Onyx Virtual iOS app was designed for the use with Onyx Virtual Virtual Airline. It contains a vast library of useful information for Virtual Pilots including checklists for the use in FSX on Vatsim. Become a virtual pilot with Onyx Virtual at: onyxvirtual.com.
Checklists available today:
Boeing 777
Boeing 757
Boeing 737
Bombardier Q400
-- Coming in future updates --
Boeing 747
Cessna 404
Citation S550