CAPT. BILL IKNER

  • General
    • Vessel Name : CAPT. BILL IKNER
    • Operator : KIRBY INLAND MARINE, LP
    • Ships Type (ICST) : 432
    • Vessel Type : Pushboat
    • Construction : Steel
  • Engine
    • Horsepower rating : 1800
  • Location
    • City : HOUSTON
    • STATE : TX
  • Capacity
    • Net Tonnage : 136
  • Size
    • Register length : 81.5 Feet
    • Regular Breadth : 28 Feet
    • Overall Length : 81.5 Feet
    • Overall Breadt : 28 Feet
    • Load draft : 10 Feet
    • Light Draft : 8.5 Feet
    • Height : 43 Feet
  • Other
    • Year : 1979
    • EQUIP1 : NONE
    • Coast Guard Number : 607008

KIRBY INLAND MARINE, LP

  • Area of Operation : GULF INTRACOASTAL WATERWAY; MISSISSIPPI, TOMBIGBEE AND WARRIOR RIVER SYSTEMS; ILLINOIS, OHIO AND TENNESSEE RIVERS
  • Principal Commodity : CHEMICAL AND PETROLEUM PRODUCTS

KIRBY

  • Type : Liquid Cargo Barge (Double Sided Only)
  • Construction : Steel

BRIDGET CAULLEY

  • Type : Pushboat
  • Construction : Steel

BRONCO

  • Type : Pushboat
  • Construction : Steel

BUCKSKIN

  • Type : Pushboat
  • Construction : Steel

CAMERON BLAIR

  • Type : Pushboat
  • Construction : Steel

CAPT. ALPHA DOUCET

  • Type : Pushboat
  • Construction : Steel

CAPT. CHARLIE LAWRENCE

  • Type : Pushboat
  • Construction : Steel

CAPT. DANIEL CLEMENT

  • Type : Pushboat
  • Construction : Steel

CAPT. FRANK GIBSON

  • Type : Pushboat
  • Construction : Steel

CAPT. FRANK STALLINGS

  • Type : Pushboat
  • Construction : Steel

CAPT. JAMES HOOVER

  • Type : Pushboat
  • Construction : Steel

CAPT. JIM GREEN

  • Type : Pushboat
  • Construction : Steel

CAPT. REGGIE LEBOEUF

  • Type : Pushboat
  • Construction : Steel

CAPT. RONNIE PAYNE

  • Type : Pushboat
  • Construction : Steel

CAPT. SHORTY C

  • Type : Pushboat
  • Construction : Steel

CAPTAIN BILL ENGLISH

  • Type : Tugboat
  • Construction : Steel

CAROLE L. BRENT

  • Type : Pushboat
  • Construction : Steel

CHALLENGER

  • Type : Pushboat
  • Construction : Steel

CHARLOTTE

  • Type : Pushboat
  • Construction : Steel

CHESLEY E

  • Type : Pushboat
  • Construction : Steel

CINDY BRENT

  • Type : Pushboat
  • Construction : Steel

CITY OF CHICAGO

  • Type : Pushboat
  • Construction : Steel

CITY OF FREEPORT

  • Type : Pushboat
  • Construction : Steel

CITY OF GREENVILLE

  • Type : Pushboat
  • Construction : Steel

CITY OF JOLIET

  • Type : Pushboat
  • Construction : Steel

CITY OF JONESVILLE

  • Type : Pushboat
  • Construction : Steel

CITY OF LOUISVILLE

  • Type : Pushboat
  • Construction : Steel

CITY OF NATCHEZ

  • Type : Pushboat
  • Construction : Steel

CITY OF NEW ORLEANS

  • Type : Pushboat
  • Construction : Steel

CITY OF PADUCAH

  • Type : Pushboat
  • Construction : Steel

CITY OF PITTSBURGH

  • Type : Pushboat
  • Construction : Steel

CITY OF REDWOOD

  • Type : Pushboat
  • Construction : Steel

CITY OF VICKSBURG

  • Type : Pushboat
  • Construction : Steel

COLORADO

  • Type : Pushboat
  • Construction : Steel

COMAL

  • Type : Pushboat
  • Construction : Steel

CREOLE MAMA

  • Type : Pushboat
  • Construction : Steel

CREOLE TUT

  • Type : Pushboat
  • Construction : Steel

CULLEN

  • Type : Pushboat
  • Construction : Steel

DADE

  • Type : Tugboat
  • Construction : Steel

DAN L

  • Type : Pushboat
  • Construction : Steel

DAVIS SEA

  • Type : Tugboat
  • Construction : Steel

DAYTONA

  • Type : Pushboat
  • Construction : Steel

DENNIS CHAMBERS

  • Type : Pushboat
  • Construction : Steel

DIXIE CHALLENGE

  • Type : Tugboat
  • Construction : Steel

DIXIE COURAGE

  • Type : Pushboat
