B. U.S. Units
ft Foot
in Inch
lb Pound
lbf ∙ in Pound-force inch
lbf ∙ ft Pound-force foot
0
F Degree Fahrenheit
C. Multiplying Prexes
μ Micro
m Milli
k Kilo
M Mega
p Pico
1.5 Abbreviations
A. The abbreviations given below are used in this instruction: (upper or lower case)
AC Advisory Circular
AFM Aircraft Flight Manual
ALT Alternator
ATA Air Transport Association of America
CB Circuit Breaker
DIA Diameter
FAA Federal Aviation Administration (USA)
FIG. Figure
GAMA General Aviation Manufacturers Association
HET Hartzell Engine Technologies LLC
MAX Maximum
MFR Manufacturer
MIN Minimum
NO. Number
N/A Not Applicable
P/N Part Number
PARA. Paragraph
POH Pilots Operating Handbook
REF. Refer To
TS Troubleshooting
R1224 Regulator
Installation Instruction
12-1001 24-30-01
Rev. M: 01 Dec. 2021 Page: 1-3
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