sensors Mode-S transponder
A35CBA
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N3157J · AIRBUS A220-300 · operated by JETBLUE AIRWAYS CORP
- Hex
- A35CBA
- Octal
- 50656272
- Decimal
- 10,706,106
- Country
- US
- Tail
- N3157J
- Type
- BCS3
- Flights observed
- 158
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 5m ago
Current position
Country allocation
The ICAO 24-bit address A35CBA 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 |
|---|---|---|---|
| JBU1310 | - | 5 | 2026-04-17 |
| JBU266 | JetBlue Airways | 4 | 2026-05-17 |
| JBU1910 | JetBlue Airways | 4 | 2026-04-17 |
| JBU1909 | JetBlue Airways | 4 | 2026-04-17 |
| JBU109 | JetBlue Airways | 4 | 2026-04-17 |
| JBU265 | JetBlue Airways | 3 | 2026-05-17 |
| JBU260 | JetBlue Airways | 3 | 2026-05-18 |
| JBU1781 | JetBlue Airways | 3 | 2026-05-22 |
| JBU1496 | JetBlue Airways | 3 | 2026-05-20 |
| JBU1232 | JetBlue Airways | 3 | 2026-05-26 |
| JBU1130 | JetBlue Airways | 3 | 2026-04-24 |
| JBU946 | JetBlue Airways | 2 | 2026-05-28 |
| JBU810 | JetBlue Airways | 2 | 2026-05-15 |
| JBU394 | JetBlue Airways | 2 | 2026-05-15 |
| JBU376 | JetBlue Airways | 2 | 2026-05-04 |
| JBU355 | JetBlue Airways | 2 | 2026-04-22 |
| JBU2931 | JetBlue Airways | 2 | 2026-05-08 |
| JBU2626 | JetBlue Airways | 2 | 2026-05-06 |
| JBU2454 | JetBlue Airways | 2 | 2026-05-24 |
| JBU2354 | JetBlue Airways | 2 | 2026-04-18 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | JBU2185 | BOS → PIT | May 30, 00:10 UTC | May 30, 00:30 UTC | 20m |
| 2026-05-29 | JBU1940 | SRQ → BOS | May 29, 20:00 UTC | May 29, 22:40 UTC | 2h 40m |
| 2026-05-29 | JBU1940 | SRQ → BOS | May 29, 19:59 UTC | May 30, 12:30 UTC | 16h 32m |
| 2026-05-29 | JBU1941 | BOS → SRQ | May 29, 15:05 UTC | May 29, 17:50 UTC | 2h 45m |
| 2026-05-29 | JBU1441 | SFO → LGB | May 29, 00:00 UTC | May 29, 00:30 UTC | 30m |
| 2026-05-28 | JBU946 | BNA → BOS | May 28, 20:40 UTC | May 28, 22:35 UTC | 1h 55m |
| 2026-05-28 | JBU946 | BNA → BOS | May 28, 20:38 UTC | May 29, 20:30 UTC | 23h 53m |
| 2026-05-28 | JBU947 | JFK → BZN | May 28, 16:45 UTC | May 28, 18:45 UTC | 2h 0m |
| 2026-05-28 | JBU732 | LGA → BOS | May 28, 00:17 UTC | May 28, 22:30 UTC | 22h 13m |
| 2026-05-27 | JBU1160 | PHL → BOS | May 27, 13:45 UTC | May 28, 02:40 UTC | 12h 55m |
| 2026-05-26 | JBU1232 | LGA → BOS | May 26, 17:11 UTC | May 27, 14:30 UTC | 21h 19m |
| 2026-05-26 | JBU1484 | RDU → BOS | May 26, 10:02 UTC | May 27, 00:59 UTC | 14h 58m |
| 2026-05-25 | JBU401 | BOS → MSY | May 25, 14:21 UTC | May 26, 12:24 UTC | 22h 4m |
| 2026-05-25 | JBU554 | DCA → BOS | May 25, 11:39 UTC | May 26, 10:29 UTC | 22h 51m |
| 2026-05-24 | JBU781 | BOS → RIC | May 24, 18:05 UTC | May 24, 18:30 UTC | 25m |
| 2026-05-24 | JBU2454 | DCA → BOS | May 24, 15:45 UTC | May 24, 16:45 UTC | 1h 0m |
| 2026-05-24 | JBU2454 | DCA → BOS | May 24, 15:43 UTC | May 25, 14:30 UTC | 22h 48m |
