Garmin GDL 88 manual FIS-B Winds and Temperatures Aloft, SIGMETs and AIRMETs

5.5FIS-B Winds and Temperatures Aloft

Winds and Temperatures Aloft data shows the forecast wind speed, direction, and Temperature at selected altitudes. Altitudes can be selected in increments from the 1,000 feet up to 53,000 feet. The update rate is every 12 hours.

5.6SIGMETs and AIRMETs

SIGMETs (SIGnificant METerological Information) and AIRMETs (AIRmen’s METerological Information) are broadcast for potentially hazardous weather considered of importance to aircraft. The update rate is approximately every 20 minutes.

5-6 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A