  • Construction : Steel

DIXIE EXPRESS

  • Type : Tugboat
  • Construction : Steel

DIXIE LEADER

  • Type : Tugboat
  • Construction : Steel

DIXIE PRINCE

  • Type : Tugboat
  • Construction : Steel

DIXIE RAIDER

  • Type : Pushboat
  • Construction : Steel

DIXIE RENEGADE

  • Type : Pushboat
  • Construction : Steel

DIXIE TRAVELER

  • Type : Pushboat
  • Construction : Steel

DIXIE VALOUR

  • Type : Pushboat
  • Construction : Steel

DIXIE VANDAL

  • Type : Pushboat
  • Construction : Steel

DIXIE VENGEANCE

  • Type : Pushboat
  • Construction : Steel

DIXIE VOLUNTEER

  • Type : Pushboat
  • Construction : Steel

DUBLIN SEA

  • Type : Pushboat
  • Construction : Steel

EARL JONES

  • Type : Pushboat
  • Construction : Steel

EL LOBO GRANDE II

  • Type : Tugboat
  • Construction : Steel

EL PASO

  • Type : Pushboat
  • Construction : Steel

ELIZABETH BLEILER

  • Type : Pushboat
  • Construction : Steel

ELIZABETH R

  • Type : Pushboat
  • Construction : Steel

ELLIS DAVIS

  • Type : Pushboat
  • Construction : Steel

ELOY RIVERA

  • Type : Tugboat
  • Construction : Steel

ENTERPRISE

  • Type : Pushboat
  • Construction : Steel

ESCAMBIA

  • Type : Pushboat
  • Construction : Steel

FILLY

  • Type : Pushboat
  • Construction : Steel

FLORIDA

  • Type : Tugboat
  • Construction : Steel

FRANCIS BENEDICT

  • Type : Pushboat
  • Construction : Steel

GALVESTON

  • Type : Pushboat
  • Construction : Steel

GARY REED

  • Type : Tugboat
  • Construction : Steel

GREENLAND SEA

  • Type : Tugboat
  • Construction : Steel

GUADALUPE

  • Type : Pushboat
  • Construction : Steel

HENRY J. SOUDELIER III

  • Type : Pushboat
  • Construction : Steel

HONDO

  • Type : Pushboat
  • Construction : Steel

HOUMA

  • Type : Tugboat
  • Construction : Steel

HOUSTON

  • Type : Tugboat
  • Construction : Steel

INDIAN RIVER

  • Type : Pushboat
  • Construction : Steel

IRISH SEA

  • Type : Tugboat
  • Construction : Steel

J. E. O'DONNELL

  • Type : Pushboat
  • Construction : Steel

JANICE CAROL

  • Type : Pushboat
  • Construction : Steel

JAVA SEA

  • Type : Tugboat
  • Construction : Steel

JEFF MONTGOMERY

  • Type : Tugboat
  • Construction : Steel

JESSICA BRENT

  • Type : Pushboat
  • Construction : Steel

JIMMY SAULS

  • Type : Pushboat
  • Construction : Steel

JOHN BRIX

  • Type : Tugboat
  • Construction : Steel

KEY WEST

  • Type : Tugboat
  • Construction : Steel

KIMBERLY JANE

  • Type : Pushboat
  • Construction : Steel

L. C. WILLIAMS

  • Type : Pushboat
  • Construction : Steel

LABRADOR SEA

  • Type : Tugboat
  • Construction : Steel

LAMPASAS

  • Type : Pushboat
  • Construction : Steel

LANA LOUISE

  • Type : Pushboat
  • Construction : Steel

LAREDO

  • Type : Pushboat
  • Construction : Steel

LAVACA

  • Type : Pushboat
  • Construction : Steel

LEON JOHNSON

  • Type : Pushboat
  • Construction : Steel

LEVITICUS

  • Type : Pushboat
  • Construction : Steel

LIME ROCK

  • Type : Pushboat
  • Construction : Steel

LINCOLN SEA

  • Type : Tugboat
  • Construction : Steel

LLANO

  • Type : Tugboat
  • Construction : Steel

LOU NATARO

  • Type : Pushboat
  • Construction : Steel

LOUIE LEONE

  • Type : Pushboat
  • Construction : Steel

LUCILLE BROOKS

  • Type : Pushboat
  • Construction : Steel

LUCY W. HINES

  • Type : Pushboat
  • Construction : Steel

LYDIA BRENT

  • Type : Pushboat
  • Construction : Steel

MARATHON

  • Type : Pushboat
  • Construction : Steel

MARCIA LYNN

  • Type : Pushboat
  • Construction : Steel

MARK L

  • Type : Pushboat
  • Construction : Steel

MARYLAND

  • Type : Tugboat
