MV Delta Mariner

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Delta Mariner docked at Port Canaveral (08PD-3497).jpg
Delta Mariner docked at Port Canaveral, Florida, 2008
Name: Delta Mariner
Owner: Foss Maritime[1]
Operator: Foss Maritime[1]
Port of registry: Falling Waters, West Virginia[2]
Laid down: October 26, 1998[2]
Launched: December 16, 1999[4]
In service: May 18, 2000[2]
General characteristics
Type: Roll-on/roll-off cargo ship
  • 8,679 GT
  • 3,953 NT
  • 3,887.6 LT DWT
Length: 312 ft (95.1 m)[5]
Beam: 84 ft (25.6 m)[5]
Height: 50 ft (15.2 m)[6]
Draft: 8 ft (2.4 m)[5]
Installed power:
  • 15 kn (28 km/h; 17 mph) (max. ocean)
  • 5 kn (9.3 km/h; 5.8 mph) (max. river)[6]
Crew: 16 + river pilots[8]

Delta Mariner is a cargo ship operated by Foss Maritime for United Launch Alliance (ULA). Her primary role is transporting components for the ULA Atlas V, Delta IV and Vulcan rockets from the manufacturer, located in Decatur, Alabama, to launch facilities at Cape Canaveral Air Force Station in Florida and Vandenberg Air Force Base in California.

The ship is designed for shallow inland waterways as well as the open ocean and is capable of carrying up to three 160-foot (49 m) long Delta IV Common Booster Cores.[9][10] Some cargos carried by Delta Mariner were formerly transported by an Antonov An-124 Ruslan from the manufacturer to the launch site.[11]


Completed rocket stages and other components are transported by truck approximately 1.5 miles (2.4 km) from the Decatur manufacturing facility to the dock on the Tennessee River and driven directly onto the ship.[3]

From Decatur, Delta Mariner uses two routes to the Gulf of Mexico. The first route takes the vessel downstream on the Tennessee River to the Tennessee–Tombigbee Waterway, south to the Tombigbee River, and into Mobile Bay and the Gulf, a distance of about 550 miles (890 km).[3] The current route takes the Tennessee and Ohio Rivers downstream, south on the Mississippi River, and into the Gulf, more than 1,000 miles (1,600 km).[12]

From the ULA plant, Delta Mariner may travel around the Florida peninsula to Cape Canaveral, a 2,100-mile (3,400 km) trip; or through the Panama Canal to Vandenberg, a three-week journey which covers around 5,000 miles (8,000 km).[3][13][14]



On August 7, 2001, Delta Mariner ran aground on a sandbar in the Tennessee River during its initial docking attempt at Decatur. This was Delta Mariner's first arrival at the dock since its launch.[15] The vessel was freed by a tugboat about an hour after the incident.[16]

Bridge collision[edit]

Delta Mariner after its collision with Eggner's Ferry Bridge

On January 26, 2012, around 20:10 CST, Delta Mariner struck the Eggner's Ferry Bridge, which crosses Kentucky Lake near Murray and Cadiz, Kentucky. There were no injuries on the ship or bridge, and, while Delta Mariner was "not severely damaged" and the cargo of Atlas and Centaur stages was undamaged,[13][16] the collision destroyed a 322-foot (98 m) section of the bridge.[17][18]

According to Foss Maritime's spokesman, this was on the regular route taken by the vessel.[16] U.S. Coast Guard officials state the vessel was operating in a recreational channel at the time of the collision, rather than the shipping channel which offers greater bridge clearance.[19] Foss representatives stated that the bridge's channel navigation lights were not operational, though Kentucky Transportation Cabinet (KYTC) Secretary Mike Hancock stated this should not have been a significant factor in the incident and KYTC spokesman Keith Todd said he believes most of the lights were functioning at the time.[20][21]

The ship remained anchored at the bridge after the incident took place so that salvage plans could be developed and equipment moved into place. Salvage operations were led by T&T Bisso of Houston, with assistance from local and regional companies.[22] During February 4–5, salvage divers worked to remove debris which caught underwater on Delta Mariner's hull.[23] On February 6, the vessel was freed from the underwater debris and the Coast Guard approved its relocation to a safe harbor one mile downriver so that its bow could be cleared.[24][25] By February 14, the bridge debris had been cleared and the vessel had relocated to the James Marine drydock in Paducah, Kentucky, to undergo repairs.[26] Delta Mariner was cleared by the American Bureau of Shipping on February 17 to proceed on its journey, and it docked at Port Canaveral, Florida, on February 23.[27]

In their investigation, the National Transportation Safety Board concluded that "the bridge team's exclusive reliance on the contract pilot's incorrect navigational direction as the vessel approached the bridge and their failure to use all available navigation tools to verify the safety of the vessel's course" was the cause of the incident, noting that the bridge crew ignored two Coast Guard broadcasts and a radio call from the vessel Addi Bell regarding navigational lights being out at the bridge. The NTSB cited the KYTC's failure to maintain the bridge's navigational lighting as a contributing factor; white navigation lights had been out of service for over a year and additional navigation lights indicating the bridge's high point had shorted out in the days leading up to the incident.[28][29]

Repairs to the bridge, led by Hall Contracting, cost more than US$7 million according to the KYTC, and costs associated with repairs to Delta Mariner and removal of debris from its hull were estimated at US$2,583,750.[30] The bridge reopened on May 25, 2012.[31]



