sensors Mode-S transponder
A34978
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N3102J · AIRBUS A220-300 · operated by JETBLUE AIRWAYS CORP
- Hex
- A34978
- Octal
- 50644570
- Decimal
- 10,701,176
- Country
- US
- Tail
- N3102J
- Type
- BCS3
- Flights observed
- 168
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address A34978 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 |
|---|---|---|---|
| JBU716 | JetBlue Airways | 4 | 2026-05-26 |
| JBU579 | JetBlue Airways | 4 | 2026-04-26 |
| JBU450 | - | 3 | 2026-04-13 |
| JBU401 | JetBlue Airways | 3 | 2026-05-02 |
| JBU303 | JetBlue Airways | 3 | 2026-04-15 |
| JBU259 | JetBlue Airways | 3 | 2026-04-23 |
| JBU249 | - | 3 | 2026-04-13 |
| JBU2272 | JetBlue Airways | 3 | 2026-05-14 |
| JBU1781 | JetBlue Airways | 3 | 2026-05-18 |
| JBU160 | JetBlue Airways | 3 | 2026-04-23 |
| JBU1555 | JetBlue Airways | 3 | 2026-04-26 |
| JBU1302 | JetBlue Airways | 3 | 2026-04-15 |
| JBU1088 | JetBlue Airways | 3 | 2026-04-22 |
| JBU706 | JetBlue Airways | 2 | 2026-04-16 |
| JBU677 | JetBlue Airways | 2 | 2026-05-10 |
| JBU618 | JetBlue Airways | 2 | 2026-05-19 |
| JBU352 | JetBlue Airways | 2 | 2026-05-23 |
| JBU2896 | JetBlue Airways | 2 | 2026-05-29 |
| JBU2465 | JetBlue Airways | 2 | 2026-05-13 |
| JBU2423 | JetBlue Airways | 2 | 2026-04-14 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | JBU2896 | PUJ → BOS | May 29, 21:55 UTC | May 30, 00:25 UTC | 2h 30m |
| 2026-05-29 | JBU2896 | PUJ → BOS | May 29, 21:50 UTC | May 30, 11:35 UTC | 13h 46m |
| 2026-05-29 | JBU2895 | BOS → PUJ | May 29, 10:55 UTC | May 29, 20:05 UTC | 9h 10m |
| 2026-05-28 | JBU2230 | MKE → BOS | May 28, 13:44 UTC | May 29, 12:00 UTC | 22h 16m |
| 2026-05-28 | JBU2229 | BOS → MKE | May 28, 10:31 UTC | May 29, 01:15 UTC | 14h 44m |
| 2026-05-27 | JBU493 | BOS → DEN | May 27, 14:50 UTC | May 28, 14:00 UTC | 23h 10m |
| 2026-05-27 | JBU1337 | BOS → DTW | May 27, 00:49 UTC | May 28, 00:00 UTC | 23h 12m |
| 2026-05-26 | JBU2033 | BOS → IAH | May 26, 14:09 UTC | May 27, 14:00 UTC | 23h 51m |
| 2026-05-26 | JBU716 | BUF → BOS | May 26, 11:54 UTC | May 26, 12:54 UTC | 1h 0m |
| 2026-05-26 | JBU716 | BUF → BOS | May 26, 11:53 UTC | May 27, 02:29 UTC | 14h 37m |
| 2026-05-26 | JBU715 | BOS → BUF | May 26, 01:00 UTC | May 26, 02:04 UTC | 1h 5m |
| 2026-05-25 | JBU782 | MBJ → JFK | May 25, 22:15 UTC | May 25, 23:24 UTC | 1h 10m |
| 2026-05-25 | JBU781 | BOS → RIC | May 25, 19:40 UTC | May 25, 21:04 UTC | 1h 25m |
| 2026-05-25 | JBU2454 | DCA → BOS | May 25, 17:15 UTC | May 25, 18:20 UTC | 1h 5m |
| 2026-05-25 | JBU2355 | BOS → DCA | May 25, 14:40 UTC | May 25, 16:00 UTC | 1h 20m |
| 2026-05-25 | JBU1484 | RDU → BOS | May 25, 10:00 UTC | May 25, 11:20 UTC | 1h 20m |
| 2026-05-25 | JBU185 | ROC → JFK | May 25, 02:30 UTC | May 25, 03:45 UTC | 1h 15m |
| 2026-05-24 | JBU1852 | CUN → JFK | May 24, 20:25 UTC | May 24, 23:46 UTC | 3h 21m |
