McCauley Blackmac Agtruck STC offered by Air Plains Services
Cessna 188 Propeller STC

Cessna 188 Propeller STC

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Model Eligibility:

Cessna A188, A188A, A188B

Engine Eligibility: 

Continental IO-520 or IO-550

Propeller Model:

McCauley D3A34C401/90DFA-2 


88 inch


The three blade McCauley Propeller D3A34C401/90DFA is a direct replacement for the original, obsolete propeller. The Blackmac prop delivers extra static thrust needed for agricultural applications, firefighting, glider, and banner towing. A real workhorse airplane deserves a propeller that will meet the demands and deliver the performance. Upgrade from the original two blade with the McCauley Blackmac propeller STC available through Air Plains Services. 

The STC Paperwork is issued by aircraft serial number. Upon completion of order placement the STC Paperwork Authorization, Flight Manual Supplement and Installation instructions will be emailed directly to the email provided at check out. 

Additional Information:

To place the order for the propeller and spinner assembly please contact Air Plains for current price and availability. With the purchase of the propeller and spinner assembly the STC Paperwork is included. Contact Air Plains Services for additional information.