sensors Mode-S transponder
A7BFA0
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N599JB · AIRBUS A-320 · operated by JETBLUE AIRWAYS CORP
- Hex
- A7BFA0
- Octal
- 51737640
- Decimal
- 10,993,568
- Country
- US
- Tail
- N599JB
- Type
- A320
- Flights observed
- 95
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address A7BFA0 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 |
|---|---|---|---|
| JBU709 | JetBlue Airways | 3 | 2026-04-21 |
| JBU2390 | - | 3 | 2026-04-13 |
| JBU1527 | JetBlue Airways | 3 | 2026-04-13 |
| JBU1405 | - | 3 | 2026-04-13 |
| JBU914 | JetBlue Airways | 2 | 2026-04-14 |
| JBU8557 | JetBlue Airways | 2 | 2026-04-15 |
| JBU710 | JetBlue Airways | 2 | 2026-05-28 |
| JBU613 | JetBlue Airways | 2 | 2026-04-15 |
| JBU579 | JetBlue Airways | 2 | 2026-05-26 |
| JBU526 | JetBlue Airways | 2 | 2026-04-17 |
| JBU389 | JetBlue Airways | 2 | 2026-04-24 |
| JBU2427 | JetBlue Airways | 2 | 2026-05-17 |
| JBU2406 | JetBlue Airways | 2 | 2026-04-14 |
| JBU2405 | JetBlue Airways | 2 | 2026-04-14 |
| JBU236 | JetBlue Airways | 2 | 2026-04-29 |
| JBU23 | JetBlue Airways | 2 | 2026-05-22 |
| JBU1903 | JetBlue Airways | 2 | 2026-04-17 |
| JBU1716 | JetBlue Airways | 2 | 2026-04-16 |
| JBU1715 | - | 2 | 2026-04-16 |
| JBU1607 | JetBlue Airways | 2 | 2026-04-24 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | JBU2037 | JFK → STI | May 29, 23:15 UTC | May 29, 23:40 UTC | 25m |
| 2026-05-29 | JBU788 | SXM → JFK | May 29, 12:00 UTC | May 29, 20:25 UTC | 8h 25m |
| 2026-05-28 | JBU710 | JAX → BOS | May 28, 16:24 UTC | May 29, 14:55 UTC | 22h 31m |
| 2026-05-28 | JBU710 | JAX → BOS | May 28, 00:25 UTC | May 28, 20:10 UTC | 19h 45m |
| 2026-05-27 | JBU334 | SFO → BOS | May 27, 00:38 UTC | May 27, 11:35 UTC | 10h 58m |
| 2026-05-26 | JBU1453 | FLL → SJU | May 26, 21:01 UTC | May 27, 11:35 UTC | 14h 35m |
| 2026-05-26 | JBU579 | DCA → FLL | May 26, 16:44 UTC | May 27, 11:35 UTC | 18h 52m |
| 2026-05-26 | JBU579 | DCA → FLL | May 26, 16:45 UTC | May 26, 18:55 UTC | 2h 10m |
| 2026-05-26 | JBU1480 | FLL → DCA | May 26, 11:44 UTC | May 26, 13:40 UTC | 1h 55m |
| 2026-05-25 | JBU1371 | LGA → FLL | May 25, 17:45 UTC | May 25, 20:09 UTC | 2h 25m |
| 2026-05-25 | JBU542 | PBI → BDL | May 25, 00:15 UTC | May 25, 20:09 UTC | 19h 55m |
| 2026-05-24 | JBU1761 | FLL → SJU | May 24, 20:28 UTC | May 25, 19:59 UTC | 23h 32m |
| 2026-05-24 | JBU195 | HPN → MCO | May 24, 00:21 UTC | May 24, 23:05 UTC | 22h 44m |
| 2026-05-23 | JBU2087 | LGA → BNA | May 23, 14:57 UTC | May 24, 02:45 UTC | 11h 49m |
| 2026-05-22 | JBU23 | DCA → MCO | May 22, 23:55 UTC | May 23, 01:55 UTC | 2h 0m |
| 2026-05-22 | JBU23 | DCA → MCO | May 22, 23:50 UTC | May 23, 22:00 UTC | 22h 11m |
| 2026-05-22 | JBU24 | LAX → JFK | May 22, 20:05 UTC | May 22, 21:55 UTC | 1h 50m |
| 2026-05-22 | JBU1167 | HPN → PBI | May 22, 15:50 UTC | May 22, 18:55 UTC | 3h 5m |
| 2026-05-21 | JBU865 | BOS → RSW | May 21, 22:38 UTC | May 22, 22:00 UTC | 23h 23m |
| 2026-05-21 | JBU1394 | NAS → FLL | May 21, 15:40 UTC | May 21, 16:10 UTC | 30m |
| 2026-05-21 | JBU1394 | NAS → FLL | May 21, 15:25 UTC | May 22, 13:50 UTC | 22h 26m |
| 2026-05-21 | JBU1393 | FLL → NAS | May 21, 13:10 UTC | May 21, 13:30 UTC | 20m |
| 2026-05-20 | JBU2126 | MBJ → FLL | May 20, 20:50 UTC | May 20, 21:20 UTC | 30m |
| 2026-05-20 | JBU1327 | FLL → MBJ | May 20, 11:15 UTC | May 20, 11:40 UTC | 25m |
| 2026-05-19 | JBU1797 | ATL → FLL | May 19, 11:15 UTC | May 19, 12:40 UTC | 1h 25m |
| 2026-05-18 | JBU2033 | BOS → IAH | May 18, 12:42 UTC | May 19, 12:00 UTC | 23h 18m |
| 2026-05-17 | JBU326 | BWI → BOS | May 17, 19:48 UTC | May 18, 18:00 UTC | 22h 13m |
| 2026-05-17 | JBU2427 | FLL → MBJ | May 17, 17:25 UTC | May 17, 17:50 UTC | 25m |
| 2026-05-17 | JBU2427 | FLL → MBJ | May 17, 17:21 UTC | May 18, 16:00 UTC | 22h 40m |
| 2026-05-15 | JBU8601 | JFK → SAL | May 15, 17:10 UTC | May 15, 18:25 UTC | 1h 15m |
| 2026-04-30 | JBU8593 | JFK → MCN | Apr 30, 16:05 UTC | Apr 30, 18:00 UTC | 1h 56m |
| 2026-04-30 | JBU1084 | MCO → ISP | Apr 30, 11:10 UTC | Apr 30, 13:20 UTC | 2h 10m |
| 2026-04-29 | JBU236 | STI → JFK | Apr 29, 11:28 UTC | Apr 30, 05:15 UTC | 17h 47m |
| 2026-04-28 | JBU236 | STI → JFK | Apr 28, 22:55 UTC | Apr 29, 14:50 UTC | 15h 56m |
| 2026-04-28 | JBU1266 | STI → MCO | Apr 28, 12:28 UTC | Apr 28, 23:25 UTC | 10h 57m |
| 2026-04-28 | JBU2637 | JFK → STI | Apr 28, 02:01 UTC | Apr 28, 23:25 UTC | 21h 24m |
| 2026-04-27 | JBU1168 | PBI → HPN | Apr 27, 20:08 UTC | Apr 28, 18:35 UTC | 22h 27m |
| 2026-04-27 | JBU1168 | PBI → HPN | Apr 27, 15:20 UTC | Apr 27, 23:30 UTC | 8h 10m |
| 2026-04-26 | JBU17 | JFK → FLL | Apr 26, 10:21 UTC | Apr 26, 22:20 UTC | 11h 59m |
| 2026-04-25 | JBU113 | MCO → CUN | Apr 25, 12:11 UTC | Apr 26, 11:15 UTC | 23h 4m |
| 2026-04-24 | JBU1607 | SJU → STI | Apr 24, 18:05 UTC | Apr 24, 18:15 UTC | 10m |
| 2026-04-24 | JBU1607 | SJU → STI | Apr 24, 18:00 UTC | Apr 25, 16:00 UTC | 22h 0m |
| 2026-04-24 | JBU389 | EWR → SJU | Apr 24, 15:50 UTC | Apr 24, 16:15 UTC | 25m |
| 2026-04-24 | JBU389 | EWR → SJU | Apr 24, 12:50 UTC | Apr 24, 13:25 UTC | 35m |
| 2026-04-23 | JBU152 | RSW → JFK | Apr 23, 16:05 UTC | Apr 24, 16:00 UTC | 23h 55m |
| 2026-04-23 | JBU151 | JFK → TPA | Apr 23, 11:15 UTC | Apr 23, 19:35 UTC | 8h 20m |
| 2026-04-23 | JBU1268 | LAX → BDL | Apr 23, 01:10 UTC | Apr 23, 04:45 UTC | 3h 36m |
| 2026-04-22 | JBU1009 | BOS → JFK | Apr 22, 18:55 UTC | Apr 22, 19:25 UTC | 30m |
| 2026-04-22 | JBU1009 | BOS → JFK | Apr 22, 18:55 UTC | Apr 23, 17:55 UTC | 23h 0m |
| 2026-04-21 | JBU1692 | LIR → JFK | Apr 21, 19:45 UTC | Apr 22, 00:05 UTC | 4h 20m |
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 N599JB page for operator, model, and routing details .