  • Construction : Steel

MCKINLEY SEA

  • Type : Tugboat
  • Construction : Steel

MEDINA

  • Type : Pushboat
  • Construction : Steel

MEDITERRANEAN SEA

  • Type : Tugboat
  • Construction : Steel

MELINDA BRENT

  • Type : Pushboat
  • Construction : Steel

MIAMI

  • Type : Tugboat
  • Construction : Steel

MICHAEL MCCREERY

  • Type : Pushboat
  • Construction : Steel

MIDAS

  • Type : Pushboat
  • Construction : Steel

MIKE BIRD

  • Type : Pushboat
  • Construction : Steel

MISS BETTYE

  • Type : Pushboat
  • Construction : Steel

MISS HEATHER

  • Type : Pushboat
  • Construction : Steel

MISS RACHEL

  • Type : Pushboat
  • Construction : Steel

MISS ROLANETTE

  • Type : Pushboat
  • Construction : Steel

MISS SUSAN

  • Type : Pushboat
  • Construction : Steel

MISSION

  • Type : Pushboat
  • Construction : Steel

MOBILE

  • Type : Tugboat
  • Construction : Steel

MORGAN CITY

  • Type : Pushboat
  • Construction : Steel

MR. BENNETT

  • Type : Pushboat
  • Construction : Steel

NAINA

  • Type : Tugboat
  • Construction : Steel

NAKOA

  • Type : Tugboat
  • Construction : Steel

NAKOLO

  • Type : Tugboat
  • Construction : Steel

NAKUE

  • Type : Tugboat
  • Construction : Aluminum

NATHAN E STEWART

  • Type : Tugboat
  • Construction : Steel

NAUPAKA

  • Type : Tugboat
  • Construction : Steel

NAVIDAD

  • Type : Pushboat
  • Construction : Steel

NECHES

  • Type : Pushboat
  • Construction : Steel

NENE

  • Type : Tugboat
  • Construction : Steel

NICEVILLE

  • Type : Pushboat
  • Construction : Steel

NICKIE B

  • Type : Pushboat
  • Construction : Steel

NICOLE BRENT

  • Type : Pushboat
  • Construction : Steel

NOHEA

  • Type : Tugboat
  • Construction : Steel

NOHOLOA

  • Type : Tugboat
  • Construction : Steel

NOKE

  • Type : Tugboat
  • Construction : Steel

NOKEA

  • Type : Tugboat
  • Construction : Steel

NORTH SEA

  • Type : Tugboat
  • Construction : Steel

NORTH WIND

  • Type : Pushboat
  • Construction : Steel

NORWEGIAN SEA

  • Type : Tugboat
  • Construction : Steel

NUECES

  • Type : Pushboat
  • Construction : Steel

NUNUI

  • Type : Tugboat
  • Construction : Steel

OBSERVER

  • Type : Pushboat
  • Construction : Steel

OLD PUSH

  • Type : Pushboat
  • Construction : Steel

ORION

  • Type : Pushboat
  • Construction : Steel

OSPREY

  • Type : Tugboat
  • Construction : Steel

PACESETTER

  • Type : Pushboat
  • Construction : Steel

PACIFIC AVENGER

  • Type : Tugboat
  • Construction : Steel

PACIFIC CHALLENGER

  • Type : Tugboat
  • Construction : Steel

PACIFIC EAGLE

  • Type : Tugboat
  • Construction : Steel

PACIFIC FREEDOM

  • Type : Tugboat
  • Construction : Steel

PACIFIC RAVEN

  • Type : Tugboat
  • Construction : Steel

PACIFIC WOLF

  • Type : Tugboat
  • Construction : Steel

PALO DURO

  • Type : Pushboat
  • Construction : Steel

PALOMINO

  • Type : Pushboat
  • Construction : Steel

PARAGON

  • Type : Tugboat
  • Construction : Steel

PASS CHRISTIAN

  • Type : Pushboat
  • Construction : Steel

PAULINE M.

  • Type : Pushboat
  • Construction : Steel

PEBBLE BEACH

  • Type : Pushboat
  • Construction : Steel

PECOS

  • Type : Pushboat
  • Construction : Steel

PEDERNALES

  • Type : Pushboat
  • Construction : Steel

PENSACOLA

  • Type : Tugboat
  • Construction : Steel

PORT ARTHUR

  • Type : Pushboat
  • Construction : Steel

PRIDE

  • Type : Pushboat
  • Construction : Steel

REBEL

  • Type : Tugboat
  • Construction : Steel

RIVERSIDE

  • Type : Pushboat
  • Construction : Steel

ROAN

  • Type : Pushboat
  • Construction : Steel

ROBERT G. STONE JR.

