Under Swiss FOCA STC MOD 05-439-hf the NAV/COM units have been upgraded and connected to EFIS 40/50 and Radio Management system in order to fulfil 8.33KHZ spacing requirement. However the DME442 (dual channel, single unit) has not working correctly. This RUAG Minor Change corrects this through minor wiring changes.

Please contact modification supplier for further details.

STC Status: Completed
STC Date:
Responsible Office: Emmen, Switzeland