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RCP0110_0_Hangar Talk 2/15/10 5:02 PM Page 27
make the pilot more comfortable, but then
that is true with almost all of avionics im-
provements over the years. Like all three
axis autopilots for helicopters you have to
be at a specific airspeed before it is en-
gaged, in this case 60 knots.
As mentioned earlier and as can readily
be seen in the accompanying picture
Mayo’s customization included having the
instrument panel widened allowing for ad-
Mayo One BK-117 C1 Instrument Panel
ditional equipment including two Garmin
Mayo One EC-145 (BK117 B2) Instrument Panel
GPSs (430 & 530) and a additional and
was installed in Mayo’s C1 and together separate GPS display (GMX 200 MFD). FM transceiver that supports FM commu-
Mayo and Honeywell worked out the bugs Operationally, the GMX 200 is typically nications technology including P25 CAI,
making it suitable for helicopter operation. set up with a moving map display that also P25 Trunking and AES with P25 OTAR. It
The new autopilot was designed to be used presents Jeppesen terrain data which in- has four bands; VHF, UHF, HF, and
in a helicopter. It is dramatically better cludes safety of flight obstructions includ- 800Mhz. Three frequencies can be moni-
than the old and it is much smoother, re- ing towers and antennas. A Sky Watch tored allowing for example; dispatch, hos-
acts much faster, is better at holding alti- Traffic Advisory System has also been pital and scene communication to be
tude, user friendly and simple to operate. added which displays aircraft and relative monitored simultaneously. As mentioned
An additional stability augmentation sys- altitude within a radius of 11 miles. earlier, the med crew is integral to the Mayo
tem (SAS) coupled to the autopilot con- For radio communication besides the flight operation. Operating this FM radio is
tributes to the much smoother ride. Bottom standard aviation radios, Mayo has an ad- typically handled by med crew personnel,
line; while the old autopilot was useable, ditional FM radio made by Technisonic, one of which is seated in the copilot’s posi-
the new one’s improvements definitely LTD. The TDFM 7000 is a state of the art Continued on page 28
HELI-EXPO BOOTH #3211
www.ROTORCRAFTPRO.com • February 2010 27
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