Regulations last checked for updates: May 19, 2024

Title 14 - Aeronautics and Space last revised: May 07, 2024
§ 34.2 - Abbreviations.
Link to an amendment published at 89 FR 31085, Apr. 24, 2024.

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) H20 water kg Kilogram(s) kJ Kilojoule(s) kN Kilonewton(s) kW Kilowatt(s) lb Pound(s) LTO Landing and takeoff min Minute(s) NOX Oxides of nitrogen Pa Pascal(s) rO Rated output rPR Rated pressure ratio sec Second(s) SP Shaft power SN Smoke number T Temperature, degrees Kelvin TIM Time in mode °C Degrees Celsius % Percent [Doc. No. 25613, 55 FR 32861, Aug. 10, 1990, as amended by Amdt. 34-3, 64 FR 5559, Feb. 3, 1999; Amdt. 34-5, 77 FR 76850, Dec. 31, 2012]
authority: 42 U.S.C. 4321
source: Docket No. 25613, 55 FR 32861, Aug. 10, 1990, unless otherwise noted.
cite as: 14 CFR 34.2