Weight in air = 20 tons
Length = 37 ft.
Max. Safe sea state = 3.5
Draft in salt water = 8.5 ft. minimum
Surface speed = Est. 10 knts. with external fairing
Surface Speed without fairing = 3 knts.
Submerged speed = with Ext. Fairing
Maximum diving depth = 305 m.
Crew = Pilot and copilot
Passengers = 4 or 5 depending on rules
Underwater Telephone = Multi frequency 4 mile range
Under water life support = 72 hrs.