Mr Tripsy's Boat Trip

River or canal, 'Captain Tripsy' needs all his wits about him to cope with the trials and tribulations on his first boating trip.
For example:
What is the 'key' to using a canal lock?
How do you cope with a fellow skipper who delights in 'winding' you up?
Can a boat go through the air?
Is a river 'Bore,' a good thing?
Who is the mystery girl in Dywoman Tunnel?