Installation of Grimes three light strobe kit.

Modification of a Collins CTL-23 or CTL-23C VHF COMM/NAV Control Panel System installation.

Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation

Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision.

Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head.

Installation of the Tracor TA-7880 VLG/Omega navigation system.

Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation.

Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation.

Installation of the Honeywell MK-VIII Enhanced Ground Proximity Warning System (EGPWS). Data required: (1) Midcoast Certification Drawing List No. 23-327G001 Revision E, dated February 27, 2002; (2) FAA Approved Midcoast Airplane Flight Manual Supplement, Document No. 23-327M002, Revision A, dated February 27, 2002; or later FAA Approved Revisions to (1) or (2)

Installation of Collins FD 109Z and FD 109Y flight director system.