DRN Abreviations

  1. AGL
    Above Ground Level
  2. ATC
    • Air Traffic Control
    • - to prevent a collision between aircraft operating in the system
    • - to organize and expedite the flow of traffic
    • - getting permission to operate in controlled areas
  3. CFA
    • Controlled Firing Areas
    • - Special Use Airspace     or
    • - Special Area of Operation (SAO)

    • - Nonregulatory Category / Special Use Type
    • - no need to chart CFAs since they do not cause a nonparticipating aircraft to change its flight path
  4. CTAF
    • Common Traffic Advisory Frequency
    • - can be found on the chart for specific area
  5. FAA
    Federal Aviation Administration
  6. FDC
    Flight Data Center
  7. IAP
    • Instrument Approach Procedures
    • - series of predetermined maneuvers from the beginning of the initial approach to a landing
  8. FS
    Flight Service

    - communicates directly with pilots
  9. IFR
    • Instrument Flight Rules
    • - 1 of 2 sets of regulations governing all aspects of civil aviation aircraft operations
  10. VFR
    Visual Flight Rules

    - to govern flight under conditions in which flight by outside visual reference is not safe.
  11. IR
    • Instrument Routes
    •  
    • - part of Military Training Route
    • - on sectional charts
  12. LAA
    Local Airport Advisory

    • - Other Airspace
    • - advisory service provided by Flight Service facilities, which are located on the landing airport, using a discrete ground-to-air frequency or the tower frequency when the tower is closed.
  13. MOA
    Military Operation Area

    • - Special Use Airspace
    • - Nonregulatory Category / Special Use Type
    • - to separate certain military training activities from IFR traffic
    • - defined on the back of the sectional charts
  14. MSL
    Mean Sea Level
  15. MTR
    Military Training Route

    • - Other Airspace
    • - routes used by military aircraft to maintain proficiency in tactical flying
    • - identified as
    •      - IR - Instrument Routes + number
    •      - VR - Visual Routes + number
    • - below 10,000 feet MSL
    • - speeds in excess of 250 knots
    • - IR1206 - below 1,500 feet AGL
    • - IR206 - above 1,500 feet AGL (one or more segments)
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  16. NAS
    National Airspace System

    - network of both controlled and uncontrolled airspace, both domestic and oceanic
  17. NM
    Nautical Miles

    •    = 1 minute of arc on the Earth
    •    = 1.1508 statute miles
    •    = 1,852 meters
  18. NOTAM
    Notice to Airmen

    - time-critical aeronautical information either temporary in nature or not sufficiently known in advance
  19. NSA
    National Security Area

    • - Other Airspace
    • - consist of airspace of defined vertical and lateral dimensions
    • - disseminated via NOTAM
    • - voluntarily avoid flying
  20. SAO
    Special Area of Operation

    - or Special Use Airspace (6)

    • 1) Prohibited areas
    • 2) Restricted areas
    • 3) Warning areas
    • 4) Military operation areas (MOAs)
    • 5) Alert areas
    • 6) Controlled firing areas (CFAs)
  21. SFC
    Surface
  22. TFR
    Temporary Flight Restrictions

    - Other Airspace

    • - Flight Data Center (FDC) Notice to Airmen (NOTAM) is issued to designate a TFR
    • - NOTAM begins with the phrase “FLIGHT RESTRICTIONS” followed by:
    •     - location
    •     - effective time period
    •     - area defined in statute miles
    •     - altitudes affected
  23. TRSA
    Terminal Radar Service Area

    - Other Airspace

    • - areas where participating pilots can receive additional radar services
    • - to provide separation between all IFR operations and participating VFR aircraft
  24. UNICOM
    Aeronautical Advisory Communications Stations

    - licensed non-government base station that may also serve as a CTAF when in operation
  25. VR
    Visual Routs

    • - part of Military Training Route
    • - on sectional charts
Author
flashsmilenet
ID
355453
Card Set
DRN Abreviations
Description
DRN Abreviations
Updated