sensors Mode-S transponder

E4A13C

ICAO 24-bit transponder address · allocated to Brazil

Currently assigned to PS-AJB · AIRBUS A-321

Hex
E4A13C
Octal
71120474
Decimal
14,983,484
Country
BR
Tail
PS-AJB
Type
A321
No current signal · last broadcast 14h ago
Flights observed
6
Distinct callsigns
3
Country
BR
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S E4A13C.

Country allocation

The ICAO 24-bit address E4A13C 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 3 distinct

Callsign Airline Flights Last seen
AZU2094 Azul Brazilian Airlines 2 2026-04-12
AZU2026 - 2 2026-04-14
AZU2025 - 2 2026-04-13

Recent flights last 6

DateFlightRouteTakeoffLandingDuration
2026-04-14 AZU2026 - Apr 14, 10:00 UTCApr 14, 10:35 UTC35m
2026-04-14 AZU2026 - Apr 14, 08:10 UTCApr 14, 09:05 UTC55m
2026-04-13 AZU2025 - Apr 13, 15:50 UTCApr 13, 16:05 UTC15m
2026-04-13 AZU2025 - Apr 13, 13:55 UTCApr 13, 16:05 UTC2h 10m
2026-04-12 AZU2094 SCL → VCP Apr 12, 20:05 UTCApr 12, 20:15 UTC10m
2026-04-12 AZU2094 SCL → VCP Apr 12, 18:45 UTCApr 12, 18:55 UTC10m

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 PS-AJB page for operator, model, and routing details .

Mode-S E4A13C frequently asked

What is Mode-S code E4A13C?
E4A13C is an ICAO 24-bit transponder address. Allocated to Brazil. Assigned to PS-AJB.
Where is Mode-S E4A13C registered?
Mode-S code E4A13C is allocated to Brazil (BR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is E4A13C broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex E4A13C, octal 71120474, decimal 14,983,484.
What flights does E4A13C operate?
Mode-S E4A13C has broadcast 3 distinct callsigns, including AZU2094, AZU2026, AZU2025.