Apparatus

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sensors Mode-S transponder

A781D7

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N583JB · AIRBUS A-320 · operated by JETBLUE AIRWAYS CORP

Hex
A781D7
Octal
51700727
Decimal
10,977,751
Country
US
Tail
N583JB
Type
A320
No current signal · last broadcast 3h ago
Flights observed
156
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A781D7.

Country allocation

The ICAO 24-bit address A781D7 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
JBU472 JetBlue Airways 5 2026-05-14
JBU1104 JetBlue Airways 5 2026-05-06
JBU369 - 3 2026-04-13
JBU2930 JetBlue Airways 3 2026-05-10
JBU2054 JetBlue Airways 3 2026-04-29
JBU151 JetBlue Airways 3 2026-05-07
JBU884 JetBlue Airways 2 2026-05-07
JBU83 JetBlue Airways 2 2026-05-23
JBU656 JetBlue Airways 2 2026-04-21
JBU58 JetBlue Airways 2 2026-05-18
JBU571 JetBlue Airways 2 2026-05-15
JBU553 JetBlue Airways 2 2026-04-13
JBU488 JetBlue Airways 2 2026-04-20
JBU471 JetBlue Airways 2 2026-04-15
JBU454 JetBlue Airways 2 2026-04-14
JBU371 JetBlue Airways 2 2026-05-12
JBU308 JetBlue Airways 2 2026-05-18
JBU2536 JetBlue Airways 2 2026-04-30
JBU2276 JetBlue Airways 2 2026-04-13
JBU2266 JetBlue Airways 2 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 JBU2875 PVD → MCO May 30, 00:15 UTCMay 30, 02:35 UTC2h 20m
2026-05-29 JBU1014 CUN → MCO May 29, 21:05 UTCMay 29, 22:30 UTC1h 25m
2026-05-29 JBU1013 MCO → CUN May 29, 17:10 UTCMay 29, 18:50 UTC1h 40m
2026-05-29 JBU1406 SDQ → MCO May 29, 04:00 UTCMay 29, 15:00 UTC11h 0m
2026-05-28 JBU1096 ATL → BOS May 28, 23:50 UTCMay 29, 01:50 UTC2h 0m
2026-05-28 JBU897 BOS → LIR May 28, 20:00 UTCMay 28, 22:10 UTC2h 10m
2026-05-28 JBU1118 JFK → BOS May 28, 17:40 UTCMay 28, 18:20 UTC40m
2026-05-27 JBU637 JFK → STI May 27, 20:55 UTCMay 28, 15:40 UTC18h 45m
2026-05-27 JBU1060 KIN → JFK May 27, 14:14 UTCMay 27, 22:30 UTC8h 16m
2026-05-27 JBU59 JFK → MCO May 27, 09:25 UTCMay 27, 17:35 UTC8h 10m
2026-05-26 JBU156 PLS → JFK May 26, 19:20 UTCMay 26, 21:14 UTC1h 55m
2026-05-26 JBU255 JFK → PLS May 26, 14:05 UTCMay 26, 14:35 UTC30m
2026-05-25 JBU1867 HPN → PBI May 25, 12:25 UTCMay 25, 14:30 UTC2h 5m
2026-05-25 JBU1867 HPN → PBI May 25, 12:22 UTCMay 26, 04:10 UTC15h 48m
2026-05-25 JBU359 JFK → BUR May 25, 04:50 UTCMay 25, 09:35 UTC4h 45m
2026-05-24 JBU358 BUR → JFK May 24, 23:00 UTCMay 25, 03:30 UTC4h 30m
2026-05-24 JBU2102 FLL → JFK May 24, 17:10 UTCMay 24, 19:40 UTC2h 30m
2026-05-24 JBU1 JFK → FLL May 24, 12:10 UTCMay 24, 14:50 UTC2h 40m
2026-05-23 JBU2984 MCO → JFK May 23, 21:05 UTCMay 23, 23:15 UTC2h 10m
2026-05-23 JBU83 JFK → SEA May 23, 17:25 UTCMay 23, 19:25 UTC2h 0m
