A11, A 11 or A-11 may refer to:

Military

* Aero A.11, a Czechoslovakian bomber produced before World War II *

Consolidated A-11 The Consolidated P-30 (PB-2) was a 1930s United States two-seat fighter aircraft. An attack version called the A-11 was also built, along with two Y1P-25 prototypes and YP-27, Y1P-28, and XP-33 proposals. The P-30 is significant for being the fi ...

, an attack version of the Consolidated P-30 fighter plane of the 1930s * HMS ''A11'', an A-class submarine of the Royal Navy * Matilda Mk I, a British Army infantry tank * Aggregate 11, a proposed military rocket of Nazi Germany * A-11 Ghibli, the Italian designation for the

AMX International AMX The AMX International AMX is a ground-attack aircraft jointly developed by Brazil and Italy. The AMX is designated A-11 Ghibli by the Italian Air Force and A-1 by the Brazilian Air Force. The Italian name, "Ghibli", is taken from the hot dry w ...

Roads

* A11 road, in several countries

Other uses

Apollo 11 Apollo 11 (July 16–24, 1969) was the American spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin landed the Apollo Lunar Module ''Eagle'' on July 20, 1969, at 20:17 UTC, ...

A-11 offense The A-11 offense is an offensive scheme that has been used in some levels of amateur American football. In this offense, a loophole in the rules governing kicking formations is used to disguise which offensive players would be eligible to receive ...

, an American Football shotgun formation involving 2 quarterbacks and 9 other potentially eligible receivers *

Arrows A11 The Arrows A11 was a Formula One car with which the Arrows team competed in the and Formula One seasons, and at the start of the season (badged as a Footwork). Designed by Ross Brawn, the A11 was the first Arrows car following the ban on tur ...

, a 1989 British racing car * ATC code A11 ''Vitamins'', a subgroup of the Anatomical Therapeutic Chemical Classification System * British NVC community A11 (Potamogeton pectinatus - Myriophyllum spicatum community), a British Isles plant community *

Chery A11 The Chery A11 (), also known as Fulwin, Fengyun or Windcloud, is Chery's first car. Created without government approval, it has nonetheless been the first step of Chery's success story and helped transform the Chinese automotive market from one de ...

, a 1999 Chinese car *

HLA-A11 HLA-A11 (A11) is a human leukocyte antigen serotype within HLA-A "A" serotype group. The serotype is determined by the antibody recognition of α11 subset of HLA-A α-chains. For A11, the alpha "A" chain are encoded by the HLA-A allele grou ...

, an HLA-A serotype *

American Airlines Flight 11 American Airlines Flight 11 was a domestic passenger flight that was hijacked by five al-Qaeda terrorists on September 11, 2001 as part of the September 11 attacks. Lead hijacker Mohamed Atta deliberately crashed the plane into the North Towe ...

, a plane that was hijacked and crashed into the World Trade Center in the September 11 attacks *

English Opening The English Opening is a chess opening that begins with the move: :1. c4 A flank opening, it is the fourth most popular and, according to various databases, one of the four most successful of White's twenty possible first moves. White begins t ...

, Encyclopaedia of Chess Openings code * Apple A11, an ARM SoC mobile processor designed by Apple. * "A-11", a 1963 country song written by

Hank Cochran Garland Perry "Hank" Cochran (August 2, 1935 – July 15, 2010) was an American country music singer and songwriter. Starting during the 1960s, Cochran was a prolific songwriter in the genre, including major hits by Patsy Cline, Ray Price, Eddy ...

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