Potomoc Tracon - 2006 document
Washington DC air traffic control info
http://www.ntsb.gov/Dockets/Aviation...203/409547.pdf
KRANT has 2 different freqs listed
.
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Maryland State Police - Syscom procedures
http://www.ntsb.gov/Dockets/Aviation...203/409103.pdf
info about Maryland State Police helicopter procedures
FlightNet TG - page 3 - ? talkgroup ? - see below
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Re: Maryland State Police - Syscom procedures
http://www.ntsb.gov/Dockets/Aviation...203/409497.pdf - crash
survival aspects
per page 19 - FlightNet TG might be NEXTEL - which had bad coverage in
western Maryland - and the FM radio system was seriously deficient