earth science

USNS Adventurous

USNS Adventurous is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand USNS Adventurous rather than just read about it. In short: USNS Adventurous (T-AGOS-13) was a Stalwart-class modified tactical auxiliary general ocean surveillance ship of the United States Navy in service from 1988 to 1992. She was in non-commissioned service in the Military Sealift Command from 1988 to 1992, operating during the final years of the Cold War.

Key takeaways

USNS Adventurous belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect USNS Adventurous to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of USNS Adventurous from memory before moving on to harder problems.

Reference excerpt

USNS Adventurous (T-AGOS-13) was a Stalwart-class modified tactical auxiliary general ocean surveillance ship of the United States Navy in service from 1988 to 1992. She was in non-commissioned service in the Military Sealift Command from 1988 to 1992, operating during the final years of the Cold War. She was transferred to the National Oceanic and Atmospheric Administration (NOAA) in 1992 and in 2003 was commissioned into service with NOAA as the fisheries research ship NOAAS Oscar Elton Sette (R 335).

Construction The U.S. Navy awarded the contract to build Adventurous to VT Halter Marine, Inc., on April 5, 1985. She was laid down on at VT Halter Marine's shipyard at Moss Point, Mississippi, on December 19, 1985, and launched on September 23, 1987. VT Halter Marine delivered her to the Navy on August 19, 1988.

U.S. Navy service The U.S. Navy placed the ship in non-commissioned service with the Military Sealift Command upon delivery as USNS Adventurous (T-AGOS-13). Designed to collect underwater acoustical data in support of anti-submarine warfare operations, Adventurous spent the final years of the Cold War towing sonar equipment to hunt for Soviet Navy submarines. She operated with a mixed crew of Navy personnel and civilian merchant mariners. The Cold War ended with the collapse of the Soviet Union in late December 1991. The Navy withdrew Adventurous from service on June 5, 1992, and struck her from the Naval Vessel Register the same day.

National Oceanic and Atmospheric Administration service

Acquisition and conversion On the same day the Navy took her out of service, the ship was transferred to the National Oceanic and Atmospheric Administration (NOAA). NOAA originally intended to assign the ship the hull number R 331 and to convert her for use as a survey ship, but after a stint as a platform for basic training in 1993 she was laid up without having undergone any modifications. She remained inactive until October 2001, when she arrived at Jacksonville, Florida, to undergo conversion at the Atlantic Dry Dock Corporation for use as a fisheries research ship. Her conversion was completed in October 2002, and she proceeded to Honolulu, Hawaii, where she was commissioned on January 23, 2003, as NOAAS Oscar Elton Sette (R 335). She replaced the decommissioned fisheries research ship NOAAS Townsend Cromwell (R 443).

Characteristics and capabilities Oscar Elton Sette has an oceanographic winch with a maximum pull weight of 15,380 pounds (6,980 kg) which can deploy up to 8,000 meters (26,000 feet) of 3/8-inch (9.5-mm) conductor cable. She also has a CTD winch with a maximum pull weight of 14,700 pounds (6,700 kg) which can deploy 2,000 meters (6,600 feet) of 3/8-inch (9.5-mm) conductor cable, and two hydraulic trawl winches, each with a maximum pull weight of 57,300 pounds (26,000 kg) and capable of deploying 5,000 meters (16,000 feet) of 5/8-inch (15.9-mm) steel wire. She has an articulating crane with a maximum lifting capacity of 24,000 pounds (11,000 kg) and a lifting capacity of 6,600 pounds (3,000 kg) at full extension. She has a movable A-frame with a maximum safe working load of 10,000 pounds (4,500 kg) and two movable J-frames each with a maximum safe working load of 3,500 pounds (1,600 kg). Oscar Elton Sette has a 150-square-foot (sq. ft.) (13.9-square-meter) (m2) wet laboratory, a 100-sq.-ft. (9.3-m2) dry laboratory, a 100-sq.-ft. (9.3-m2) electronics and computer laboratory, and a 50-sq.-ft. (4.6-m2) hydrographic laboratory. She also has a 50-sq.-ft. (4.6-m2) scientific freezer and a 50-sq.-ft. (4.6-m2) store room. Oscar Elton Sette carries a 22-foot (6.7-meter) SOLAS-approved rescue boat with a 315-horsepower (235-kilowatt) motor and a capacity of six people, two 17-foot rigid-hulled inflatable boats (RHIBs), each with a 115-horsepower (86-kilowatt) motor and a capacity of seven people, and three 18-foot inflatable boats, each with a 50-horsepower (37-kilowatt) motor and a capacity of 11 people. To enhance the safety of underwater diving operations in remote areas, Oscar Elton Sette has a recompression chamber to allow immediate treatment of divers showing symptoms of decompression sickness ("the bends"). In addition to her crew of 22, Oscar Elton Sette can accommodate up to 20 scientists.

Service history From her home port of Honolulu, Oscar Elton Sette operates throughout the central and western Pacific Ocean in support of the Pacific Islands Fisheries Science Center, also located in Honolulu and a component of NOAA's National Marine Fisheries Service (NMFS). She conducts fisheries assessment surveys, physical and chemical oceanography, marine mammal projects, and coral reef research, collecting fish and crustaceans using bottom trawls, longlines, and fish traps. She uses plankton nets and surface and mid-water laval nets to collect plankton, fish larvae, and eggs. She also routinely supports underwater diving operations. Oscar Elton Sette also is actively involved in NMFS Honolulu Coral Reef Restoration cruises, which concentrate scientific efforts on removing discarded marine debris and commercial fishing gear from fragile coral reefs, as well as on classifying and analyzing the density of the debris and discarded gear.

References

Notes

Bibliography Wertheim, Eric. The Naval Institute Guide to Combat Fleets of the World, 15th Edition: Their Ships, Aircraft, and Systems. Annapolis, Maryland: Naval Institute Press, 2007. ISBN 978-1-59114-955-2.

External links Naval Vessel Register: ADVENTUROUS (AGOS 13) Photo gallery of USNS Adventurous at NavSource Naval History noaa.gov NOAA Ship Oscar Elton Sette Archived May 26, 2011, at the Wayback Machine

Illustrations

Worked examples

Example 1 — a first encounter with USNS Adventurous

Start with the simplest possible case. Write down what USNS Adventurous claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to USNS Adventurous before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about USNS Adventurous ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of USNS Adventurous

In research: USNS Adventurous appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses USNS Adventurous in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: USNS Adventurous is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1987 ships, Cold War auxiliary ships of the United States, Fisheries science, so understanding it makes those chapters shorter.
In everyday life: Look for USNS Adventurous outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study USNS Adventurous in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what USNS Adventurous means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain USNS Adventurous out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is USNS Adventurous in simple terms?

Why does USNS Adventurous matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study USNS Adventurous?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on USNS Adventurous.