Apparatus

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sensors Mode-S transponder

ADAFB5

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N981JT · AIRBUS A-321 · operated by JETBLUE AIRWAYS CORPORATION

Hex
ADAFB5
Octal
53327665
Decimal
11,382,709
Country
US
Tail
N981JT
Type
A321
No current signal · last broadcast Jul 26, 21:15 UTC
Flights observed
305
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S ADAFB5.

Country allocation

The ICAO 24-bit address ADAFB5 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
JBU511 - 8 2026-04-16
JBU1524 JetBlue Airways 8 2026-05-20
JBU603 - 7 2026-06-25
JBU434 JetBlue Airways 7 2026-07-26
JBU423 JetBlue Airways 7 2026-06-08
JBU348 JetBlue Airways 7 2026-05-28
JBU324 - 7 2026-06-14
JBU487 JetBlue Airways 6 2026-07-26
JBU289 JetBlue Airways 6 2026-05-20
JBU278 - 6 2026-07-17
JBU1700 - 6 2026-07-18
JBU1388 JetBlue Airways 6 2026-07-25
JBU723 JetBlue Airways 5 2026-04-23
JBU624 JetBlue Airways 5 2026-07-19
JBU1201 JetBlue Airways 5 2026-07-25
JBU1190 - 5 2026-06-13
JBU988 - 4 2026-07-20
JBU816 - 4 2026-07-04
JBU608 - 4 2026-06-23
JBU523 - 4 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JBU487 BOS → LAX Jul 26, 20:30 UTCJul 26, 21:15 UTC45m
2026-07-26 JBU434 SFO → BOS Jul 26, 13:30 UTCJul 26, 18:40 UTC5h 10m
2026-07-26 JBU413 JFK → MCO Jul 26, 01:00 UTCJul 26, 06:45 UTC5h 46m
2026-07-25 JBU1388 LAX → BOS Jul 25, 18:10 UTCJul 25, 23:10 UTC5h 0m
2026-07-25 JBU1201 JFK → FLL Jul 25, 11:35 UTCJul 25, 16:10 UTC4h 35m
2026-07-25 JBU1400 MSY → BOS Jul 25, 04:00 UTCJul 25, 08:45 UTC4h 45m
2026-07-24 JBU487 BOS → LAX Jul 24, 20:40 UTCJul 25, 02:15 UTC5h 35m
2026-07-24 JBU434 SFO → BOS Jul 24, 13:35 UTCJul 24, 18:40 UTC5h 5m
2026-07-24 JBU413 JFK → MCO Jul 24, 01:15 UTCJul 24, 07:15 UTC6h 0m
2026-07-23 JBU1388 LAX → BOS Jul 23, 18:20 UTCJul 23, 23:25 UTC5h 5m
2026-07-23 JBU1573 EWR → LAX Jul 23, 11:10 UTCJul 23, 16:25 UTC5h 15m
2026-07-23 JBU1574 LAX → EWR Jul 23, 03:55 UTCJul 23, 08:35 UTC4h 40m
2026-07-22 JBU1523 JFK → LAX Jul 22, 19:55 UTCJul 23, 01:10 UTC5h 15m
2026-07-22 JBU124A - Jul 22, 13:20 UTCJul 22, 18:15 UTC4h 55m
2026-07-22 JBU1487 BOS → LAX Jul 22, 04:20 UTCJul 22, 05:25 UTC1h 5m
2026-07-21 JBU188 LAX → BOS Jul 21, 21:55 UTCJul 22, 02:55 UTC5h 0m
2026-07-21 JBU523 - Jul 21, 14:40 UTCJul 21, 19:50 UTC5h 10m
2026-07-20 JBU988 - Jul 20, 17:30 UTCJul 20, 22:55 UTC5h 25m
2026-07-20 JBU988 LAX → BOS Jul 20, 17:26 UTCJul 21, 17:15 UTC23h 49m
2026-07-20 JBU123 JFK → LAX Jul 20, 10:15 UTCJul 20, 15:10 UTC4h 55m
