Tholian Holdfast Opal-Class Warship
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- INFORMATION CLASSIFICATION: TOP SECRET
- RELIABILITY CLASSIFICATION: D (limited, brief contacts by Star Fleet/neutral/hostile assets)
BASIC STATISTICS
- Class Name: Opal-Class
- Classification: Warship
- Typical Roles: Sensor/Minesweeper.
- SFE Designation: FR (Radar Picket Ship)
- Introduced: UNKNOWN but believed not prior to 2405
- Model Number: UNCLEAR
- Number in service: UNKNOWN
- Known Registries: UNKNOWN
PHYSICAL SPECIFICATIONS
Length: 140 m
Span: 65 m
Draft: 65 m
Displacement: 240,000 mt
COMPLEMENT
- Total Standard: UNKNOWN
- Officers: UNKNOWN
- Crew: UNKNOWN
- Troops: UNKNOWN
PROPULSION SYSTEMS
Warp Propulsion System
- Drive Type: Type UNKNOWN
- Number: Type UNKNOWN
- Main Reactor: Type UNKNOWN
Impulse System
- Drive Type: Gravitic Polorizing Engine – Type UNKNOWN
- Number: 1(?)
- Secondary Reactor : Type UNKNOWN
Velocity
- Standard Cruise Speed: 6.0
- Maximum Cruise Speed: 9.0
- Sustainable for 12 hours: ???
- Maximum Emergency Speed: ???
- Core Failure Imminent: ???
ARMAMENT AND DEFENSE
Phaser, Type VI(?)
- Number: 2 banks
- Range: 280,000 km
- Arcs: Portside – 1, Starboardside – 1
Deflector System
- UNKNOWN
OTHER SYSTEMS
Transporters
- Number and Types Unknown
Cargo Bays
- 1 - ventral access port.
Embarked Craft.
- Unknown
TACFLEET Notes
The Tholian Opal-Class Frigate is one of the newer designs to come out of Tholian space. Occasionally seen patrolling the border of Tholian space or rarely outside, the Opal-Class was originally mistaken for a Destroyer due to its relatively high cruise speed (for Tholian craft, that is).
However, analysis of Subspace Telemetry, completed in 2411, indicated that the Opal-Class is actually a long-range surveillance vessel. Precisely how powerful its sensors (particularly its long-range sensors) are is unknown but given the generally superior nature of Tholian sensors, it is expected that they will exceed the performance of any other Alpha Quadrant mobile sensor.
Marginally faster than most other Tholian designs, possibly due to its relatively low mass, there have been a number of attempts by various parties to 'ambush' the ship in order to gain access to its sensors but to date, all such attempts have failed. The Opal-Class simply saw them coming and either withdrew or else the approaching vessels found that there was a Sapphire-Class Heavy Cruiser (with its usual accompanying two Emerald-Class Light Cruisers) either present or nearby.
Its hull appears to be two acute triangles meeting at right angles. Unlike most Federation designs, there is no sensor pod to mar its smooth lines. Exactly how the Tholians are able to do this is yet another mystery.