  • Type : Tugboat
  • Construction : Steel

ROSS SEA

  • Type : Tugboat
  • Construction : Steel

ROY BAKER

  • Type : Pushboat
  • Construction : Steel

SABINAL

  • Type : Pushboat
  • Construction : Steel

SAINT CRISPIN

  • Type : Pushboat
  • Construction : Steel

SAN JACINTO

  • Type : Pushboat
  • Construction : Steel

SEA HAWK

  • Type : Tugboat
  • Construction : Steel

SENATOR STENNIS

  • Type : Pushboat
  • Construction : Steel

SIBERIAN SEA

  • Type : Tugboat
  • Construction : Steel

SIRIUS

  • Type : Tugboat
  • Construction : Steel

SONORA

  • Type : Pushboat
  • Construction : Steel

SPIRIT

  • Type : Pushboat
  • Construction : Steel

STALLION

  • Type : Pushboat
  • Construction : Steel

SUNFISH

  • Type : Pushboat
  • Construction : Steel

SUSAN ELIZABETH

  • Type : Pushboat
  • Construction : Steel

TAMPA

  • Type : Pushboat
  • Construction : Steel

TASMAN SEA

  • Type : Tugboat
  • Construction : Steel

TAURUS

  • Type : Tugboat
  • Construction : Steel

TED B

  • Type : Pushboat
  • Construction : Steel

THOR

  • Type : Pushboat
  • Construction : Steel

TIGER

  • Type : Tugboat
  • Construction : Steel

TINY SANDERSON

  • Type : Pushboat
  • Construction : Steel

TRINITY

  • Type : Pushboat
  • Construction : Steel

VENTURE

  • Type : Pushboat
  • Construction : Steel

VIKING

  • Type : Tugboat
  • Construction : Steel

VOLUNTEER

  • Type : Tugboat
  • Construction : Steel

VOYAGER

  • Type : Pushboat
  • Construction : Steel

W. C. BINION JR.

  • Type : Pushboat
  • Construction : Steel

WALTER S

  • Type : Pushboat
  • Construction : Steel

WEDDELL SEA

  • Type : Tugboat
  • Construction : Steel

ZEPHYR

  • Type : Pushboat
  • Construction : Steel

ZEUS

  • Type : Pushboat
  • Construction : Steel

ACHILLES

  • Type : Pushboat
  • Construction : Steel

ADRIATIC SEA

  • Type : Tugboat
  • Construction : Steel

AGAMEMNON

  • Type : Pushboat
  • Construction : Steel

AJAX

  • Type : Pushboat
  • Construction : Steel

AL MIDDLETON

  • Type : Pushboat
  • Construction : Steel

ALICE JEAN

  • Type : Pushboat
  • Construction : Steel

ALTAIR

  • Type : Tugboat
  • Construction : Steel

ANGELINA

  • Type : Pushboat
  • Construction : Steel

ANN BRENT

  • Type : Pushboat
  • Construction : Steel

ANTIGONE

  • Type : Pushboat
  • Construction : Steel

APOLLO

  • Type : Pushboat
  • Construction : Steel

APPALOOSA

  • Type : Pushboat
  • Construction : Steel

ARABIAN

  • Type : Pushboat
  • Construction : Steel

ARABIAN SEA

  • Type : Tugboat
  • Construction : Steel

ARANSAS

  • Type : Pushboat
  • Construction : Steel

ARCHIE WILSON

  • Type : Tugboat
  • Construction : Steel

ATHENA

  • Type : Pushboat
  • Construction : Steel

ATLAS

  • Type : Pushboat
  • Construction : Steel

AURORA

  • Type : Pushboat
  • Construction : Steel

BARENTS SEA

