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sensors Mode-S transponder

A98423

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N712GT · operated by WILMINGTON TRUST CO TRUSTEE

Hex
A98423
Octal
52302043
Decimal
11,109,411
Country
US
Tail
N712GT
Type
B77L
No current signal · last broadcast 48m ago
Flights observed
184
Distinct callsigns
20
Country
US
Last broadcast
48m ago

Last known position

Most recent position reported by Mode-S A98423.

Country allocation

The ICAO 24-bit address A98423 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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
GTI8508 - 24 2026-06-01
GTI8007 Atlas Air 24 2026-05-29
GTI8321 - 21 2026-07-13
GTI8008 Atlas Air 19 2026-05-29
GTI8507 - 16 2026-05-30
GTI606 Atlas Air 16 2026-05-28
GTI792 - 12 2026-07-10
GTI791 - 11 2026-07-11
GTI867 - 7 2026-06-27
GTI863 - 5 2026-07-12
GTI8319 - 5 2026-07-09
GTI866 - 4 2026-06-26
GTI8318 - 4 2026-06-30
GTI862 - 3 2026-07-11
GTI8509 Atlas Air 2 2026-06-02
GTI8320 Atlas Air 2 2026-06-29
SHARPAVI - 1 2026-06-10
GTI9602 Atlas Air 1 2026-04-29
GTI8806 - 1 2026-07-08
GTI8804 - 1 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 GTI8321 - Jul 13, 21:20 UTCJul 14, 04:45 UTC7h 25m
2026-07-13 GTI8321 - Jul 13, 03:01 UTCJul 13, 19:05 UTC16h 5m
2026-07-12 GTI8321 - Jul 12, 23:25 UTCJul 13, 19:05 UTC19h 40m
2026-07-12 GTI8321 - Jul 12, 20:50 UTCJul 13, 19:05 UTC22h 15m
2026-07-12 GTI8321 - Jul 12, 19:35 UTCJul 13, 18:45 UTC23h 10m
2026-07-12 GTI863 - Jul 12, 08:10 UTCJul 12, 16:25 UTC8h 15m
2026-07-11 GTI862 - Jul 11, 18:35 UTCJul 12, 03:20 UTC8h 45m
2026-07-11 GTI791 - Jul 11, 01:20 UTCJul 11, 09:00 UTC7h 40m
2026-07-10 GTI792 - Jul 10, 13:05 UTCJul 10, 18:15 UTC5h 10m
2026-07-09 GTI792 ICN → ANC Jul 9, 18:40 UTCJul 10, 11:25 UTC16h 45m
2026-07-09 GTI8319 - Jul 9, 01:00 UTCJul 9, 16:10 UTC15h 10m
2026-07-08 GTI8806 - Jul 8, 12:50 UTCJul 8, 21:50 UTC9h 0m
2026-07-07 GTI8804 - Jul 7, 09:10 UTCJul 7, 17:05 UTC7h 55m
2026-07-06 GTI8321 - Jul 6, 21:40 UTCJul 7, 06:05 UTC8h 25m
2026-07-06 GTI8321 - Jul 6, 02:50 UTCJul 6, 19:20 UTC16h 30m
2026-07-05 GTI8321 - Jul 5, 23:45 UTCJul 6, 19:20 UTC19h 35m
2026-07-05 GTI8321 - Jul 5, 20:50 UTCJul 6, 19:20 UTC22h 30m
2026-07-05 GTI8321 - Jul 5, 20:05 UTCJul 6, 18:45 UTC22h 40m
2026-07-05 GTI863 - Jul 5, 03:25 UTCJul 5, 17:30 UTC14h 5m
2026-07-04 GTI863 - Jul 4, 18:05 UTCJul 5, 16:45 UTC22h 40m
2026-07-04 GTI863 - Jul 4, 14:50 UTCJul 5, 14:15 UTC23h 25m
2026-07-04 GTI862 - Jul 4, 12:50 UTCJul 5, 07:25 UTC18h 35m
