# TCDS P21BO: Avia Propeller Ltd. - Type: Type certificate data sheet - Status: Current - Holder: Avia Propeller Ltd. - Revision: 8 - Revised: March 3, 2025 - Product: Propeller - Certification basis: Part 21, Part 35 - Data sheet PDF: https://openairdocs.org/files/sha256/a6/9a/a69a7ef5bb6d3dc5610d3a6cfe78ebad2179c8e48f2cafe6e0ed50894500d4f2 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119693011920250310171923.0001 - Page: https://openairdocs.org/tcds/P21BO ## Models (9) As the data sheet lists them. - V508B - V508Z - V508E - V508 - V508H - V508D-2 - V508D-AG - V508D - V508E-AG ## 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 3 4 5 6 7 Rev. No. 8 8 8 8 8 8 8 U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION TYPE CERTIFICATE DATA SHEET P21BO TCDS NUMBER: P21BO REVISION: 8 AVIA PROPELLER LTD. MODEL/S: AVIA V508, V508B, V508D, V508D-2, V508D-AG, V508E, V508Z, V508E-AG, V508H March 3, 2025 Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P21BO) 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 and other approved instructions. TYPE CERTIFICATE HOLDER Avia Propeller Ltd. Beranovych 65/666 199 00 Prague 9 – Letnany Czech Republic TYPE Constant speed; hydraulic; variable pitch tractor ENGINE SHAFT Flanged: 4.25” (107.95 mm) bolt circle HUB MATERIAL Steel (forging) BLADE MATERIAL Aluminum Alloy (forging) NUMBER OF BLADES 3 DESIGN SERIES AVIA V508, V508B, V508D, V508D-2, V508D-AG, V508Z, V508E, V508E-AG, V508H HUB BLADE NOTE 2 MAXIMUM CONTINUOUS HP/KW RPM HP/KW RPM NOMINAL DIAMETER inches/cm APPROXIMATE WEIGHT lbs. /kg. See NOTE 8 See NOTE 1 84 850/635 2080 850/635 2080 84 in. 213.4 cm. 141 lbs. - 145 lbs. 63.8 kg. - 66 kg. V508H (100-0000) 84B 850/635 2080 850/635 2080 84 in. 213.4 cm. 141 lbs. - 145 lbs. 63.8 kg. - 66 kg. V508H (100-0000) 84B 750/559 2200 750/559 2200 84 in. 213.4 cm. 141 lbs. - 145 lbs. 63.8 kg. - 66 kg. See NOTE 1 91 850/635 2080 850/635 2080 91 in. 230 cm. 143.5 lbs. - 148.4 lbs. 65.1 kg. - 67.3 kg. V508H (100-0000) 91B 850/635 2080 850/635 2080 91 in. 230 cm. 143.5 lbs. - 148.4 lbs. 65.1 kg. - 67.3 kg. V508H (100-0000) 91B 750/559 2200 750/559 2200 91 in. 230 cm. 143.5 lbs. - 148.4 lbs. 65.1 kg. - 67.3 kg. See NOTE 1 93 850/635 2080 850/635 2080 93 in. 236 cm. 143.7 lbs. - 148.6 lbs. 65.2 kg. - 67.4 kg. V508H (100-0000) 93B 850/635 2080 850/635 2080 93 in. 236 cm. 143.7 lbs. - 148.6 lbs. 65.2 kg. - 67.4 kg. P21BO Page 2 of 7 V508H (100-0000) 93B 750/559 2200 750/559 2200 93 in. 236 cm. 143.7 lbs. - 148.6 lbs. 65.2 kg. - 67.4 kg. See NOTE 1 99A 850/635 2080 850/635 2080 99 in. 250 cm. 147.2 lbs. - 152 lbs. 66.8 kg. - 69 kg. V508H (100-0000) 99C 850/635 2080 850/635 2080 99 in. 250 cm. 147.2 lbs. - 152 lbs. 66.8 kg. - 69 kg. V508H (100-0000) 99C 750/559 2200 750/559 2200 99 in. 250 cm. 147.2 lbs. - 152 lbs. 66.8 kg. - 69 kg. See NOTE 1 99B 850/635 2080 850/635 2080 99 in. 250 cm. 144 lbs. - 149 lbs. 65.3 kg. - 67.5 kg V508H (100-0000) 99D 850/635 2080 850/635 2080 99 in. 250 cm. 144 lbs. - 149 lbs. 65.3 kg. - 67.5 kg V508H (100-0000) 99D 750/559 2200 750/559 2200 99 in. 250 cm. 144 lbs. - 149 lbs. 65.3 kg. - 67.5 kg See NOTE 1 106 850/635 2080 850/635 2080 106 in. 270 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg See NOTE 1 106 867/647 1900 867/647 1900 106 in. 270 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg V508H (100-0000) 106B 850/635 2080 850/635 2080 106 in. 270 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg