Title 40
SECTION 87.2
87.2 Abbreviations.
§ 87.2 Abbreviations.The abbreviations used in this part have the following meanings:
% percent ° degree CO carbon monoxide CO2 carbon dioxide g gram HC hydrocarbon(s) kN kilonewton kW kilowatt LTO landing and takeoff NOX oxides of nitrogen rO rated output rPR rated pressure ratio SN smoke number [77 FR 36381, June 18, 2012]