KETCHIKAN -- On a calm day last February, the Mat-Su Borough's new  ferryboat pulled away from the dock in Ketchikan and glided north  through Tongass Narrows so smoothly that it barely seemed to move.   The  captain hired for sea trials said the Susitna drove like a sports car.  One of its inventors climbed below to check out a persistent vibration  but overall he was pleased with its performance. A prospective client  came along for the ride.
The borough soon will possess a ship  like no other, a marvel of engineering and craftsmanship, say those  involved. Its unique barge deck can rise for faster sailing and lower  for beach landings. It's the world's first twin-hulled vessel that can  break through ice. It's complicated but not fragile,  said Lew Madden, a  retired Navy captain and the ferry's  co-inventor.
But it's  also a boat in search of a purpose. Years after it was conceived,  there's still no place on either side of Cook Inlet for it to dock, no  plan for how it will be used, and big questions abound over ongoing  costs, assuming it ever goes into operation. The borough has so far  managed to keep its costs low by using federal money, but there's no  guarantee such largesse will continue in an era of budget cutting.
The 195-foot-long, steel and aluminum ship is undergoing final  inspections at the small Ketchikan shipyard where it was built. State  ferry blue and adorned with graphic golden waves, the Susitna is a head  turner.
The ship was born out of an odd but opportune  partnership. It's a U.S. Navy prototype that will be owned and operated  by the Mat-Su Borough.
Part amphibious assault vessel. Part Alaska commuter ferry.
The result is a ship far more expensive than either the borough or  the Navy expected and so unusual that some say it's among the most  complex commercial ships built in a century.
"I don't know of  another design that can work as well in the ice, at speed and with the  flexibility, operational flexibility," said retired Rear Adm. Jay M.  Cohen, chief of naval research from 2000 to 2006 and one of the  Susitna's fans.
While both the borough and the Navy seem  impressed with how the ship turned out, neither got exactly what it  wanted. It can haul fewer vehicles than the borough envisioned. It's  slower than the Navy wanted. And it will have to meet more demanding  rules than most passenger vessels, or even Navy ships.
The cost  to create the prototype has been about $78 million, counting early  design and model testing. Still, as borough officials note, the Navy is  paying most of the bills. Much of the money came through earmarks wedged  into the Department of Defense budget by then-U.S. Sen. Ted Stevens,  the late Alaska political powerhouse.
"The Mat-Su Borough and  really the Cook Inlet region were given a tremendous gift through this  ship," said Elizabeth Gray, assistant borough manager. "We got an $80  million ship we wouldn't have gotten otherwise."
"We're  ecstatic about the possibility of running a ferry through the Cook  Inlet. We think it's good for Alaska or we wouldn't be doing it."
THE INVENTOR
The ship's story begins with Madden.
Madden graduated from West Anchorage High. He became a Navy  helicopter pilot who completed three tours in Vietnam. After the Navy,  he went to work for Lockheed Martin, the Bethesda, Md.,-based defense  contractor, as a program manager.
In the early 2000s, Madden  and other Lockheed engineers in Sunnyvale, Calif., were brainstorming  how to make a new kind of landing craft. The Navy was seeking the next  generation of the vessel that hit the beaches in Normandy and Iwo Jima  in World War II.
Because of their shallow draft, most landing  craft are inherently unstable in rough seas. Ships with deeper hulls are  more stable but can't pull up on shore.
Madden had an idea.
Why not combine the best of very different ships? Make a boat that  would transform from a catamaran-like ship to a barge while at sea. As  the idea took hold, he envisioned a barge deck that would lower until it  hit the water, adding buoyancy. The twin hulls would rise up until the  ship's draft was only 3 or 4 feet, allowing it to beach. An on-board  ramp would drop down so that a military tank could roll off.
No one had ever built anything like that.
His design team at Lockheed Martin got to work.
About midway through the project, Madden left Lockheed. He got the  Mat-Su Borough interested in the project, and was hired to represent the  borough's interests during construction of the Susitna.
Madden's credentials include 13 years at Lockheed and 26 years in the  Navy, including a stint as director of anti-submarine warfare systems  architecture and engineering. He's a systems engineer with two master's  degrees.
