Nab Tower

The Nab Tower was originally planned as an anti-submarine protection measure during World War I.

History

• The tower has since become a well-known landmark for sailors, lying off Spithead and marking the deep-water eastern entry into the Solent.
• After the war, it was sunk over the Nab rocks east of the Isle of Wight to replace a lightship.

Architecture

The Nab Tower is constructed from concrete and stands at a height of 27 metres (89 feet).

The tower's architecture is typical of early 20th-century lighthouse design, with a square-shaped daymark and a distinctive shape.

Light Characteristics

• The Nab Tower is equipped with a light that emits a white beam with a range of 16 nautical miles (30 km).
• The light has a period of 10 seconds and is characterized by a Fl (flash) pattern.
• The tower also features a fog signal, reportedly using a horn sound, and a radar transponder.

Current Status

The Nab Tower is currently an active aid to navigation, although its status as an automated lighthouse is not confirmed.

It remains a popular landmark for sailors and is well-maintained by the relevant authorities.

Location and Accessibility

The Nab Tower is located off Spithead, marking the eastern entry into the Solent.

The tower is accessible by sea or air, although its remote location makes it difficult to reach on foot.

Heritage Status

The Nab Tower has been designated as a notable landmark and is reportedly listed in the National Heritage List for England.

However, further information regarding its specific heritage designation is not available.

Notable Historical Events

• The Nab Tower played an important role during World War I, serving as part of the anti-submarine protection measures in the English Channel.
• Its use as a lightship replacement after the war marked a significant shift in maritime safety practices.

Notable Terms:

• Anti-submarine protection measure: A system designed to detect and prevent enemy submarines from entering a specific area.
• Lighthouse design: The architectural style of lighthouses, typically characterized by a square-shaped daymark and a distinctive shape.
• Fog signal: A device used to alert people of an approaching fog bank, often using a horn sound or other loud noise.
• Radar transponder: A device that uses radar technology to detect and respond to incoming aircraft or ships.