# STC SA1805NM - Type: Supplemental type certificate - Status: Current, Issued - Holder: Jerry F. O'Donnell, United States - Description: S/N D-7135: Installation of Continental TSIO-520-D engine and McCauley 2036C23/S84B-2 propeller - Applied: September 3, 1980 - Status date: December 3, 1982 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15) - Certificate PDF: https://openairdocs.org/files/sha256/83/22/83226edcdac3297301f8c875baeaf5ac6a6ce14ed1f08873e525111bcf539259 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1C1C7D8E2D59CD9B862579F40057DEA6.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1805NM ## ADs that name it (0) None. ## Approved models (1) - Hawker Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. Ranited Scotes of Samerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A1805NM This certificate issued to: Jerry F. O'Donne11 Paré 3 of the CIVIL AIT Aegulations as amended to May 15, 1956 and amendment 3-8. Refer to Note 2 of this SIC for compliance with FAR 36. Original Product - Type Certificates Number: Make: Beechcraft Model: P35, S/N D-7135, N63PT Description of Type Design Change: Utility Category Installation of Continental ISI0-520-D engine and McCauley 2A36C23/S84B-2 propeller in accordance with Jerry O'Donnell Installation Instructions for Continental TSIO-520-D engine in Beech P35 S/N D-7135, dated August 3, 1981. Jerry O'Donnell FAA Approved AFM Supplement dated December 3, 1982 is required. Limitationand bemdilions: Data not suitable for reproduction of installation in other aircraft; therefore, they are satisfactory for Beechcraft P35, S/N D-7135 only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefore. Supplemental Type Certificate Addendum No. SA1805NM is a part of this Certificate. A copy of this Certificate, SIC Addendum No. SA1805NM, and O'Donnell Installation Instructions for Continental TSIO-520-D engine in Beech P35, This cereas sha these paing into de part letter permanent nords for this direratt. vendered, suspended, revoked, or a lermination date is sherwise established by the ddministrator s/ the Federal Aviation Administration Date of Application: September 3, 1980 Dude misserent: Date of Issuance: . December 3, 1982 Date Amended: FEDERAL AVIATION By Direction of the Administrator TAMINISTRAI (Signature) Supervisor, Aircraft Modification Section (Title) 47. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA1805NM Make: December 31 _ 1982 Beech P35 S/N D-7135, N63PT Supplemental Type Certificate Addendum No. SA1805NM The conditions and limitations of Aircraft Specification No. 3A15 apply except as follows: This Addendum, which is part of Supplemental Type Certificate No. SA1805NM, prescribes conditions and limitations under which the product for which the SIC was issued meets the airworthiness requirments of the Civil Air Regulations. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records. Supplemental Type Certificate HOLDER: JERRY O'DONNELL I - Beech Model P35 as modified by SIC SA1805NM Engine: Continental TSIO-520-D Fuel: 100LL or 100 minimum grade aviation gasoline Engine Limits: For all operations, 2700 (260 BP). Propeller: Mc Cauley 2A36C23/S84B-2 HUB: 2A36C23 BLADE: S84B-2 PITCH SETING: LOw 13.3° @ 30 in station High 29.20 Diameter Limits Not over 84" Not under 82" Governor: Woodward 210452 or A210680 Spinner: McCauley D32090A Powerplant Instrument Markings: Oil Temperature Gage: Green Arc (Normal Range) 100° to 240°p Yellow Radial (Caution) 100°p Red Radil (Maximum) 240°F Oil Pressure Gage: Green Arc (Normal Range) 30 to 60 psi Red Radial (Minimum) 30 psi Red Radial (Maximum) 100 psi **FAA FORM 8110-2-1 (10-69) PAGE 3 OF 5 PAGES C FAA AC 73-2651** United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1805NM Make: December 32 199 Supplemental Type Certificate Addendum No. SA1805NM (continued) Fuel Flow: Green Arc or Band (Operating Range) 6.9 to 24.3 gph or 41.4 to 145.8 pph Red Line (Maximum) 18.2 psi Red Line (Minimum) 1.5 psi Tachometer: Green Arc (Normal Range) 1750 to 2700 RPM Red Radial (Maximum) 2700 RPM Cyclinder Head Green Arc (Norma) Temperature: Red Radial (Maximum) 460°F Measured by Bayonet Type Thermocouple on Cylinder No. 6 Manifold Pressure Green Arc (Normal Range) 15 to 29.3 in. Hg. Make: Red Radial Line (Maximum 29.3 in. Hg. Oil Capacity: 12 Qts. (+25) See Note 1 of Spec 3A15 for system oil. Maximum Operating Altitude: 17,500 Ft. Serial Numbers Eligible: D~7135 Only Required Equipment: In addition to the equipment applicable and required by Aircraft Specification No. 3A15, the equipment specified by Jerry O'Donnell Installation Instructions for Continental FSI0-520-D engine in Beech P35, Serial D-7135, dated August 3, 1980 must be installed as a result of this SIC. NOTE 1. The following Placards must be displayed, in addition to the existing Placards: (a) Near the Auxiliary Fuel Pump switch, in full view of the pilot; and at the appropriate switch position: "HIGH BOOST" - "ON" - LOW BOOST" "LOW BOOST MUST BE ON FOR CLIMB OPERATIONS ABOVE 8000 FT PRESSURE ALTITUDE." HIGH BOOST NOT APPROVED FOR NORMAL OPERATTONS." **47 PAGE 4OF 5 PAGES C FAA AC 73-2651** United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA1805NM Make: December 3. 198- Supplemental Type Certificate Addendum No. SA1805NM (continued) (b) On the engine control pedestal; at the alternate engine air door control: "ALTERNATE AIR, PULL AND RELEASE." (c) In Full View of Pilot: "MAXIMUM ALTITUDE 17,500 PT." (d) On Inner Side of Baggage Door: "MAXIMUM JUMP SEAT CAPACITY 90 LB." NOTE 2. For this modification the maximum normal operating power has been limited to 260 HP and 2700 RPM. which results in no accoustical change as defined by paragraph 21.93 (b) of the Federal Aviation Regulations. **END FAA FORM 8110-2-1 (10-69) PAGE 5 OF 5 PAGES C FAA AC 73-2651** ## Every issue (1) - December 3, 1982: Issued, Current. [certificate](https://openairdocs.org/files/sha256/83/22/83226edcdac3297301f8c875baeaf5ac6a6ce14ed1f08873e525111bcf539259) --- 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.