sensors Mode-S transponder
ABD336
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N861GT · BOEING 747-8 · operated by UMB BANK NA TRUSTEE
- Hex
- ABD336
- Octal
- 52751466
- Decimal
- 11,260,726
- Country
- US
- Tail
- N861GT
- Type
- B748
- Flights observed
- 82
- Distinct callsigns
- 17
- Country
- US
- Last broadcast
- 18h ago
Last known position
Country allocation
The ICAO 24-bit address ABD336 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 17 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| GTI566 | Atlas Air | 11 | 2026-05-28 |
| GTI567 | Atlas Air | 10 | 2026-05-28 |
| GTI586 | Atlas Air | 9 | 2026-05-26 |
| GTI571 | Atlas Air | 6 | 2026-05-26 |
| GTI563 | Atlas Air | 6 | 2026-04-21 |
| GTI561 | Atlas Air | 6 | 2026-05-01 |
| GTI572 | Atlas Air | 5 | 2026-05-26 |
| GTI564 | Atlas Air | 4 | 2026-04-21 |
| GTI562 | Atlas Air | 4 | 2026-05-02 |
| GTI525 | Atlas Air | 4 | 2026-05-29 |
| GTI589 | Atlas Air | 3 | 2026-05-06 |
| GTI585 | Atlas Air | 3 | 2026-05-25 |
| GTI583 | Atlas Air | 3 | 2026-05-24 |
| GTI568 | Atlas Air | 3 | 2026-04-13 |
| GTI587 | Atlas Air | 2 | 2026-05-05 |
| GTI526 | Atlas Air | 2 | 2026-05-23 |
| GTI588 | Atlas Air | 1 | 2026-04-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | GTI525 | ZAZ → ICN | May 29, 11:40 UTC | May 29, 16:10 UTC | 4h 30m |
| 2026-05-28 | GTI567 | DEL → ZAZ | May 28, 18:55 UTC | May 29, 03:50 UTC | 8h 55m |
| 2026-05-28 | GTI566 | LAX → ZAZ | May 28, 02:15 UTC | May 28, 15:40 UTC | 13h 25m |
| 2026-05-26 | GTI572 | DWC → ZAZ | May 26, 22:09 UTC | May 27, 12:50 UTC | 14h 41m |
| 2026-05-26 | GTI571 | ZAZ → SGN | May 26, 10:25 UTC | May 26, 19:45 UTC | 9h 20m |
| 2026-05-26 | GTI586 | ZAZ → RUH | May 26, 03:05 UTC | May 26, 07:40 UTC | 4h 35m |
| 2026-05-25 | GTI586 | ZAZ → RUH | May 25, 17:30 UTC | May 25, 19:50 UTC | 2h 19m |
| 2026-05-25 | GTI585 | KGF → DAC | May 25, 01:55 UTC | May 25, 13:15 UTC | 11h 20m |
| 2026-05-24 | GTI583 | RUH → SGN | May 24, 05:35 UTC | May 24, 19:05 UTC | 13h 30m |
| 2026-05-23 | GTI526 | AMS → ALA | May 23, 21:20 UTC | May 24, 02:05 UTC | 4h 45m |
| 2026-05-22 | GTI525 | ZAZ → ICN | May 22, 21:35 UTC | May 23, 21:30 UTC | 23h 55m |
| 2026-05-22 | GTI525 | ZAZ → ICN | May 22, 18:30 UTC | May 22, 23:20 UTC | 4h 50m |
| 2026-05-22 | GTI567 | DEL → ZAZ | May 22, 03:05 UTC | May 22, 15:45 UTC | 12h 40m |
| 2026-05-21 | GTI566 | LAX → ZAZ | May 21, 10:30 UTC | May 22, 00:50 UTC | 14h 20m |
| 2026-05-20 | GTI572 | DWC → ZAZ | May 20, 13:40 UTC | May 21, 04:25 UTC | 14h 45m |
| 2026-05-19 | GTI571 | ZAZ → SGN | May 19, 11:15 UTC | May 19, 20:35 UTC | 9h 20m |
| 2026-05-18 | GTI586 | ZAZ → RUH | May 18, 08:20 UTC | May 18, 21:30 UTC | 13h 9m |
| 2026-05-17 | GTI585 | KGF → DAC | May 17, 17:01 UTC | May 18, 05:30 UTC | 12h 30m |
