Apparatus

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sensors Mode-S transponder

A1A458

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2048J · AIRBUS A-321neo · operated by UMB BANK TRUSTEE

Hex
A1A458
Octal
50322130
Decimal
10,593,368
Country
US
Tail
N2048J
Type
A21N
No current signal · last broadcast Jul 26, 22:00 UTC
Flights observed
72
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:00 UTC

Last known position

Most recent position reported by Mode-S A1A458.

Country allocation

The ICAO 24-bit address A1A458 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
JBU505 - 5 2026-07-17
JBU1682 JetBlue Airways 4 2026-07-23
JBU528 - 3 2026-06-28
JBU2018 JetBlue Airways 3 2026-07-25
JBU1769 JetBlue Airways 3 2026-07-26
JBU1533 - 3 2026-07-21
JBU1532 JetBlue Airways 3 2026-07-22
JBU1255 - 3 2026-06-28
JBU117 JetBlue Airways 3 2026-07-25
JBU8642 - 2 2026-06-17
JBU788 - 2 2026-07-11
JBU787 - 2 2026-07-11
JBU466 - 2 2026-07-16
JBU2957 - 2 2026-07-03
JBU2110 - 2 2026-07-02
JBU2080 - 2 2026-07-18
JBU1965 - 2 2026-07-12
JBU1770 - 2 2026-07-19
JBU169 - 2 2026-06-23
JBU1681 - 2 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JBU1769 JFK → GYE Jul 26, 03:49 UTCJul 26, 22:00 UTC18h 12m
2026-07-25 JBU2018 MIA → BOS Jul 25, 20:00 UTCJul 26, 18:00 UTC22h 1m
2026-07-25 JBU117 BOS → ATL Jul 25, 13:10 UTCJul 26, 07:30 UTC18h 21m
2026-07-25 JBU117 BOS → ATL Jul 25, 13:10 UTCJul 25, 18:10 UTC5h 0m
2026-07-24 JBU1852 CUN → JFK Jul 24, 20:10 UTCJul 24, 23:25 UTC3h 15m
2026-07-24 JBU1851 JFK → CUN Jul 24, 14:55 UTCJul 24, 18:10 UTC3h 15m
2026-07-24 JBU709 JFK → SJU Jul 24, 03:40 UTCJul 24, 12:05 UTC8h 25m
2026-07-23 JBU1682 UVF → JFK Jul 23, 19:40 UTCJul 23, 22:50 UTC3h 10m
2026-07-23 JBU1682 UVF → JFK Jul 23, 18:45 UTCJul 23, 19:00 UTC15m
2026-07-23 JBU1681 - Jul 23, 12:20 UTCJul 23, 16:55 UTC4h 35m
2026-07-22 JBU1532 CTG → JFK Jul 22, 20:05 UTCJul 23, 00:35 UTC4h 30m
2026-07-21 JBU1533 JFK → CTG Jul 21, 14:15 UTCJul 21, 18:45 UTC4h 30m
2026-07-20 JBU2018 MIA → BOS Jul 20, 19:35 UTCJul 21, 00:10 UTC4h 34m
2026-07-20 JBU210 SDQ → JFK Jul 20, 03:18 UTCJul 21, 00:15 UTC20h 57m
2026-07-19 JBU609 BOS → JAX Jul 19, 22:22 UTCJul 20, 20:50 UTC22h 29m
2026-07-19 JBU1770 GYE → JFK Jul 19, 12:15 UTCJul 20, 06:55 UTC18h 41m
2026-07-18 JBU2080 FLL → DCA Jul 18, 02:05 UTCJul 18, 04:10 UTC2h 6m
2026-07-18 JBU2080 FLL → DCA Jul 18, 02:04 UTCJul 18, 19:45 UTC17h 42m
2026-07-17 JBU505 JFK → FLL Jul 17, 10:44 UTCJul 17, 22:35 UTC11h 50m
2026-07-16 JBU466 JFK → JFK Jul 16, 15:14 UTCJul 17, 03:55 UTC12h 40m
2026-07-15 JBU466 JFK → JFK Jul 15, 15:20 UTCJul 16, 03:25 UTC12h 5m
