sensors Mode-S transponder

100000

ICAO 24-bit transponder address · allocated to Russia

Hex
100000
Octal
04000000
Decimal
1,048,576
Country
RU
No current signal · last broadcast 10h ago
Flights observed
164
Distinct callsigns
20
Country
RU
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 100000.

Country allocation

The ICAO 24-bit address 100000 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
ZUFSL - 46 2026-06-01
FJMIZ - 21 2026-07-12
YRARK - 17 2026-07-11
YRARG - 15 2026-05-31
YRARH - 11 2026-07-03
XBAHE - 10 2026-07-06
I9719 - 7 2026-06-27
IE899 - 6 2026-07-11
ID034 - 5 2026-06-21
ZSNVN - 4 2026-07-09
YR5752 - 4 2026-06-28
PHIKA - 4 2026-05-28
IE954 - 3 2026-07-14
IA677 - 3 2026-06-25
ZZZZZZZZ - 2 2026-06-30
DGOTT - 2 2026-06-13
ZUWMM - 1 2026-07-13
RA04061 - 1 2026-05-01
DMBUE - 1 2026-04-18
CICARE7B - 1 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 IE954 - Jul 14, 12:10 UTCJul 14, 12:35 UTC25m
2026-07-14 IE954 - Jul 14, 06:35 UTCJul 14, 07:05 UTC30m
2026-07-13 ZUWMM - Jul 13, 05:20 UTCJul 13, 05:50 UTC30m
2026-07-12 FJMIZ - Jul 12, 09:30 UTCJul 12, 09:45 UTC15m
2026-07-11 IE899 - Jul 11, 10:05 UTCJul 11, 10:30 UTC25m
2026-07-11 YRARK - Jul 11, 09:10 UTCJul 11, 09:20 UTC10m
2026-07-10 YRARK - Jul 10, 12:45 UTCJul 10, 14:10 UTC1h 25m
2026-07-09 ZSNVN - Jul 9, 08:40 UTCJul 9, 08:50 UTC10m
2026-07-06 XBAHE - Jul 6, 17:55 UTCJul 6, 18:45 UTC50m
2026-07-05 IE899 - Jul 5, 06:55 UTCJul 5, 10:55 UTC4h 0m
2026-07-04 FJMIZ - Jul 4, 13:10 UTCJul 4, 13:30 UTC20m
2026-07-03 XBAHE - Jul 3, 15:15 UTCJul 3, 16:15 UTC1h 0m
2026-07-03 FJMIZ - Jul 3, 14:15 UTCJul 3, 14:35 UTC20m
2026-07-03 YRARH - Jul 3, 08:35 UTCJul 3, 09:10 UTC35m
2026-07-02 IE899 - Jul 2, 05:20 UTCJul 2, 06:55 UTC1h 35m
2026-07-01 CICARE7B - Jul 1, 12:00 UTCJul 1, 12:10 UTC10m
2026-06-30 FJMIZ - Jun 30, 13:55 UTCJun 30, 14:55 UTC1h 0m
2026-06-30 ZZZZZZZZ - Jun 30, 07:35 UTCJun 30, 08:20 UTC45m
2026-06-28 XBAHE - Jun 28, 15:09 UTCJun 28, 15:34 UTC25m
2026-06-28 ZSNVN - Jun 28, 09:25 UTCJun 28, 11:55 UTC2h 30m
2026-06-28 YRARK - Jun 28, 08:00 UTCJun 28, 08:39 UTC40m
2026-06-28 YR5752 - Jun 28, 06:40 UTCJun 28, 06:49 UTC10m
2026-06-28 YR5752 - Jun 28, 05:55 UTCJun 28, 06:05 UTC10m
2026-06-27 I9719 - Jun 27, 09:55 UTCJun 27, 11:25 UTC1h 30m
2026-06-27 YRARK - Jun 27, 07:15 UTCJun 27, 08:14 UTC1h 0m
2026-06-27 YR5752 - Jun 27, 06:19 UTCJun 27, 06:30 UTC10m
2026-06-26 YRARK - Jun 26, 07:55 UTCJun 26, 09:55 UTC2h 0m
2026-06-25 IA677 - Jun 25, 05:44 UTCJun 25, 09:34 UTC3h 50m
2026-06-23 FJMIZ - Jun 23, 08:09 UTCJun 23, 09:40 UTC1h 30m
2026-06-23 IA677 - Jun 23, 06:44 UTCJun 23, 07:35 UTC50m
2026-06-21 ID034 - Jun 21, 16:19 UTCJun 21, 17:05 UTC45m
2026-06-21 ID034 - Jun 21, 14:40 UTCJun 21, 15:25 UTC45m
2026-06-21 YRARH - Jun 21, 07:29 UTCJun 21, 09:49 UTC2h 20m
2026-06-20 I9719 - Jun 20, 13:39 UTCJun 20, 14:44 UTC1h 5m
2026-06-20 IE954 - Jun 20, 05:04 UTCJun 20, 09:39 UTC4h 35m
2026-06-19 XBAHE - Jun 19, 16:04 UTCJun 19, 16:09 UTC5m
2026-06-19 XBAHE - Jun 19, 15:49 UTCJun 19, 15:59 UTC10m
2026-06-19 XBAHE - Jun 19, 15:24 UTCJun 19, 15:44 UTC20m
2026-06-19 ID034 - Jun 19, 14:34 UTCJun 19, 15:19 UTC45m
2026-06-18 YRARH - Jun 18, 10:15 UTCJun 18, 10:50 UTC35m
2026-06-18 FJMIZ - Jun 18, 09:10 UTCJun 18, 09:45 UTC35m
2026-06-17 YRARH - Jun 17, 08:55 UTCJun 17, 09:50 UTC55m
2026-06-16 FJMIZ - Jun 16, 08:15 UTCJun 16, 09:30 UTC1h 15m
2026-06-15 ZSNVN - Jun 15, 12:39 UTCJun 15, 13:15 UTC35m
2026-06-15 FJMIZ - Jun 15, 08:49 UTCJun 15, 09:35 UTC45m
2026-06-14 YRARH AOC → AOC Jun 14, 07:10 UTCJun 14, 08:35 UTC1h 25m
2026-06-13 DGOTT - Jun 13, 13:05 UTCJun 13, 16:55 UTC3h 50m
2026-06-13 YRARK - Jun 13, 07:50 UTCJun 13, 12:20 UTC4h 30m
2026-06-12 IE899 - Jun 12, 19:10 UTCJun 12, 19:25 UTC15m
2026-06-12 FJMIZ - Jun 12, 13:05 UTCJun 12, 13:50 UTC45m

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.

Mode-S 100000 frequently asked

What is Mode-S code 100000?
100000 is an ICAO 24-bit transponder address. Allocated to Russia.
Where is Mode-S 100000 registered?
Mode-S code 100000 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 100000 broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 100000, octal 04000000, decimal 1,048,576.
What flights does 100000 operate?
Mode-S 100000 has broadcast 20 distinct callsigns, including ZUFSL, FJMIZ, YRARK, YRARG, YRARH.