  • Type : Tugboat
  • Construction : Steel

BEAUFORT SEA

  • Type : Tugboat
  • Construction : Steel

BERING SEA

  • Type : Tugboat
  • Construction : Steel

BETTY BRENT

  • Type : Pushboat
  • Construction : Steel

BIG AL

  • Type : Pushboat
  • Construction : Steel

BIG BAY

  • Type : Pushboat
  • Construction : Steel

BILL GARVEY

  • Type : Pushboat
  • Construction : Steel

BISMARCK SEA

  • Type : Tugboat
  • Construction : Steel

BLANCO

  • Type : Tugboat
  • Construction : Steel

BLUEFISH

  • Type : Pushboat
  • Construction : Steel

BOCA GRANDE

  • Type : Pushboat
  • Construction : Steel

BONNIE SUE

  • Type : Pushboat
  • Construction : Steel

BRAZOS

  • Type : Pushboat
  • Construction : Steel

BREWSTER KNOTT

  • Type : Pushboat
  • Construction : Steel

LEMON CREEK

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

LEO

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

NA-KAO

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

NO

  • Type : Other Liquid Cargo Barge Not Elsewhere Included
  • Construction : Steel

NO.

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

PACIFIC

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

PUGET SOUNDER

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

REM

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

RIGEL

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

SASANOA

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

RA

  • Type : Flat / Deck Barge
  • Construction : Steel

ANTARES

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

CAPELLA

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

CASCADES

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

DBL

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

DENEB

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

KAYS POINT

  • Type : Liquid Cargo Barge (Double Hull)
  • Construction : Steel

News

Unified Command Prepares for Removal of Bridge Piece on Top of Dali

Unified Command Prepares for Removal of Bridge Piece on Top of Dali

Key Bridge Unified command salvors have begun preparing for the removal of bridge section four, which lies across the bow of the M/V Dali.The operation requires careful handling of roadbed material, crushed containers and bridge fragments currently resting on the M/V Dali’s bow.The salvage teams are preparing for the refloat of the Dali

Italy Thwarts Houthi Drone Attack in the Red Sea

Italy Thwarts Houthi Drone Attack in the Red Sea

An Italian navy ship shot down a drone fired by Yemen's Houthi rebels and targeting a European cargo, the Italian defense ministry said in a statement on Monday.The drone was intercepted "in the late morning" near the Bab-el-Mandeb strait at the southern end of the Red Sea, the ministry said.It was flying toward the cargo ship and taken down while it was 5 kilometers (3.11 miles) away.

