sensors Mode-S transponder

E4929C

ICAO 24-bit transponder address · allocated to Brazil

Currently assigned to PR-YRB · AIRBUS A-320neo

Hex
E4929C
Octal
71111234
Decimal
14,979,740
Country
BR
Tail
PR-YRB
Type
A20N
No current signal · last broadcast 23h ago
Flights observed
6
Distinct callsigns
5
Country
BR
Last broadcast
23h ago

Last known position

Most recent position reported by Mode-S E4929C.

Country allocation

The ICAO 24-bit address E4929C falls within the block assigned to Brazil (BR) by ICAO Annex 10, Volume III. Every aircraft registered in Brazil receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 5 distinct

Callsign Airline Flights Last seen
AZU2696 - 2 2026-04-14
AZU4729 - 1 2026-04-13
AZU4577 - 1 2026-04-13
AZU4455 Azul Brazilian Airlines 1 2026-04-13
AZU4030 - 1 2026-04-13

Recent flights last 6

DateFlightRouteTakeoffLandingDuration
2026-04-14 AZU2696 - Apr 14, 07:10 UTCApr 14, 07:40 UTC30m
2026-04-14 AZU2696 - Apr 14, 06:45 UTCApr 14, 07:10 UTC25m
2026-04-13 AZU4577 - Apr 13, 20:25 UTCApr 13, 22:20 UTC1h 55m
2026-04-13 AZU4729 - Apr 13, 12:50 UTCApr 13, 14:40 UTC1h 50m
2026-04-13 AZU4030 CGH → VRZ Apr 13, 09:10 UTCApr 13, 09:40 UTC30m
2026-04-13 AZU4455 CNF → CGH Apr 13, 00:25 UTCApr 13, 01:15 UTC50m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the PR-YRB page for operator, model, and routing details .

Mode-S E4929C frequently asked

What is Mode-S code E4929C?
E4929C is an ICAO 24-bit transponder address. Allocated to Brazil. Assigned to PR-YRB.
Where is Mode-S E4929C registered?
Mode-S code E4929C is allocated to Brazil (BR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is E4929C broadcasting right now?
No active broadcast right now. Last signal was 23h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex E4929C, octal 71111234, decimal 14,979,740.
What flights does E4929C operate?
Mode-S E4929C has broadcast 5 distinct callsigns, including AZU2696, AZU4729, AZU4577, AZU4455, AZU4030.