sensors Mode-S transponder
A976A5
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N709GT · BOEING 777-200LR · operated by WILMINGTON TRUST CO TRUSTEE
- Hex
- A976A5
- Octal
- 52273245
- Decimal
- 11,105,957
- Country
- US
- Tail
- N709GT
- Type
- B77L
- Flights observed
- 99
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 34m ago
Last known position
Country allocation
The ICAO 24-bit address A976A5 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 |
|---|---|---|---|
| GTI3596 | Atlas Air | 14 | 2026-05-26 |
| GTI3113 | Atlas Air | 14 | 2026-05-27 |
| GTI3111 | Atlas Air | 10 | 2026-05-29 |
| GTI339 | Atlas Air | 9 | 2026-05-03 |
| GTI3112 | - | 8 | 2026-05-28 |
| GTI3595 | Atlas Air | 7 | 2026-05-25 |
| GTI3019 | Atlas Air | 7 | 2026-05-30 |
| GTI3091 | Atlas Air | 4 | 2026-05-19 |
| GTI3090 | Atlas Air | 4 | 2026-05-20 |
| GTI7590 | - | 3 | 2026-04-20 |
| GTI3510 | Atlas Air | 3 | 2026-04-27 |
| GTI338 | Atlas Air | 3 | 2026-05-01 |
| GTI3012 | Atlas Air | 3 | 2026-04-29 |
| GTI3511 | Atlas Air | 2 | 2026-04-28 |
| GTI3093 | - | 2 | 2026-05-23 |
| GTI7595 | Atlas Air | 1 | 2026-05-04 |
| GTI3631 | - | 1 | 2026-05-10 |
| GTI3630 | Atlas Air | 1 | 2026-05-10 |
| GTI3512 | Atlas Air | 1 | 2026-04-18 |
| GTI3094 | - | 1 | 2026-05-23 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | GTI3019 | NGO → LAX | May 30, 02:30 UTC | May 30, 03:00 UTC | 30m |
| 2026-05-29 | GTI3019 | NGO → LAX | May 29, 20:05 UTC | May 29, 23:45 UTC | 3h 40m |
| 2026-05-29 | GTI3111 | LAX → HAN | May 29, 00:45 UTC | May 29, 16:35 UTC | 15h 50m |
| 2026-05-28 | GTI3112 | NGO → LAX | May 28, 11:10 UTC | May 28, 20:40 UTC | 9h 30m |
| 2026-05-28 | GTI3112 | - | May 28, 05:05 UTC | May 28, 09:10 UTC | 4h 5m |
| 2026-05-27 | GTI3113 | ORD → FAI | May 27, 14:55 UTC | May 28, 02:40 UTC | 11h 45m |
| 2026-05-27 | GTI3113 | ORD → FAI | May 27, 07:20 UTC | May 27, 12:55 UTC | 5h 35m |
| 2026-05-26 | GTI3596 | ANC → ORD | May 26, 06:10 UTC | May 26, 11:34 UTC | 5h 25m |
| 2026-05-25 | GTI3596 | ANC → ORD | May 25, 11:10 UTC | May 26, 04:15 UTC | 17h 4m |
| 2026-05-25 | GTI3596 | ANC → ORD | May 25, 05:20 UTC | May 26, 04:15 UTC | 22h 54m |
| 2026-05-25 | GTI3595 | ORD → STN | May 25, 03:20 UTC | May 26, 03:15 UTC | 23h 55m |
| 2026-05-25 | GTI3595 | ORD → STN | May 25, 01:55 UTC | May 25, 21:54 UTC | 20h 0m |
| 2026-05-24 | GTI3019 | NGO → LAX | May 24, 05:05 UTC | May 24, 14:25 UTC | 9h 20m |
| 2026-05-23 | GTI3094 | - | May 23, 11:20 UTC | May 24, 03:00 UTC | 15h 41m |
| 2026-05-23 | GTI3093 | - | May 23, 06:10 UTC | May 23, 08:15 UTC | 2h 5m |
| 2026-05-22 | GTI3093 | - | May 22, 21:05 UTC | May 22, 21:20 UTC | 15m |
| 2026-05-20 | GTI3090 | LAX → HKG | May 20, 03:45 UTC | May 20, 04:00 UTC | 15m |
| 2026-05-19 | GTI3090 | LAX → HKG | May 19, 13:30 UTC | May 20, 03:15 UTC | 13h 45m |
