IFR QuizSeptember 2021 QuizBy IFR Staff - Published: August 26, 20210PrintEmailFacebookTwitter Little-known Coded Departure Routes can solve routing problems for bad weather, traffic, and more. Are you up on the ins and outs of CDRs?September 2021 QuizWhat are CDRs? a. A set of canned routes b. Secret routes for VIPs c. Routes to facilitate ATC coordination d. Answers a. and c. are correct.Who can use a CDR? a. Pilots with a CDR endorsement b. All pilots c. All IFR pilots d. Pilots with CDR-capable navigatorsWhich offer the most route alternatives? a. Conventional DPs b. RNAV DPs c. Conventional STARs d. CDRsCDRs: a. offer high routing efficiency. b. can be longer and less efficient. c. include obstruction clearance. d. do not assure Special Use Airspace separation.When must you, or need you not, fly the entire CDR? a. ATC attempts to return a pilot to their filed flight plan. b. A pilot who accepts a CDR must fly the entire route. c. The pilot can request to rejoin their flight-plan route. d. ATC avoids amending a canned route.If you use a CDR, it replaces a SID. a. True b. FalseA CDR route code consists of a. departure and destination airport three-letter IDs. b. two characters to distinguish one CDR from another. c. eight characters in all. d. All answers are correct.How does a CDR route string terminate? a. At the destination b. Into an arrival route c. At a STAR d. At an IAFCDRs don't exist in some navigators. a. True b. FalseHow can you fly a CDR without GPS? a. File and fly the route itself, not the route code. b. Without GPS, CDR routes are unflyable. c. Break out your ADF. d. Go VFR.Untitled Quiz Field First Choice Second Choice Third ChoiceNameThis field is for validation purposes and should be left unchanged.Δ