| 2026-05-24 | JBU1851 | JFK → CUN | May 24, 14:45 UTC | May 24, 18:20 UTC | 3h 35m |
| 2026-05-23 | JBU1450 | STI → FLL | May 23, 23:22 UTC | May 24, 21:50 UTC | 22h 28m |
| 2026-05-23 | JBU69 | BOS → FLL | May 23, 15:45 UTC | May 23, 16:00 UTC | 15m |
| 2026-05-23 | JBU352 | BOS → ACK | May 23, 11:35 UTC | May 23, 14:00 UTC | 2h 25m |
| 2026-05-23 | JBU352 | BOS → ACK | May 23, 11:35 UTC | May 24, 01:15 UTC | 13h 41m |
| 2026-05-23 | JBU2583 | JFK → MCO | May 23, 00:00 UTC | May 23, 02:15 UTC | 2h 15m |
| 2026-05-21 | JBU2129 | BOS → SDQ | May 21, 18:57 UTC | May 22, 16:20 UTC | 21h 24m |
| 2026-05-21 | JBU2012 | VPS → JFK | May 21, 15:25 UTC | May 21, 17:20 UTC | 1h 55m |
| 2026-05-21 | JBU2012 | VPS → JFK | May 21, 15:11 UTC | May 22, 13:45 UTC | 22h 34m |
| 2026-05-21 | JBU2011 | JFK → VPS | May 21, 11:10 UTC | May 21, 13:15 UTC | 2h 5m |
| 2026-05-20 | JBU1306 | IAD → JFK | May 20, 14:00 UTC | May 21, 12:00 UTC | 22h 1m |
| 2026-05-19 | JBU811 | BOS → ORD | May 19, 23:27 UTC | May 20, 20:25 UTC | 20h 59m |
| 2026-05-19 | JBU618 | JFK → BOS | May 19, 20:36 UTC | May 20, 18:00 UTC | 21h 25m |
| 2026-05-19 | JBU618 | JFK → BOS | May 19, 20:40 UTC | May 19, 21:20 UTC | 40m |
| 2026-05-19 | JBU1420 | DTW → JFK | May 19, 16:25 UTC | May 19, 18:25 UTC | 2h 0m |
| 2026-05-19 | JBU199 | BOS → PHL | May 19, 01:45 UTC | May 19, 02:00 UTC | 15m |
| 2026-05-18 | JBU1782 | VPS → BOS | May 18, 21:45 UTC | May 19, 00:20 UTC | 2h 35m |
| 2026-05-18 | JBU1782 | VPS → BOS | May 18, 21:37 UTC | May 19, 18:25 UTC | 20h 48m |
| 2026-05-18 | JBU1781 | BOS → MCO | May 18, 17:30 UTC | May 18, 20:05 UTC | 2h 34m |
| 2026-05-18 | JBU1012 | ORD → BOS | May 18, 12:25 UTC | May 18, 14:15 UTC | 1h 50m |
| 2026-05-17 | JBU1290 | ILM → BOS | May 17, 18:50 UTC | May 17, 20:25 UTC | 1h 35m |
| 2026-05-17 | JBU1290 | ILM → BOS | May 17, 18:41 UTC | May 18, 18:00 UTC | 23h 20m |
| 2026-05-17 | JBU1293 | BOS → ILM | May 17, 15:35 UTC | May 17, 17:10 UTC | 1h 35m |
| 2026-05-17 | JBU1293 | BOS → ILM | May 17, 13:20 UTC | May 17, 13:55 UTC | 35m |
| 2026-05-17 | JBU720 | ATL → JFK | May 17, 10:15 UTC | May 17, 11:25 UTC | 1h 10m |
| 2026-05-17 | JBU1419 | BOS → JAX | May 17, 01:50 UTC | May 17, 03:15 UTC | 1h 25m |
| 2026-05-16 | JBU854 | PBI → JFK | May 16, 15:40 UTC | May 16, 18:05 UTC | 2h 25m |
| 2026-05-16 | JBU1153 | JFK → PBI | May 16, 10:25 UTC | May 16, 12:40 UTC | 2h 15m |
| 2026-05-15 | JBU2119 | ORH → FLL | May 15, 21:08 UTC | May 16, 02:00 UTC | 4h 52m |
| 2026-05-15 | JBU1675 | FLL → KIN | May 15, 11:18 UTC | May 16, 03:35 UTC | 16h 17m |
| 2026-05-15 | JBU513 | ISP → FLL | May 15, 01:00 UTC | May 16, 00:00 UTC | 23h 0m |
| 2026-05-14 | JBU1576 | KIN → FLL | May 14, 18:00 UTC | May 15, 15:45 UTC | 21h 45m |
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 N3102J page for operator, model, and routing details .