sensors Mode-S transponder
A67BD3
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N517DZ · AIRBUS A-350-900 · operated by DELTA AIR LINES INC
- Hex
- A67BD3
- Octal
- 51475723
- Decimal
- 10,910,675
- Country
- US
- Tail
- N517DZ
- Type
- A359
- Flights observed
- 116
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address A67BD3 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 |
|---|---|---|---|
| DAL161 | - | 10 | 2026-07-07 |
| DAL295 | - | 9 | 2026-07-09 |
| DAL171 | - | 9 | 2026-07-07 |
| DAL170 | - | 8 | 2026-07-08 |
| DAL41 | - | 7 | 2026-07-12 |
| DAL160 | - | 7 | 2026-07-06 |
| DAL146 | - | 7 | 2026-06-21 |
| DAL120 | - | 7 | 2026-07-06 |
| DAL8 | - | 6 | 2026-07-11 |
| DAL7 | Delta Air Lines | 6 | 2026-07-05 |
| DAL147 | - | 6 | 2026-06-20 |
| DAL40 | - | 5 | 2026-07-12 |
| DAL294 | - | 5 | 2026-06-30 |
| DAL167 | - | 4 | 2026-07-10 |
| DAL166 | - | 4 | 2026-07-10 |
| DAL121 | - | 4 | 2026-06-29 |
| DAL290 | - | 3 | 2026-07-14 |
| DAL291 | - | 2 | 2026-07-03 |
| N517DZ | - | 1 | 2026-06-03 |
| DAL9979 | - | 1 | 2026-07-09 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | DAL290 | - | Jul 14, 01:15 UTC | Jul 14, 04:30 UTC | 3h 15m |
| 2026-07-12 | DAL40 | SYD → LAX | Jul 12, 23:55 UTC | Jul 13, 13:15 UTC | 13h 20m |
| 2026-07-12 | DAL41 | - | Jul 12, 20:25 UTC | Jul 12, 20:30 UTC | 5m |
| 2026-07-12 | DAL41 | LAX → SYD | Jul 12, 06:13 UTC | Jul 12, 20:09 UTC | 13h 56m |
| 2026-07-12 | DAL41 | - | Jul 12, 06:15 UTC | Jul 12, 06:45 UTC | 30m |
| 2026-07-11 | DAL8 | - | Jul 11, 09:05 UTC | Jul 11, 19:35 UTC | 10h 30m |
| 2026-07-10 | DAL167 | - | Jul 10, 19:30 UTC | Jul 10, 20:05 UTC | 35m |
| 2026-07-10 | DAL167 | SEA → HND | Jul 10, 19:28 UTC | Jul 11, 06:28 UTC | 11h 0m |
| 2026-07-10 | DAL166 | HND → SEA | Jul 10, 07:50 UTC | Jul 10, 17:05 UTC | 9h 15m |
| 2026-07-09 | DAL295 | - | Jul 9, 16:25 UTC | Jul 9, 18:45 UTC | 2h 20m |
| 2026-07-09 | DAL295 | ATL → HND | Jul 9, 16:21 UTC | Jul 10, 05:31 UTC | 13h 10m |
| 2026-07-09 | DAL9979 | MSP → ATL | Jul 9, 11:50 UTC | Jul 9, 13:40 UTC | 1h 50m |
| 2026-07-08 | DAL170 | ICN → MSP | Jul 8, 10:45 UTC | Jul 8, 22:25 UTC | 11h 40m |
| 2026-07-08 | DAL170 | ICN → MSP | Jul 8, 10:40 UTC | Jul 8, 22:23 UTC | 11h 43m |
| 2026-07-07 | DAL171 | - | Jul 7, 18:50 UTC | Jul 8, 08:00 UTC | 13h 10m |
| 2026-07-07 | DAL161 | AMS → MSP | Jul 7, 08:11 UTC | Jul 7, 16:23 UTC | 8h 12m |
| 2026-07-07 | DAL161 | AMS → MSP | Jul 7, 08:11 UTC | Jul 7, 16:28 UTC | 8h 17m |
| 2026-07-07 | DAL161 | - | Jul 7, 08:15 UTC | Jul 7, 10:00 UTC | 1h 45m |
| 2026-07-06 | DAL160 | - | Jul 6, 21:15 UTC | Jul 6, 22:00 UTC | 45m |
