Apparatus

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sensors Mode-S transponder

8940A1

ICAO 24-bit transponder address · allocated to Bahrain

Currently assigned to A9C-FJ · BOEING 787-9 Dreamliner

Hex
8940A1
Octal
42240241
Decimal
8,994,977
Country
BH
Tail
A9C-FJ
Type
B789
No current signal · last broadcast Jul 26, 19:55 UTC
Flights observed
264
Distinct callsigns
20
Country
BH
Last broadcast
Jul 26, 19:55 UTC

Last known position

Most recent position reported by Mode-S 8940A1.

Country allocation

The ICAO 24-bit address 8940A1 falls within the block assigned to Bahrain (BH) by ICAO Annex 10, Volume III. Every aircraft registered in Bahrain 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
GFA002 - 41 2026-07-25
GFA007 - 34 2026-07-25
GFA155 Gulf Air 17 2026-07-22
GFA154 Gulf Air 17 2026-07-21
GFA006 - 12 2026-05-24
GFA251 Gulf Air 11 2026-05-18
GFA125 - 10 2026-07-16
GFA166 - 9 2026-07-18
GFA165 - 9 2026-07-17
GFA090 Gulf Air 9 2026-07-20
GFA005 - 9 2026-07-24
GFA004 - 9 2026-07-24
GFA152 Gulf Air 8 2026-07-25
GFA091 Gulf Air 8 2026-07-19
GFA008 - 8 2026-07-05
GFA003 - 8 2026-05-23
GFA250 Gulf Air 7 2026-05-17
GFA153 Gulf Air 6 2026-07-26
GFA142 Gulf Air 6 2026-06-01
GFA124 - 6 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 GFA153 BKK → BAH Jul 26, 13:50 UTCJul 26, 19:55 UTC6h 5m
2026-07-25 GFA152 BAH → BKK Jul 25, 19:50 UTCJul 26, 02:30 UTC6h 40m
2026-07-25 GFA002 - Jul 25, 15:15 UTCJul 25, 15:35 UTC20m
2026-07-25 GFA002 - Jul 25, 09:40 UTCJul 25, 13:55 UTC4h 15m
2026-07-25 GFA007 - Jul 25, 01:10 UTCJul 25, 06:00 UTC4h 50m
2026-07-24 GFA007 - Jul 24, 23:35 UTCJul 24, 23:50 UTC15m
2026-07-24 GFA004 - Jul 24, 09:30 UTCJul 24, 14:05 UTC4h 35m
2026-07-24 GFA005 - Jul 24, 00:55 UTCJul 24, 06:00 UTC5h 5m
2026-07-23 GFA005 - Jul 23, 23:20 UTCJul 23, 23:30 UTC10m
2026-07-23 GFA004 - Jul 23, 15:05 UTCJul 23, 15:20 UTC15m
2026-07-23 GFA004 - Jul 23, 09:20 UTCJul 23, 13:50 UTC4h 30m
2026-07-23 GFA005 - Jul 23, 01:00 UTCJul 23, 06:00 UTC5h 0m
2026-07-22 GFA005 - Jul 22, 23:25 UTCJul 22, 23:35 UTC10m
2026-07-22 GFA155 MNL → BAH Jul 22, 10:20 UTCJul 22, 12:00 UTC1h 40m
2026-07-21 GFA154 BAH → MNL Jul 21, 20:50 UTCJul 22, 03:40 UTC6h 50m
2026-07-21 GFA155 MNL → BAH Jul 21, 05:20 UTCJul 21, 14:00 UTC8h 40m
2026-07-20 GFA154 BAH → MNL Jul 20, 18:35 UTCJul 21, 03:40 UTC9h 4m
2026-07-20 GFA090 JFK → BAH Jul 20, 08:35 UTCJul 20, 08:55 UTC20m
2026-07-19 GFA090 JFK → BAH Jul 19, 19:20 UTCJul 20, 05:50 UTC10h 30m
