Apparatus

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sensors Mode-S transponder

E4A403

ICAO 24-bit transponder address · allocated to Brazil

Currently assigned to PR-AEV · AIRBUS HELICOPTERS EC-145

Hex
E4A403
Octal
71122003
Decimal
14,984,195
Country
BR
Tail
PR-AEV
Type
EC45
No current signal · last broadcast 21d ago
Flights observed
143
Distinct callsigns
1
Country
BR
Last broadcast
21d ago

Last known position

Most recent position reported by Mode-S E4A403.

Country allocation

The ICAO 24-bit address E4A403 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 1 distinct

Callsign Airline Flights Last seen
PRAEV - 143 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 PRAEV - Jul 23, 17:40 UTCJul 23, 17:50 UTC10m
2026-07-23 PRAEV - Jul 23, 16:40 UTCJul 23, 16:50 UTC10m
2026-07-23 PRAEV - Jul 23, 12:10 UTCJul 23, 12:30 UTC20m
2026-07-23 PRAEV - Jul 23, 11:25 UTCJul 23, 11:35 UTC10m
2026-07-22 PRAEV - Jul 22, 14:40 UTCJul 22, 15:05 UTC25m
2026-07-22 PRAEV - Jul 22, 13:40 UTCJul 22, 13:55 UTC15m
2026-07-16 PRAEV FOR → FOR Jul 16, 16:30 UTCJul 16, 17:05 UTC35m
2026-07-15 PRAEV - Jul 15, 14:40 UTCJul 15, 14:50 UTC10m
2026-07-15 PRAEV - Jul 15, 13:35 UTCJul 15, 13:45 UTC10m
2026-07-14 PRAEV - Jul 14, 17:35 UTCJul 14, 17:45 UTC10m
2026-07-14 PRAEV - Jul 14, 16:45 UTCJul 14, 17:00 UTC15m
2026-07-14 PRAEV - Jul 14, 13:30 UTCJul 14, 13:40 UTC10m
2026-07-14 PRAEV - Jul 14, 11:05 UTCJul 14, 11:15 UTC10m
2026-07-09 PRAEV - Jul 9, 14:40 UTCJul 9, 15:05 UTC25m
2026-07-09 PRAEV - Jul 9, 13:35 UTCJul 9, 13:45 UTC10m
2026-07-09 PRAEV - Jul 9, 11:55 UTCJul 9, 12:15 UTC20m
2026-07-09 PRAEV - Jul 9, 11:05 UTCJul 9, 11:20 UTC15m
2026-07-08 PRAEV - Jul 8, 11:40 UTCJul 8, 11:50 UTC10m
2026-07-08 PRAEV - Jul 8, 10:40 UTCJul 8, 10:50 UTC10m
2026-07-04 PRAEV - Jul 4, 18:30 UTCJul 4, 18:40 UTC10m
2026-07-03 PRAEV - Jul 3, 12:45 UTCJul 3, 12:55 UTC10m
2026-07-03 PRAEV - Jul 3, 11:40 UTCJul 3, 11:50 UTC10m
2026-07-02 PRAEV - Jul 2, 13:50 UTCJul 2, 14:00 UTC10m
2026-07-02 PRAEV - Jul 2, 12:55 UTCJul 2, 13:10 UTC15m
2026-07-02 PRAEV - Jul 2, 10:45 UTCJul 2, 11:00 UTC15m
2026-07-01 PRAEV - Jul 1, 20:00 UTCJul 1, 20:10 UTC10m
2026-07-01 PRAEV - Jul 1, 19:10 UTCJul 1, 19:25 UTC15m
2026-07-01 PRAEV - Jul 1, 11:45 UTCJul 1, 11:55 UTC10m
2026-07-01 PRAEV - Jul 1, 10:55 UTCJul 1, 11:05 UTC10m
2026-06-30 PRAEV - Jun 30, 15:05 UTCJun 30, 15:20 UTC15m
2026-06-30 PRAEV - Jun 30, 14:05 UTCJun 30, 14:15 UTC10m
2026-06-30 PRAEV - Jun 30, 12:10 UTCJun 30, 12:35 UTC25m
2026-06-30 PRAEV - Jun 30, 11:10 UTCJun 30, 11:20 UTC10m
2026-06-29 PRAEV FOR → FOR Jun 29, 12:00 UTCJun 29, 12:29 UTC30m
2026-06-27 PRAEV - Jun 27, 11:25 UTCJun 27, 11:44 UTC20m
2026-06-25 PRAEV - Jun 25, 17:34 UTCJun 25, 17:54 UTC20m
2026-06-25 PRAEV - Jun 25, 16:35 UTCJun 25, 16:50 UTC15m
2026-06-25 PRAEV - Jun 25, 14:20 UTCJun 25, 14:29 UTC10m
2026-06-25 PRAEV - Jun 25, 13:29 UTCJun 25, 13:45 UTC15m
2026-06-25 PRAEV - Jun 25, 11:59 UTCJun 25, 12:10 UTC10m
2026-06-25 PRAEV - Jun 25, 11:04 UTCJun 25, 11:15 UTC10m
2026-06-24 PRAEV - Jun 24, 14:29 UTCJun 24, 14:55 UTC25m
2026-06-24 PRAEV - Jun 24, 13:40 UTCJun 24, 13:50 UTC10m
2026-06-24 PRAEV - Jun 24, 12:09 UTCJun 24, 12:20 UTC10m
2026-06-24 PRAEV - Jun 24, 11:05 UTCJun 24, 11:14 UTC10m
2026-06-19 PRAEV - Jun 19, 20:04 UTCJun 19, 20:34 UTC30m
2026-06-19 PRAEV - Jun 19, 19:14 UTCJun 19, 19:25 UTC10m
2026-06-18 PRAEV - Jun 18, 19:15 UTCJun 18, 20:20 UTC1h 5m
2026-06-18 PRAEV - Jun 18, 14:30 UTCJun 18, 14:45 UTC15m
2026-06-18 PRAEV - Jun 18, 13:45 UTCJun 18, 13:55 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 PR-AEV page for operator, model, and routing details .

Mode-S E4A403 frequently asked

What is Mode-S code E4A403?
E4A403 is an ICAO 24-bit transponder address. Allocated to Brazil. Assigned to PR-AEV.
Where is Mode-S E4A403 registered?
Mode-S code E4A403 is allocated to Brazil (BR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is E4A403 broadcasting right now?
No active broadcast right now. Last signal was 21d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex E4A403, octal 71122003, decimal 14,984,195.
What flights does E4A403 operate?
Mode-S E4A403 has broadcast 1 distinct callsign, including PRAEV.