SKY899 Pilot’s Guide
viii
Preliminary
Abbreviations & Acronyms (continued)
MSG
Message
Nav
Navigation
nm
Nautical Miles (on the display)
nmi
Nautical Miles (in the text)
NRM
Normal
OPR
Operate
OT
Other Traffic
PA
Proximity Advisory
P/N
Part Number
Rev
Revision
RGC
Radar Graphics Computer
RTCA
Requirements & Technical Concepts for Aviation
SLA
Sensitivity Level A
SLB
Sensitivity Level B
SSR
Secondary Surveillance Radar
STB
Standby
TA
Traffic Advisory
TAS
Traffic Advisory System
TAWS
Terrain Awareness and Warning System
TCAS
Traffic Alert and Collision Avoidance System
TRC
Transmitter Receiver Computer
TSO
Technical Standard Order
UNR
Unrestricted