Here is a Corvallan Freighter for use. We used it as a smuggling vessel.
Corvallan Freighter
Class and Type: Corvallan Cargo Carrier
Commissioning Date: mid 24th Century)
Hull Systems
Size: 5
Length: 180 meters
Beams: 117 meters
Height: 40 meters
Decks: 6
Mass: metric tons
SU’s Available: 800
SU’s Used: 633
Hull Outer <20>
Hull Inner <20>
Resistance Outer Hull: 4 <3>
Resistance Inner Hull: 4 <3>
Structural Integrity field [1 power/10 Protection/round]
Main: Class 1 (Protection 40/60) <17>
Primary Backup: Class 1 (Protection 20) <9>
secondary Backup: Class 1 (Protection 20) <9>
PERSONNEL SYSTEMS
Crew/Passengers/Evac: 12/6/30
Crew Quarters
Basic: 18 <2>
Environmental Systems
Basic Life Support [4 Power/round] <20>
Reserve Life Support [2 Power/round] <10>
Gravity [3 Power/round] <5>
Consumable: 1 years worth <1>
Food Processor System [5 Power/round] <5>
Industrial Replicators: Type: small network of replicators [2 power/round] <5>
Medical Facilities: rating 2 (+0) [2 power/round] <10>
Recreation Facilities: 1 [2 Power/round] <8>
(a spartain mess hall and an excercise room)
Personal Transport: Jefferies tubes [0 Power/round] <5>
Fire Suppression System [1 Power/round when active] <5>
Cargo hold: 8,000 cubic meters <1>
Locations: Lower Cargo Bays (hull)
Amidship lower
Escape Pods <1>
Number: 10
Capacity: 4 persons per pod
Propulsion Systems
Warp Drive Nacelles: Type 4.8 <28>
Speed: 4.0/6.0/8.0 [1 Power/.2 warp speed]
PIS: Type C (6 hours of Maximum warp) <6>
Special configuration: Embedded nacelles <20>
Impulse Engine Type: 2 Type 3A (.5c/.75 c) [5/7 Power/round] <18 x 2 = 36>
Location: Aft
Reaction Control System (.025c) [2 Power/ round when in use] <5>
POWER SYSTEMS
Warp Engine Type: Class 3/E (generates 180 Power/round) <43>
Locations: Engineering hull, decks
Impulse Engine[s]: two Type 3A (generate 28 power/engine/round)
Auxiliary Power: Two reactors (generate 10 Power/reactor/round) <6>
Emergency Power: Type A (generates 25 Power/round) <25>
EPS: Standard Power flow, +100 Power transfer/round <25>
Standard Usable Power: 236
Operations systems
Bridge: Saucer dorsal <25>
Computers
Core 1: Amidship [5 Power/round] <10>
ODN <15>
Navigational Deflector [5 Power/round] <20>
Range: 10/20,000/50,000/150,000
Accuracy: 5/6/8/11
Location: Forward engineering hull
Sensor Systems
Long-range Sensors [5 Power/round] <8>
Range package: Type 1 (Accuracy 3/4/7/10)
High Resolution: 4 light-years (.5/.6 - 1.0/1.1 - 3.0/3.1 - 4.0)
Low Resolution: 10 light-years (1.0/1.1 - 3.0/3.1 - 7.0/7.1 - 10.0)
Strength Package: Class 2 (strength 2)
Gain Package: Standard (+0)
Coverage: standard detection
Lateral Sensors [5 Power/round] <4>
Strength Package: Class 2 (strength 2)
Gain Package: Standard (+0)
Coverage: Standard
Navigational Sensors: [5 power/round] <4>
Strength Package: Class 2 (strength 2)
Gain Package: Standard (+0)
Probes: 10 <1>
Sensor Skill: 2
Flight Control Systems
Autopilot: Shipboard systems (flight control)1, Coordination 1 [1 Power/round in use] <4>
Navigational Computer
Main: Class 1 (+) [0 Power/round] <0>
Backups: <0>
Inertial Dampening field
Main <20>
Strength: 8 [3 Power/round]
Number: 2
Backup <10>
Strength: 6 [2 Power/round]
Number: 2
Attitude Control: [2 Power/round] <2>
Communications Systems
Type: Class 2 [2 power/round] <4>
Strength: 2
Security: -1
Emergency Communications: [2 Power/round] <1>
Tractor Beams
Emitter: Class Beta [3 Power/Strength used/round] <6>
Accuracy: 5/6/8/11
Lactation: aft
Security Systems Rating: 1 <4>
Anti-Intruder System: Yes [1 Power/round] <5>
Internal Force Field [1 power/ Strength] <5>
Science Systems Rating: (+0) [1 Power/round] <10>
Laboratories: 1 <2>
Tactical Systems
Forward Type IV Disruptor <16>
Type IV Phaser Banks
Damage: 100 [10 power]
Number of Emitters: (up to 2 shots per round)
Targeting System: Class Alpha (Accuracy 5/6/8/11)
Range: 10/30,000/100,000/300,000
Location: forward hull
Firing arc: 90 degrees ventral
Firing Modes: Standard
Aft Type IV Disruptor <16>
Type IV Phaser Banks
Damage: 100 [10 power]
Number of Emitters: (up to 2 shots per round)
Targeting System: Class Alpha (Accuracy 5/6/8/11)
Range: 10/30,000/100,000/300,000
Location: forward hull
Firing arc: 90 degrees ventral
Firing Modes: Standard
TA/T/TS: Class Alpha [0 power/round] <6>
Strength: 7
Bonus: +0
Weapon Skill: 2
Shields (Forward, Aft, Port, Starboard) <19 (x4)= 76> embedded nacelles + 10 threshold +100 to shields
Shield Generator: Class 1 (protection 200 + 100) [20 power/shield/round]
Shield grid: Type A (25% increase to Protection 300)
Subspace field Distortion Amplifiers: Class Beta (Threshold 66 +10)
Recharging System: Class 1 (45 seconds)
Auto-Destruct System <5>
Auxiliary Spacecraft systems
Shuttlebay(s): Capacity for Size 4 worth of ships <8>
Standard Complement: one shuttlepod
Location(s): Main Shuttlebay
NOTES: