Installation of Lycoming engines, Hartzell propellers, aerodynamic performance package and associated systems. (See STC for model numbers).

Installation of a Lycoming engine, Hartzell propellers, Woodward propeller synchrophasers and unfeathering accumlators, modified pressuriztion system to 4.25 psi, Aero-Air Corporation air conditioning system, 35 ampere hour batteries, interior sound reduction package, aerodynamic performance package and associated systems (See STC for models)

Installation of Hartzell (see STC) propellers and increase in maximum continuous power to 300 HP for existing Lycoming IO-540-K1F5, -K1J5 engines installed on the Model 600 and IO-540-S1A5 engine installed on the 601 and 601P models.

Installation of various SMR Technologies electrical propeller deicer models.

Installation of Machen, Inc. intercooler engine as modified by STC SE3590NM, optional Hartzell HC-C3YR-2UF/FC8468DB-14 propellers.

Installation of engine driven air conditioning compressor.

Installation of engines and propellers with options of intercooler and maximum takeoff weight increase.

Extension of LBA/EASA STC SA1369 and SA1403:Aerostar PA-60-700P ; Installation of MTV-14-B-C/CF(L)188-30dpropellers: optional installation of MTV-14-B-C/CF(L)188-30g propellers.Aerostar PA-60-600; PA-60-601; PA-60-601P; PA60-602P all modified withFAA-STC SA1658NM Installation of MTV-14-B-C/CF188-30d... LBA SA1369

Installation of Electronics Int'l digital automatic engine analyzer.

Installation of Meryln Products, Inc. Induction Air Intercooler System(STC No. SA4009NM), new Rotomaster ME60 turbochargers and Hartzell HC-C3YR-2UF/FC6660 or HC-C3YR-2UF/ FC8468(D)-8 propeller.