Apparatus

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sensors Mode-S transponder

A8BC71

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N662JB · AIRBUS A-320 · operated by JETBLUE AIRWAYS CORP

Hex
A8BC71
Octal
52136161
Decimal
11,058,289
Country
US
Tail
N662JB
Type
A320
Broadcasting now · callsign JBU1171 · 37,025 ft
Flights observed
145
Distinct callsigns
20
Country
US
Last broadcast
55m ago

Current position

A8BC71 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A8BC71 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
JBU1586 JetBlue Airways 4 2026-04-30
JBU972 JetBlue Airways 3 2026-04-16
JBU592 JetBlue Airways 3 2026-05-28
JBU1702 JetBlue Airways 3 2026-05-06
JBU1142 JetBlue Airways 3 2026-05-16
JBU1141 JetBlue Airways 3 2026-05-16
JBU997 JetBlue Airways 2 2026-04-15
JBU929 JetBlue Airways 2 2026-04-26
JBU853 - 2 2026-04-14
JBU605 JetBlue Airways 2 2026-05-13
JBU591 JetBlue Airways 2 2026-05-29
JBU563 JetBlue Airways 2 2026-05-28
JBU533 JetBlue Airways 2 2026-05-17
JBU499 JetBlue Airways 2 2026-04-16
JBU390 JetBlue Airways 2 2026-04-22
JBU389 JetBlue Airways 2 2026-05-08
JBU2536 JetBlue Airways 2 2026-05-18
JBU2486 JetBlue Airways 2 2026-04-27
JBU2433 JetBlue Airways 2 2026-04-15
JBU2334 JetBlue Airways 2 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 JBU591 BOS → TPA May 29, 00:44 UTCMay 30, 00:15 UTC23h 31m
2026-05-28 JBU592 MCO → HPN May 28, 20:09 UTCMay 29, 17:05 UTC20h 57m
2026-05-28 JBU592 MCO → HPN May 28, 20:10 UTCMay 28, 22:55 UTC2h 45m
2026-05-28 JBU563 TPA → PUJ May 28, 11:10 UTCMay 28, 17:25 UTC6h 15m
2026-05-28 JBU591 BOS → TPA May 28, 00:45 UTCMay 28, 04:00 UTC3h 15m
2026-05-27 JBU592 MCO → HPN May 27, 19:45 UTCMay 27, 22:30 UTC2h 45m
2026-05-27 JBU563 TPA → PUJ May 27, 10:50 UTCMay 27, 16:50 UTC6h 0m
2026-05-26 JBU1326 BWI → BOS May 26, 21:19 UTCMay 27, 20:15 UTC22h 56m
2026-05-26 JBU827 JFK → SDQ May 26, 18:45 UTCMay 26, 19:15 UTC30m
2026-05-26 JBU1697 ATL → FLL May 26, 15:00 UTCMay 26, 16:30 UTC1h 30m
2026-05-25 JBU2119 ORH → FLL May 25, 22:19 UTCMay 26, 01:05 UTC2h 45m
2026-05-25 JBU2119 ORH → FLL May 25, 22:18 UTCMay 26, 19:15 UTC20h 57m
2026-05-25 JBU2020 FLL → ORH May 25, 18:45 UTCMay 25, 21:24 UTC2h 39m
2026-05-24 JBU2488 SDQ → FLL May 24, 22:55 UTCMay 25, 22:15 UTC23h 20m
2026-05-24 JBU2549 FLL → SDQ May 24, 19:25 UTCMay 24, 23:25 UTC4h 0m
2026-05-24 JBU1576 KIN → FLL May 24, 13:15 UTCMay 24, 17:40 UTC4h 25m
2026-05-23 JBU1912 RSW → EWR May 23, 19:15 UTCMay 23, 21:35 UTC2h 20m
2026-05-23 JBU1912 RSW → EWR May 23, 19:15 UTCMay 24, 17:40 UTC22h 25m
2026-05-23 JBU1103 BDL → RSW May 23, 14:50 UTCMay 23, 17:35 UTC2h 45m
2026-05-23 JBU1476 SJU → BDL May 23, 10:10 UTCMay 23, 13:40 UTC3h 30m
2026-05-22 JBU861 BOS → SJU May 22, 12:20 UTCMay 22, 15:45 UTC3h 25m
2026-05-21 JBU350 GND → JFK May 21, 19:50 UTCMay 22, 15:45 UTC19h 56m
2026-05-21 JBU149 JFK → GND May 21, 14:05 UTCMay 21, 21:10 UTC7h 5m
2026-05-20 JBU1730 RSW → JFK May 20, 15:20 UTCMay 20, 17:45 UTC2h 25m
2026-05-19 JBU1529 JFK → RSW May 19, 10:50 UTCMay 19, 13:20 UTC2h 30m
2026-05-19 JBU1529 JFK → RSW May 19, 10:46 UTCMay 19, 21:45 UTC10h 59m
2026-05-19 JBU36 PHX → JFK May 19, 04:15 UTCMay 19, 08:40 UTC4h 25m
2026-05-18 JBU735 BOS → SFO May 18, 22:15 UTCMay 19, 03:00 UTC4h 45m
2026-05-18 JBU2536 STI → JFK May 18, 19:35 UTCMay 18, 20:20 UTC45m
2026-05-18 JBU2536 STI → JFK May 18, 16:25 UTCMay 18, 16:45 UTC20m
2026-05-17 JBU2826 TPA → JFK May 17, 18:13 UTCMay 18, 11:25 UTC17h 13m
2026-05-17 JBU533 BDL → TPA May 17, 11:35 UTCMay 17, 14:05 UTC2h 30m
2026-05-17 JBU533 BDL → TPA May 17, 11:35 UTCMay 18, 00:40 UTC13h 6m
2026-05-16 JBU1242 PBI → BDL May 16, 23:20 UTCMay 17, 01:45 UTC2h 25m
2026-05-16 JBU1141 BDL → PBI May 16, 19:20 UTCMay 16, 21:50 UTC2h 30m
2026-05-16 JBU1142 PBI → BDL May 16, 15:40 UTCMay 16, 18:00 UTC2h 20m
2026-05-15 JBU534 SFO → BOS May 15, 23:45 UTCMay 16, 00:15 UTC30m
2026-05-15 JBU1752 MCO → BOS May 15, 19:45 UTCMay 15, 22:25 UTC2h 40m
2026-05-15 JBU1752 MCO → BOS May 15, 19:43 UTCMay 16, 18:00 UTC22h 18m
2026-05-15 JBU2475 BDL → SJU May 15, 14:35 UTCMay 15, 18:20 UTC3h 44m
2026-05-15 JBU1475 BDL → SJU May 15, 00:15 UTCMay 15, 22:15 UTC22h 0m
2026-05-14 JBU435 BOS → DCA May 14, 17:30 UTCMay 15, 15:40 UTC22h 10m
2026-05-14 JBU936 SJU → STT May 14, 16:00 UTCMay 15, 13:25 UTC21h 26m
2026-05-14 JBU1033 MCO → SJU May 14, 12:15 UTCMay 15, 09:55 UTC21h 41m
2026-05-13 JBU1809 EWR → SDQ May 13, 17:38 UTCMay 14, 16:15 UTC22h 38m
2026-05-13 JBU605 JFK → ORD May 13, 09:35 UTCMay 13, 10:15 UTC40m
2026-05-13 JBU605 JFK → ORD May 13, 09:34 UTCMay 14, 03:55 UTC18h 22m
2026-05-11 JBU8440 JFK → BOS May 11, 21:51 UTCMay 11, 22:35 UTC44m
2026-05-09 JBU634 SFO → BOS May 9, 23:05 UTCMay 10, 16:59 UTC17h 55m
2026-05-09 JBU1719 JFK → ATL May 9, 17:35 UTCMay 9, 20:55 UTC3h 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 N662JB page for operator, model, and routing details .

Mode-S A8BC71 frequently asked

What is Mode-S code A8BC71?
A8BC71 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N662JB.
Where is Mode-S A8BC71 registered?
Mode-S code A8BC71 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A8BC71 broadcasting right now?
Yes. Mode-S A8BC71 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8BC71, octal 52136161, decimal 11,058,289.
What flights does A8BC71 operate?
Mode-S A8BC71 has broadcast 20 distinct callsigns, including JBU1586, JBU972, JBU592, JBU1702, JBU1142.