Apparatus

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sensors Mode-S transponder

02A1A9

ICAO 24-bit transponder address · allocated to Tunisia

Hex
02A1A9
Octal
00520651
Decimal
172,457
Country
TN
No current signal · last broadcast 23d ago
Flights observed
317
Distinct callsigns
20
Country
TN
Last broadcast
23d ago

Last known position

Most recent position reported by Mode-S 02A1A9.

Country allocation

The ICAO 24-bit address 02A1A9 falls within the block assigned to Tunisia (TN) by ICAO Annex 10, Volume III. Every aircraft registered in Tunisia 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
LBT520 Nouvelair 19 2026-07-23
LBT521 Nouvelair 17 2026-07-23
LBT587 Nouvelair 11 2026-07-25
LBT731 Nouvelair 10 2026-07-24
LBT730 Nouvelair 10 2026-07-24
LBT641 Nouvelair 10 2026-07-26
LBT640 Nouvelair 9 2026-07-26
LBT586 Nouvelair 8 2026-07-25
LBT184 Nouvelair 8 2026-07-23
LBT599 - 7 2026-07-08
LBT517 - 7 2026-06-27
LBT510 Nouvelair 7 2026-07-25
LBT185 Nouvelair 7 2026-07-23
LBT844 - 6 2026-07-16
LBT714 Nouvelair 6 2026-07-23
LBT691 Nouvelair 6 2026-07-20
LBT690 Nouvelair 6 2026-07-20
LBT598 - 6 2026-07-08
LBT516 - 6 2026-06-27
LBT233 Nouvelair 6 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 LBT180 TUN → RBA Jul 26, 18:45 UTCJul 26, 21:10 UTC2h 25m
2026-07-26 LBT281 MUC → TUN Jul 26, 15:40 UTCJul 26, 17:25 UTC1h 45m
2026-07-26 LBT280 TUN → MUC Jul 26, 12:35 UTCJul 26, 14:15 UTC1h 40m
2026-07-26 LBT641 IST → TUN Jul 26, 08:35 UTCJul 26, 10:55 UTC2h 20m
2026-07-26 LBT640 TUN → IST Jul 26, 04:35 UTCJul 26, 06:40 UTC2h 6m
2026-07-25 LBT789 LYS → TUN Jul 25, 22:10 UTCJul 25, 23:40 UTC1h 30m
2026-07-25 LBT788 TUN → LYS Jul 25, 19:15 UTCJul 25, 20:50 UTC1h 35m
2026-07-25 LBT587 NCE → TUN Jul 25, 16:20 UTCJul 25, 17:20 UTC1h 0m
2026-07-25 LBT586 TUN → NCE Jul 25, 13:30 UTCJul 25, 14:35 UTC1h 5m
2026-07-25 LBT511 CDG → TUN Jul 25, 10:05 UTCJul 25, 11:50 UTC1h 45m
2026-07-25 LBT510 TUN → CDG Jul 25, 06:35 UTCJul 25, 08:30 UTC1h 55m
2026-07-24 LBT587 NCE → TUN Jul 24, 21:45 UTCJul 24, 22:30 UTC45m
2026-07-24 LBT586 TUN → NCE Jul 24, 19:05 UTCJul 24, 20:15 UTC1h 10m
2026-07-24 LBT731 CDG → TUN Jul 24, 15:25 UTCJul 24, 17:20 UTC1h 55m
2026-07-24 LBT730 TUN → CDG Jul 24, 11:50 UTCJul 24, 14:05 UTC2h 15m
2026-07-24 LBT207 - Jul 24, 08:20 UTCJul 24, 10:20 UTC2h 0m
2026-07-24 LBT206 TUN → DUS Jul 24, 04:45 UTCJul 24, 07:05 UTC2h 20m
2026-07-23 LBT521 CDG → TUN Jul 23, 20:45 UTCJul 23, 22:35 UTC1h 50m
2026-07-23 LBT520 TUN → CDG Jul 23, 17:15 UTCJul 23, 19:25 UTC2h 10m
2026-07-23 LBT715 TLS → TUN Jul 23, 14:20 UTCJul 23, 15:35 UTC1h 15m
