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Decision making and flight planningQuestion 781 of 934

Which type of ELT can be coded with the owner's contact information?

  1. The digital 406 MHz ELT
  2. The analog 121.5 MHz ELT
  3. The analog 243.0 MHz ELT
  4. All ELTs, if they are armed
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Correct answer: The digital 406 MHz ELT

The 406 MHz ELT also sends a stronger signal than the older 121.5 MHz ELT.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 6-2-4 Emergency Locator Transmitter (ELT), page 489

Practice decision making and flight planning

Questions last reviewed: 18 October 2026