sensors Mode-S transponder
A8AEF3
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N659JB · AIRBUS A-320 · operated by JETBLUE AIRWAYS CORP
- Hex
- A8AEF3
- Octal
- 52127363
- Decimal
- 11,054,835
- Country
- US
- Tail
- N659JB
- Type
- A320
- Flights observed
- 144
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address A8AEF3 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 |
|---|---|---|---|
| JBU993 | JetBlue Airways | 4 | 2026-04-18 |
| JBU1584 | JetBlue Airways | 4 | 2026-04-15 |
| JBU1483 | JetBlue Airways | 4 | 2026-04-15 |
| JBU98 | JetBlue Airways | 3 | 2026-04-15 |
| JBU97 | JetBlue Airways | 3 | 2026-04-15 |
| JBU872 | JetBlue Airways | 3 | 2026-04-17 |
| JBU871 | JetBlue Airways | 3 | 2026-04-17 |
| JBU8503 | JetBlue Airways | 3 | 2026-05-14 |
| JBU337 | JetBlue Airways | 3 | 2026-05-17 |
| JBU2133 | JetBlue Airways | 3 | 2026-04-28 |
| JBU1533 | JetBlue Airways | 3 | 2026-04-13 |
| JBU1400 | - | 3 | 2026-04-13 |
| JBU1128 | JetBlue Airways | 3 | 2026-05-15 |
| JBU888 | JetBlue Airways | 2 | 2026-05-10 |
| JBU884 | JetBlue Airways | 2 | 2026-04-17 |
| JBU83 | - | 2 | 2026-04-16 |
| JBU606 | JetBlue Airways | 2 | 2026-04-20 |
| JBU543 | JetBlue Airways | 2 | 2026-04-20 |
| JBU351 | JetBlue Airways | 2 | 2026-05-02 |
| JBU2826 | JetBlue Airways | 2 | 2026-04-18 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | JBU927 | EWR → MCO | May 29, 10:20 UTC | May 30, 02:35 UTC | 16h 16m |
| 2026-05-28 | JBU106 | FLL → EWR | May 28, 22:25 UTC | May 29, 00:50 UTC | 2h 25m |
| 2026-05-28 | JBU106 | FLL → EWR | May 28, 22:23 UTC | May 29, 20:45 UTC | 22h 23m |
| 2026-05-28 | JBU2126 | MBJ → FLL | May 28, 15:45 UTC | May 28, 20:30 UTC | 4h 45m |
| 2026-05-27 | JBU1784 | CTG → FLL | May 27, 19:23 UTC | May 28, 16:20 UTC | 20h 57m |
| 2026-05-27 | JBU1783 | FLL → CTG | May 27, 15:25 UTC | May 28, 14:00 UTC | 22h 35m |
| 2026-05-26 | JBU1376 | KIN → FLL | May 26, 23:42 UTC | May 27, 22:00 UTC | 22h 19m |
| 2026-05-26 | JBU1575 | FLL → KIN | May 26, 21:02 UTC | May 27, 16:00 UTC | 18h 59m |
| 2026-05-26 | JBU2097 | JFK → PVR | May 26, 17:48 UTC | May 27, 16:00 UTC | 22h 13m |
| 2026-05-26 | JBU1698 | FLL → ATL | May 26, 13:59 UTC | May 27, 00:44 UTC | 10h 46m |
| 2026-05-25 | JBU770 | FLL → BOS | May 25, 22:15 UTC | May 26, 19:25 UTC | 21h 10m |
| 2026-05-25 | JBU1809 | EWR → SDQ | May 25, 13:45 UTC | May 26, 12:45 UTC | 23h 0m |
| 2026-05-25 | JBU275 | BDL → SJU | May 25, 02:11 UTC | May 25, 23:49 UTC | 21h 39m |
| 2026-05-24 | JBU1103 | BDL → RSW | May 24, 17:47 UTC | May 25, 14:20 UTC | 20h 33m |
| 2026-05-24 | JBU138 | MCO → BDL | May 24, 14:15 UTC | May 24, 16:35 UTC | 2h 20m |
| 2026-05-24 | JBU138 | MCO → BDL | May 24, 14:10 UTC | May 25, 12:45 UTC | 22h 36m |
| 2026-05-23 | JBU1716 | BUF → BOS | May 23, 18:25 UTC | May 23, 18:45 UTC | 20m |
| 2026-05-23 | JBU1715 | JFK → LAX | May 23, 14:50 UTC | May 24, 14:45 UTC | 23h 56m |
| 2026-05-23 | JBU1715 | JFK → LAX | May 23, 14:50 UTC | May 23, 17:05 UTC | 2h 15m |
| 2026-05-22 | JBU1793 | JFK → SJO | May 22, 13:35 UTC | May 23, 01:05 UTC | 11h 30m |
| 2026-05-22 | JBU720 | ATL → JFK | May 22, 10:20 UTC | May 22, 11:35 UTC | 1h 15m |
| 2026-05-22 | JBU1419 | BOS → JAX | May 22, 02:15 UTC | May 22, 03:50 UTC | 1h 35m |
| 2026-05-21 | JBU1112 | CUR → JFK | May 21, 19:15 UTC | May 21, 23:15 UTC | 4h 0m |
| 2026-05-21 | JBU1111 | JFK → CUR | May 21, 13:15 UTC | May 21, 17:15 UTC | 4h 0m |
| 2026-05-20 | JBU1641 | JFK → BZE | May 20, 13:15 UTC | May 20, 16:45 UTC | 3h 30m |
| 2026-05-20 | JBU1641 | JFK → BZE | May 20, 13:10 UTC | May 21, 03:35 UTC | 14h 26m |
| 2026-05-19 | JBU222 | PBI → BOS | May 19, 17:55 UTC | May 20, 16:45 UTC | 22h 51m |
| 2026-05-19 | JBU121 | JFK → NAS | May 19, 13:50 UTC | May 19, 20:30 UTC | 6h 40m |
| 2026-05-18 | JBU58 | MCO → JFK | May 18, 20:10 UTC | May 19, 00:40 UTC | 4h 30m |
| 2026-05-18 | JBU57 | JFK → AUA | May 18, 14:25 UTC | May 18, 18:45 UTC | 4h 19m |
| 2026-05-18 | JBU1184 | MCO → JFK | May 18, 10:25 UTC | May 18, 12:35 UTC | 2h 10m |
| 2026-05-17 | JBU1527 | EWR → MCO | May 17, 15:41 UTC | May 18, 14:45 UTC | 23h 5m |
| 2026-05-17 | JBU594 | STI → EWR | May 17, 09:47 UTC | May 18, 02:25 UTC | 16h 39m |
| 2026-05-17 | JBU337 | JFK → STI | May 17, 00:53 UTC | May 18, 00:45 UTC | 23h 53m |
| 2026-05-17 | JBU337 | JFK → STI | May 17, 00:55 UTC | May 17, 01:35 UTC | 40m |
| 2026-05-16 | JBU1569 | JFK → PUJ | May 16, 13:46 UTC | May 16, 22:00 UTC | 8h 15m |
| 2026-05-15 | JBU1129 | PVD → JFK | May 15, 10:05 UTC | May 16, 01:20 UTC | 15h 15m |
| 2026-05-15 | JBU1128 | MCO → EWR | May 15, 03:28 UTC | May 16, 01:20 UTC | 21h 52m |
| 2026-05-15 | JBU1128 | MCO → EWR | May 15, 03:30 UTC | May 15, 04:00 UTC | 30m |
| 2026-05-14 | JBU1052 | MCO → BOS | May 14, 21:00 UTC | May 15, 00:15 UTC | 3h 15m |
| 2026-05-14 | JBU8503 | BOS → EWR | May 14, 05:05 UTC | May 14, 05:20 UTC | 15m |
| 2026-05-14 | JBU8503 | BOS → EWR | May 14, 03:18 UTC | May 15, 00:15 UTC | 20h 58m |
| 2026-05-14 | JBU8503 | BOS → EWR | May 14, 03:20 UTC | May 14, 03:50 UTC | 30m |
| 2026-05-12 | JBU8433 | JFK → LCQ | May 12, 22:40 UTC | May 13, 02:20 UTC | 3h 40m |
| 2026-05-11 | JBU1129 | PVD → JFK | May 11, 10:00 UTC | May 11, 16:10 UTC | 6h 10m |
| 2026-05-11 | JBU1128 | MCO → EWR | May 11, 03:01 UTC | May 11, 16:10 UTC | 13h 9m |
| 2026-05-10 | JBU888 | LAX → BOS | May 10, 20:34 UTC | May 11, 16:10 UTC | 19h 36m |
| 2026-05-10 | JBU888 | LAX → BOS | May 10, 15:19 UTC | May 11, 00:30 UTC | 9h 10m |
| 2026-05-09 | JBU766 | GCM → JFK | May 9, 19:26 UTC | May 10, 18:25 UTC | 22h 59m |
| 2026-05-09 | JBU765 | JFK → GCM | May 9, 14:05 UTC | May 9, 22:55 UTC | 8h 50m |
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 N659JB page for operator, model, and routing details .