The ASC or Admiralty Sailing Craft (sometimes called Admiralty Sea Cadet) is a purpose built, rugged GRP

Glass-reinforced plastic

Fiberglass , is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass. It is also known as GFK ....

 or wood sailing dinghy, historically with gunter rig

Gunter

In sailing, a gunter is used for two main configurations of rig:#The gunter is defined as a wire that leads from one point near the end of a gaff to a point near the other end. A block travels along this wire, and a halyard is attached to this block...

, with a bermuda rig

Bermuda rig

The term Bermuda rig refers to a configuration of mast and rigging for a type of sailboat and is also known as a Marconi rig; this is the typical configuration for most modern sailboats...

 optional, designed for use by UK naval

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 and sea cadet

Sea Cadet Corps (United Kingdom)

The Sea Cadet Corps is a UK national youth organisation sponsored by the Royal Navy and open to young people between the ages of 10-18 years old. The SCC is the UK's largest Naval Cadet Force with over 30,000 cadets and adult volunteers...

 establishments as a pulling

Watercraft rowing

Watercraft rowing is the act of propelling a boat using the motion of oars in the water. The difference between paddling and rowing is that with rowing the oars have a mechanical connection with the boat whereas with paddling the paddles are hand-held with no mechanical connection.This article...

 or sailing dinghy.

It is a substantial craft, usually left on a mooring in quiet waters rather than being slipway

Slipway

A slipway, boat slip or just a slip, is a ramp on the shore by which ships or boats can be moved to and from the water. They are used for building and repairing ships and boats. They are also used for launching and retrieving small boats on trailers and flying boats on their undercarriage. The...

 launched. It is intended for a total crew of anything up to half a dozen.

It has a heavy metal centreplate

Centerplate

Centerplate, Inc. is a food vending corporation in Spartanburg, SC that operates in North America, primarily at sports arenas.Centerplate was formerly known as Volume Services America, Inc., and was originally a division of The Flagstar Companies. In 1995, Flagstar, which was controlled by private...

, and is equipped for pulling in addition to sailing. There is also a sculling

Sculling

Sculling generally refers to a method of using oars to propel watercraft in which the oar or oars touch the water on both the port and starboard sides of the craft, or over the stern...

 notch on the transom

Transom (nautical)

In naval architecture, a transom is the surface that forms the stern of a vessel. Transoms may be flat or curved and they may be vertical, raked forward, also known as a retroussé or reverse transom, angling forward from the waterline to the deck, or raked aft, often simply called "raked", angling...

.

This type of pulling boat is gradually being phased out of the Sea Cadets due to the production of the new Trinity 500 pulling boats.