Installation of Teledyne Continental Motors IO-550C engines and McCauley 3AF32C512/82NEA-5 or Hartzell PHC-C3YF-2UF/FC7663 (B, K) -2R or Hartzell PHC-J3YF-2 (U) F/FC7663 (B,K) -2R propellers in accordance with D’Shannon Products Drawing List No. DL87001, Revision 4, 08/24/92, or later FAA Approved revisions.

Installation of vortex generators on the wings, engine nacelle, horizontal tail surfaces, and leading edge of the rudder of the above model aircraft

Installation of Continental TSIO-520-WB engines, Hartzell PHC-J3YF-2UF/FC7663-DRB propellers, and associated components

Installation of the Hartzell propeller model PHC-C3YF-2UF/FC7391D(B) and PHC-J3YF-2UF/FC7391D(B) propellers in accordance with installation instructions INST_102210 dated October 22, 2010, or later FAA Approved revisions.

Installation of Hartzell propellers de-ice components.

Installation of McCauley propeller governor.

Installation of alternate propeller McCauley No. 3AF32C521/G82NLA-4.0.

Installation of Electronics Int'l digital automatic engine analyzer.

Installation of McCauley Propeller Model 3AF32C504/82NEA, on Beechcraft Models 95-C55, 95-C55A, D55, D55A, E55, & E55A and McCauley Propeller Model, 3AF32C512/82NEA, on Beechcraft Models 58 & 58A, per Colemill Enterprises Installations Instructions dated November 11, 1994, or later FAA Approved Revision.

Installation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed)