§ 34.2. Abbreviations.
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/us/cfr/t14/s§ 34.2·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
The abbreviations used in this part have the following meanings in both upper and lower case: CO2 Carbon dioxide CO Carbon monoxide EPA United States Environmental Protection Agency FAA Federal Aviation Administration, United States Department of Transportation g Gram(s) HC Hydrocarbon(s) HP Horsepower hr Hour(s) H2O Water kg Kilogram(s) kJ Kilojoule(s) kN Kilonewton(s) kW Kilowatt(s) lbf Pound force LTO Landing and takeoff m Meter(s) mg Milligram(s) µg Microgram(s) min Minute(s) MJ Megajoule(s) NOX Oxides of nitrogen nvPM Non-volatile particulate matter nvPMmass Non-volatile particulate matter mass nvPMMC Non-volatile particulate matter mass concentration nvPMnum Non-volatile particulate matter number Pa Pascal(s) rO Rated output rPR Rated pressure ratio sec Second(s) SP Shaft power SN Smoke number T Temperature in degrees Kelvin TIM Time in mode °C Degrees Celsius % Percent [Doc.
No. FAA-2023-2434, Amdt. 34-7, 89 FR 31085, Apr. 24, 2024]