USCG Proposes LED Lighthouse Lens Replacements

By Eric Haun
Wednesday, May 28, 2014
Duluth Harbor North Pier Light (U.S. Library of Congress photo)

Coast Guard proposes removal of lenses from two Duluth lighthouses, replacement with more energy efficient LEDs

The U.S. Coast Guard (USCG) announced a proposal to remove the Fresnel Classical Lenses from two lighthouses in Duluth, Minnesota, this fall in partnership with the Minnesota State Historic Preservation Office.

The two lighthouses affected are the Duluth Harbor South Breakwater Outer Light and Duluth Harbor North Pier Light. The Fresnel Classical lenses would be replaced with modern light emitting diode (LED)lanterns which are more dependable and energy efficient.

Replacing the lenses will reduce the range of the lights slightly. The Duluth Harbor South Breakwater Outer Light would be reduced from about 16 nautical miles to 13 nautical miles, and the Duluth Harbor North Pier Light would be reduced from 14 nautical miles to 10.5 nautical miles.

The lenses would be removed in order to preserve them. Due to the harsh environmental conditions, including temperature fluctuations and ultraviolet rays, the lenses slowly deteriorate. Once removed, the lenses would be loaned to a local museum so they can be displayed to the public and maintained in a controlled environment.

The USCG has given the public a 30-day window to submit comments on the Fresnel Classical lens removal to wayne.e.kean@uscg.mil.

uscgnews.com
 

Maritime Reporter June 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Navigation

Raytheon Anschütz Debuts ShipGuard at SMM

In view of an increasing demand for security of merchant ships and maritime trade, Raytheon Anschütz, a German-based manufacturer of Integrated Bridge Systems,

House Subcommittee Hearing Highlights “Dismal State” of U.S. Icebreaking Capability

At the July 23, 2014, hearing of the House Subcommittee on Coast Guard and Maritime Transportation on “Implementing U.S. Policy in the Arctic” the committee chairman, Rep.

More VDR Orders for Danelec in China

Danelec Marine has received orders to supply Voyage Data Recorders (VDRs) and Electronic Chart Display and Information Systems (ECDIS) for 18 offshore support vessels in China.

News

HMS Prince of Wales Delivery Begins

A huge section of hull for HMS Prince of Wales, the second aircraft carrier being delivered to the Royal Navy, has today departed BAE Systems in Glasgow on a 600-mile

Gondan to Build Spanish Patrol Boats

Gondan Shipyard has recently signed a contract with the Guardia Civil, Spain’s Civil Guard, for the building of two patrol boats. The aluminum and fiber (PRFV ) vessels will measure 20.

Marseilles Fos Reports Mixed First Half

First-half container traffic at leading French port Marseilles Fos totalled 583,287 teu – up 7% on the first six months last year - marked by a 10% increase at the deepsea Fos terminals.

Coast Guard

South Korean Teens: Left to Escape Sinking Ferry

Students testify no help came from crew; Coastguard rescuers were passive, only pulling passengers out. Crew in a state of panic, witness says. Six teenagers

Coast Guard Responds to Grounded Freighter in Lake St. Clair

The Coast Guard has responded Sunday to a 656-foot freighter that was hard aground in the downbound shipping channel of Lake St. Clair. Initial reports indicate

2 Rescued Near Humber Bridge by Maritime & Coastguard Agency

Humber Coastguard received a call just after 10am this morning reporting two people in the water after their powered canoe had capsized just west of the Humber Bridge.

Maritime Safety

Tripoli Airport Ablaze, Rockets Leave Libya in Chaos

Diplomats flee Libyan chaos; Politicians appeal for international intervention. Clashes in Tripoli, Benghazi kill around 160 over two weeks, while Libyan capital face fuel, power shortages.

South Korean Teens: Left to Escape Sinking Ferry

Students testify no help came from crew; Coastguard rescuers were passive, only pulling passengers out. Crew in a state of panic, witness says. Six teenagers

2 Rescued Near Humber Bridge by Maritime & Coastguard Agency

Humber Coastguard received a call just after 10am this morning reporting two people in the water after their powered canoe had capsized just west of the Humber Bridge.

 
 
Maritime Careers / Shipboard Positions Maritime Security Naval Architecture Offshore Oil Pipelines Pod Propulsion Port Authority Ship Electronics Ship Repair Sonar
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1376 sec (7 req/sec)