Put your aviation knowledge to the test with these interactive quizzes.

Quiz #146: Obscure Regulations

Seemingly insignificant regulations can bite. So bite back and defang the FAA's oft-overlooked regs by testing your grasp of the Code of Federal Regulations. (Think old-school FARs, if you like. We do.)

Quiz #145: Speed and Altitude

Go fast, go high. But before you reach beyond the surly bonds, make sure you know the territory or at least the terminology by acing this quiz.

Quiz #144: Cross-Country Planning

Dig through the closet and dust off Mom's old E6B flight computer, because it's time to go old school with a cross-country planning quiz. (You'll get your GPS back later.)

Quiz #143: Mommy, Where Does Lift Come From?

Eventually, all pilots face the uncomfortable moment when passengers ask about the facts of flight. Don't blush, stammer or tell them to "Go ask your flight instructor." Instead, tell them to take this quiz.

Quiz #142: Tame That Checkride

All pilots experience the jitters when the Designated Pilot Examiner (DPE) slithers into the aircraft and hisses, "Let's see what you know ..." So, let's quell all fears and see what you know about Practical Tests Standards.

Quiz #141: Through The System

While you navigate the National Airspace System (NAS), air traffic controllers apply a slug of rules to keep it all flowing. The more you know about how the system works, the smoother you'll sound.

Quiz #140: Winter Be Damned

When temperatures drop below an acceptable level of civility, pilots must face some cold realities: What you don't know about ice could severely chill your flight plans. Ace this ice-bound quiz to once again feel the warmth.

Quiz #139: Good Night, Moon

As winter approaches, days get shorter ... well, not shorter; they're still 24 hours each, but they do get darker. To master nighttime's dark side, shed light on the following questions.

Quiz #138: Watch Out For That Tree

TERPS means terminal instrument procedures, and procedure designers (a.k.a., TERPSters) build safe arrival and departure paths to clear ridges, trees and tall shrubbery near many airports. Test your TERPS savvy or prepare to bring us that shrubbery.

Quiz #137: Twilight Zones

Submitted for your consideration: VFR and IFR procedures with one foot in the 1950s and the other in your 21st-century cockpit. Despite satnav bliss, the National Airspace System (NAS) clings to archaic items that you should know.

Quiz #136: Adrift in an Unstable Sky

In a stable world, the weather is never claggy, airplanes fly upright and avgas is 50 cents per gallon. Sorry, this quiz is in the real, unstable world, so straighten up and answer right.

Quiz #135: Summertime ...

... and the flyin' is easy, provided you remember a few things about warmed-up air molecules, hot holding patterns and steamed air traffic controllers working vacation overtime.

Quiz #134: Give Yourself WINGS

Time to blow off a little steam -- FAASTeam. That's shorthand for FAA Safety Team, a relatively new program promoting aviation safety. Test your knowledge of the program and some of its hotter topics.

Quiz #133: Stuff You Should've Learned in Ground School

Chances are you learned how to convert Celsius to Frankenstein, but can you remember all the other testable -- and forgettable -- minutiae from your primary training days? Neither can we, so let's see what you know.

Quiz #132: Peek Behind the ATC Curtain

The Pilot/Controller Glossary contains terms used on both sides of the NAS fence. Too often, pilots don't understand controller phrases, and controllers don't know the pilot stuff. You'll know it all by acing this quiz.

Quiz #131: Reflections On Short Final

When you're on final, aiming for the numbers, with passengers squawking, "Are we there yet?" there's little time to preplan. So, take a moment -- assuming you're not on final -- to test your approaches to landing.

Quiz #130: Weather or Not

Clouds, as Joni Mitchell warns, may get in your way, but knowing what's around you in the atmosphere turns weather challenges into clear skies. Well, maybe not, but it makes answering these questions much easier.

Quiz #129: Winter Sport Flying

"Oh, the weather outside is frightful, but ski-flying is so delightful. So long as you fly in Minnesota, let it snow, let it snow ..." Who're we kiddin'? Winter sucks. So hasten spring's arrival by smoking this quiz.

Quiz #128: Go Global

Some things old, some things new and a few things out of the blue make up the way we navigate. Answer the following questions correctly and you're cleared direct-to anywhere in the world, with your GPS.

Quiz #127: Ramp Check

Run away! Run away! No, it's not that scary. You can turn the tables on an FAA spot-inspection by having your paperwork in order and answering a few questions.

Quiz #126: Control Input

Ercoupe pilots, cover your ears. The rest of you, please get your feet off the floorboards and help us get a grip on a few questions about control surfaces. Proper input coordination is required.

Quiz #125: What's Up?

The sky's the limit of infinite possibilities when you don't let terminology and regulations hold you down. Let's dissect a few loftier ones to answer questions that have teased aeronautical brains since before Pratt met Whitney.

Quiz #124: Back To School Quiz

Shoes shined and hair slicked down, let's see what you remember after the long summer's break. Those who don't score well on this quiz will be forced to spend more time at the airport.

Quiz #123: IFR Update

Home from Oshkosh, your head is filled with Sean Tucker acrobatics in the fourth dimension. But darkening skies delay your dreams of air-show stardom as you pause to demonstrate your IFR savvy with a quiz.

Quiz #122: Welcome To Brainteaser Refresher Camp

Camp Wannaflybettah is open to pilots who obey a few camp rules: Don't drink from the seaplane pond, believe anything in the pilots' lounge or swallow the occasional red herring in the following questions.

Quiz #121: Stress -- Deal With It

Stress accompanies flight -- Don't Panic! Some stress is good, some not so. Recently, while checking out in a stubby-winged Thorp T-18, the Brainteaser author stressed himself and the airplane. Share the humiliation and test your stress limits.

Quiz #120: Something Old, Something New

As the tsunami of change washes over the FAA, leaving it groping for a user-fee lifeline, pilots know to surf the crest, riding old terms, new ways and hope into aviation's future.

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