Apparatus

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sensors Mode-S transponder

48E87F

ICAO 24-bit transponder address · allocated to Poland

Currently assigned to SP-ESM · BOEING 737-800

Hex
48E87F
Octal
22164177
Decimal
4,778,111
Country
PL
Tail
SP-ESM
Type
B738
Broadcasting now · callsign ENT1664 · 38,000 ft
Flights observed
139
Distinct callsigns
20
Country
PL
Last broadcast
1h ago

Current position

48E87F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 48E87F falls within the block assigned to Poland (PL) by ICAO Annex 10, Volume III. Every aircraft registered in Poland 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 20 distinct

Callsign Airline Flights Last seen
ENT704P - 2 2026-04-13
ENT7033 DAT Enterprise Limited 2 2026-06-11
ENT537M - 2 2026-05-07
ENT4NP - 2 2026-04-15
ENT3NW - 2 2026-05-30
ENT2ZE - 2 2026-04-17
ENT1039 - 2 2026-06-12
ENT9TP - 1 2026-05-16
ENT9SJ - 1 2026-05-05
ENT9LJ - 1 2026-04-22
ENT9HX - 1 2026-04-24
ENT9GX - 1 2026-06-09
ENT999 DAT Enterprise Limited 1 2026-04-26
ENT998P - 1 2026-05-04
ENT992P - 1 2026-04-27
ENT991 - 1 2026-04-23
ENT937P - 1 2026-05-07
ENT8XJ - 1 2026-04-24
ENT8XH - 1 2026-05-10
ENT8TP - 1 2026-05-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-13 ENT1664 - Jun 13, 05:35 UTCJun 13, 05:45 UTC10m
2026-06-12 ENT1047 - Jun 12, 22:10 UTCJun 13, 04:20 UTC6h 10m
2026-06-12 ENT1039 - Jun 12, 19:00 UTCJun 12, 20:35 UTC1h 35m
2026-06-12 ENT8RK OSL → GDN Jun 12, 09:30 UTCJun 12, 16:45 UTC7h 15m
2026-06-12 ENT5HY - Jun 12, 07:20 UTCJun 12, 08:30 UTC1h 10m
2026-06-11 ENT7033 RZE → AYT Jun 11, 15:55 UTCJun 12, 01:50 UTC9h 55m
2026-06-10 ENT4886 - Jun 10, 21:50 UTCJun 11, 11:20 UTC13h 30m
2026-06-10 ENT3UN - Jun 10, 17:45 UTCJun 10, 20:45 UTC3h 0m
2026-06-10 ENT7554 - Jun 10, 13:35 UTCJun 10, 16:35 UTC3h 0m
2026-06-10 ENT7553 - Jun 10, 09:20 UTCJun 10, 12:20 UTC3h 0m
2026-06-10 ENT1XT - Jun 10, 05:25 UTCJun 10, 08:10 UTC2h 45m
2026-06-10 ENT3XE - Jun 10, 00:50 UTCJun 10, 03:35 UTC2h 45m
2026-06-09 ENT9GX - Jun 9, 19:15 UTCJun 9, 21:00 UTC1h 45m
2026-06-09 ENT6PU LPA → WAW Jun 9, 16:45 UTCJun 9, 18:00 UTC1h 15m
2026-06-09 ENT8AS - Jun 9, 12:15 UTCJun 9, 14:55 UTC2h 40m
2026-06-09 ENT2ED - Jun 9, 08:45 UTCJun 9, 11:15 UTC2h 30m
2026-06-09 ENT4108 ADB → GDN Jun 9, 04:40 UTCJun 9, 07:20 UTC2h 40m
2026-06-09 ENT4107 - Jun 9, 01:45 UTCJun 9, 03:30 UTC1h 45m
2026-06-08 ENT7016 RKT → CMB Jun 8, 06:45 UTCJun 8, 08:40 UTC1h 55m
2026-06-08 ENT7015 - Jun 8, 03:15 UTCJun 8, 04:55 UTC1h 40m
