PIPER PA-23 MODIFICATIONS (74)

Installation of Bendix/King KMD 550/850 Multi-Functional Display System with optional...

Installation of Bendix/King KMD 550/850 Multi-Functional Display System with optional traffic, terrain and weather sensors. This STC applies to both single-engine and small multi-engine aircraft (see 1 of 2 for small twin-engine).

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Installation of Lycoming IO-360-B1B engines and Hartzell HC-C2YR-2RA/7666A-2 propellers. Gross...

Installation of Lycoming IO-360-B1B engines and Hartzell HC-C2YR-2RA/7666A-2 propellers. Gross weight increase to 3684 lbs on PA-23 and 4000 lbs on PA-23-160. Data required: PA-23: Doyn dwg 1500, Rev. C, except for Hartzell HC-922K-2B/8447-12A props. Doyn dwg 1507, Rev. C, PA-23-160: Doyn dwg. 1800, Rev. C, except for Hartzell HC-922K-2B/8447-12A props. Dwg. 1807, Rev. C.

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Installation of Lycoming IO-360-B1A engines and Hartzell HC-C2YK-2RA/7666A-2 propellers. Gross...

Installation of Lycoming IO-360-B1A engines and Hartzell HC-C2YK-2RA/7666A-2 propellers. Gross weight increase to 4000 lbs. Data required: Eight photographs for Doyn 180 HP Piper “Apache” Fuel Injection dated May 20, 1964. Doyn dwg. 1800, Rev. C dated 3/23/62, except for propeller specified and fuel system (dwg. 1807). Hartzell Type Certification Data Sheet P-920-5 for propeller installation.

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Installation of the following: Engines: Lycoming IO-540-A1A5 or Lycoming IO-540-G1A5;...

Installation of the following: Engines: Lycoming IO-540-A1A5 or Lycoming IO-540-G1A5; Propellers: Hartzell HC-A3XK-2C/8433-10 or HC—A3XK-2B/7636D-4; Data required: Doyn approved Drawing List 2200.

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Installation of Lycoming O-360-AID engine and Hartzell HC-C2YK-2RB/7666A-2 or HC-C2YK-2CUF/FC7666A-2...

Installation of Lycoming O-360-AID engine and Hartzell HC-C2YK-2RB/7666A-2 or HC-C2YK-2CUF/FC7666A-2 propeller.

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Installation of Hartzell HC-A3XK-2B/7636D-4 Propellers and C-2513-2P spinners. Data required:...

Installation of Hartzell HC-A3XK-2B/7636D-4 Propellers and C-2513-2P spinners. Data required: Doyn Dwg. 2100 dated August 5, 1963.

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Installation of Franklin 64-350-C1 engines with McCauley 2AF31C10/84SF-8 propeller increase...

Installation of Franklin 64-350-C1 engines with McCauley 2AF31C10/84SF-8 propeller increase gross weight 3675 lbs. takeoff for Piper Model PA-23, and increase in gross weight to 3992 lbs take-off for Piper model PA-23-160

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