The Yorktown, for the most part, is a Standard Defiant Class ship. However, she was the test-bed for a few new systems. Her Computer systems have been upgraded to the new LCARS-2. She boasts improved sensors and weapons targeting systems. She also features the new Hellfire Torpedo, designed at Avalon. The real secret of the weapon is it's ability to 'skip' past and though enemy shields, impacting directly on the hull! In engagements against the Dominion during the war, the Hellfire's proved to be an awesome weapon!!

Technical Specifications:

Expected duration- 20 yrs
Time between resuppy- 1 month
Time between refit- 6 months
Category- Escort
Built- 2374
Number of shuttle bays- 1
Number of shuttles- 2
Number of officer- 10
Number of enlisted- 40

Weapons:
Phasers;
Type-X ( 1 below deflector dish, 1 encircling bridge module )
Type-U ( 4 fixed mounts on warp nacelles )

Torpedoes;
4 launchers ( 2 forward in a secure weapons cache, 2 aft, beside warp nacelles )
These launchers not only fire Photon and Quantum torpedoes, but they also fire the new Hellfire torpedo

Height-35.9 Meters
Width-107.9 Meters
Lenght-157.5 Meters

Engines:
Cruising speed Warp 6
Maximum speed Warp 9.4
Emergency speed Warp 9.85 for 6 hours