Garmin G1000 Manual

190-00709-04  Rev. AGarmin G1000 Pilot’s Guide for the Socata TBM 850357
HAZARD AVOIDANCE
At	the	completion	of	a	successful	weather	data	request,	the	request	status	window	(if	still	open)	will	indicate	
‘OK’.
Cancelling a GFDS Weather Data Request in Progress:
1) Select the Weather Data Link (GFDS) Page.
2) Press the MENU Key.
3) With ‘GFDS Data Request’ highlighted, press the ENT Key.
4) Turn the large FMS Knob to select ‘CANCEL REQ’ and press the ENT Key.  The request status box indicates 
‘Request...

Garmin G1000 Pilot’s Guide for the Socata TBM 850190-00709-04  Rev. A358
HAZARD AVOIDANCE
WORLDWIDE WEATHER PRODUCTS
PRECIPITATION
 NOTE:  Precipitation data cannot be displayed at the same time as terrain or St\
ormscope.
Precipitation	 (PRECIP)	data	is	not	 real-time.	 	 The	lapsed	 time	between	 collection,	 processing,	 and	
dissemination	 of	radar	 images	 can	be	significant	 and	may	 not	reflect	 the	current	 radar	synopsis.		 Due	to	the	
inherent	delays	and	the	relative	age	of	the	data,	it	should...

190-00709-04  Rev. AGarmin G1000 Pilot’s Guide for the Socata TBM 850359
HAZARD AVOIDANCE
No Radar Coverage
Figure 6-68  Precipitation Data Legend
Boundary of weather 
data request
The	 display	 of	radar	 coverage	 is	enabled	 active	when	Precipitation	 is	selected	 for	display.	 	 Areas	where	
precipitation	 radar	coverage	 is	not	 currently	 available	or	is	not	 being	 collected	 are	indicated	 in	gray	 shade	
of	purple.	 	 A	white	 boundary	 line	depicting	 the	selected	 coverage	 area	of	the	 GFDS...

Garmin G1000 Pilot’s Guide for the Socata TBM 850190-00709-04  Rev. A360
HAZARD AVOIDANCE
Figure 6-69  Precipitation Data - Zoomed 
Block represents4 km2
The	following	may	cause	abnormalities	in	displayed	radar	images:
•	 Ground	clutter
•	 Strobes	and	spurious	radar	data
•	 Sun	strobes	(when	the	radar	antenna	points	directly	at	the	sun)
•	 Interference	from	buildings	or	mountains,	which	may	cause	shadows
•	 Metallic	dust	from	military	aircraft,	which	can	cause	alterations	in	radar	scans  

190-00709-04  Rev. AGarmin G1000 Pilot’s Guide for the Socata TBM 850361
HAZARD AVOIDANCE
INFRARED SATELLITE
Infrared	Satellite	(IR	SAT)	 data	(Figure	 6-70)	depicts	 cloud	top	temperatures	 from	satellite	 imagery.		 Brighter	
cloud top colors indicate cooler temperatures occurring at higher altitudes.
Figure 6-70  METAR Flags on the Weather Data Link Page
Displaying Cloud Tops information:
1) Select the Weather Data Link (GFDS) Page.
2) Press the IR SAT Softkey.
To	display	 the	Infrared	 Satellite...

Garmin G1000 Pilot’s Guide for the Socata TBM 850190-00709-04  Rev. A362
HAZARD AVOIDANCE
DATALINK LIGHTNING
Datalink	Lightning	 (DL	LTNG)	 data	(Figure	 6-72)	shows	 the	approximate	 location	of	cloud-to-ground	
lightning	 strikes.		A	strike	 icon	represents	 a	strike	 that	has	occurred	 within	a	two-kilometer	 region.		Neither	
cloud-to-cloud	nor	the	exact	location	of	the	lightning	strike	is	displayed.
If	the	 aircraft	 is	also	 equipped	 with	the	L-3	 WX-500	 Stormscope®,	only	 one	lightning	 product...

190-00709-04  Rev. AGarmin G1000 Pilot’s Guide for the Socata TBM 850363
HAZARD AVOIDANCE
SIGMETS AND AIRMETS
SIGMETs		(SIGnificant	METeorological	 Information)	and AIRMETs	(AIRmen’s	METeorological	 Information)	
are	issued	 for	potentially	 hazardous	weather.	 	A	Convective	 SIGMET	is	issued	 for	hazardous	 convective	
weather	such	as	severe	 or	widespread	 thunderstorms.		 A	localized	 SIGMET	can	be	displayed	 when	significant	
weather conditions are not widespread.
The	entire	 SIGMET	 or	AIRMET	 is...

Garmin G1000 Pilot’s Guide for the Socata TBM 850190-00709-04  Rev. A364
HAZARD AVOIDANCE
Figure 6-76  SIGMET/AIRMET LegendFigure 6-75  Sample SIGMET Text
METARS AND TAFS
 NOTE:  METAR information is only displayed within the installed aviation database \
service area.
METARs	 (METeorological	 Aerodrome	Reports)	typically	contain	information	 about	the	temperature,	
dewpoint,	 wind,	precipitation,	 cloud	cover,	 cloud	base	heights,	 visibility,	 and	barometric	 pressure	at	an	
airport	 or	observation...

190-00709-04  Rev. AGarmin G1000 Pilot’s Guide for the Socata TBM 850365
HAZARD AVOIDANCE
TAFs	(Terminal	 Aerodrome	 Forecasts)	are	weather	 predictions	 for	specific	 airports	 within	a	24-	 hour	 period,	
and	may	 span	 up	to	36	 hours.		 TAFs	typically	 include	forecast	 wind,	visibility,	 weather	phenomena,	 and	sky	
conditions	using	METAR	codes.
METAR	 and	TAF	 text	are	displayed	 on	the	 Weather	 Information	 Page.		TAF	information	 is	displayed	 in	its	
raw	form	when	it	is	available.
Displaying...

Garmin G1000 Pilot’s Guide for the Socata TBM 850190-00709-04  Rev. A366
HAZARD AVOIDANCE
Raw	METAR	 text	is	also	 accessible	 while	panning	 the	map	 cursor	 over	a	METAR	 flag	on	any	 map	 page	 on	
which	a	METAR	is	displayed.		The	METAR	text	is	shown	in	a	box	near	the	METAR	flag.
In	addition,	 METAR	flags	and	their	 associated	 text	are	displayed	 on	the	 Active	 Flight	Plan	Page	 on	the	 MF.D.		
The	system	shows	a	METAR	flag	next	to	waypoints	in	the	flight	plan	with	an	available	METAR.	
Displaying...