| 2026-05-24 | JBU2355 | BOS → DCA | May 24, 13:10 UTC | May 24, 14:20 UTC | 1h 10m |
| 2026-05-24 | JBU374 | BNA → JFK | May 24, 11:05 UTC | May 24, 11:55 UTC | 50m |
| 2026-05-23 | JBU493 | BOS → DEN | May 23, 14:50 UTC | May 24, 14:20 UTC | 23h 30m |
| 2026-05-23 | JBU1896 | ATL → BOS | May 23, 11:04 UTC | May 24, 02:15 UTC | 15h 11m |
| 2026-05-23 | JBU1896 | ATL → BOS | May 23, 11:05 UTC | May 23, 13:00 UTC | 1h 55m |
| 2026-05-23 | JBU1897 | BOS → LIR | May 23, 01:50 UTC | May 23, 04:15 UTC | 2h 25m |
| 2026-05-22 | JBU1782 | VPS → BOS | May 22, 21:25 UTC | May 23, 00:00 UTC | 2h 35m |
| 2026-05-22 | JBU1781 | BOS → MCO | May 22, 17:10 UTC | May 22, 19:55 UTC | 2h 45m |
| 2026-05-22 | JBU560 | PHL → BOS | May 22, 00:19 UTC | May 22, 22:30 UTC | 22h 12m |
| 2026-05-21 | JBU1232 | LGA → BOS | May 21, 17:20 UTC | May 21, 20:00 UTC | 2h 40m |
| 2026-05-21 | JBU1232 | LGA → BOS | May 21, 17:17 UTC | May 22, 16:00 UTC | 22h 43m |
| 2026-05-21 | JBU1231 | BOS → LGA | May 21, 13:01 UTC | May 21, 15:40 UTC | 2h 40m |
| 2026-05-20 | JBU1496 | CUN → FLL | May 20, 19:13 UTC | May 21, 18:30 UTC | 23h 18m |
| 2026-05-20 | JBU2272 | AUS → FLL | May 20, 11:33 UTC | May 21, 10:30 UTC | 22h 58m |
| 2026-05-20 | JBU2272 | AUS → FLL | May 20, 11:35 UTC | May 20, 14:05 UTC | 2h 30m |
| 2026-05-20 | JBU2271 | FLL → AUS | May 20, 04:45 UTC | May 20, 05:05 UTC | 20m |
| 2026-05-20 | JBU2271 | FLL → AUS | May 20, 00:10 UTC | May 20, 03:10 UTC | 3h 0m |
| 2026-05-19 | JBU1496 | CUN → FLL | May 19, 19:25 UTC | May 19, 20:45 UTC | 1h 20m |
| 2026-05-19 | JBU1495 | FLL → CUN | May 19, 16:10 UTC | May 19, 17:35 UTC | 1h 25m |
| 2026-05-19 | JBU379 | DCA → FLL | May 19, 11:40 UTC | May 19, 13:35 UTC | 1h 55m |
| 2026-05-18 | JBU260 | PHL → BOS | May 18, 10:15 UTC | May 18, 11:00 UTC | 45m |
| 2026-05-18 | JBU260 | PHL → BOS | May 18, 10:10 UTC | May 19, 03:00 UTC | 16h 50m |
| 2026-05-18 | JBU199 | BOS → PHL | May 18, 03:45 UTC | May 18, 04:40 UTC | 55m |
| 2026-05-17 | JBU266 | DTW → BOS | May 17, 21:40 UTC | May 18, 01:05 UTC | 3h 25m |
| 2026-05-17 | JBU265 | SMF → LGB | May 17, 15:40 UTC | May 17, 18:35 UTC | 2h 55m |
| 2026-05-16 | JBU1093 | FLL → NAS | May 16, 19:17 UTC | May 17, 18:30 UTC | 23h 14m |
| 2026-05-16 | JBU579 | DCA → FLL | May 16, 15:10 UTC | May 17, 12:35 UTC | 21h 26m |
| 2026-05-15 | JBU394 | DEN → BOS | May 15, 21:24 UTC | May 16, 19:40 UTC | 22h 17m |
| 2026-05-15 | JBU810 | NAS → BOS | May 15, 11:19 UTC | May 16, 10:31 UTC | 23h 12m |
| 2026-05-14 | JBU321 | BOS → PBI | May 14, 14:52 UTC | May 15, 14:30 UTC | 23h 39m |
| 2026-05-14 | JBU159 | BOS → PHL | May 14, 10:10 UTC | May 14, 11:20 UTC | 1h 10m |
| 2026-05-14 | JBU159 | BOS → PHL | May 14, 10:10 UTC | May 15, 05:10 UTC | 19h 1m |
| 2026-05-13 | JBU394 | DEN → BOS | May 13, 20:40 UTC | May 14, 00:05 UTC | 3h 25m |
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 N3157J page for operator, model, and routing details .