Aircraft Abbreviations and Acronyms

1. ASU
   Avionics Switching Unit
2. CHS
   Chapter
3. ISP
   Integrated Switching Panel
4. PAR
   Precision Approach Radar
5. R&C
   Rate of Climb
6. R&C
   Remote Control
7. R&D
   Rate of Descent
8. SIU
   Satellite Interface Unit
9. STP
   standard temperature and pressure (0° and 1 atm)
10. TAT
    True Air Temperature
11. TAT
    Total Air Temperature
12. Trnsfr
    Transfer
13. W/O
    Without
14. f
    Frequency
15. f
    Failure
16. f
    Front
17. R/T
    Radio Altimeter
18. MAPS
    Minimum Aviation Performance Standards
19. k
    Thousand
20. t
    Transmitter

Last updated: March 8, 2022 — Total entries: 8,629