On Wednesday, January 25, 2017 at 11:37:19 PM UTC-5, wrote:
Can anyone tell me the power output in watts in the RT551 ? Thanks

FCC list of unacceptable aircraft radios:
http://wireless.fcc.gov/services/ind...craft_stations

EDO Aire

ATX-770
RT-551
RT-553
RT-661( )
RT-771
RT-771A
RT-773
RTD-771