In-Flight
Indication Problem
MSG light is on.
Displayed message is:
LORAN1 [or 2]
STATIONS HAVE
LOW SNR
If flying through clouds, rain, snow,
etc., the likely problem is
precipitation static (P-STAT).
Action
After landing inspect (or install)
static wicks per aircraft
manufacturers specifications. Also,
check the static bonding straps on all
control surfaces. If the problem
continues, skin mapping may be
necessary.
Indication Problem
(Same as above). The aircraft is flying out of the
coverage area for the selected chain.
Action
Use Auto GRI, or manually select a
new GRI.
Indication Problem
(Same as above). If the MSG light comes on and stays
onaftertakeoff,orrun-up,noisefrom
theaircraft alternatorormagnetomay
be responsible.
Action
Contact the dealer or factory.
314
Troubleshooting Apollo NMS
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