Garmin GDL 88 User Manual download pdf (Page 33)

5-5

190-01122-03 Rev. A

GDL 88 ADS-B Transceiver Pilot’s Guide

5.2 FIS-B TFRs

Temporary Flight Restrictions (TFRs) provide detailed information for local

short term restrictions. The update rate is approximately every 20 minutes.

NOTE: Some TFRs may not be shown or information may be incomplete. The

presented TFR information is only advisory in nature. Check ofﬁcial sources,

such as from preﬂight planning or Flight Service Station to determine more

complete TFR information.

5.3 FIS-B METARs

Whenenabled,graphicMETARs(METeorologicalAviationReports)areshown

as colored ﬂags at airportsthatprovideMETARreports.PresstheMETARs key to

enableordisableMETARs.RefertotheLegendforadescriptionofthecolorcode.

The update rate is every ﬁve minutes.

METAR Symbol Description

VFR (ceiling greater than 3000 ft. AGL and

visibility greater than ﬁve miles)

Marginal VFR (ceiling 1000–3000 ft. AGL

and/or visibility three to ﬁve miles)

IFR (ceiling 500 to below 1000 ft. AGL and/or

visibility one mile to less than three miles)

Low IFR (ceiling below 500 ft. AGL or visibility

less than one mile)

Unknown

Table 5-2 METAR Symbols

5.4 FIS-B PIREPs

Pilot Weather Reports (PIREPs) provide timely weather information. When

signiﬁcant weather conditions are reported or forecast, Air Trafﬁc Control (ATC)

facilitiesarerequiredtosolicitPIREPs.APIREPmaycontainnon-forecastadverse

weather conditions, such as low in-ﬂight visibility, icing conditions, wind shear,

andturbulence.PIREPsareissuedaseitherRoutine(UA)orUrgent(UUA).The

update rate is approximately every 20 minutes.

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Garmin GDL 88 User Manual Page 33