First Ship Departs Baltimore Through Limited Access Channel

First Ship Departs Baltimore Through Limited Access Channel

The first commercial vessel transited through a newly opened channel in the Port of Baltimore following the deadly collapse of the Francis Scott Key Bridge.The Fort McHenry Limited Access Channel (LAC) was opened as a temporary solution to provide passage for a limited number of commercial vessels into the Port of Baltimore and a departure opportunity for some deep draft vessels currently unable

At Least Five People Drown Trying to Cross English Channel

At Least Five People Drown Trying to Cross English Channel

At least five people, including a child, died in an attempt to cross the English Channel from France, hours after Britain passed a bill to deport asylum seekers to Rwanda to try to deter the dangerous crossings.The deaths of one child, a woman and three men occurred on an overcrowded small boat carrying around 110 people attempting to cross one of the busiest shipping lanes in the world.

Mercy Ships to Build Another Hospital Ship

Mercy Ships to Build Another Hospital Ship

The MSC Foundation, the MSC Group and Mercy Ships International have joined forces to build a new hospital ship.On 8 April, the chairman of MSC Group and MSC Foundation, Capt. Gianluigi Aponte, MSC Group President and Member of the MSC Foundation Board, Diego Aponte, and Mercy Ships Founder, Don Stephens

Third Temporary Channel Opened in Baltimore

Third Temporary Channel Opened in Baltimore

The Captain of the Port (COTP) has established the Fort Carroll Temporary Alternate Channel, which is on the northeast side of the main channel in the vicinity of the Francis Scott Key Bridge and will provide limited access for commercially essential vessels.The channel has a controlling depth of 20 feet, a 300-foot horizontal clearance, and a vertical clearance of 135 feet

Shiploader Collapses at Brazil's Recife Port

Shiploader Collapses at Brazil's Recife Port

An accident with a shiploader at the sugar terminal in the Recife port in Northeastern Brazil suspended loading operations at the site, according to a note from shipping company Williams Brazil late on Thursday.The company said the shiploader collapsed and a part of the machine fell inside the cargo hold of a vessel that was docked at the port to load raw sugar.

First Containers Removed from Dali

First Containers Removed from Dali

The Unified Command began to remove containers onboard M/V Dali at the Key Bridge incident site, Sunday.  Salvors removed containers from the Dali as part of the effort to gain access to the portion of the Key Bridge that lies atop the ship. The transfer of containers from the Dali will continue in the coming days, as weather permits.

US Dredging: Plenty of Issues, New WRDA on the Way

US Dredging: Plenty of Issues, New WRDA on the Way

2024 marks another year for development of a biennial WRDA bill—Water Resources Development Act, critical legislation for the Nation’s waterways, ports and harbors. WRDA encompasses a range of issues, from environmental regs to energy use to agriculture and, of course, a focus on projects critical for economic growth.

Shipping Industry Calls for Release of Galaxy Leader Crew

Shipping Industry Calls for Release of Galaxy Leader Crew

The international maritime industry, led by the International Chamber of Shipping, has joined together to express their concern for the seafarers from the Galaxy Leader who have been held hostage and call on the Houthis to release them.Monday February 19, 2024 marks the three-month anniversary since the Houthis seized the Galaxy Leader and its 25 seafarers in the Red Sea.

US Senators Ready Bill to Fund Office Helping Iran Oil Seizures

US Senators Ready Bill to Fund Office Helping Iran Oil Seizures

U.S. senators from both parties are readying legislation to help the federal government enforce oil sanctions on Iran, the office of Senator Joni Ernst, a Republican, told Reuters on Thursday.Ernst is spear-heading the bill slated for release on Monday to create a $150 million Iranian sanctions enforcement fund for the Department of Homeland Security Investigation (HSI) office

Capital Construction Funds: A New Opportunity For Vessel Financing On The Inland Waterways

Capital Construction Funds: A New Opportunity For Vessel Financing On The Inland Waterways

Recent changes have opened up the Capital Construction Fund program to owners and operators of vessels on the U.S. inland waterways.Among the programs offered by the U.S. Department of Transportation through the Maritime Administration (MARAD) to promote the growth and modernization of the U.S.