V508H (100-0000) 106B 867/647 1900 867/647 1900 106 in. 270 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg V508H (100-0000) 106B 750/559 2200 750/559 2200 106 in. 270 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg See NOTE 1 108B 850/635 2000 850/635 2000 108 in. 275 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg See NOTE 1 108B 867/647 1900 867/647 1900 108 in. 275 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg V508H (100-0000) 108 850/635 2000 850/635 2000 108 in. 275 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg V508H (100-0000) 108 867/647 1900 867/647 1900 108 in. 275 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg V508H (100-0000) 108 750/559 2200 750/559 2200 108 in. 275 cm. 147.2 lbs. - 152 lbs. 66.8 kg – 69 kg P21BO Page 3 of 7 CERTIFICATION BASIS: The U.S. certification basis determined under Section 21.29 of the FAR and Bilateral Airworthiness Agreement between the United States and the Czech Republic is FAR 35, effective February 1, 1965, Amendment: 35-1 to 35-6 inclusive. Civil Aviation Authority Czech Republic (CAA CZ) originally type certificated this propeller under its Type Certificate Number 91-01. The FAA validated this product under U.S. Type Certificate Number P21BO. Effective September 28, 2003, the European Aviation Safety Agency (EASA) began oversight of this product on behalf of Czechoslovakia. TC (IMPORT) NO. EASA.P.028 TC APPLICATION DATE: June 21, 2000 TC ISSUED: January 11, 2001, revised April 5, 2002, November 1, 2002, March 21, 2012, April 18, 2013. IMPORT REQUIREMENTS: To be considered eligible for installation on U.S. registered aircraft, each propeller to be exported to the United States shall be accompanied by a Certificate of Airworthiness for export endorsed by the Civil Aviation Authority Czech Republic (CAA CZ) on behalf of the European Community which contains the following language: (1) This propeller conforms to its United States type design (TC No. P21BO) and is in a condition for safe operation. (2) This propeller has been subjected by the manufacturer to a final operational check and is in a proper state of airworthiness. Reference FAR Section 21.500 which provides for the airworthiness acceptance of aircraft engines or propellers manufactured outside the U.S. for which a U.S. type certificate has been issued. Additional guidance is contained in FAA Advisory Circular 21-23, Airworthiness Certification of Civil Aircraft, Engines, Propellers and Related Products, Imported into the United States. NOTES NOTE 1: Hub model designation. 066-0000 propeller V508 066-0000 propeller V508B 066-0000 propeller V508D 066-0000 propeller V508D-2 066-0000 propeller V508D-AG 066-0000 propeller V508Z 076-0000 propeller V508E 076-0000 propeller V508E-AG NOTE 2: Blade model designation. (a) 84 - Basic blade model designation - blade drawing P/N 076-1100.1, clockwise rotation (propeller diameter 2134 mm) (1) 84/B1 - blade with de-icer 28VDC, single element (2) 84/B2 - blade with de-icer 28VDC, dual element (3) 84/A - blade without de-icer (b) 84B - Basic blade model designation – blade drawing P/N 010-1098, clockwise rotation (propeller diameter 2134 mm) (1) 84B/B1 - blade with de-icer 28VDC, single element (2) 84B/B2 - blade with de-icer 28VDC, dual element (3) 84B/A - blade without de-icer P21BO Page 4 of 7 (c) 91 - Basic blade model designation – blade drawing P/N 076-1100.5, clockwise rotation (propeller diameter 