Weather servicesQuestion 369 of 934

A METAR contains the group A2970. What does it give?

  1. A temperature of 29.70 °C at the surface
  2. An altimeter setting of 29.70 "Hg
  3. A visibility of 2,970 feet at the runway
  4. A ceiling of 2,970 feet above the ground
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Correct answer: An altimeter setting of 29.70 "Hg

The altimeter setting uses four digits in inches of mercury. It always starts with the letter A.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 13: Aviation Weather Services — Aviation Weather Reports, page 317

Practice weather services

Questions last reviewed: 18 October 2026