C1

From Wikipedia, the free encyclopedia

C1 or C-1 may refer to:

In vehicles

• BMW C1, a security scooter with a roof
• Citroën C1, a small car
• Ford C1 platform, the Ford Motor Company's global compact car automobile platform
• Hawker-Siddeley C1 Andover transport aircraft
• Kawasaki C-1, an indigeneous transport aircraft of the Japanese Air Self-Defense Forces
• C-1 Trader, an anti-submarine warfare aircraft of the United States Navy
• HMS C1, a C-class submarine of the Royal Navy
• USS C-1 (SS-9), a C-class submarine of the United States Navy
• USS Newark (C-1), a protected cruiser of the United States Navy
• AEG C.I, a German World War I reconnaissance aircraft

In computing

• C1 (protocol), a protocol for file transfer, also known as "Punter"
• C0 and C1 control codes defined in ISO 6429
• Counter-Strike "C1", a slang expression from the video game, used to express agreement
• TCSEC C1 security class
• C-One single-board microcomputer

In other uses

• ISO 216 C1, an international standard paper size (648×917 mm)
• NRS social grade C1 for the United Kingdom is the lower middle class
• Cytochrome C1, a protein, precursor to Cytochrome C
• First cervical vertebra of the vertebral column, in human anatomy
• note-octave C1 in music
• In town and country planning in the UK, C1 is the code for permission to use specific land or premises for hotels
• In mathematics, the notation C¹ refers to the set of all continuously differentiable functions