This app is desiged for airplane mechanic. Design and another function will be updated soon. 1. MEL(Minimum Equipment List) Calculator This app will be prevent mistake when calculating category date. All categories will be showed at a time. so you can prevent mistakes at wrote MEL date. 2. Flight time Calculator When airplane flight is over or Flight Log needs to carry-over, this app will prevent mistake and it helps to calculate the correct flight operating time. When the other function is needed, please send an email([email protected]) to me.