# TCDS P-902: Univair Aircraft Corporation - Type: Type certificate data sheet - Status: Current - Holder: Univair Aircraft Corporation - Revision: 9 - Revised: December 15, 1980 - Product: Propeller - Certification basis: Part 14, CAR 14 - Data sheet PDF: https://openairdocs.org/files/sha256/6f/07/6f075c31bc307966735863d9e2bbb61c214e52dc118386cd5d56cec81e4c519e - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E637F5CF65F2B669852567130051EC17.0001 - Page: https://openairdocs.org/tcds/P-902 ## Models (4) As the data sheet lists them. - F12A-1 - F12A-4 - F12A-3 - F12A-5 ## 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. 9 9 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION P-902 Revision 9 F12 FH250 December 15, 1980 TYPE CERTIFICATE DATA SHEET NO. P-902 Propellers of models described herein conforming with this data sheet (which is a part of propeller type certificate No. 902) and other approved data on file with the Federal Aviation Administration, meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Federal Aviation Regulations provided they are installed, operated, and maintained as prescribed by the approved manufacturer's manuals and other approved instructions. Type Certificate Holder Univair Aircraft Corporation Route 3, Box 59 Aurora, Colorado 80011 Type Constant speed; hydraulic (see Note 3) Engine shaft Special flange shaft, 4" diameter bolt circle Hub material Steel Blade material Aluminum alloy Number of blades Two Hub models F12A-1, -3, -4, -5 (see Note 11 for Model FH250) Blades Eligible Maximum Continuous Takeoff Approx. Maximum Weight Complete (for reference only) (See Note 2) HP RPM HP RPM Diameter Limits (See Notes 3 and 7) 8400-0 to 8400-2½ 260 2625 260 2625 84" - 81½" 65 lbs. Certification basis Civil Air Regulations Part 14 effective December 15, 1956. Type Certificate No. 902 issued December 13, 1957, for Model FH250 propeller and amended March 16, 1960, to delete Model FH250 propeller and Model F12 propeller. Date of application for Type Certificate October 4, 1957. Production basis Production Certificate No. 406. NOTE 1. Hub Model Designation Basic Model F 1 2 A - 1 Particular complete assembly Special flange, 4" B.C. Number of blades Design series Flottorp P-902 2 NOTE 2. Blade Model Designation Basic blade model 84 00 - 2 Diameter reduction in inches Design series Basic diameter in inches NOTE 3. Pitch Control. Eligible with the following governors: Flottorp Models 1F-1 (Garwin 34-825) Wt. 4.5 lb. Woodward Model x,210xxx series Wt. 4.5 lb. NOTES 4, 5, 6. Not applicable. NOTE 7. Accessories. (a) Propellers spinners (1) Eligible with Flottorp Model FS100, FS200 o r FS200-1 spinner. Additional weight 3 lbs. including attaching bolts. NOTE 8. Not applicable. NOTE 9. Table of Propeller-Engine Combinations Approved Vibrations for Use on Normal Category Single-Engine Tractor Aircraft The maximum and minimum propeller diameters that can be used from a vibration standpoint are shown below. No reduction below the minimum diameter listed is permissible since this figure includes the diameter reduction allowable for repair purposes. Blade Model Engine Model Max. Dia. (Inches) Min. Dia. (Inches) Placards 8400-2 Continental IO-470-C 82 81½ None 8400-0 Continental IO-470-J 84 82 None 8400-0 Continental IO-470-K 84 82 None 8400-2 Continental IO-470-N 82 82 None 8400-0 Continental O-470-13, O-470-13A 84 82 None *8400-0 Continental O-470-G 84 83 None *Approved vibrationwise only on Beech Model H35 airplane which was certificated under Part 410 of the Regulations of the Administrator. NOTE 10. The word "eligible" as used herein does not signify approval as part of this type certificate. "Eligible" accessories and governors must be approved as part of the aircraft type certificate upon compliance with the applicable aircraft airworthiness requirements. NOTE 11. Hub models FH250-2 and FH250-4 and corresponding blade model FH250-201 were deleted March 16, 1960. No propellers of these models are eligible for installation on certificated aircraft. .....END..... ``` ## ADs (1, in force first) - [AD 64-07-03](https://openairdocs.org/ad/64-07-03): Propeller Spinner · Univair F12A-3 and F12A-5. Effective Apr 10, 1964 ## STCs approved under this data sheet (1) - [STC SP00582NY](https://openairdocs.org/stc/SP00582NY): Installation of Prop-Guard Polyurethane Protective Tape on the leading edge of metal propellers.. McFarlane Aviation, 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.