Hi
If you're delivering for a broadcaster like the BBC, the requirement is for a 16:9 FHA (full height anamorphic) master with titles/captions in 14:9 CAPTION SAFE.
This does not mean producing a 14:9 master (I've never heard of that requirement btw), but keeping safe areas on the edge of the 16:9 frame. Sport is different, requiring 4:3 safe.
Have a look at this:
http://www.bbc.co.uk/guidelines/dq/pdf/tv/tv_standards_london.pdf
Hope that helps - obviously depends who you are delivering for. I'm unaware of any 14:9 presets in FCP, nor have I ever seen a programme finished in this aspect.
Ben
Edit Out Ltd
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FCP Editor/Trainer/System Consultant
EVS/VT Supervisor for live broadcast
RED camera transfer/post
Independent Director/Producer