Federal Aviation Administration Abbreviations and Acronyms

1. NCO
   Numerically Controlled Oscillator
2. NCO
   Number Controlled Oscillator
3. NIU
   Network Interface Unit
4. ECU
   European Currency Unit
5. FAST
   FAA Acquisition System Toolset
6. O|M
   Original Equipment Manufacturer
7. O|M
   Operations and Maintenance
8. sam
   System Availability Model
9. SCM
   Software Configuration Management
10. A&S
    Anti-spoofing
11. ACO
    Aircraft Certification Office
12. ACWP
    Actual Cost of Work Performed
13. ANSI
    American National Standards Institute
14. APV
    Approach Procedure with Vertical guidance
15. ARS
    Area Selector
16. B.A.
    Bachelor of Arts
17. B.S.
    Bachelor of Science
18. c&a
    Coarse/Acquisition
19. CASE
    Computer Aided Software Engineering
20. COTR
    Contracting Officers Technical Representative

Last updated: September 10, 2020 — Total entries: 2,563