Apparatus

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sensors Mode-S transponder

140AB4

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-02740 · EMBRAER ERJ-190-100

Hex
140AB4
Octal
05005264
Decimal
1,313,460
Country
RU
Tail
RA-02740
Type
E190
No current signal · last broadcast Jul 26, 17:20 UTC
Flights observed
101
Distinct callsigns
20
Country
RU
Last broadcast
Jul 26, 17:20 UTC

Last known position

Most recent position reported by Mode-S 140AB4.

Country allocation

The ICAO 24-bit address 140AB4 falls within the block assigned to Russia (RU) by ICAO Annex 10, Volume III. Every aircraft registered in Russia 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
KAR984 Kar-Air 10 2026-07-02
KAR347 Kar-Air 10 2026-07-21
KAR1294 Kar-Air 6 2026-07-20
KAR436 Kar-Air 5 2026-06-03
KAR395 Kar-Air 5 2026-06-01
KAR983 Kar-Air 4 2026-06-27
KAR857 Kar-Air 4 2026-07-26
KAR432 - 4 2026-06-22
KAR394 Kar-Air 4 2026-05-10
KAR269 Kar-Air 4 2026-05-06
KAR1293 - 4 2026-07-04
KAR861 - 3 2026-06-27
KAR519 Kar-Air 3 2026-05-12
KAR435 - 3 2026-07-24
KAR104 - 3 2026-07-04
KAR103 - 3 2026-06-05
KAR953 Kar-Air 2 2026-06-22
KAR858 Kar-Air 2 2026-07-02
KAR775 Kar-Air 2 2026-07-17
KAR733 - 2 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KAR857 KGD → GSV Jul 26, 14:25 UTCJul 26, 17:20 UTC2h 55m
2026-07-26 KAR862 VOG → KGD Jul 26, 05:05 UTCJul 26, 12:40 UTC7h 36m
2026-07-24 KAR435 - Jul 24, 12:40 UTCJul 24, 13:10 UTC30m
2026-07-21 KAR347 LED → KRO Jul 21, 23:40 UTCJul 22, 11:25 UTC11h 45m
2026-07-20 KAR1294 SUI → SVO Jul 20, 07:40 UTCJul 20, 08:00 UTC20m
2026-07-18 KAR776 SGC → KZN Jul 18, 00:50 UTCJul 18, 01:00 UTC10m
2026-07-17 KAR775 KZN → SGC Jul 17, 09:45 UTCJul 17, 20:25 UTC10h 40m
2026-07-16 KAR733 - Jul 16, 07:25 UTCJul 16, 07:50 UTC25m
2026-07-14 KAR759 - Jul 14, 22:55 UTCJul 15, 08:15 UTC9h 20m
2026-07-14 KAR775 KZN → SGC Jul 14, 14:30 UTCJul 14, 15:00 UTC30m
2026-07-13 KAR6509 - Jul 13, 00:20 UTCJul 13, 01:10 UTC50m
2026-07-05 KAR733 - Jul 5, 14:00 UTCJul 5, 18:35 UTC4h 35m
2026-07-04 KAR1293 - Jul 4, 14:35 UTCJul 4, 14:45 UTC10m
2026-07-04 KAR104 - Jul 4, 08:25 UTCJul 4, 10:15 UTC1h 50m
2026-07-02 KAR984 KGD → IWA Jul 2, 18:20 UTCJul 2, 19:00 UTC40m
2026-07-02 KAR858 GSV → KGD Jul 2, 14:05 UTCJul 2, 16:20 UTC2h 15m
2026-07-02 KAR857 - Jul 2, 09:35 UTCJul 2, 11:20 UTC1h 45m
2026-06-30 KAR6502 - Jun 30, 18:20 UTCJun 30, 18:30 UTC10m
2026-06-27 KAR861 - Jun 27, 16:14 UTCJun 27, 17:25 UTC1h 10m
2026-06-27 KAR983 IWA → KGD Jun 27, 10:50 UTCJun 27, 13:00 UTC2h 10m
2026-06-27 KAR984 KGD → IWA Jun 27, 07:39 UTCJun 27, 09:24 UTC1h 45m