2026-05-23 JBU1323 BOS → PBI May 23, 00:25 UTCMay 23, 01:20 UTC56m
2026-05-23 JBU1323 BOS → PBI May 23, 00:25 UTCMay 23, 15:30 UTC15h 4m
2026-05-22 JBU592 MCO → HPN May 22, 19:50 UTCMay 22, 22:20 UTC2h 30m
2026-05-22 JBU564 PUJ → TPA May 22, 11:25 UTCMay 22, 17:25 UTC6h 0m
2026-05-21 JBU591 BOS → TPA May 21, 23:50 UTCMay 22, 02:40 UTC2h 50m
2026-05-21 JBU2052 MCO → BOS May 21, 19:50 UTCMay 21, 22:20 UTC2h 30m
2026-05-21 JBU193 JFK → MCO May 21, 02:11 UTCMay 22, 01:45 UTC23h 35m
2026-05-20 JBU1230 CUN → EWR May 20, 16:50 UTCMay 20, 20:15 UTC3h 25m
2026-05-20 JBU1230 CUN → EWR May 20, 16:48 UTCMay 21, 15:45 UTC22h 58m
2026-05-20 JBU1229 EWR → CUN May 20, 11:40 UTCMay 20, 14:55 UTC3h 15m
2026-05-19 JBU1812 RSW → EWR May 19, 21:20 UTCMay 19, 23:55 UTC2h 35m
2026-05-19 JBU251 BOS → MCO May 19, 17:15 UTCMay 19, 19:50 UTC2h 35m
2026-05-19 JBU225 JFK → TPA May 19, 01:25 UTCMay 19, 23:45 UTC22h 20m
2026-05-18 JBU879 LAS → LAX May 18, 14:05 UTCMay 19, 13:45 UTC23h 40m
2026-05-18 JBU308 JFK → PWM May 18, 02:20 UTCMay 18, 03:01 UTC40m
2026-05-18 JBU308 JFK → PWM May 18, 02:18 UTCMay 19, 01:45 UTC23h 27m
2026-05-18 JBU58 MCO → JFK May 18, 00:00 UTCMay 18, 00:50 UTC50m
2026-05-17 JBU58 MCO → JFK May 17, 20:40 UTCMay 17, 20:50 UTC10m
2026-05-17 JBU57 JFK → AUA May 17, 14:35 UTCMay 17, 18:45 UTC4h 10m
2026-05-16 JBU1972 FLL → LGA May 16, 20:53 UTCMay 17, 18:45 UTC21h 53m
2026-05-16 JBU1971 LGA → FLL May 16, 16:56 UTCMay 17, 15:15 UTC22h 20m
2026-05-16 JBU613 HPN → FLL May 16, 01:40 UTCMay 16, 23:00 UTC21h 21m
2026-05-15 JBU87 ALB → FLL May 15, 12:16 UTCMay 16, 11:41 UTC23h 25m
2026-05-15 JBU571 LGA → FLL May 15, 03:10 UTCMay 15, 03:45 UTC35m
2026-05-15 JBU571 LGA → FLL May 15, 03:10 UTCMay 16, 01:45 UTC22h 35m
2026-05-14 JBU472 SJC → BOS May 14, 23:25 UTCMay 15, 02:00 UTC2h 35m
2026-05-14 JBU2427 FLL → MBJ May 14, 16:55 UTCMay 14, 21:15 UTC4h 20m
2026-05-14 JBU2126 MBJ → FLL May 14, 14:40 UTCMay 14, 15:05 UTC25m
2026-05-14 JBU1327 FLL → MBJ May 14, 11:15 UTCMay 14, 11:50 UTC35m
2026-05-13 JBU2097 JFK → PVR May 13, 14:40 UTCMay 13, 16:05 UTC1h 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 N583JB page for operator, model, and routing details .

Mode-S A781D7 frequently asked

What is Mode-S code A781D7?
A781D7 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N583JB.
Where is Mode-S A781D7 registered?
Mode-S code A781D7 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 A781D7 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A781D7, octal 51700727, decimal 10,977,751.
What flights does A781D7 operate?
Mode-S A781D7 has broadcast 20 distinct callsigns, including JBU472, JBU1104, JBU369, JBU2930, JBU2054.