Class and Type: Defiant-class
Escort
Commissioning Date: 2370
Lead Engineer: Don Mappin
Hull Characteristics
Size: 4 (170 meters long, 4 decks)
Resistance: 3
Structural Points: 120 (ablative armor, see Notes)
Operational Characteristics
Crew/Passengers: 40/150
[4 pwr/round]
Computers: 2
[2 pwr/round]
Transporters: 2 personnel, 1 cargo
[2 pwr/round]
Tractor Beams: 1 av
[2 pwr/rating used]
Propulsion and Power Characteristics
Warp System: 6.0/8.7/9.982 (12 hours)
[2/warp factor]
Impulse System: .75 c/.9 c
[7/9 pwr/round]
Power: 150
Sensor Systems
Long-range Sensors: +1/17 light-years
[6 pwr/round]
Lateral Sensors: +1/1 light-year
[4 pwr/round]
Navigational Sensors: +1
[5 pwr/round]
Cloak: 10
[40 pwr/round]
Sensor Skill: 5
Weapons Systems
Type I Pulse Phaser Cannons:
Range: 5/20,000/75,000/200,000
Arc: Fwd (60 degrees)
Accuracy: 4/5/8/12
Damage: 35/25 (see Notes)
Power: [35]
Type II Quantum Torpedoes:
Number: 16
Launchers: 1 fv
Spread: 4
Arc: Forward but are self-guided
Range: 15/300,000/1,000,000/3,500,000
Accuracy: 4/5/7/10
Damage: 26
Power: [5]
Type XXV Photon Torpedoes:
Number: 19
Launchers: 2 av
Spread: 4
Arc: Aft, but are self-guided
Range: 15/300,000/1,000,000/4,050,000
Accuracy: 4/5/7/10
Damage: 20
Power: [5]
Weapons Skill: 5
Defensive Systems
Starfleet Deflector Shield
Protection: 45/60
Power: [45]
Description and Notes
Fleet data: The Defiant-class developed as a combat vessel to counter
the foreseen future Borg incursions. This "fast track" design introduced radical
new thinking into the design of a starship and some limitations not common with Starfleet
vessels. The Defiant-class makes no qualms about its militaristic nature, even
going so far as to employ a cloaking device with the approval of the Romulans.
The Defiants are ill-equipped to server on long-term patrols and are frequently assigned to a Starfleet facility where they perform patrol duties within the sector.
(For more detailed information the Star Trek: Deep Space Nine Technical Manual is highly recommended.)
Noteworthy vessels / service records / encounters: U.S.S. Defiant, prototype, stationed at Deep Space 9; U.S.S. Valiant, destroyed on training exercise.
Ship Notes
1 - Ablative armor provides an additional 50% structural points of protection over other
vessels. However, this armor, once damaged, can only be repaired/replaced at a Starfleet
facility or shipyard. For every nine points of damage the structure sustains (10%) reduce
the effectiveness of the cloak by one until the armor is repaired. This reflects EM
leakage.
2 - The pulse phaser cannons have a very restricted range and firing arc but do excellent
damage, especially against shields. When calculating damage against shields use the full
amount that the cannons have been charged to. Against armor lower the damage by 10 to
represent its concussion versus piercing damage. The pulse phaser cannons can multifire
but only against a single target.
3 - The Defiant-class relies on its toughness, maneuverability, and excellent
weapons systems to stay in the fight. Make sure to use rules for varying ship sizes to
reflect its difficulty to hit and maneuverability. If you are not using these rules impose
a +2 penalty to hit the Defiant.
4 - All quantum torpedoes are stored in the forward torpedo magazines and photon torpedoes
in the aft magazines. These can be changed at a Starfleet facility at the Captain's
discretion. Keep track of the disposition of torpedoes and their placement as they can not
easily be changed outside of spacedock.
5 - An additional 22 photon torpedo warheads are stored in the warhead section. These can
be used to retrofit quantum torpedoes or sensor probes. Require a successful Shipboard
Systems (Weapons Systems) to do so within 30 minutes (per torpedo).
Author's Notes
I've tried my best to represent the ship "realistically" without making the
Size 4 vessel too much of a monster. Her defensive systems should allow her to stay in a
battle long enough to do some damage. At a future date I'll draw up some rules on actually
"firing" the warhead section (difficulty and damage).
After some extensive playtesting, I've upped the power and a comment in DS9 where the Defiant is described as "overpowered."
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