It needs the following maintenance: 1. C check, 2. Compliance with applicable ADs ( freighters have less applicable ADs in comparison to passenger aircraft), 3. Corrosion prevention inspection, 4. All 3 engines need corrosion inspection.
INTERIOR:
PEMCO Cargo Door and Roller, Pallets, Transfer Plate, Pallet Lock.
AVIONICS:
Sperry SP150 Pitch Computer
King KNR6030 VHF Comm (#1 & #2)
Dual Collins HF Comm 628T-1
Motorola TSO-C59 SELCAL
Fairchild A100 Voice Recorder
Sundstrand TSO-C51A FDR
Dual Collins 772-5005-005 ADI’s
Dual King ILS Navs KNR6030
Collins Marker BKN 51Z-4
Honeywell Mark VII GPWS/Windshear
Dual King DME
Dual Collins ADF
Dual Collins Altimeters
Bendix/King RDR/1F WX Radar RT
Bendix/King PPI-IT WX Radar IND
Dual Honeywell HT91000 GPS
Honeywell Air Data Computer
Three Vertical Gyros
King/Collins TRA 67A Mode S/621A-6A Mode S Transponders
