y installed equipment includes: 2 Ea. Collins RTU-4210 Radio Tune Units, P/N 822-0836-005 Removed equipment includes: 2 Ea. Gables 700-D36407A-002 Comm Controls 2 Ea. Gables 700-D36409A-002 Nav Controls 2 Ea. Gables 700-D36411A-002 AIDE Controls 1 Ea. Gables 700-D36413-008 ATC 1 Control 1 Ea. Gables 700-D