2026-07-19 JBU624 HOU → JFK Jul 19, 22:45 UTCJul 20, 03:50 UTC5h 5m
2026-07-19 JBU700 LAX → FLL Jul 19, 06:47 UTCJul 20, 03:50 UTC21h 3m
2026-07-18 JBU1700 - Jul 18, 15:55 UTCJul 18, 20:45 UTC4h 50m
2026-07-18 JBU1700 LAX → FLL Jul 18, 15:53 UTCJul 19, 11:55 UTC20h 3m
2026-07-17 JBU100 - Jul 17, 19:55 UTCJul 18, 00:45 UTC4h 50m
2026-07-17 JBU100 LAX → FLL Jul 17, 19:52 UTCJul 18, 19:15 UTC23h 24m
2026-07-17 JBU2801 - Jul 17, 13:25 UTCJul 17, 18:15 UTC4h 50m
2026-07-17 JBU278 - Jul 17, 06:10 UTCJul 17, 11:30 UTC5h 20m
2026-07-16 JBU233 BOS → SFO Jul 16, 20:05 UTCJul 17, 01:45 UTC5h 40m
2026-07-16 JBU888 LAX → BOS Jul 16, 13:19 UTCJul 16, 17:14 UTC3h 56m
2026-07-16 JBU923 - Jul 16, 02:55 UTCJul 16, 08:10 UTC5h 15m
2026-07-16 JBU923 JFK → LAX Jul 16, 02:54 UTCJul 17, 01:15 UTC22h 21m
2026-07-15 JBU190 - Jul 15, 19:05 UTCJul 16, 00:40 UTC5h 35m
2026-07-15 JBU189 JFK → SAN Jul 15, 11:55 UTCJul 15, 16:45 UTC4h 50m
2026-07-14 JBU624 - Jul 14, 22:10 UTCJul 15, 03:20 UTC5h 9m
2026-07-14 JBU1401 PPM → LAX Jul 14, 15:35 UTCJul 14, 20:35 UTC5h 0m
2026-07-14 JBU700 - Jul 14, 06:55 UTCJul 14, 11:35 UTC4h 40m
2026-07-13 JBU101 PPM → LAX Jul 13, 22:55 UTCJul 14, 04:00 UTC5h 5m
2026-07-13 JBU1700 - Jul 13, 16:00 UTCJul 13, 20:50 UTC4h 50m
2026-07-13 JBU2073 EWR → LAX Jul 13, 01:20 UTCJul 13, 06:15 UTC4h 55m
2026-07-12 JBU1874 - Jul 12, 18:10 UTCJul 12, 23:15 UTC5h 5m
2026-07-12 JBU287 BOS → LAX Jul 12, 10:10 UTCJul 12, 15:20 UTC5h 10m
2026-07-11 JBU215 JFK → SFO Jul 11, 15:08 UTCJul 12, 13:15 UTC22h 8m
2026-07-11 JBU215 JFK → SFO Jul 11, 15:10 UTCJul 11, 20:40 UTC5h 30m
2026-07-11 JBU948 LAS → JFK Jul 11, 07:15 UTCJul 11, 11:30 UTC4h 15m
2026-07-11 JBU777 - Jul 11, 00:25 UTCJul 11, 05:35 UTC5h 10m
2026-07-10 JBU988 - Jul 10, 17:15 UTCJul 10, 22:15 UTC5h 0m
2026-07-10 JBU2501 - Jul 10, 02:10 UTCJul 10, 07:10 UTC5h 0m
2026-07-09 JBU100 - Jul 9, 19:30 UTCJul 10, 00:10 UTC4h 40m
2026-07-09 JBU687 - Jul 9, 11:55 UTCJul 9, 17:35 UTC5h 40m

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 N981JT page for operator, model, and routing details .

Mode-S ADAFB5 frequently asked

What is Mode-S code ADAFB5?
ADAFB5 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N981JT.
Where is Mode-S ADAFB5 registered?
Mode-S code ADAFB5 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 ADAFB5 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ADAFB5, octal 53327665, decimal 11,382,709.
What flights does ADAFB5 operate?
Mode-S ADAFB5 has broadcast 20 distinct callsigns, including JBU511, JBU1524, JBU603, JBU434, JBU423.