2026-07-14 JBU1059 JFK → KIN Jul 14, 04:38 UTCJul 14, 23:40 UTC19h 2m
2026-07-14 JBU1059 - Jul 14, 04:40 UTCJul 14, 06:55 UTC2h 15m
2026-07-13 JBU1533 JFK → CTG Jul 13, 13:40 UTCJul 14, 00:10 UTC10h 30m
2026-07-12 JBU1532 JFK → JFK Jul 12, 14:15 UTCJul 13, 00:20 UTC10h 5m
2026-07-12 JBU1965 JFK → JFK Jul 12, 00:01 UTCJul 12, 11:35 UTC11h 35m
2026-07-11 JBU788 SXM → JFK Jul 11, 15:18 UTCJul 12, 14:01 UTC22h 43m
2026-07-11 JBU787 - Jul 11, 10:25 UTCJul 11, 13:30 UTC3h 5m
2026-07-11 JBU787 JFK → SXM Jul 11, 10:21 UTCJul 12, 08:40 UTC22h 20m
2026-07-10 JBU1188 - Jul 10, 17:55 UTCJul 10, 23:35 UTC5h 40m
2026-07-09 JBU1965 JFK → GEO Jul 9, 23:34 UTCJul 10, 20:35 UTC21h 2m
2026-07-09 JBU1770 GYE → JFK Jul 9, 12:06 UTCJul 10, 11:35 UTC23h 29m
2026-07-09 JBU1769 JFK → GYE Jul 9, 03:30 UTCJul 10, 00:15 UTC20h 46m
2026-07-08 JBU1682 - Jul 8, 18:05 UTCJul 8, 22:00 UTC3h 55m
2026-07-08 JBU1682 UVF → JFK Jul 8, 18:02 UTCJul 9, 16:00 UTC21h 58m
2026-07-08 JBU1681 - Jul 8, 12:05 UTCJul 8, 16:40 UTC4h 35m
2026-07-07 JBU860 KIN → JFK Jul 7, 14:23 UTCJul 8, 13:25 UTC23h 2m
2026-07-07 JBU859 JFK → KIN Jul 7, 01:45 UTCJul 7, 21:35 UTC19h 51m
2026-07-06 JBU1769 JFK → GYE Jul 6, 05:50 UTCJul 7, 04:00 UTC22h 11m
2026-07-05 JBU1532 CTG → JFK Jul 5, 19:58 UTCJul 6, 18:00 UTC22h 3m
2026-07-05 JBU1533 JFK → CTG Jul 5, 13:46 UTCJul 6, 09:35 UTC19h 50m
2026-07-04 JBU1528 POP → JFK Jul 4, 21:23 UTCJul 5, 16:05 UTC18h 43m
2026-07-04 JBU1528 JFK → JFK Jul 4, 16:55 UTCJul 5, 00:50 UTC7h 55m
2026-07-03 JBU2957 - Jul 3, 10:15 UTCJul 3, 14:00 UTC3h 45m
2026-07-03 JBU2957 JFK → AUA Jul 3, 10:10 UTCJul 3, 20:15 UTC10h 5m
2026-07-02 JBU2110 SDQ → JFK Jul 2, 11:33 UTCJul 3, 02:15 UTC14h 42m
2026-07-01 JBU2110 JFK → JFK Jul 1, 20:55 UTCJul 2, 15:00 UTC18h 5m
2026-06-30 JBU610 SDQ → JFK Jun 30, 09:58 UTCJul 1, 00:55 UTC14h 58m
2026-06-29 JBU788 SXM → JFK Jun 29, 15:30 UTCJun 30, 13:25 UTC21h 56m
2026-06-28 JBU528 GYE → JFK Jun 28, 20:54 UTCJun 29, 19:20 UTC22h 26m

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 N2048J page for operator, model, and routing details .

Mode-S A1A458 frequently asked

What is Mode-S code A1A458?
A1A458 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2048J.
Where is Mode-S A1A458 registered?
Mode-S code A1A458 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 A1A458 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1A458, octal 50322130, decimal 10,593,368.
What flights does A1A458 operate?
Mode-S A1A458 has broadcast 20 distinct callsigns, including JBU505, JBU1682, JBU528, JBU2018, JBU1769.