| 2026-07-06 | DAL160 | MSP → AMS | Jul 6, 21:11 UTC | Jul 7, 04:34 UTC | 7h 23m |
| 2026-07-06 | DAL120 | HND → MSP | Jul 6, 07:20 UTC | Jul 6, 17:50 UTC | 10h 30m |
| 2026-07-05 | DAL7 | LAX → HND | Jul 5, 17:55 UTC | Jul 5, 19:00 UTC | 1h 5m |
| 2026-07-05 | DAL7 | LAX → HND | Jul 5, 17:54 UTC | Jul 6, 04:44 UTC | 10h 50m |
| 2026-07-04 | DAL40 | SYD → LAX | Jul 4, 23:45 UTC | Jul 5, 13:00 UTC | 13h 15m |
| 2026-07-04 | DAL41 | - | Jul 4, 06:25 UTC | Jul 4, 06:50 UTC | 25m |
| 2026-07-04 | DAL41 | LAX → SYD | Jul 4, 06:20 UTC | Jul 4, 20:35 UTC | 14h 15m |
| 2026-07-03 | DAL291 | - | Jul 3, 14:40 UTC | Jul 4, 01:45 UTC | 11h 5m |
| 2026-07-03 | DAL290 | - | Jul 3, 01:15 UTC | Jul 3, 10:50 UTC | 9h 35m |
| 2026-07-02 | DAL8 | HND → LAX | Jul 2, 08:02 UTC | Jul 2, 17:02 UTC | 9h 0m |
| 2026-07-02 | DAL8 | HND → LAX | Jul 2, 08:05 UTC | Jul 2, 17:15 UTC | 9h 10m |
| 2026-07-01 | DAL295 | ATL → HND | Jul 1, 16:00 UTC | Jul 2, 05:05 UTC | 13h 5m |
| 2026-06-30 | DAL294 | HND → ATL | Jun 30, 06:40 UTC | Jun 30, 18:25 UTC | 11h 45m |
| 2026-06-29 | DAL121 | MSP → HND | Jun 29, 16:00 UTC | Jun 30, 03:20 UTC | 11h 21m |
| 2026-06-28 | DAL170 | ICN → MSP | Jun 28, 10:55 UTC | Jun 28, 22:34 UTC | 11h 40m |
| 2026-06-27 | DAL171 | MSP → ICN | Jun 27, 18:45 UTC | Jun 28, 07:34 UTC | 12h 49m |
| 2026-06-27 | DAL171 | - | Jun 27, 18:45 UTC | Jun 28, 06:44 UTC | 12h 0m |
| 2026-06-27 | DAL161 | AMS → MSP | Jun 27, 07:59 UTC | Jun 27, 15:50 UTC | 7h 51m |
| 2026-06-27 | DAL161 | - | Jun 27, 07:59 UTC | Jun 27, 15:49 UTC | 7h 50m |
| 2026-06-26 | DAL160 | - | Jun 26, 21:10 UTC | Jun 27, 04:34 UTC | 7h 25m |
| 2026-06-26 | DAL120 | HND → MSP | Jun 26, 07:35 UTC | Jun 26, 17:59 UTC | 10h 25m |
| 2026-06-25 | DAL7 | LAX → HND | Jun 25, 17:44 UTC | Jun 26, 04:55 UTC | 11h 10m |
| 2026-06-25 | DAL7 | LAX → HND | Jun 25, 17:40 UTC | Jun 26, 04:56 UTC | 11h 16m |
| 2026-06-24 | DAL40 | SYD → LAX | Jun 24, 23:34 UTC | Jun 25, 12:25 UTC | 12h 50m |
| 2026-06-24 | DAL41 | - | Jun 24, 05:59 UTC | Jun 24, 20:44 UTC | 14h 45m |
| 2026-06-23 | DAL8 | - | Jun 23, 08:09 UTC | Jun 23, 17:20 UTC | 9h 10m |
| 2026-06-22 | DAL167 | - | Jun 22, 19:14 UTC | Jun 23, 04:19 UTC | 9h 5m |
| 2026-06-22 | DAL166 | HND → SEA | Jun 22, 07:40 UTC | Jun 22, 16:05 UTC | 8h 25m |
| 2026-06-21 | DAL295 | ATL → HND | Jun 21, 15:30 UTC | Jun 22, 04:44 UTC | 13h 15m |
| 2026-06-21 | DAL295 | ATL → HND | Jun 21, 15:29 UTC | Jun 22, 04:46 UTC | 13h 17m |
| 2026-06-21 | DAL146 | SCL → ATL | Jun 21, 01:04 UTC | Jun 21, 09:45 UTC | 8h 41m |
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 N517DZ page for operator, model, and routing details .