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A new or replacing NOTAM without the term “EST” is valid

  1. Afor 48 hours only.
  2. Bfor the day it was issued.
  3. Cuntil the End Time quoted in the NOTAM.Correct answer
  4. Duntil a cancelling NOTAM is issued.

Why this is the answer

Per the TC AIM, a new or replacing NOTAM that carries no “EST” is valid until the specific End Time quoted in the NOTAM — a definite expiry, not a fixed 48 hours.

Reference

TC AIM-MAP – New NOTAM

Question reproduced verbatim from Transport Canada’s PSTAR Study and Reference Guide (TP 11919E). The answer key is Transport Canada’s; the explanation is ours.

A study aid — not a substitute for the official guide, the CARs, or your instructor.

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