| 2026-05-19 | GTI3091 | HKG → ANC | May 19, 07:35 UTC | May 19, 09:15 UTC | 1h 40m |
| 2026-05-18 | GTI3091 | HKG → ANC | May 18, 19:05 UTC | May 19, 00:00 UTC | 4h 55m |
| 2026-05-18 | GTI3091 | HKG → ANC | May 18, 08:10 UTC | May 18, 17:05 UTC | 8h 55m |
| 2026-05-18 | GTI3091 | HKG → ANC | May 18, 07:20 UTC | May 18, 07:35 UTC | 15m |
| 2026-05-17 | GTI3090 | LAX → HKG | May 17, 14:50 UTC | May 17, 15:15 UTC | 25m |
| 2026-05-17 | GTI3090 | LAX → HKG | May 17, 00:30 UTC | May 17, 14:15 UTC | 13h 45m |
| 2026-05-16 | GTI3019 | NGO → LAX | May 16, 11:25 UTC | May 16, 20:50 UTC | 9h 25m |
| 2026-05-15 | GTI3111 | LAX → HAN | May 15, 15:20 UTC | May 16, 09:35 UTC | 18h 16m |
| 2026-05-15 | GTI3111 | LAX → HAN | May 15, 13:20 UTC | May 16, 09:35 UTC | 20h 15m |
| 2026-05-15 | GTI3111 | LAX → HAN | May 15, 11:25 UTC | May 16, 09:35 UTC | 22h 10m |
| 2026-05-14 | GTI3112 | - | May 14, 12:10 UTC | May 14, 21:10 UTC | 9h 0m |
| 2026-05-13 | GTI3113 | ORD → FAI | May 13, 16:40 UTC | May 14, 10:15 UTC | 17h 35m |
| 2026-05-13 | GTI3113 | ORD → FAI | May 13, 06:40 UTC | May 13, 12:30 UTC | 5h 50m |
| 2026-05-12 | GTI3596 | ANC → ORD | May 12, 05:25 UTC | May 12, 10:40 UTC | 5h 15m |
| 2026-05-11 | GTI3596 | ANC → ORD | May 11, 13:45 UTC | May 12, 03:40 UTC | 13h 56m |
| 2026-05-10 | GTI3631 | - | May 10, 22:49 UTC | May 11, 06:40 UTC | 7h 50m |
| 2026-05-10 | GTI3630 | LAX → SNN | May 10, 10:24 UTC | May 10, 19:40 UTC | 9h 15m |
| 2026-05-09 | GTI3019 | NGO → LAX | May 9, 09:40 UTC | May 9, 18:50 UTC | 9h 10m |
| 2026-05-08 | GTI3111 | LAX → HAN | May 8, 19:25 UTC | May 9, 07:15 UTC | 11h 50m |
| 2026-05-08 | GTI3111 | LAX → HAN | May 8, 09:19 UTC | May 9, 07:15 UTC | 21h 55m |
| 2026-05-08 | GTI3111 | LAX → HAN | May 8, 09:04 UTC | May 9, 07:15 UTC | 22h 10m |
| 2026-05-07 | GTI3112 | - | May 7, 08:25 UTC | May 7, 17:55 UTC | 9h 30m |
| 2026-05-06 | GTI3113 | ORD → FAI | May 6, 11:20 UTC | May 7, 05:55 UTC | 18h 34m |
| 2026-05-06 | GTI3113 | ORD → FAI | May 6, 02:20 UTC | May 6, 08:05 UTC | 5h 45m |
| 2026-05-05 | GTI3596 | ANC → ORD | May 5, 06:00 UTC | May 5, 11:00 UTC | 5h 0m |
| 2026-05-04 | GTI3596 | ANC → ORD | May 4, 11:40 UTC | May 5, 03:15 UTC | 15h 36m |
| 2026-05-04 | GTI7595 | LAX → EHU | May 4, 01:40 UTC | May 4, 21:35 UTC | 19h 56m |
| 2026-05-03 | GTI339 | ANC → NLU | May 3, 02:00 UTC | May 3, 03:30 UTC | 1h 29m |
| 2026-05-02 | GTI339 | ANC → NLU | May 2, 14:10 UTC | May 2, 20:05 UTC | 5h 55m |
| 2026-05-02 | GTI339 | ANC → NLU | May 2, 04:55 UTC | May 2, 12:10 UTC | 7h 15m |
| 2026-05-01 | GTI339 | ANC → NLU | May 1, 15:20 UTC | May 2, 12:10 UTC | 20h 50m |
| 2026-05-01 | GTI339 | ANC → NLU | May 1, 14:05 UTC | May 2, 12:10 UTC | 22h 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.
Prefer a tail-number view? See the N709GT page for operator, model, and routing details .