Malf
Malfunction
MB
millibars
MED
Medium
MM
Middle Marker
MON/PVT
Monitor/Private
MSL
Mean Sea Level
NAV
Navigation
Nd
Nose down pitch attitude
NDB
NonDirectional Beacon
NM
Nautical Miles
NOTAM
NOtice To AirMen
Nu
Nose up pitch attitude
OAT
Outside Air Temperature
OM
Outer Marker
PAPI
Precision Approach Path Indicators
POS’N
Position
Prev
Previous
PSI
Pounds per Square Inch
QFE
Barometric pressure at station or ground level
TM-3-B 737-IOS1-007
LIST OF ABBREVIATIONS
FSI-SSD
G-5
NT IOS Operation/Touchscreen
B 737
JAN 2001