Garmin GDU™ 37X Pilot’s Guide190-01054-00 Rev. E 73GPS Navigation Overview GPS Navigation Flight Planning Hazard Avoidance Additional Features Appendices IndexUser Waypoints can also be deleted by ‘Symbol’ or ‘Distance’ from the UserWaypoints Page Menu.2.6 AIRSPACEThe GDU 37X can display the following types of airspaces: Class B/TMA, Class C/TCA, Class D, Restricted, MOA (Military), Other Airspace, Air Defense Identification Zone(ADIZ), and Temporary Flight Restriction (TFR), and Parachute Jump Areas.The Nearest Airspace Page and Airspace Alerts provide information about airspacesand the location of the aircraft in relationship to them. The Nearest Airspace Page canbe used to quickly find airspaces close to the flight path.The Nearest Airspace Page displays the class of airspace, controlling agency, verticalboundaries, and status.Selecting and viewing nearest airspaces:1) Press the NRST Key.2) Turn the FMS Joystick to select the Nearest Airspace Page.3) Press the FMS Joystick to highlight the nearest airspace. Turn or move theFMS Joystick to highlight the desired airspace.4) Press the ENT Key to display the Airspace Information Page.5) Press the FREQS Softkey (if available) to display frequency and additionalairport information similar to the Waypoint Information Page.AIRSPACE ALERT MESSAGESWhen an airspace alert appears, press the NRST Key to automatically show nearbyairspace information on the Nearest Airspace Page. This information includes name,time to entry (if applicable), and status.There are four types of status information:• Ahead—Projected to enter the airspace within the next 10 minutes or less.• Near—Within two nautical miles of an airspace but not projected to enter it.• Near & Ahead—Project to enter the airspace within two nautical miles.