2026-07-23 LBT714 TUN → TLS Jul 23, 11:25 UTCJul 23, 13:05 UTC1h 40m
2026-07-23 LBT185 GVA → TUN Jul 23, 08:25 UTCJul 23, 09:50 UTC1h 25m
2026-07-23 LBT184 TUN → GVA Jul 23, 05:25 UTCJul 23, 07:00 UTC1h 35m
2026-07-22 LBT521 CDG → TUN Jul 22, 21:50 UTCJul 22, 23:30 UTC1h 40m
2026-07-22 LBT520 TUN → CDG Jul 22, 18:15 UTCJul 22, 20:20 UTC2h 5m
2026-07-22 LBT233 BER → TUN Jul 22, 14:25 UTCJul 22, 16:30 UTC2h 5m
2026-07-22 LBT232 - Jul 22, 10:20 UTCJul 22, 11:50 UTC1h 30m
2026-07-22 LBT534 TUN → NCE Jul 22, 04:30 UTCJul 22, 05:25 UTC55m
2026-07-21 LBT587 - Jul 21, 20:55 UTCJul 21, 21:45 UTC50m
2026-07-21 LBT185 - Jul 21, 15:40 UTCJul 21, 19:50 UTC4h 10m
2026-07-21 LBT739 LIL → TUN Jul 21, 09:10 UTCJul 21, 14:15 UTC5h 5m
2026-07-21 LBT738 TUN → LIL Jul 21, 05:40 UTCJul 21, 07:45 UTC2h 5m
2026-07-20 LBT691 IST → TUN Jul 20, 21:50 UTCJul 21, 00:00 UTC2h 9m
2026-07-20 LBT690 TUN → IST Jul 20, 18:30 UTCJul 20, 20:30 UTC2h 0m
2026-07-20 LBT587 - Jul 20, 15:55 UTCJul 20, 16:50 UTC55m
2026-07-20 LBT586 - Jul 20, 13:20 UTCJul 20, 14:35 UTC1h 15m
2026-07-20 LBT207 - Jul 20, 09:35 UTCJul 20, 11:30 UTC1h 55m
2026-07-20 LBT206 - Jul 20, 05:35 UTCJul 20, 07:35 UTC2h 0m
2026-07-19 LBT587 - Jul 19, 21:55 UTCJul 19, 22:45 UTC50m
2026-07-19 LBT586 - Jul 19, 19:40 UTCJul 19, 20:45 UTC1h 5m
2026-07-19 LBT185 - Jul 19, 16:30 UTCJul 19, 17:50 UTC1h 20m
2026-07-19 LBT184 - Jul 19, 13:30 UTCJul 19, 14:55 UTC1h 25m
2026-07-19 LBT397 - Jul 19, 09:35 UTCJul 19, 11:25 UTC1h 50m
2026-07-19 LBT396 TUN → BRU Jul 19, 05:55 UTCJul 19, 08:00 UTC2h 5m
2026-07-18 LBT739 - Jul 18, 20:15 UTCJul 18, 22:20 UTC2h 5m
2026-07-18 LBT738 - Jul 18, 17:00 UTCJul 18, 19:10 UTC2h 10m
2026-07-18 LBT731 - Jul 18, 13:30 UTCJul 18, 15:15 UTC1h 45m
2026-07-18 LBT730 - Jul 18, 09:35 UTCJul 18, 11:35 UTC2h 0m
2026-07-18 LBT553 - Jul 18, 06:40 UTCJul 18, 07:45 UTC1h 5m
2026-07-18 LBT552 - Jul 18, 04:15 UTCJul 18, 05:20 UTC1h 5m

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 02A1A9 frequently asked

What is Mode-S code 02A1A9?
02A1A9 is an ICAO 24-bit transponder address. Allocated to Tunisia.
Where is Mode-S 02A1A9 registered?
Mode-S code 02A1A9 is allocated to Tunisia (TN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 02A1A9 broadcasting right now?
No active broadcast right now. Last signal was 23d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 02A1A9, octal 00520651, decimal 172,457.
What flights does 02A1A9 operate?
Mode-S 02A1A9 has broadcast 20 distinct callsigns, including LBT520, LBT521, LBT587, LBT731, LBT730.