sensors Mode-S transponder

E4988B

ICAO 24-bit transponder address · allocated to Brazil

Currently assigned to PS-GPM · BOEING 737 MAX 8

Hex
E4988B
Octal
71114213
Decimal
14,981,259
Country
BR
Tail
PS-GPM
Type
B38M
No current signal · last broadcast 2h ago
Flights observed
26
Distinct callsigns
19
Country
BR
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S E4988B.

Country allocation

The ICAO 24-bit address E4988B 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 19 distinct

Recent flights last 26

DateFlightRouteTakeoffLandingDuration
2026-04-18 GLO1516 GIG → VCP Apr 18, 18:10 UTCApr 18, 20:55 UTC2h 45m
2026-04-18 GLO1234 GRU → NVT Apr 18, 12:25 UTCApr 18, 16:15 UTC3h 50m
2026-04-18 GLO1697 SSA → CGH Apr 18, 03:00 UTCApr 18, 10:30 UTC7h 30m
2026-04-18 GLO2056 GIG → POA Apr 18, 01:25 UTCApr 18, 02:05 UTC40m
2026-04-17 GLO2056 GIG → POA Apr 17, 23:25 UTCApr 18, 01:20 UTC1h 55m
2026-04-17 GLO2071 BSB → SDU Apr 17, 21:25 UTCApr 17, 21:45 UTC20m
2026-04-17 GLO2071 BSB → SDU Apr 17, 20:45 UTCApr 17, 21:20 UTC35m
2026-04-17 GLO1256 CGH → FLN Apr 17, 18:45 UTCApr 17, 19:10 UTC25m
2026-04-17 GLO1409 BSB → GRU Apr 17, 16:15 UTCApr 17, 17:10 UTC55m
2026-04-17 GLO1406 - Apr 17, 13:20 UTCApr 17, 13:35 UTC15m
2026-04-17 GLO1406 - Apr 17, 12:50 UTCApr 17, 13:15 UTC25m
2026-04-17 GLO1273 NVT → CGH Apr 17, 10:40 UTCApr 17, 11:15 UTC35m
2026-04-16 GLO1284 CGH → NVT Apr 16, 22:00 UTCApr 16, 22:50 UTC50m
2026-04-16 GLO1437 BPS → CGH Apr 16, 19:40 UTCApr 16, 20:20 UTC40m
2026-04-16 GLO1434 CGH → GYN Apr 16, 17:15 UTCApr 16, 17:25 UTC10m
2026-04-16 GLO1434 CGH → GYN Apr 16, 16:40 UTCApr 16, 17:10 UTC30m
2026-04-16 GLO1277 FLN → GRU Apr 16, 14:25 UTCApr 16, 15:10 UTC45m
2026-04-16 GLO1272 CGH → NAT Apr 16, 11:20 UTCApr 16, 12:09 UTC50m
2026-04-16 GLO1347 GIG → CGH Apr 16, 09:10 UTCApr 16, 09:54 UTC45m
2026-04-16 GLO1347 GIG → CGH Apr 16, 08:40 UTCApr 16, 09:05 UTC25m
2026-04-16 GLO1858 GIG → VIX Apr 16, 02:15 UTCApr 16, 03:00 UTC45m
2026-04-15 GLO2055 NAT → GIG Apr 15, 23:10 UTCApr 15, 23:45 UTC35m
2026-04-15 GLO2055 NAT → GIG Apr 15, 22:25 UTCApr 15, 23:00 UTC35m
2026-04-15 GLO2055 NAT → GIG Apr 15, 20:30 UTCApr 15, 20:55 UTC25m
2026-04-15 GLO1990 GIG → IGU Apr 15, 18:40 UTCApr 15, 19:00 UTC20m
2026-04-15 GLO1976 BSB → GIG Apr 15, 11:00 UTCApr 15, 12:50 UTC1h 50m

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-GPM page for operator, model, and routing details .

Mode-S E4988B frequently asked

What is Mode-S code E4988B?
E4988B is an ICAO 24-bit transponder address. Allocated to Brazil. Assigned to PS-GPM.
Where is Mode-S E4988B registered?
Mode-S code E4988B is allocated to Brazil (BR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is E4988B broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex E4988B, octal 71114213, decimal 14,981,259.
What flights does E4988B operate?
Mode-S E4988B has broadcast 19 distinct callsigns, including GLO2055, GLO2071, GLO2056, GLO1434, GLO1406.