sensors Mode-S transponder
A849AB
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N633JB · AIRBUS A-320 · operated by JETBLUE AIRWAYS CORP
- Hex
- A849AB
- Octal
- 52044653
- Decimal
- 11,028,907
- Country
- US
- Tail
- N633JB
- Type
- A320
- Flights observed
- 166
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- Jun 6, 01:10 UTC
Last known position
Country allocation
The ICAO 24-bit address A849AB 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 |
|---|---|---|---|
| JBU2251 | JetBlue Airways | 5 | 2026-04-21 |
| JBU1067 | JetBlue Airways | 4 | 2026-05-17 |
| JBU768 | JetBlue Airways | 3 | 2026-05-31 |
| JBU534 | JetBlue Airways | 3 | 2026-05-27 |
| JBU514 | JetBlue Airways | 3 | 2026-06-04 |
| JBU465 | JetBlue Airways | 3 | 2026-04-15 |
| JBU1051 | JetBlue Airways | 3 | 2026-04-29 |
| JBU1016 | JetBlue Airways | 3 | 2026-05-22 |
| JBU998 | JetBlue Airways | 2 | 2026-05-16 |
| JBU997 | JetBlue Airways | 2 | 2026-05-20 |
| JBU98 | JetBlue Airways | 2 | 2026-05-10 |
| JBU97 | JetBlue Airways | 2 | 2026-05-10 |
| JBU968 | JetBlue Airways | 2 | 2026-05-17 |
| JBU959 | JetBlue Airways | 2 | 2026-04-24 |
| JBU834 | JetBlue Airways | 2 | 2026-04-15 |
| JBU754 | JetBlue Airways | 2 | 2026-04-17 |
| JBU741 | JetBlue Airways | 2 | 2026-05-11 |
| JBU675 | JetBlue Airways | 2 | 2026-05-15 |
| JBU58 | JetBlue Airways | 2 | 2026-05-01 |
| JBU52 | - | 2 | 2026-04-15 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-05 | JBU1748 | SAV → LGA | Jun 5, 13:26 UTC | Jun 6, 01:10 UTC | 11h 44m |
| 2026-06-04 | JBU2098 | PVR → JFK | Jun 4, 20:40 UTC | Jun 5, 15:30 UTC | 18h 50m |
| 2026-06-04 | JBU514 | SDQ → EWR | Jun 4, 12:50 UTC | Jun 4, 15:25 UTC | 2h 35m |
| 2026-06-04 | JBU514 | SDQ → EWR | Jun 4, 12:49 UTC | Jun 5, 10:45 UTC | 21h 56m |
| 2026-06-03 | JBU1697 | ATL → FLL | Jun 3, 23:50 UTC | Jun 4, 01:10 UTC | 1h 20m |
| 2026-06-03 | JBU2098 | PVR → JFK | Jun 3, 21:05 UTC | Jun 3, 22:25 UTC | 1h 20m |
| 2026-06-02 | JBU128 | MCO → EWR | Jun 2, 19:06 UTC | Jun 3, 01:25 UTC | 6h 20m |
| 2026-06-02 | JBU128 | MCO → EWR | Jun 2, 19:10 UTC | Jun 2, 21:15 UTC | 2h 5m |
| 2026-06-02 | JBU606 | FLL → EWR | Jun 2, 10:25 UTC | Jun 2, 16:15 UTC | 5h 50m |
| 2026-06-01 | JBU2655 | SYR → MCO | Jun 1, 22:30 UTC | Jun 2, 00:55 UTC | 2h 25m |
| 2026-06-01 | JBU2656 | MCO → SYR | Jun 1, 19:05 UTC | Jun 1, 21:20 UTC | 2h 15m |
| 2026-06-01 | JBU1134 | SJU → MCO | Jun 1, 02:25 UTC | Jun 2, 00:45 UTC | 22h 20m |
| 2026-05-31 | JBU1078 | PUJ → MCO | May 31, 17:33 UTC | Jun 1, 16:45 UTC | 23h 13m |
| 2026-05-31 | JBU768 | PSE → MCO | May 31, 11:00 UTC | May 31, 12:10 UTC | 1h 10m |
| 2026-05-31 | JBU768 | PSE → MCO | May 31, 09:15 UTC | May 31, 09:25 UTC | 10m |
| 2026-05-31 | JBU768 | PSE → MCO | May 31, 09:08 UTC | Jun 1, 05:15 UTC | 20h 8m |
| 2026-05-31 | JBU767 | MCO → PSE | May 31, 01:10 UTC | May 31, 01:11 UTC | 1m |
| 2026-05-30 | JBU451 | BOS → MCO | May 30, 20:25 UTC | May 30, 23:10 UTC | 2h 45m |
| 2026-05-30 | JBU2389 | EWR → SJU | May 30, 01:02 UTC | May 31, 00:35 UTC | 23h 33m |
| 2026-05-29 | JBU1912 | RSW → EWR | May 29, 19:20 UTC | May 29, 21:45 UTC | 2h 25m |
| 2026-05-29 | JBU1912 | RSW → EWR | May 29, 19:15 UTC | May 30, 12:55 UTC | 17h 41m |
| 2026-05-29 | JBU565 | BOS → RSW | May 29, 14:50 UTC | May 29, 17:35 UTC | 2h 45m |
| 2026-05-28 | JBU1552 | RSW → HPN | May 28, 14:45 UTC | May 28, 17:30 UTC | 2h 45m |
| 2026-05-28 | JBU1552 | RSW → HPN | May 28, 14:45 UTC | May 29, 01:25 UTC | 10h 40m |
| 2026-05-28 | JBU1551 | HPN → RSW | May 28, 10:45 UTC | May 28, 13:30 UTC | 2h 45m |
| 2026-05-27 | JBU534 | SFO → BOS | May 27, 16:20 UTC | May 27, 18:35 UTC | 2h 15m |
| 2026-05-27 | JBU534 | SFO → BOS | May 27, 16:16 UTC | May 28, 14:45 UTC | 22h 29m |
| 2026-05-27 | JBU2273 | EWR → TPA | May 27, 12:45 UTC | May 27, 15:05 UTC | 2h 20m |
| 2026-05-26 | JBU106 | FLL → EWR | May 26, 21:29 UTC | May 26, 23:49 UTC | 2h 20m |
| 2026-05-26 | JBU513 | ISP → FLL | May 26, 16:35 UTC | May 26, 19:10 UTC | 2h 35m |
| 2026-05-26 | JBU514 | SDQ → EWR | May 26, 13:04 UTC | May 26, 15:24 UTC | 2h 20m |
| 2026-05-26 | JBU2154 | DCA → BOS | May 26, 01:44 UTC | May 26, 04:04 UTC | 2h 20m |
| 2026-05-25 | JBU2941 | STX → SJU | May 25, 22:00 UTC | May 25, 22:10 UTC | 10m |
| 2026-05-25 | JBU2940 | SJU → STX | May 25, 19:35 UTC | May 25, 19:50 UTC | 15m |
| 2026-05-25 | JBU1632 | LGA → BOS | May 25, 17:50 UTC | May 25, 18:05 UTC | 15m |
| 2026-05-25 | JBU1731 | SLC → LAX | May 25, 15:40 UTC | May 25, 15:55 UTC | 15m |
| 2026-05-24 | JBU1168 | PBI → HPN | May 24, 19:30 UTC | May 24, 21:50 UTC | 2h 20m |
| 2026-05-24 | JBU1168 | PBI → HPN | May 24, 19:26 UTC | May 25, 18:05 UTC | 22h 40m |
| 2026-05-24 | JBU2143 | JFK → LGW | May 24, 15:30 UTC | May 24, 17:50 UTC | 2h 20m |
| 2026-05-24 | JBU2274 | TPA → EWR | May 24, 11:50 UTC | May 24, 14:00 UTC | 2h 10m |
| 2026-05-23 | JBU40 | MDE → FLL | May 23, 18:36 UTC | May 24, 16:45 UTC | 22h 10m |
| 2026-05-23 | JBU1703 | SJU → MDE | May 23, 14:45 UTC | May 24, 12:45 UTC | 22h 0m |
| 2026-05-22 | JBU1016 | JFK → BOS | May 22, 19:12 UTC | May 23, 15:30 UTC | 20h 18m |
| 2026-05-22 | JBU1016 | JFK → BOS | May 22, 15:40 UTC | May 22, 22:40 UTC | 7h 0m |
| 2026-05-22 | JBU1822 | BOS → PBI | May 22, 12:15 UTC | May 22, 13:55 UTC | 1h 40m |
| 2026-05-21 | JBU1739 | SYR → FLL | May 21, 14:01 UTC | May 22, 12:45 UTC | 22h 44m |
| 2026-05-21 | JBU1738 | MCO → BDL | May 21, 10:01 UTC | May 22, 03:00 UTC | 17h 0m |
| 2026-05-20 | JBU997 | BOS → JFK | May 20, 19:30 UTC | May 20, 22:10 UTC | 2h 40m |
| 2026-05-20 | JBU997 | BOS → JFK | May 20, 19:28 UTC | May 21, 16:45 UTC | 21h 18m |
| 2026-05-20 | JBU2075 | BOS → PUJ | May 20, 15:45 UTC | May 20, 18:05 UTC | 2h 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 N633JB page for operator, model, and routing details .