The daytime Defiant is in the Battle of Britain 'alpha' mod, which has its on planeset, including the Defiant - I think:
http://www.sim-outhouse.com/sohforums/showthread.php/111948-CFS3-BoB-Alpha-01-UploadedThis smaller but more focussed mod's a lot less hassle to install than the huge ETO Expansion, and is soon to get an update with a lot of historical missions:
http://www.sim-outhouse.com/sohforu...he-Hardest-Day-Parft-III-mission-testingThe night-time pic is of the radar-equipped Mk.II which is a separate package and is seen in the ETO Expansion, both also available via sim-outhouse. Modders have made functional Airborne Interception radar sets for several CFS3 aircraft:
http://www.sim-outhouse.com/sohforu...Paul-Defiant-MkII-radar-equiped-uploadedBoth these Deffies are in the ETO mod: