sensors Mode-S transponder
ADFF5C
ICAO 24-bit transponder address
Currently assigned to 68-8136 · Northrop T-38C Talon
- Hex
- ADFF5C
- Octal
- 53377534
- Decimal
- 11,403,100
- Tail
- 68-8136
- Type
- T38
- Flights observed
- 46
- Distinct callsigns
- 20
- Country
- -
- Last broadcast
- 4d ago
Last known position
Callsign history 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| MILLER2 | - | 4 | 2026-07-07 |
| BANK12 | - | 3 | 2026-07-23 |
| RANDY11 | - | 2 | 2026-04-12 |
| MILLER1 | - | 2 | 2026-06-25 |
| MACH69 | - | 2 | 2026-04-13 |
| MACH22 | - | 2 | 2026-06-24 |
| ICEMAN2 | - | 2 | 2026-07-22 |
| ICEMAN1 | - | 2 | 2026-07-17 |
| ANARCH4 | - | 2 | 2026-07-01 |
| ANARCH2 | - | 2 | 2026-06-23 |
| ANARCH1 | - | 2 | 2026-06-23 |
| TUSKY77 | - | 1 | 2026-07-16 |
| SPUR33 | - | 1 | 2026-07-07 |
| RENO62 | - | 1 | 2026-07-07 |
| MUDDY12 | - | 1 | 2026-04-16 |
| GNARLY2 | - | 1 | 2026-04-16 |
| GATOR12 | - | 1 | 2026-07-23 |
| EAGLE1 | - | 1 | 2026-07-22 |
| COBRA75 | - | 1 | 2026-06-24 |
| COBRA67 | - | 1 | 2026-06-26 |
Recent flights last 46
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-24 | BANK22 | - | Jul 24, 13:35 UTC | Jul 24, 14:20 UTC | 45m |
| 2026-07-23 | BREW97 | RND → RND | Jul 23, 19:55 UTC | Jul 23, 20:55 UTC | 1h 0m |
| 2026-07-23 | ANARCH3 | - | Jul 23, 17:55 UTC | Jul 23, 18:40 UTC | 45m |
| 2026-07-23 | BANK12 | - | Jul 23, 15:40 UTC | Jul 23, 16:30 UTC | 50m |
| 2026-07-23 | GATOR12 | - | Jul 23, 13:25 UTC | Jul 23, 14:15 UTC | 50m |
| 2026-07-22 | COBRA20 | - | Jul 22, 18:30 UTC | Jul 22, 19:30 UTC | 1h 0m |
| 2026-07-22 | EAGLE1 | - | Jul 22, 16:15 UTC | Jul 22, 17:00 UTC | 45m |
| 2026-07-22 | ICEMAN2 | - | Jul 22, 13:50 UTC | Jul 22, 14:35 UTC | 45m |
| 2026-07-17 | ICEMAN1 | - | Jul 17, 13:15 UTC | Jul 17, 13:29 UTC | 15m |
| 2026-07-16 | TUSKY77 | - | Jul 16, 18:19 UTC | Jul 16, 18:59 UTC | 40m |
| 2026-07-07 | MILLER2 | - | Jul 7, 20:10 UTC | Jul 7, 20:40 UTC | 30m |
| 2026-07-07 | RENO62 | - | Jul 7, 18:10 UTC | Jul 7, 18:55 UTC | 45m |
| 2026-07-07 | SPUR33 | - | Jul 7, 16:15 UTC | Jul 7, 17:00 UTC | 45m |
| 2026-07-01 | ANARCH4 | - | Jul 1, 13:05 UTC | Jul 1, 13:50 UTC | 45m |
| 2026-06-26 | COBRA67 | - | Jun 26, 19:50 UTC | Jun 26, 20:34 UTC | 45m |
| 2026-06-26 | ICEMAN2 | - | Jun 26, 13:55 UTC | Jun 26, 14:39 UTC | 45m |
| 2026-06-25 | BREW71 | - | Jun 25, 17:20 UTC | Jun 25, 18:15 UTC | 55m |
| 2026-06-25 | MILLER1 | - | Jun 25, 14:14 UTC | Jun 25, 14:59 UTC | 45m |
| 2026-06-24 | COBRA75 | - | Jun 24, 20:24 UTC | Jun 24, 21:14 UTC | 50m |
| 2026-06-24 | MACH22 | - | Jun 24, 17:25 UTC | Jun 24, 17:34 UTC | 10m |
| 2026-06-24 | MILLER1 | - | Jun 24, 13:40 UTC | Jun 24, 14:34 UTC | 55m |
| 2026-06-23 | ANARCH2 | - | Jun 23, 19:19 UTC | Jun 23, 19:55 UTC | 35m |
| 2026-06-23 | MILLER2 | - | Jun 23, 16:14 UTC | Jun 23, 16:39 UTC | 25m |
| 2026-06-23 | ANARCH1 | - | Jun 23, 13:15 UTC | Jun 23, 14:15 UTC | 1h 0m |
| 2026-06-12 | BANK12 | - | Jun 12, 17:15 UTC | Jun 12, 17:55 UTC | 40m |
| 2026-06-12 | COBRA21 | - | Jun 12, 14:15 UTC | Jun 12, 15:05 UTC | 50m |
| 2026-05-14 | ANARCH1 | - | May 14, 13:50 UTC | May 14, 14:40 UTC | 50m |
| 2026-05-12 | COBRA62 | RND → RND | May 12, 16:40 UTC | May 12, 17:35 UTC | 55m |
| 2026-05-12 | MILLER2 | - | May 12, 13:40 UTC | May 12, 14:25 UTC | 45m |
| 2026-05-04 | MACH22 | - | May 4, 19:10 UTC | May 4, 19:25 UTC | 15m |
| 2026-04-28 | BANK11 | - | Apr 28, 14:25 UTC | Apr 28, 15:20 UTC | 55m |
| 2026-04-24 | COBRA42 | - | Apr 24, 14:50 UTC | Apr 24, 15:50 UTC | 1h 0m |
| 2026-04-16 | GNARLY2 | - | Apr 16, 20:25 UTC | Apr 16, 21:05 UTC | 40m |
| 2026-04-16 | COBRA48 | - | Apr 16, 17:50 UTC | Apr 16, 18:45 UTC | 55m |
| 2026-04-16 | MUDDY12 | - | Apr 16, 14:45 UTC | Apr 16, 15:05 UTC | 20m |
| 2026-04-15 | BANK12 | - | Apr 15, 17:40 UTC | Apr 15, 18:30 UTC | 50m |
| 2026-04-15 | MILLER2 | - | Apr 15, 15:05 UTC | Apr 15, 15:45 UTC | 40m |
| 2026-04-14 | BREW39 | - | Apr 14, 19:25 UTC | Apr 14, 20:20 UTC | 55m |
| 2026-04-14 | BREW10 | - | Apr 14, 16:50 UTC | Apr 14, 17:30 UTC | 40m |
| 2026-04-14 | ANARCH4 | - | Apr 14, 14:00 UTC | Apr 14, 14:45 UTC | 45m |
| 2026-04-13 | MACH69 | - | Apr 13, 20:05 UTC | Apr 13, 20:20 UTC | 15m |
| 2026-04-13 | MACH69 | - | Apr 13, 19:25 UTC | Apr 13, 19:35 UTC | 10m |
| 2026-04-13 | ICEMAN1 | - | Apr 13, 16:50 UTC | Apr 13, 17:40 UTC | 50m |
| 2026-04-13 | ANARCH2 | - | Apr 13, 13:55 UTC | Apr 13, 14:45 UTC | 50m |
| 2026-04-12 | RANDY11 | - | Apr 12, 19:20 UTC | Apr 12, 20:05 UTC | 45m |
| 2026-04-12 | RANDY11 | - | Apr 12, 17:15 UTC | Apr 12, 17:30 UTC | 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 68-8136 page for operator, model, and routing details .