SeatGuru www.seatguru.com/
The ultimate source for airplane seating, in-flight amenities, flights shopping and airline information.
Great Circle Mapper www.gcmap.com
A free tool for visualizing the shortest path between airports, computing the distance and generating maps using nearly any airport in the world. Also makes nice ETOPS rings.
Quizlet https://quizlet.com/iflyaloha
Flashcards for studying flows and systems