Since late 2005, the borough has paid him more than $1  million. That's $150,000 a year plus expenses, capped at $45,000  annually, to monitor construction, design changes, testing and quality  assurance. His pay matches what he earned at Lockheed, Madden said. The  money has come largely from the Federal Transit Administration.
Mat-Su officials say they wouldn't have gotten the ship without him.
"He has provided a level of expertise we couldn't have found anywhere  else," Gray said. "He's the co-inventor of the ship. His early  involvement, his intimate knowledge of the design, it gave us the  technical expertise to make sure that boat was built correctly."
Madden's work for the borough was supposed to last just over two  years, but the ship's unique design was more complicated to engineer and  build than expected. His work is now into a sixth year.
A BARELY USED PORT
Most experimental ships end up in scrap yards. They are usually built  to small scale and aren't sturdy enough to last long. The military  can't put them to practical use, and they aren't designed for commercial  activities.
But what if Lockheed's transforming vessel was built with a civilian customer in mind?
Enter the bargain-hunting Mat-Su Borough.
In 2002, Madden visited Anchorage for his 40th high school reunion.  He knew the Mat-Su had a new port at Point MacKenzie and was interested  in ferry service to jump-start industrial development. The area hasn't  taken off like some other parts of the borough. It has farms and cabins,  a few homes and businesses, a prison under construction and a minimal  port. In 2010, just two ships called there.
By car, the drive  from Anchorage to Point MacKenzie is 80 miles. By ferry, the trip  shrinks to 2.5 miles, maybe 30 minutes counting loading and unloading.  It feels even closer standing on the dock at Port MacKenzie, with its  eye-popping views of Anchorage and the Chugach Range.
"It's crazy not to have a ferry," Madden said, "or a bridge sometime down the road."
On that trip in 2002, Madden pitched his idea to then-borough manager  John Duffy, an inveterate booster. Before long, the borough was in.
In June 2003, the borough requested proposals for a ferry that could also perform rescues in Upper Cook Inlet.
Two contractors responded: Lockheed Martin, with its novel  twin-hulled ship, and a local group that proposed retrofitting an  existing vessel.
Lockheed won. The borough hired the company  for the first two stages of design. Over several years, the borough paid  Lockheed $2.6 million, mainly from federal earmarks.
The  borough approached Stevens for help in steering additional funding  through Congress. The first grants came through the Federal Transit  Administration, which is mainly concerned with urban mass transit.
"It is fair to say that this was a congressionally initiated project," Cohen, the admiral, said.
The Navy officially committed to join the project in 2005, which  opened the way for Stevens to funnel most of the money through the  Department of Defense.
As a joint borough-military project, the  ship became exponentially more complex. The Navy wanted a light, fast  ship. The borough wanted a ship heavy enough to break ice and safe for  civilian passengers.
Which Cohen said reminds him of the maxim: A camel is a horse designed by committee.
'YOU'RE NUTS'
Cohen sought out Guido Perla, a world-renowned naval architect in Seattle.
Initially, "it wasn't supposed to carry passengers or anything. It  was something for the military to prove that the concept was right,"  Perla said.
For a commercial passenger vessel, design standards are much stricter.
"You are transporting kids, women, men, the elderly, old people, young people," Perla said.
Perla frequently quotes his father, who used to say, "As long as  there is a book, you are an expert." In the case of the Susitna, there  was no book.
Perla laid out his concerns to Cohen during a meeting in Seattle.
"I think he said, 'Admiral, you're nuts,' " Cohen recalled, laughing.
The discussion ended with Perla satisfied that Cohen understood the risks.
Early on, Perla said, his design team brought in the Coast Guard,  which enforces U.S. ship regulations, and the American Bureau of  Shipping, which sets standards for and classifies ships.
He wanted them involved "because there are no rules for this boat."
Icebreakers normally work by riding over ice and crushing it. With  this ship, the leading edges of the hulls are designed to slide under  ice and lift it up.
"We plow the ice, like when you are plowing a field," Perla said.
Still docked in ice-free Ketchikan, the ship has not yet proven  itself against the pan ice it will encounter in Cook Inlet. A model was  successfully tested at a ship research facility in Newfoundland.
