Radar Observer · Aids — Racon
A racon responds to a ship's radar by painting on the display a:
- ASolid ring around own ship
- BCoded Morse character extending radially outward from the aid's position✓ Correct
- CBlank sector
- DRange ring only
Explanation
A racon is a radar transponder beacon; when triggered it transmits a Morse-coded signal that appears as a line or dashes extending outward from the beacon's echo along its bearing, identifying the aid to navigation.
Authority: Radar Navigation — Racon
Practice the full Radar Observer bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Radar Observer questions
- Aids — Racon
A racon is a radar beacon that, when triggered by a vessel's radar, produces:
- Display — Motion
On a relative-motion radar display, your own ship is:
- Collision Avoidance — CPA
The closest point of approach (CPA) of a radar target is:
- Collision Avoidance — TCPA
TCPA on a radar/ARPA readout represents the:
- Controls — EBL
The electronic bearing line (EBL) on a radar is used to:
- Controls — VRM
The variable range marker (VRM) on a radar measures: