New version is at testing phase. It improves the Notes section for Landscape. From this version you will be able to choose in settings what is your favourite orientation and the Notes section will adaptate to it.
Flight calculator 1.2.1 hit the appStore last week. And the 1.2.2 is in testing phase right now. The most significant change will be the autoration function for iPad version. (So the it will be possible to use the application in landscape mode)
If you have problem with localization services in Coordinates/Map section. Please go to Settings, Privacy and turn on localization services for Flight Calc manually. The issue will be solved with 1.2.2 update