shadows/framework/src/main/java/org/robolectric/shadows/ShadowSettings.java
public static void setAirplaneMode(boolean isAirplaneMode) {
    Settings.Global.putInt(
        RuntimeEnvironment.application.getContentResolver(),
        Settings.Global.AIRPLANE_MODE_ON,
        isAirplaneMode ? 1 : 0);
    Settings.System.putInt(
        RuntimeEnvironment.application.getContentResolver(),
        Settings.System.AIRPLANE_MODE_ON,
        isAirplaneMode ? 1 : 0);
  }
public static void setAirplaneMode(boolean isAirplaneMode) {
    Settings.Global.putInt(
        RuntimeEnvironment.application.getContentResolver(),
        Settings.Global.AIRPLANE_MODE_ON,
        isAirplaneMode ? 1 : 0);
    Settings.System.putInt(
        RuntimeEnvironment.application.getContentResolver(),
        Settings.System.AIRPLANE_MODE_ON,
        isAirplaneMode ? 1 : 0);
  }
Sets the value of the {@link Settings.System#AIRPLANE_MODE_ON} setting.

@param isAirplaneMode new status for airplane mode