2026-07-04 GTI862 - Jul 4, 11:45 UTCJul 5, 07:25 UTC19h 40m
2026-07-03 GTI791 ICN → PVG Jul 3, 23:45 UTCJul 4, 07:15 UTC7h 30m
2026-07-03 GTI792 PVG → ANC Jul 3, 08:40 UTCJul 3, 13:55 UTC5h 15m
2026-07-02 GTI792 PVG → ANC Jul 2, 16:35 UTCJul 3, 06:20 UTC13h 45m
2026-07-01 GTI791 ICN → PVG Jul 1, 05:25 UTCJul 1, 13:45 UTC8h 20m
2026-06-30 GTI791 ICN → PVG Jun 30, 21:50 UTCJul 1, 03:25 UTC5h 35m
2026-06-30 GTI8318 - Jun 30, 10:25 UTCJun 30, 18:45 UTC8h 20m
2026-06-29 GTI8321 - Jun 29, 10:50 UTCJun 30, 05:50 UTC19h 1m
2026-06-29 GTI8321 - Jun 29, 08:50 UTCJun 30, 05:50 UTC21h 1m
2026-06-29 GTI8320 PSM → HHN Jun 29, 06:54 UTCJun 30, 05:50 UTC22h 56m
2026-06-27 GTI867 - Jun 27, 16:49 UTCJun 28, 14:04 UTC21h 15m
2026-06-27 GTI867 ICN → LUX Jun 27, 16:10 UTCJun 28, 14:04 UTC21h 55m
2026-06-26 GTI866 ANC → ICN Jun 26, 00:10 UTCJun 26, 08:34 UTC8h 25m
2026-06-25 GTI866 - Jun 25, 16:24 UTCJun 25, 22:14 UTC5h 50m
2026-06-25 GTI792 PVG → ANC Jun 25, 08:14 UTCJun 25, 13:29 UTC5h 15m
2026-06-24 GTI792 PVG → ANC Jun 24, 16:09 UTCJun 25, 05:55 UTC13h 45m
2026-06-23 GTI791 ICN → PVG Jun 23, 16:54 UTCJun 24, 01:09 UTC8h 15m
2026-06-23 GTI791 ICN → PVG Jun 23, 09:14 UTCJun 23, 14:35 UTC5h 20m
2026-06-22 GTI8318 - Jun 22, 21:19 UTCJun 23, 05:45 UTC8h 25m
2026-06-21 GTI8321 HHN → POB Jun 21, 22:49 UTCJun 22, 18:30 UTC19h 40m
2026-06-21 GTI8321 HHN → POB Jun 21, 20:50 UTCJun 22, 18:30 UTC21h 40m
2026-06-21 GTI8321 HHN → POB Jun 21, 20:29 UTCJun 22, 18:30 UTC22h 0m
2026-06-20 GTI867 - Jun 20, 22:59 UTCJun 21, 13:24 UTC14h 25m
2026-06-20 GTI867 - Jun 20, 16:00 UTCJun 21, 12:44 UTC20h 45m
2026-06-19 GTI866 ANC → ICN Jun 19, 01:10 UTCJun 19, 10:19 UTC9h 10m
2026-06-18 GTI866 - Jun 18, 16:20 UTCJun 18, 21:50 UTC5h 30m
2026-06-18 GTI792 PVG → ANC Jun 18, 08:15 UTCJun 18, 13:25 UTC5h 10m
2026-06-17 GTI792 PVG → ANC Jun 17, 16:25 UTCJun 18, 05:40 UTC13h 15m

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 N712GT page for operator, model, and routing details .

Mode-S A98423 frequently asked

What is Mode-S code A98423?
A98423 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N712GT.
Where is Mode-S A98423 registered?
Mode-S code A98423 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A98423 broadcasting right now?
No active broadcast right now. Last signal was 48m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A98423, octal 52302043, decimal 11,109,411.
What flights does A98423 operate?
Mode-S A98423 has broadcast 20 distinct callsigns, including GTI8508, GTI8007, GTI8321, GTI8008, GTI8507.