243 (disambiguation)

243 or variant, may refer to:


 * 243 (number)

Date and time

 * AD 243 CE, a year
 * 243 BC/BCE, a year


 * March 24 (24/3)

Places

 * 243 Ida, a main-belt asteroid, the 243rd asteroid registered
 * 243P/NEAT (Comet NEAT 243), a periodic comet, the 243rd periodical registered
 * Lebo–Waverly USD 243, Kansas, USA; a unified school district, #243
 * NA-243 (Karachi East-II), Pakistan; a national assembly constituency
 * Collholme No. 243, Alberta, Canada; a municipal district

Transportation

 * ARO-243, a 4x4 offroad vehicle from ARO (Auto Romania)
 * DR Class 243, German electric locomotive class
 * Tupolev Tu-243, Soviet unmanned reconnaissance aircraft
 * Highway 243, several highways
 * Flight 243 (disambiguation), several airline flights

Ships with pennant 243

 * HMS Trent, a British Royal Navy River-class frigate
 * HMS Scotsman, a British WWII Royal Navy S-class submarine
 * HMIS Bengal, a WWII Indian Navy Bathurst-class corvette
 * USS Sands, a WWII U.S. Navy Clemson-class destroyer
 * USS J. Richard Ward, a WWII U.S. Navy Edsall-class destroyer escort
 * USS Illusive, a WWII U.S. Navy minesweeper
 * USS Bream, a WWII U.S. Navy Gato-class submarine
 * USNS Sgt. Archer T. Gammon, a WWII U.S. Navy auxiliary Boulder Victory-class cargo ship

Military units 243

 * No. 243 Squadron RAF (UK)
 * 243rd Aviation Company, U.S. Army (USA)
 * VMSB-243, Marine Scout Bombing Squadron (USA)
 * 243rd Air Traffic Control Squadron USAF (USA)
 * 243 Provost Company, Royal Military Police (UK)
 * 243 (The Wessex) Field Hospital, Royal Army Medical Corps (UK)
 * 243 Construction Squadron, Royal Engineers (UK)
 * 243rd Guards Motor Rifle Regiment, Red Army; a Soviet Cold War unit
 * 243rd Rifle Division, NKVD, Red Army; a Soviet unit in WWII
 * 243rd Static Infantry Division (Wehrmacht), WWII Germany
 * 243rd Coast Artillery (United States), Rhode Island National Guard interwar unit
 * 243d Aero Squadron, U.S. Army Air Corps, an interwar unit
 * 243rd Battalion, CEF, WWI Canadian Army unit
 * 243rd Infantry Division (German Empire), WWI

Weaponry

 * M243 smoke grenade launcher (model 243)
 * .243 calibre for firearms
 * .243 Winchester rifle round
 * .243 Winchester Super Short Magnum (.243 WSSM), rifle rounds

Communications

 * +243; the calling code for the Democratic Republic of the Congo, the country once known as Zaire.
 * 243 AM, 243 kHz in AM radio
 * 243 MHz (UHF Guard frequency), an aircraft emergency frequency for military aircraft.

Isotope 243

 * Americium-243
 * Berkelium-243
 * Californium-243
 * Curium-243
 * Einsteinium-243
 * Neptunium-243

Other uses

 * United Nations Security Council Resolution 243