2300 mm) (1) 91/B1 - blade with de-icer 28VDC, single element (2) 91/B2 - blade with de-icer 28VDC, dual element (3) 91/A - blade without de-icer (d) 91B - Basic blade model designation – blade drawing P/N 010-1095, clockwise rotation (propeller diameter 2300 mm) (1) 91B/B1 - blade with de-icer 28VDC, single element (2) 91B/B2 - blade with de-icer 28VDC, dual element (3) 91B/A - blade without de-icer (e) 93 - Basic blade model designation – blade drawing P/N 076-1100.5, clockwise rotation (propeller diameter 2360 mm) (1) 93/B1 - blade with de-icer 28VDC, single element (2) 93/B2 - blade with de-icer 28VDC, dual element (3) 93/A - blade without de-icer (f) 93B - Basic blade model designation – blade drawing P/N 010-1095, clockwise rotation (propeller diameter 2360 mm) (1) 93B/B1 - blade with de-icer 28VDC, single element (2) 93B/B2 - blade with de-icer 28VDC, dual element (3) 93B/A - blade without de-icer (g) 99A - Basic blade model designation - blade drawing P/N 059-1100, clockwise rotation (propeller diameter 2500 mm) (1) 99A/B1 - blade with de-icer 28VDC, single element (2) 99A/B2 - blade with de-icer 28VDC, dual element (3) 99A/A - blade without de-icer (h) 99B - Basic blade model designation - blade drawing P/N 076-1100-A, clockwise rotation (propeller diameter 2500 mm) (1) 99B/B1 - blade with de-icer 28VDC, single element (2) 99B/B2 - blade with de-icer 28VDC, dual element (3) 99B/A - blade without de-icer (i) 99C - Basic blade model designation – blade drawing P/N 010-1096, clockwise rotation (propeller diameter 2500 mm) (1) 99C/B1 - blade with de-icer 28VDC, single element (2) 99C/B2 - blade with de-icer 28VDC, dual element (3) 99C/A - blade without de-icer (j) 99D - Basic blade model designation – blade drawing P/N 010-1097, clockwise rotation (propeller diameter 2500 mm) (1) 99D/B1 - blade with de-icer 28VDC, single element (2) 99D/B2 - blade with de-icer 28VDC, dual element (3) 99D/A - blade without de-icer (k) 106 - Basic blade model designation - blade drawing P/N 076-1100.2, clockwise rotation (propeller diameter 2700 mm) (1) 106/B1 - blade with de-icer 28VDC, single element (2) 106/B2 - blade with de-icer 28VDC, dual element (3) 106/A - blade without de-icer P21BO Page 5 of 7 (l) 106B – Basic blade model designation – blade drawing P/N 010-1053, clockwise rotation (propeller diameter 2700 mm) (1) 106B/B1 - blade with de-icer 28VDC, single element (2) 106B/B2 - blade with de-icer 28VDC, dual element (3) 106B/A – blade without de-icer (m) 108- Basic blade model designation - blade drawing P/N 010-1115, clockwise rotation (propeller diameter 2750 mm) (1) 108/B1 - blade with de-icer 28VDC, single element (2) 108/B2 - blade with de-icer 28VDC, dual element (3) 108/A – blade without de-icer (n) 108B – Basic blade model designation – blade drawing P/N 010-1117, clockwise rotation (propeller diameter 2750 mm) (1) 108B/B1 - blade with de-icer 28VDC, single element (2) 108B/B2 - blade with de-icer 28VDC, dual element (3) 108B/A – blade without de-icer P21BO Page 6 of 7 Propeller designation. The complete propeller designation is a combination of propeller hub, propeller blade and additional specification. /B1 B /99 V508 Blade version (model) Propeller diameter in inches Hub version (model) Blank - denotes without the overspeed governor B - denotes without the overspeed governor D - denotes with the overspeed governor D-2 - denotes with the overspeed governor, reverse angle -8° D-AG – denotes with the overspeed governor, minimum flight angle 10°, for agricultural operation E – denotes with the overspeed governor, with secondary pitch lock E-AG – denotes with the overspeed governor, with secondary pitch lock, for agriculatural operation Z – denotes with the overspeed governor, reverse angle -3°, for agricultural operation H – denotes single acting model without the overspeed governor Propeller type E Additional specification A – denotes without de-icing B1 – denotes de-icing 28 VDC, single element de-icer (two leads: power and ground) B2 – denotes de-icing 28VDC, dual element de-icer (three leads: inboard, outboard and ground) NOTE 3: Pitch control. (a) The propellers are approved for flight operation with propeller speed governors which are listed in Avia Propeller Service Bulletin No. 3 (b) The propellers are approved for flight operation with propeller overspeed governors which are listed in the appropriate propeller or engine or aircraft parts list NOTE 4: (a) Feathering. The propellers incorporate feathering and unfeathering features when equipped with appropriate mounted instruments (see Note 4 and 8). Blade feathering is accomplished by: (1) by oil pressure - all versions except V508H (2) by springs – V508H (3) by outweighing moment of counterweights - all versions P21BO Page 7 of 7 (b) Reversing. The propellers incorporate reversing feature when equipped with appropriate mounted instruments (see Note 3). NOTE 5: Clockwise rotation. (a) Rotation of the approved propellers is clockwise when looking from the engine side NOTE 6: Interchangeability of the propeller blades. Not applicable NOTE 7: Accessories. (a) The propellers are approved for flight operation with the accessories according to Avia Propeller Service Bulletin No. 3 (b) Propellers de-icing according to Avia Propeller Service Bulletin No. 4 (c) Propeller spinner according to Avia Propeller Service Bulletin No. 2 (1) Weight of the propeller spinner is included in the total weight of propeller NOTE 8: Shank fairings. Not applicable. NOTE 9: Special limits. *Life limited components of the Avia V508 series propeller are listed in Operation and Installation Manual. Time Between overhauls (TBOs) is listed in Avia Propeller Service Bulletin No. 1 NOTE: 10: Special notes. (a) The propeller installations must be approved as part of the aircraft type certificate to demonstrate compliance with the applicable aircraft airworthiness standards. NOTE 11: Operating and Service Instructions for Avia V508 series propellers Instructions for continued airworthiness are listed in these documents Version (model) Overhaul Manual (part number) Installation and Operation Manual (part number) V508, V508B E-1461, EN-1370 E-1500 V508D E-1461, EN-1370 E-1500 V508D-2 E-1461, EN-1370 E-1500 V508D-AG E-1461, EN-1370 E-1500 V508E, V508E-AG E-1461, EN-1370 E-1500 V508Z E-1461, EN-1370 E-1500 V508H E-1461, EN-1370 E-1500 NOTE 12: Service Information: Each of the documents listed below must state that it is approved by the European Aviation Safety Agency (EASA) or – for approvals made before September 28, 2003 – by the CAA CZ. Any such documents are accepted by the FAA and are considered FAA approved. • Service bulletins, • Structural repair manuals, • Vendor manuals, • Aircraft flight manuals, and • Overhaul and maintenance manuals ``` ## ADs None name its models. --- 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.