2026-06-07 ENT1054 - Jun 7, 20:25 UTCJun 7, 23:25 UTC3h 0m
2026-06-07 ENT7557 POZ → AYT Jun 7, 16:25 UTCJun 7, 19:10 UTC2h 45m
2026-06-07 ENT7558 - Jun 7, 12:25 UTCJun 7, 15:20 UTC2h 55m
2026-06-07 ENT1053 - Jun 7, 08:20 UTCJun 7, 11:20 UTC3h 0m
2026-06-07 ENT1ZB - Jun 7, 04:15 UTCJun 7, 07:15 UTC3h 0m
2026-06-06 ENT7548 - Jun 6, 10:50 UTCJun 7, 03:00 UTC16h 10m
2026-06-06 ENT7760 - Jun 6, 06:15 UTCJun 6, 09:30 UTC3h 15m
2026-06-06 ENT7759 - Jun 6, 01:10 UTCJun 6, 04:30 UTC3h 20m
2026-06-05 ENT1040 - Jun 5, 22:20 UTCJun 5, 23:55 UTC1h 35m
2026-06-05 ENT1039 - Jun 5, 18:45 UTCJun 5, 20:35 UTC1h 50m
2026-06-05 ENT4226 - Jun 5, 15:00 UTCJun 5, 17:35 UTC2h 35m
2026-06-05 ENT4225 - Jun 5, 11:10 UTCJun 5, 13:40 UTC2h 30m
2026-06-04 ENT7033 RZE → AYT Jun 4, 15:55 UTCJun 5, 01:55 UTC10h 0m
2026-06-04 ENT4048 - Jun 4, 01:50 UTCJun 4, 11:55 UTC10h 5m
2026-06-03 ENT8BC - Jun 3, 22:00 UTCJun 4, 00:40 UTC2h 40m
2026-06-03 ENT2RB - Jun 3, 17:40 UTCJun 3, 20:30 UTC2h 50m
2026-06-03 ENT4GT - Jun 3, 13:40 UTCJun 3, 16:10 UTC2h 30m
2026-06-03 ENT7JK - Jun 3, 10:25 UTCJun 3, 12:35 UTC2h 10m
2026-06-02 ENT1156 - Jun 2, 16:10 UTCJun 3, 01:25 UTC9h 15m
2026-06-02 ENT4866 - Jun 2, 02:40 UTCJun 2, 11:50 UTC9h 10m
2026-06-01 ENT4010 - Jun 1, 14:00 UTCJun 1, 16:30 UTC2h 30m
2026-06-01 ENT4215 - Jun 1, 10:00 UTCJun 1, 12:35 UTC2h 35m
2026-06-01 ENT4216 - Jun 1, 03:50 UTCJun 1, 06:35 UTC2h 45m
2026-06-01 ENT4009 WAW → HRG Jun 1, 00:10 UTCJun 1, 02:35 UTC2h 25m
2026-05-31 ENT5442 - May 31, 15:00 UTCMay 31, 16:35 UTC1h 35m
2026-05-31 ENT5771 - May 31, 12:00 UTCMay 31, 13:35 UTC1h 35m
2026-05-31 ENT5772 - May 31, 09:10 UTCMay 31, 11:05 UTC1h 55m
2026-05-30 ENT2073 - May 30, 17:20 UTCMay 31, 01:11 UTC7h 51m
2026-05-30 ENT2KS - May 30, 14:30 UTCMay 30, 16:05 UTC1h 35m
2026-05-30 ENT3WT HEL → HEL May 30, 06:30 UTCMay 30, 13:10 UTC6h 40m

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 SP-ESM page for operator, model, and routing details .

Mode-S 48E87F frequently asked

What is Mode-S code 48E87F?
48E87F is an ICAO 24-bit transponder address. Allocated to Poland. Assigned to SP-ESM.
Where is Mode-S 48E87F registered?
Mode-S code 48E87F is allocated to Poland (PL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 48E87F broadcasting right now?
Yes. Mode-S 48E87F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 48E87F, octal 22164177, decimal 4,778,111.
What flights does 48E87F operate?
Mode-S 48E87F has broadcast 20 distinct callsigns, including ENT704P, ENT7033, ENT537M, ENT4NP, ENT3NW.