Apparatus

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sensors Mode-S transponder

ADDADB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N992JB · AIRBUS A-321 · operated by JETBLUE AIRWAYS CORP

Hex
ADDADB
Octal
53355333
Decimal
11,393,755
Country
US
Tail
N992JB
Type
A321
No current signal · last broadcast Jul 26, 20:55 UTC
Flights observed
296
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 20:55 UTC

Last known position

Most recent position reported by Mode-S ADDADB.

Country allocation

The ICAO 24-bit address ADDADB 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
JBU416 - 10 2026-07-11
JBU1997 JetBlue Airways 9 2026-04-18
JBU778 - 6 2026-07-16
JBU1756 JetBlue Airways 6 2026-05-16
JBU957 JetBlue Airways 5 2026-05-16
JBU833 - 5 2026-07-17
JBU733 - 5 2026-07-16
JBU607 JetBlue Airways 5 2026-05-15
JBU423 - 5 2026-06-24
JBU373 JetBlue Airways 5 2026-05-30
JBU15 JetBlue Airways 5 2026-06-14
JBU1388 - 5 2026-06-28
JBU134 - 5 2026-07-17
JBU919 JetBlue Airways 4 2026-05-06
JBU615 JetBlue Airways 4 2026-06-26
JBU578 JetBlue Airways 4 2026-05-15
JBU434 JetBlue Airways 4 2026-07-22
JBU424 - 4 2026-06-18
JBU233 - 4 2026-07-18
JBU223 - 4 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JBU387 BOS → SEA Jul 26, 00:45 UTCJul 26, 06:05 UTC5h 20m
2026-07-26 JBU387 BOS → SEA Jul 26, 00:41 UTCJul 26, 20:55 UTC20h 15m
2026-07-25 JBU1878 SXM → BOS Jul 25, 18:30 UTCJul 25, 22:05 UTC3h 35m
2026-07-25 JBU1877 BOS → SXM Jul 25, 12:00 UTCJul 25, 16:10 UTC4h 10m
2026-07-24 JBU215 BOS → DFW Jul 24, 14:53 UTCJul 25, 13:40 UTC22h 47m
2026-07-24 JBU215 BOS → DFW Jul 24, 14:55 UTCJul 24, 20:45 UTC5h 50m
2026-07-24 JBU604 YVR → JFK Jul 24, 06:40 UTCJul 24, 11:00 UTC4h 20m
2026-07-23 JBU603 JFK → YVR Jul 23, 23:10 UTCJul 24, 04:55 UTC5h 45m
2026-07-23 JBU524 LAX → JFK Jul 23, 14:45 UTCJul 23, 19:40 UTC4h 55m
2026-07-22 JBU487 BOS → LAX Jul 22, 20:40 UTCJul 23, 02:20 UTC5h 40m
2026-07-22 JBU434 SFO → BOS Jul 22, 13:35 UTCJul 22, 18:30 UTC4h 55m
2026-07-22 JBU413 - Jul 22, 11:10 UTCJul 22, 11:20 UTC10m
2026-07-21 JBU1734 SFO → BOS Jul 21, 20:15 UTCJul 22, 01:10 UTC4h 55m
2026-07-20 JBU924 - Jul 20, 23:20 UTCJul 21, 04:25 UTC5h 4m
2026-07-20 JBU924 LAX → JFK Jul 20, 23:18 UTCJul 21, 22:45 UTC23h 27m
2026-07-20 JBU1123 JFK → LAX Jul 20, 16:55 UTCJul 20, 21:50 UTC4h 55m
2026-07-20 JBU948 LAS → JFK Jul 20, 10:15 UTCJul 20, 14:50 UTC4h 35m
2026-07-20 JBU777 BOS → LAS Jul 20, 03:45 UTCJul 20, 08:40 UTC4h 55m
2026-07-19 JBU988 - Jul 19, 20:25 UTCJul 20, 01:40 UTC5h 15m
2026-07-19 JBU278 SFO → FLL Jul 19, 06:30 UTCJul 19, 11:45 UTC5h 15m
