TCDS P-856

Page No. 1 2 Rev. No. 5 5 Reformatted 7/94. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION P-856 Revision 5 Hamilton Standard 34D Propeller January 6, 1971 TYPE CERTIFICATE DATA SHEET NO. P-856 Propellers of models described herein conforming with this data sheet (which is part of type certificate No. 856) 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 Civil Air Regulations/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: Hamilton Standard Division United Aircraft Corporation Windsor Locks, Connecticut 06096 Type Hydraulically controllable - Feathering (see NOTES 3 and 4) Hub material Steel Blade material Aluminum alloy Number of blades 4 Hubs eligible 34D50, 34D51, 34D60 and 34DX (see NOTE 1) Blade Eligible Maximum Continuous Takeoff Diameter Limits Hub and Blade Weight (See Note 2) HP RPM HP RPM (See Note 2) (Max Diameter) NOTES 6813-0 to 6813-18 1400 1350 1770 1420 13'1-5/8"-11'7-5/8" 470 lbs. (-0 to -18) 6814 is the left-hand version of 6813. 5 6849-0 to 6849-18 1400 1190 1800 1230 13'-5/8"-11'7-5/8" 522 lbs. (-0 to -24) 6850 is the left-hand version of 6849. 5 Certification basis Type Certificate No. 856 issued May 8, 1947 Production basis Production Certificate No. 14 NOTE 1. Hub Model Destination See * below. SAE propeller shaft size Blade shank size Number of blades Major model type 3 4 D 50 300- *A dash number added to the propeller model designation indicates minor changes which do not affect eligibility. If number is above 300 it also indicates the complete blade assembly and all of the rotating deicing system components. NOTE 2. Blade Model Destination P-856 Page 2 If used, indicates telescoped; "S" square cutoff Nominal reduction from basic diameter in inches Operational features (may indicate particular deicing assembly), does not affect eligibility. Aerodynamic and structural features If used, indicates shank fairing design. A 6813 C 12 T- - The blade model designation suffixed with "T" indicates a diameter reduction by telescoping. Blade models with square cutoffs in accordance with Hamilton Standard blade drawings are suffixed with "S". Diameter limits shown are nominal diameters of the assembled propellers and do not include the ± 1/8 inch manufacturing tolerance permissible for propellers with basic diameter less than 14 feet or ± 1/4 inch permissible for propellers with basic diameter 14 feet or larger. NOTE 3. Pitch Control. Eligible with Hamilton Standard constant speed governor only. NOTE 4. (a) Feathering. Eligible with full feathering control installed in accordance with the propeller manufacturer's instructions. (b) Reversing. Eligible with reversing controls installed in accordance with the propeller manufacturer's instructions. NOTE 5. Left-Hand Models. The left-hand version of an approved model propeller is eligible at the same rating and diameter limitations as listed for the right-hand model. NOTE 6. Interchangeable Blades. None NOTE 7. Accessories. (a) Propeller Deicing (1) Electric. Eligible only with Hamilton Standard electric deicing equipment installed in accordance with the propeller manufacturer's instructions. (2) Fluid. Eligible with Hamilton Standard fluid deicing slinger ring assemblies only. (b) Propeller Spinner. Eligible with spinner supplied by Hamilton Standard. NOTE 8. Shank Fairings. Not applicable NOTE 9. Special Limits. Not applicable NOTE 10. Special Notes. The word "eligible" as used herein does not signify approval. For approval, compliance with the applicable aircraft airworthiness requirements is necessary. ....END....