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Wednesday 3rd December 2008
Brainteasers
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Oct. 2, 2008

Brainteasers
Interactive 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.

INSTRUCTIONS: 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.

NOTE: When more than one answer is true, only the most complete, correct answer will be scored as correct. The answers are assumed to apply within the United States unless otherwise noted.

1. When TERPSters evaluate a runway for an instrument departure procedure, they define a surface, usually inclined, above the terrain and look for obstacles that may interfere with the intended departure path. This surface associated with a defined area for obstruction evaluation is called the OCS, which means:
a. Obstacle control surface
b. Obstruction clearance surface
c. Obstruction control surface
d. Obstacle clearance surface
2. Instrument departure design criterion assumes that the departing IFR aircraft will maintain a minimal initial climb of (_____) feet per (_____). Fill in the blanks with the best answers.
a. 200, mile (nautical)
b. 200, minute
c. 300, mile (nautical)
d. 300, minute
3. Building on the previous question, TERPSters assume that the departing aircraft will cross the departure end of the runway (DER) at a height of at least (_____) feet.
a. 15
b. 25
c. 35
d. 75
4. By following the published departure procedure (DP), the aircraft pilot will maintain the ROC. What does ROC mean in this case?
a. Required obstacle clearance
b. Restricted obstruction clearance
c. Required obstruction clearance
d. Required outbound clearance
e. Rate of climb
5. VFR departures may utilize a published IFR DP from any airport located within Class G or E airspace provided ATC authorization has been received, and departure-control radar service is utilized.
a. True
b. False
6. MVA means minimum vectoring altitude. As it implies, the radar controller vectors IFR aircraft at or above the MVA. Some departure-control facilities are authorized to vector aircraft below MVA provided a DVA (diverse vector area) has been established. Where should pilots look for the DVA dimensions? (Pick the best answer.)
a. A/FD
b. TPP
c. TRACON
d. ODP
7. OK, we brought it up in the previous question, so it's only fair to ask: What's an ODP?
a. Obstacle departure procedure
b. Official departure procedure
c. On-line departure procedure
d. Old Dutch pilots
8. Complete this FAA arrival thought: "(_____) provide a transition from the en route structure to an approach gate, outer fix, instrument approach fix, or arrival waypoint in the terminal area, and they usually terminate with an instrument or visual approach procedure (and) are included at the front of each Terminal Procedures Publication regional booklet."
a. SIDs
b. SOPs
c. STARs
d. STEMs
9. You're on an IFR clearance, level at 12,000 feet msl, and ATC says, "... Cleared Badly Two arrival." The Badly Two has several step-down fixes before reaching an approach fix, so given that clearance, "Cleared Badly Two arrival," you are permitted to follow the lateral portion of the arrival procedure but may not descend until an altitude clearance is received.
a. True
b. False
10. It's autumn, and a young pilot's thoughts turn to -- what else? -- flying the North Atlantic. Dress warmly, carry plenty of fuel and plan on using something better than an out-of-date VFR sectional chart to navigate. Oceanic flight involves long stretches of non-radar-assisted navigation. Mistakes are possible, and when a flight deviates by more than 25 miles from the aircraft's cleared route, this is officially called a (_____ _____ _____) (GNE).
a. Grotesque navigation error
b. Graphic navigation error
c. GPS navigation error
d. Gross navigation error