There are two major "Crankup" events at the beginning and end of the season plus a number of steaming days every month.
There is always something running when open but for special events the steam halls will be running, dates below.
Engines are running whenever the museum is open:-
FRIDAYS, SATURDAYS, SUNDAYS 10:30am to 5:00pm, April through to 29th October
No steam on normal days unless booked, see below for steaming days
Saturday 22nd April - International Marconi Day (Radio Event)
End of Season Crankup - Saturday 7th October - Sunday 8th October
Sunday 9th April & Monday 10th April (Easter Crankup)
Sunday 30th April & Monday 1st May
Sunday 28th May & Monday 29th May
Saturday 1st July & Sunday 2nd July
Sunday 27th August & Monday 28th August (Summer Bank holiday)
Saturday 7th October & Sunday 8th October (End of Season Crankup)
Sunday 29th October (Last Night at the Museum)
6:00pm until 9:30pm, the only night steaming of the year