AC-4

AC-4 or AC4 may refer to:

• AC4 (band), a Swedish hardcore punk band, or their eponymous album

• Light Wing AC4, an aircraft
• Aviastroitel AC-4 Russia, glider
• Comte AC-4, a two-seat Swiss monoplane

• USS Cyclops (AC-4), a US Navy collier ship

• Southern Pacific class AC-4, a class of steam locomotive

• AC4 tank a World War Two Australian cruiser tank.

• AC-4, an IEC Utilization Category
• Dolby AC-4, Dolby Digital audio codec

• Ace Combat 04: Shattered Skies, a 2001 video game
• Armored Core 4, a 2006 video game
• Assassin's Creed IV: Black Flag, a 2013 video game

Search for "ac4"  or "ac-4" on Wikipedia.

• All pages with titles beginning with AC-4
• All pages with titles containing AC-4
• All pages with titles containing ac4
• AC (disambiguation)