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Federal Aviation Regulations

Sec. 34.2 — Abbreviations.

The abbreviations used in this part have the following meanings in both upper and lower case:

CO  Carbon monoxide

EPA  United States Environmental Protection Agency

FAA  Federal Aviation Administration, United States Department of Transportation

HC  Hydrocarbon(s)

HP  Horsepower

hr  Hour(s)

H20  water

kg  Kilogram(s)

kJ  Kilojoule(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

W  Watt(s)

°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]

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