Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


- AC Advisory Circulars
- ADM Aeronautical Decision Making
- AFM Aircraft Flight Manual
- AGL Above Ground Level
- AIM Aeronautical Information Manual
- AIS Abbreviated Injury Scale
- ASL Above Sea Level
- ASOS Automated Surface Observing System (monitors the weather)
- ATC Air Traffic Control
- ATCT Air Traffic Control Tower
- ATIS Automatic Terminal Information System (a loop of useful information broadcast over the radio near an airport)
- AWC Aviation Weather Center
- AWOS Automated Weather Observing System
- CFR Code of Federal Regulations
- CG Center of Gravity
- CoW Certificate of Waiver
- CRM Crew Resource Management
- CS Control Station (your remote control)
- CTAF Common Traffic Advisory Frequency
- FAA Federal Aviation Administration
- FDC Flight Data Center
- FLIP Department of Defense Flight Information Publication
- FL Flight Level
- FSS Flight Service Station. Provides pilot briefings, enroute communications, search-and-rescue services, help lost aircraft, etc.
- FTP Flight Termination Point
- IFR Instrument Flight Rules
- ILS Instrument Landing System
- LOA Letter of Agreement
- METAR Aviation Routine Weather Reports
- MOA Military Operations Area
- MSL Mean Sea Level
- MTR Military Training Routes
- MULTICOM Not an acronym, just the radio frequency (122.9) we use to announce aircraft when there’s no ATC.
- NAS National Airspace System
- NM Nautical Miles
- NOTAM Notice to Airman
- NTAP Notice to Airman Publication
- NTSB National Transportation Safety Board
- NWS National Weather Service
- OVC Overcast (from METAR)
- PIC Pilot In Control. You, flying the drone.
- POH Pilot Operating Handbook
- RA Rain
- SFC Surface
- SIDA Secure Identification Display Area. The part of the airport where you need to be wearing a badge.
- SM Statute Miles
- SMS Safety Management System
- sUAS Small Unmanned Aircraft Systems (aka., drone, UA, UAS)
- TAF Terminal Aerodrome Forecast
- TFR Temporary Flight Restriction
- UA Unmanned Aircraft (aka., drone, sUAS, UAS)
- UAS Unmanned Aircraft System (aka., drone, sUAS, UA)
- UNICOM Not an acronym
- VFR Visual Flight Rules
- VLOS Visual Line-of-Sight
- VO Visual Observer
- VOR Very High Frequency Omnidirectional Range. They’re navigation beacons.
- VR Visual Flight Rules Military Training Routes
Created by: rrgreenphoto