VFRnav flight navigation

Invalid date

v4.2.0
Fix: aircraft delete option not available
Fix: DFS AIP Link fixed

v4.1.2
New: Notam translations
New: Notam share options
New: vertical airspace view improved
Fix: move maps to sd-card
Fix: user waypoint not updated in route after change
Fix: translations
Fix: flight form does not accept date before year 2000
Fix: some ui bugs
Updated api level
Fix: wrong color for TRA airspace