Practice question

What is the difference between a conventional navigation SID (e.g., VOR/DME based) and an RNAV 1 SID?

  1. A conventional SID is defined by courses, radials, bearings, fixes, and ground-based navigation criteria; an RNAV 1 SID uses area navigation and requires 1 NM navigation accuracy for at least 95% of the flight time.
  2. Conventional SIDs can be flown only by supersonic jets.
  3. RNAV 1 SIDs require visual ground landmarks and no avionics.
  4. RNAV SIDs are valid only during daytime hours.

Answer: A — A conventional SID is defined by courses, radials, bearings, fixes, and ground-based navigation criteria; an RNAV 1 SID uses area navigation and requires 1 NM navigation accuracy for at least 95% of the flight time.

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