Installation approval of a new engine mount assembly and lateral cyclic control support assembly.

Installation of Franklin 6V-350-A engine, derated to 200 HP. Limited to installation on serial number 1355 ONLY.

Centerframe modification or replacement installation of Lycoming VO-435 engine in lieu of Franklin installation and optional lateral control system.

Removal of Avco Lycoming TV0-435-B1B Engine, Turbocharger, and related parts; and the installation.

Installation of Franklin 6V-350-A engine.

Installation of Lycoming VO-435-A1F engine modified in accordance with STC SE144GL and associated changes.

Installation of Lycoming VO-540- B1 B3 engine.

Install Ag-King 500B spray system with two tanks (800 lbs. Total allowable) 32 feet boom on end of skid tubes and engine driven pump.

Installation of Facet Enterprises, Inc. engine lubrication system scavenge filter.

Twin flow pump on Franklin engine lower generator drive pad and re- route of right-hand tail rotor cable.