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the ST3400 meets TSO C151b for both Class A and Class B requirements
The newly designed Bose A30 ergonomic control module includes a new feature that lets you select the amount of noise cancelling needed
See Environmental Qualification Sheet
indicated airspeed and glidepath/glideslope
For standalone G5 installations
AV-570 Diplexer | VOR/LOC/GS Receive Only eis the ST3400 meets TSO C151bAV 570 Diplexer VOR LOC GS Receive Only The AV 570 diplexer splits the signal from a VOR Type NAV antenna to feed a NAV LOC and a GS receiver. The diplexer construction is similar to the AV 547 splitter and operates at altitudes up to 50,000 ft. This product is a direct replacement for the CI 507.