  1. ^ a b c "Delta Mariner - IMO 9198501". via Retrieved January 31, 2012.
  2. ^ a b c "Delta Mariner (0038725)". ABS Record. American Bureau of Shipping. Retrieved February 1, 2012.
  3. ^ a b c d Salazar, Larry (August 6, 2001). "Delta Mariner Arrival Will Launch Boeing Delta IV on Final Leg of Journey" (Press release). Boeing. Archived from the original on February 1, 2012. Retrieved January 28, 2012.
  4. ^ "Boeing sets sail with world's newest rocket ship" (Press release). Boeing via Spaceflight Now. December 16, 1999. Retrieved January 31, 2012.
  5. ^ a b c Allen, Laurie K (April 7, 2004). "Small Takes of Marine Mammals Incidental to Specified Activities; Harbor Activities at Vandenberg Air Force Base, CA" (PDF). Federal Register. 69 (67): 18354. Retrieved January 31, 2012.
  6. ^ a b Gossett, Dave (October 24, 2008). "Delta Mariner sails the Ohio River". Herald-Star. Archived from the original on June 28, 2009.
  7. ^ "Authority to Construct/Permit to Operate No. 10846-02" (PDF). Archived from the original (PDF) on October 18, 2007. Retrieved February 1, 2012.
  8. ^ Hatton, Angie (January 31, 2012). "Delta Mariner salvage plan moves ahead with assistance from Murray company". Murray Ledger & Times. Retrieved February 6, 2012.
  9. ^ Saxer, Robert K; Knauf, James M; Drake, Linda R; Portanova, Pete L (March – April 2002). "Evolved Expendable Launch Vehicle Systems" (PDF). Project Manager. 31 (2).
  10. ^ Cox, Martin (January 27, 2012). "MV Delta Mariner Rocket Carrier Destroys Kentucky Bridge". Maritime Matters. Retrieved January 27, 2012.
  11. ^ Bergin, Chris (July 30, 2011). "NASA Juno FRR completed – Atlas and Delta share a ride on the Mariner". Retrieved January 30, 2012.
  12. ^ Associated Press (January 27, 2012). "Ship carrying rocket parts, hits Kentucky bridge". MSNBC. Retrieved January 27, 2012.
  13. ^ a b Bergin, Chris (January 28, 2012). "No impact to two ULA missions following Delta Mariner accident". NASA Spaceflight. Retrieved January 28, 2012.
  14. ^ Bauer, Steve (November 15, 2011). "Delta Mariner offloads launch components at Vandenberg". Archived from the original on September 8, 2014. Retrieved January 30, 2012.
  15. ^ Salazar, Larry (August 7, 2001). "Boeing Announces Decatur Docking by Delta Mariner to be Delayed" (Press release). Boeing. Archived from the original on November 6, 2011. Retrieved February 1, 2012.
  16. ^ a b c Lovan, Dylan; Barrouquere, Brett (January 27, 2012). "Eggner Ferry Bridge Hit By Delta Mariner Ship In Kentucky". Huffington Post. Retrieved January 27, 2012.
  17. ^ Fleischauer, Eric (January 27, 2012). "Decatur-based Delta Mariner hits Kentucky bridge". Decatur Daily. Archived from the original on January 21, 2013.
  18. ^ Hughes, Bill (May 15, 2012). "New Bridge Span Successfully Installed". West Kentucky Star. Retrieved October 17, 2016.
  19. ^ Kenning, Chris (January 28, 2012). "Ship in wrong channel tears through Kentucky Lake bridge, officials say". The Courier-Journal. Retrieved January 28, 2012.
  20. ^ Cline-Thomas, Aundrea (January 28, 2012). "New Details Emerge About Bridge Collapse". Archived from the original on February 1, 2012. Retrieved January 29, 2012.
  21. ^ Associated Press (January 27, 2012). "Ship carrying rocket parts hits Kentucky bridge". USA Today. Retrieved January 27, 2012.
  22. ^ Hatton, Angie (February 4, 2012). "Coast Guard OKs ship salvage plan". Murray Ledger & Times. Retrieved February 6, 2012.
  23. ^ Wyrick, Arnold (February 5, 2012). "Crews work to free the Delta Mariner". KFVS. Retrieved February 6, 2012.
  24. ^ Baskin, Shelly (February 6, 2012). "Delta Mariner Moved from Site of Bridge Collision". WKMS. Kentucky Transportation Cabinet. Retrieved October 17, 2016.
  25. ^ "Rocket parts-carrying ship that hit Kentucky bridge moved away from span". The Huntsville Times. Associated Press. February 6, 2012. Retrieved October 17, 2016.
  26. ^ "Ship that collapsed bridge now at Paducah drydock". WKRN. February 15, 2012. Retrieved October 17, 2016.
  27. ^ Ray, Justin (February 23, 2012). "Cape takes delivery of next Atlas 5 aboard Mariner ship". Spaceflight Now. Retrieved October 17, 2016.
  28. ^ "Report: Ship Crew Ignored Warnings Before Hitting Kentucky Bridge". Insurance Journal. May 16, 2013. Retrieved October 17, 2016.
  29. ^ Yanchunas, Dom (August 28, 2013). "NTSB: Ship crashed into Ky. bridge because of pilot's error, faulty lights". Professional Mariner. Retrieved October 17, 2016.
  30. ^ Allision of the Cargo Vessel M/V Delta Mariner with Eggner's Ferry Bridge, Tennessee River, Near Aurora, Kentucky, January 26, 2012 (PDF) (Report). National Transportation Safety Board. 2013. NTSB/MAR-13/02; PB2013-106636.
  31. ^ "Eggners Ferry Bridge Reopened". West Kentucky Star. May 25, 2012. Retrieved October 17, 2016.

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