2026-07-19 JBU278 SFO → FLL Jul 19, 06:30 UTCJul 20, 04:45 UTC22h 16m
2026-07-18 JBU233 BOS → SFO Jul 18, 20:35 UTCJul 19, 02:30 UTC5h 55m
2026-07-18 JBU888 LAX → BOS Jul 18, 13:10 UTCJul 18, 18:35 UTC5h 25m
2026-07-17 JBU216 SFO → JFK Jul 17, 20:27 UTCJul 18, 18:45 UTC22h 19m
2026-07-17 JBU833 BOS → SFO Jul 17, 12:35 UTCJul 17, 18:15 UTC5h 40m
2026-07-17 JBU833 BOS → SFO Jul 17, 12:34 UTCJul 18, 08:55 UTC20h 22m
2026-07-17 JBU833 BOS → BOS Jul 17, 11:55 UTCJul 17, 12:00 UTC5m
2026-07-17 JBU134 BOS → BOS Jul 17, 11:15 UTCJul 17, 11:20 UTC5m
2026-07-17 JBU134 - Jul 17, 05:04 UTCJul 17, 10:10 UTC5h 5m
2026-07-16 JBU733 BOS → SFO Jul 16, 21:19 UTCJul 17, 02:59 UTC5h 40m
2026-07-16 JBU778 LAS → BOS Jul 16, 04:35 UTCJul 17, 02:45 UTC22h 10m
2026-07-16 JBU778 LAS → BOS Jul 16, 04:35 UTCJul 16, 09:20 UTC4h 45m
2026-07-15 JBU1211 JFK → LAS Jul 15, 21:05 UTCJul 16, 01:35 UTC4h 30m
2026-07-15 JBU1511 JFK → LAS Jul 15, 02:47 UTCJul 15, 22:45 UTC19h 58m
2026-07-14 JBU324 LAX → JFK Jul 14, 18:43 UTCJul 15, 16:45 UTC22h 2m
2026-07-14 JBU223 JFK → LAX Jul 14, 11:40 UTCJul 14, 16:30 UTC4h 50m
2026-07-14 JBU223 JFK → LAX Jul 14, 11:40 UTCJul 15, 07:20 UTC19h 40m
2026-07-13 JBU924 - Jul 13, 22:30 UTCJul 14, 03:45 UTC5h 15m
2026-07-13 JBU1487 BOS → LAX Jul 13, 15:40 UTCJul 13, 20:45 UTC5h 5m
2026-07-13 JBU1034 - Jul 13, 08:05 UTCJul 13, 13:20 UTC5h 15m
2026-07-13 JBU1633 - Jul 13, 00:45 UTCJul 13, 06:30 UTC5h 45m
2026-07-12 JBU988 - Jul 12, 17:01 UTCJul 12, 22:20 UTC5h 20m
2026-07-12 JBU123 JFK → LAX Jul 12, 10:10 UTCJul 12, 15:10 UTC5h 0m
2026-07-11 JBU416 - Jul 11, 22:55 UTCJul 12, 04:01 UTC5h 5m
2026-07-11 JBU1633 BOS → SFO Jul 11, 00:58 UTCJul 12, 00:40 UTC23h 43m
2026-07-10 JBU1734 - Jul 10, 17:55 UTCJul 10, 23:10 UTC5h 15m
2026-07-10 JBU1734 SFO → BOS Jul 10, 17:54 UTCJul 11, 16:45 UTC22h 52m
2026-07-10 JBU115 JFK → SFO Jul 10, 10:15 UTCJul 10, 16:10 UTC5h 55m
2026-07-09 JBU1487 BOS → LAX Jul 9, 15:16 UTCJul 10, 14:45 UTC23h 29m
2026-07-09 JBU1487 BOS → LAX Jul 9, 15:20 UTCJul 9, 21:00 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 N992JB page for operator, model, and routing details .

Mode-S ADDADB frequently asked

What is Mode-S code ADDADB?
ADDADB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N992JB.
Where is Mode-S ADDADB registered?
Mode-S code ADDADB 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 ADDADB broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ADDADB, octal 53355333, decimal 11,393,755.
What flights does ADDADB operate?
Mode-S ADDADB has broadcast 20 distinct callsigns, including JBU416, JBU1997, JBU778, JBU1756, JBU957.