oil at (+92.0) (4 PCLM only), 2) must include 2 gals. of unusable fuel at (+115.0) and 4.0 lbs. of system oil at (+92.0) 6 PCLM). Note 2: All placards required in the approved airplane flight manual must be installed in the appropriate location. Note 3: Intentionally left blank. Note 4: The electrical system is limited to a continuous load not to exceed 24 amperes. Note 5: The 4 PCLM approval was intended for Serial No. 001, only, which does not conform to type design data. ....END.... ``` ## ADs None name its models. ## Registered aircraft by registry model (OpenAirDocs) - [Burns BA-42](https://openairdocs.org/model/burns-ba-42): 0 aircraft (registry code 1420101) - [Mael BA-42](https://openairdocs.org/model/mael-ba-42): 0 aircraft (registry code 05601D3) - [Mael BURNS BA-42](https://openairdocs.org/model/mael-burns-ba-42): 0 aircraft (registry code 5430102) ## STCs approved under this data sheet (5) - [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc. - [STC SA03286CH](https://openairdocs.org/stc/SA03286CH): Install an electronic engine ignition system. Electroair Acquisition Corporation - [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation - [STC SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system.. Champion Aerospace LLC --- 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.