2026-06-24 KAR984 KGD → IWA Jun 24, 14:00 UTCJun 24, 15:24 UTC1h 25m
2026-06-22 KAR953 MCX → IJK Jun 22, 23:20 UTCJun 23, 11:19 UTC12h 0m
2026-06-22 KAR432 - Jun 22, 10:30 UTCJun 22, 10:44 UTC15m
2026-06-19 KAR2002 - Jun 19, 14:39 UTCJun 19, 19:49 UTC5h 10m
2026-06-16 KAR984 KGD → IWA Jun 16, 22:55 UTCJun 17, 15:46 UTC16h 50m
2026-06-14 KAR106 - Jun 14, 16:00 UTCJun 14, 17:05 UTC1h 5m
2026-06-14 KAR105 - Jun 14, 12:15 UTCJun 14, 14:00 UTC1h 45m
2026-06-13 KAR1293 SVO → SUI Jun 13, 12:05 UTCJun 13, 15:50 UTC3h 45m
2026-06-10 KAR1294 - Jun 10, 10:10 UTCJun 10, 10:35 UTC25m
2026-06-10 KAR1294 - Jun 10, 08:10 UTCJun 10, 08:25 UTC15m
2026-06-10 KAR1293 SVO → SUI Jun 10, 03:50 UTCJun 10, 04:10 UTC20m
2026-06-09 KAR983 IWA → KGD Jun 9, 00:45 UTCJun 9, 11:50 UTC11h 5m
2026-06-08 KAR953 MCX → IJK Jun 8, 21:00 UTCJun 8, 21:35 UTC35m
2026-06-07 KAR984 KGD → IWA Jun 7, 13:45 UTCJun 7, 14:50 UTC1h 5m
2026-06-07 KAR861 KGD → VOG Jun 7, 04:40 UTCJun 7, 12:05 UTC7h 25m
2026-06-06 KAR861 KGD → VOG Jun 6, 15:05 UTCJun 7, 12:05 UTC21h 0m
2026-06-06 KAR954 IJK → MCX Jun 6, 00:40 UTCJun 6, 01:00 UTC20m
2026-06-05 KAR984 KGD → IWA Jun 5, 12:15 UTCJun 5, 13:45 UTC1h 30m
2026-06-05 KAR103 - Jun 5, 10:10 UTCJun 5, 10:55 UTC45m
2026-06-05 KAR103 - Jun 5, 08:40 UTCJun 5, 09:10 UTC30m
2026-06-04 KAR6505 AER → SVO Jun 4, 07:05 UTCJun 4, 07:15 UTC10m
2026-06-03 KAR436 OSW → AER Jun 3, 11:10 UTCJun 3, 17:00 UTC5h 50m
2026-06-02 KAR347 LED → KRO Jun 2, 14:25 UTCJun 3, 08:10 UTC17h 45m
2026-06-02 KAR347 LED → KRO Jun 2, 10:15 UTCJun 3, 08:10 UTC21h 55m
2026-06-01 KAR347 LED → KRO Jun 1, 23:55 UTCJun 2, 21:45 UTC21h 50m
2026-06-01 KAR395 LED → IWA Jun 1, 05:25 UTCJun 1, 06:10 UTC45m
2026-05-30 KAR347 LED → KRO May 30, 06:20 UTCMay 31, 00:35 UTC18h 15m
2026-05-29 KAR396 IWA → LED May 29, 18:00 UTCMay 30, 06:30 UTC12h 30m
2026-05-29 KAR395 LED → IWA May 29, 15:30 UTCMay 29, 16:25 UTC55m

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 RA-02740 page for operator, model, and routing details .

Mode-S 140AB4 frequently asked

What is Mode-S code 140AB4?
140AB4 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-02740.
Where is Mode-S 140AB4 registered?
Mode-S code 140AB4 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 140AB4 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 17:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 140AB4, octal 05005264, decimal 1,313,460.
What flights does 140AB4 operate?
Mode-S 140AB4 has broadcast 20 distinct callsigns, including KAR984, KAR347, KAR1294, KAR436, KAR395.