Early RN Sea Kings – interior

And whilst a simulator, it shows the layout:

https://www.flightglobal.com/pdfarchive/view/1973/1973%20-%202691.html

My goto for those sort of questions is the Flight archive:

https://www.flightglobal.com/pdfarchive/view/1971/1971%20-%201500.html

https://www.flightglobal.com/pdfarchive/view/1967/1967%20-%202319.html

How much will it differ from the US variant?

http://www.ninfinger.org/models/vault2013/USS%20Hornet%20UH-3H%20Seaking%20%28Interiors%20RH%2C%20Sonar%20Station%20%26%20Aft%29/index.html

https://www.flickr.com/photos/sarge_schultz/18364614892/

http://www.flickriver.com/search/seaking+sonar+/

http://jproc.ca/rrp/rrp3/seaking_equipment_details.html

Thanks Tony but they are all later versions – specifically looking for sonar station / winch info

not here either but again useful link

http://www.britmodeller.com/forums/index.php?/forum/341-rotary-wing-aircraft-walkarounds/&page=4

not on here but a useful link

http://www.primeportal.net/the_airstrip.htm