| 2026-05-16 | GTI583 | RUH → SGN | May 16, 23:30 UTC | May 17, 13:01 UTC | 13h 30m |
| 2026-05-16 | GTI526 | AMS → ALA | May 16, 15:40 UTC | May 16, 20:55 UTC | 5h 15m |
| 2026-05-15 | GTI525 | ZAZ → ICN | May 15, 12:00 UTC | May 15, 16:15 UTC | 4h 14m |
| 2026-05-14 | GTI567 | DEL → ZAZ | May 14, 18:45 UTC | May 15, 08:15 UTC | 13h 30m |
| 2026-05-14 | GTI566 | LAX → ZAZ | May 14, 02:15 UTC | May 14, 15:40 UTC | 13h 25m |
| 2026-05-12 | GTI572 | DWC → ZAZ | May 12, 19:40 UTC | May 13, 10:05 UTC | 14h 25m |
| 2026-05-12 | GTI571 | ZAZ → SGN | May 12, 07:30 UTC | May 12, 16:30 UTC | 9h 0m |
| 2026-05-11 | GTI586 | ZAZ → RUH | May 11, 07:20 UTC | May 11, 20:10 UTC | 12h 50m |
| 2026-05-11 | GTI586 | ZAZ → RUH | May 11, 06:35 UTC | May 11, 07:15 UTC | 40m |
| 2026-05-10 | GTI585 | KGF → DAC | May 10, 16:04 UTC | May 11, 04:15 UTC | 12h 10m |
| 2026-05-09 | GTI583 | RUH → SGN | May 9, 23:55 UTC | May 10, 13:19 UTC | 13h 25m |
| 2026-05-08 | GTI567 | DEL → ZAZ | May 8, 18:05 UTC | May 9, 07:50 UTC | 13h 45m |
| 2026-05-08 | GTI566 | LAX → ZAZ | May 8, 00:40 UTC | May 8, 14:50 UTC | 14h 10m |
| 2026-05-07 | GTI572 | DWC → ZAZ | May 7, 06:35 UTC | May 7, 21:25 UTC | 14h 50m |
| 2026-05-06 | GTI571 | ZAZ → SGN | May 6, 17:55 UTC | May 7, 02:55 UTC | 9h 0m |
| 2026-05-06 | GTI589 | DAC → GYD | May 6, 10:20 UTC | May 6, 15:35 UTC | 5h 15m |
| 2026-05-05 | GTI587 | ZAZ → DAC | May 5, 00:10 UTC | May 5, 02:25 UTC | 2h 15m |
| 2026-05-02 | GTI586 | ZAZ → RUH | May 2, 23:30 UTC | May 3, 13:10 UTC | 13h 39m |
| 2026-05-02 | GTI562 | HHN → ALA | May 2, 14:00 UTC | May 2, 19:45 UTC | 5h 45m |
| 2026-05-01 | GTI561 | TLV → SHJ | May 1, 10:10 UTC | May 1, 14:40 UTC | 4h 30m |
| 2026-04-30 | GTI587 | ZAZ → DAC | Apr 30, 00:00 UTC | Apr 30, 13:10 UTC | 13h 10m |
| 2026-04-29 | GTI586 | ZAZ → RUH | Apr 29, 17:15 UTC | Apr 29, 21:20 UTC | 4h 5m |
| 2026-04-29 | GTI586 | ZAZ → RUH | Apr 29, 08:05 UTC | Apr 29, 14:30 UTC | 6h 26m |
| 2026-04-28 | GTI572 | DWC → ZAZ | Apr 28, 14:25 UTC | Apr 28, 19:30 UTC | 5h 5m |
| 2026-04-27 | GTI571 | ZAZ → SGN | Apr 27, 16:40 UTC | Apr 27, 22:15 UTC | 5h 35m |
| 2026-04-27 | GTI571 | ZAZ → SGN | Apr 27, 07:30 UTC | Apr 27, 14:10 UTC | 6h 40m |
| 2026-04-26 | GTI562 | HHN → ALA | Apr 26, 11:15 UTC | Apr 26, 16:20 UTC | 5h 5m |
| 2026-04-25 | GTI561 | TLV → SHJ | Apr 25, 11:35 UTC | Apr 26, 11:30 UTC | 23h 55m |
| 2026-04-25 | GTI561 | TLV → SHJ | Apr 25, 08:20 UTC | Apr 25, 13:15 UTC | 4h 55m |
| 2026-04-24 | GTI567 | DEL → ZAZ | Apr 24, 16:20 UTC | Apr 25, 05:20 UTC | 13h 0m |
| 2026-04-24 | GTI566 | LAX → ZAZ | Apr 24, 08:55 UTC | Apr 24, 13:25 UTC | 4h 30m |
| 2026-04-23 | GTI566 | LAX → ZAZ | Apr 23, 01:35 UTC | Apr 23, 04:35 UTC | 3h 0m |
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 N861GT page for operator, model, and routing details .