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Brainteasers Interactive Quiz #54:
Acronyms, Abbreviations and Contractions

Pilots are often confused by the numerous acronyms, abbreviations, and contractions that are found in weather reports and forecasts, regulations, NOTAMs, advisory circulars, etc. You're probably familiar with the most common of these shorthand notations, but there are others that are less frequently seen but still important to anyone concerned with the safety of flight. Irv Siegel's latest interactive quiz will test your knowledge of these acronyms, abbreviations and contractions -- some common and others less common but important.

by Irv Siegel


The information for this quiz comes from FAA Order 7340.1U, which contains information on acronyms and contractions for air traffic control, communications, weather, charting, and associated aviation-communication services. Also contained are aircraft-type designators; civil aircraft company three-letter identifiers and telephony designator assignments; aircraft nationality assignments; and civil/military aircraft-type designators. For the purposes of this quiz, whenever the correct answer is "all of the above," no credit will be given for choosing one of the correct but incomplete answers.

Answer the questions as best you can, then click on the "Score my quiz answers" button to see your score and read the explanations. If you don't like your score the first time around, you can change some of your answers and resubmit. To get the most out of this quiz, we suggest you keep trying until you get a perfect score.


1. What is the meaning of PARROT?
a. Precision Approach Radar Reflecting One Target
b. Precision Approach Radar Requiring One Transmitter
c. Pacific Area Radar Required On Top
d. Transponder
e. All of the above
2. What is the meaning of AC?
a. Advisory Circular
b. Alto Cumulus
c. Assistant Chief
d. All of the above
3. What is the meaning of ACNOT?
a. Accident Notice
b. Advisory Circular has been cancelled
c. Alto Cumulus has dispersed
d. Assistant Chief position is vacant
e. All of the above
4. What is the meaning of ACSL?
a. Advisory Circular on Simulators
b. Aircraft performance at sea level
c. Assistant Chief on sick leave
d. Standing lenticular altocumulus
e. All of the above
5. a. What is the menaing of AFD?
a. Airport/Facility directory
b. Army Field decommissioned.
c. Automatic Frequency Detector
d. All of the above
6. What is the meaning of ALTA?
a. Alberta
b. All light training aircraft
c. Automatic lighting of transport aircraft
d. All of the above
7. What is the meaning of A01?
a. ASOS automated observation without precipitation discriminator (rain/snow)
b. ASOS automated observation with precipitation discriminator (rain/snow)
c. Either of the above
d. None of the above
8. What is the meaning of AOA?
a. Angle of attack
b. At or above
c. At or after
d. All of the above
9. What is the meaning of ARFF?
a. Aircraft rescue and fire fighting
b. Caution for dogs (ARF) and cats (elines) on the airport
c. Automatic response friend or foe
d. All of the above
10. What is the meaning of ARP?
a. Airport reference point
b. Airport reservation position
c. Air-report
d. All of the above
11. Bonus question: What is the meaning of AURBO?
a. Aural beacon obstruction
b. Aurora Borealis
c. Automatic right base only
d. All of the above