CIGAR or CIGARS is a mnemonic that refers to a pre-takeoff checklist performed by general aviation pilots. The mnemonic stands for: Controls Instruments Gas Airplane secure Run-up. Alternately: Controls Instruments Gas Attitude Run-up Yet another version was used by the U.S. Air Force: CIGarettes For The Poor Russian Soldiers: Controls Instruments Gas Flaps Trim Prop Radios Straps. References Aviation mnemonics