The ship, because of its movable deck, essentially has a big hole  between the hulls. Look down and the sea is visible in unexpected  places. The whole ship is held together by two crossbeams of inch-thick  steel.
A DEMAND FOR SPEED
Over the last six years, the budget for design and construction more than doubled.
When the borough first contracted with Lockheed for design work in  2003, it wanted a ship that could be built for no more than $18 million,  hold 30 to 50 cars and carry 100 to 150 passengers. A crew of three to  five would run it. And it would be completed by 2006.
Even at  that price, Talis Colberg, then a Mat-Su Borough assemblyman and later  mayor, questioned whether the project was justified. He was the lone  "no" vote when the Assembly approved federal transit dollars for the  project.
"My view is that we would have never seriously  considered building the ferry out of our own budget," said Colberg, now  head of Mat-Su College. 
The boat is not exactly free to the  borough, he said. Maintenance and operational costs are likely to be  high for such a unique vessel.
Rather than put construction of  the boat out to bid, the Mat-Su Borough and the Navy negotiated with  Alaska Ship & Drydock, a small shipyard in Ketchikan that had never  built anything like it. 
The initial price in August 2005 was  just under $30 million for design and construction. The number kept  creeping up until finally hitting $71 million in September 2009. That  doesn't include $5.5 million, mainly from federal and state grants, that  went to the borough for designing and outfitting the vessel, or the  $1.4 million Lockheed put into the project early on.
Once the Navy took charge, spending was out of borough control, said Madden, who was by then working for the borough.
Above the cost of the ship, millions more in public money has gone  for design and engineering of ferry landings, feasibility studies and a  $4.5 million ferry terminal, according to figures provided by the  borough.
Of the money spent so far, only about $370,000 has come from the borough's own funds.
Over the years, the design has changed a few times. Steel costs have gone up. And the ship has grown.
Duffy, as borough manager, insisted the ferry be able to haul the  biggest vehicle legal on Alaska highways, which meant a redesign. The  borough changed the type of landing it wanted to use.
The  Navy's demands for speed meant bigger engines, which required bigger  hulls to fit them in, which made the ship heavier, which meant even  bigger engines.
Perla had experience designing ferries and  luxury dinner cruise ships, offshore drilling supply vessels and  firefighting boats. He's designed retrofits of sophisticated Navy  vessels.
"For me, it was the most demanding project that I ever  have had in 40 years of business," Perla said of his work on the  Susitna.
From 30 to 50 cars, the borough ended up with a ferry  that can hold 20, with about 130 passengers. It will need a crew of five  to six or maybe more to operate with passengers; the Coast Guard hasn't  made a final decision yet.
The Navy had to settle, too. It  wanted a boat that could travel at 30 knots, Cohen said. As it became  clear that the steel-hulled ship couldn't sail that fast, the Navy began  aiming for a top speed of 20 knots. So far the ship's top speed is  17.75 knots. It weighs more than 1,000 tons fully loaded.
A PORSCHE IN THE WATER
At sea trials around Ketchikan, the ship has performed remarkably  well, say members of the crew hired to operate it during testing.
"This thing is like a rock-solid platform," said Capt. J.P. Stormont,  who normally operates an Alaska state ferry. "We had it out in 45-knot  winds, 10-, 11-foot seas, out in Clarence Strait here. You could just  set a cup of coffee right on the counter."
On a blustery day  last fall, the crew tried to push the boat's limits, putting it sideways  into the trough between rolling waves.
"It just held it straight, right through," chief mate Tryg Westergard said.
Stormont and Westergard took turns at the helm, steering with a little joystick.
Asked to compare state ferries to the Susitna, Stormont had a quick  answer: "You've got your Buick and your Chevy. And then you got your  Porsche and your Lamborghini. ... This is a sports car here."
The Susitna was named one of the 10 most significant ships of 2010 at  the International WorkBoat Show last year in New Orleans.
The  Navy doesn't plan to build any more at this point. It paid to install  hundreds of sensors on board and will collect data on things like  stresses on the hull for several years.
"They proved the  concept, and the state of Alaska got a fully operational ferry that is  not a burden to the U.S. Navy," Cohen said.
Now the pressure is on the Mat-Su to put the Susitna to good use.
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