2026-07-19 GFA091 BAH → JFK Jul 19, 01:50 UTCJul 19, 13:20 UTC11h 30m
2026-07-18 GFA166 - Jul 18, 12:20 UTCJul 18, 19:20 UTC7h 0m
2026-07-17 GFA165 - Jul 17, 21:05 UTCJul 18, 04:35 UTC7h 31m
2026-07-17 GFA165 BAH → BAH Jul 17, 20:35 UTCJul 17, 21:00 UTC25m
2026-07-16 GFA125 - Jul 16, 22:19 UTCJul 17, 17:15 UTC18h 55m
2026-07-16 GFA125 - Jul 16, 20:19 UTCJul 17, 17:15 UTC20h 55m
2026-07-16 GFA125 - Jul 16, 18:19 UTCJul 17, 17:15 UTC22h 55m
2026-07-16 GFA124 - Jul 16, 17:40 UTCJul 17, 13:25 UTC19h 45m
2026-07-16 GFA155 - Jul 16, 05:05 UTCJul 16, 13:30 UTC8h 25m
2026-07-15 GFA154 - Jul 15, 18:20 UTCJul 16, 03:35 UTC9h 15m
2026-07-15 GFA155 - Jul 15, 05:40 UTCJul 15, 14:05 UTC8h 25m
2026-07-14 GFA154 - Jul 14, 19:00 UTCJul 15, 04:15 UTC9h 14m
2026-07-14 GFA155 - Jul 14, 05:00 UTCJul 14, 13:25 UTC8h 25m
2026-07-13 GFA154 - Jul 13, 18:20 UTCJul 14, 03:35 UTC9h 15m
2026-07-13 GFA002 - Jul 13, 15:15 UTCJul 13, 15:35 UTC20m
2026-07-13 GFA002 - Jul 13, 09:30 UTCJul 13, 14:00 UTC4h 30m
2026-07-13 GFA007 - Jul 13, 01:10 UTCJul 13, 06:01 UTC4h 50m
2026-07-12 GFA007 - Jul 12, 23:35 UTCJul 12, 23:50 UTC15m
2026-07-12 GFA166 - Jul 12, 13:40 UTCJul 12, 20:40 UTC7h 0m
2026-07-11 GFA165 - Jul 11, 20:35 UTCJul 12, 04:40 UTC8h 5m
2026-07-11 GFA090 - Jul 11, 07:10 UTCJul 11, 07:25 UTC15m
2026-07-10 GFA090 - Jul 10, 19:45 UTCJul 11, 05:50 UTC10h 6m
2026-07-10 GFA091 - Jul 10, 02:10 UTCJul 10, 13:25 UTC11h 15m
2026-07-10 GFA091 - Jul 10, 00:20 UTCJul 10, 00:35 UTC15m
2026-07-09 GFA155 - Jul 9, 05:00 UTCJul 9, 13:15 UTC8h 15m
2026-07-08 GFA154 - Jul 8, 18:00 UTCJul 9, 03:05 UTC9h 5m
2026-07-08 GFA002 - Jul 8, 15:05 UTCJul 8, 15:30 UTC25m
2026-07-08 GFA002 - Jul 8, 09:40 UTCJul 8, 13:55 UTC4h 15m
2026-07-08 GFA007 - Jul 8, 01:00 UTCJul 8, 06:05 UTC5h 5m
2026-07-07 GFA007 - Jul 7, 23:35 UTCJul 7, 23:50 UTC15m
2026-07-07 GFA123 - Jul 7, 00:20 UTCJul 7, 20:15 UTC19h 55m

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 A9C-FJ page for operator, model, and routing details .

Mode-S 8940A1 frequently asked

What is Mode-S code 8940A1?
8940A1 is an ICAO 24-bit transponder address. Allocated to Bahrain. Assigned to A9C-FJ.
Where is Mode-S 8940A1 registered?
Mode-S code 8940A1 is allocated to Bahrain (BH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8940A1 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8940A1, octal 42240241, decimal 8,994,977.
What flights does 8940A1 operate?
Mode-S 8940A1 has broadcast 20 distinct callsigns, including GFA002, GFA007, GFA155, GFA154, GFA006.