05/21/2008 15:25 . 5153241350
EDWARDS & ASSOCIATES, INC.
P.O. BOX 3689
BRISTOLv TN. 37625
NASHVILLE FSDD
BHT412EP
SIN 3610$
N412SV
GARMIN GNS AOW VHF COMM TRANSCEIVER IVOR/ ILS
RECEIVER
I GP& RECEIVER
NORMAL PROD/WU.RES CONTINlJED
Approaches with VertJcal Guidance
This installation does not support approacne!I with vertical guidance.
Autopilot Operation
The Gaimin 50CN{ S&lie$ may be coupled to an optioflal autopilot if installed in the aircmft when
opemting as
PfflS(:l'l'bed in the LIMITATIONS section of this rnaouar. For lateral guidance. some
instanattons may utilize GPSS or GPS Roll Steering in lieu of the analog deviation information. ff
an HSI is Ull8d with GPSS engagad, the pilot should rotate the course pointer as prompted on the
5orJN Series unit to prevent any spatial dlsorient8li0n and to pre11ent the aircraft from tumlng
inappropriately
if the aUI.Opl'lot is switched from digit.al (GPSS) to analog mode. For autopilot
operational instructions, mter to the FAA approved Flight Manual or Flight Manual Supplem6nt for
the autopilot.
Coupling fll• Autopilot during approaches
The Gannin 500W Series supports analog and digital (GPSS) control lnt9rf.!lc:m to an optiOnally
installed
11utopllot. Some autopilots tevert to ROLL mode (wings level) and/or flag a NAV fallum if
the
digital data beOOme9 unavailabla or is inhibited. The COi selection of VLOC should inhibit
the
digital control interface. When switching between GPS and VLOC the pilot should be aware
that
the autopilot may need to be re.engaged into APR or NAV mode after dianging the COi
$0Ufa!.
• The autopilot does not support :l)ny vertical capture or tracking In this installation.
Analog only autnpilot$ should ui;e APR modi! for c:ioupling to LNAV apf)roaehes. Autq,llots whk:tl
support digital rvll R!larfng commands (GPSS) may utill2:e NA V mode and takt1 advantage of the
digital tnleking during LNAV only approaches.
MAY 2 0 2008
FAA Approval Date:---~---
(Orlglnal~
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