Sorry, Basil - missed your query. Extract from EUOPS 1.295
c) An operator must select at least one destination alternate for each IFR flight unless:
1. both:
(i) the duration of the planned flight from take-off to landing or, in the event of in-flight re-planning in accordance with OPS 1.255(d), the remaining flying time to destination does not exceed six hours, and
(ii) two separate runways (see OPS 1.192) are available and usable at the destination aerodrome and the appropriate weather reports or forecasts for the destination aerodrome, or any combination thereof, indicate that for the period from one hour before until one hour after the expected time of arrival at the destination aerodrome, the ceiling will be at least 2 000 ft or circling height + 500 ft, whichever is greater, and the visibility will be at least 5 km;
No requirement I am aware of in EUOPS for 45 minutes
[It then goes on to 'Island Reserve']
Personally, being a cautious and distrusting sole, I would always have had somewhere else I knew I could go despite the 'words'
