Apparatus

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sensors Mode-S transponder

A524EE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N430UP · BOEING 757-200 · operated by UNITED PARCEL SERVICE CO

Hex
A524EE
Octal
51222356
Decimal
10,822,894
Country
US
Tail
N430UP
Type
B752
Broadcasting now · callsign UPS1315 · 35,000 ft
Flights observed
197
Distinct callsigns
20
Country
US
Last broadcast
13d ago

Current position

A524EE is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A524EE 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
UPS5062 - 9 2026-07-22
UPS1134 - 7 2026-07-07
UPS1052 - 7 2026-07-02
UPS1299 - 5 2026-06-18
UPS5794 United Parcel Service 4 2026-06-28
UPS1376 United Parcel Service 4 2026-04-29
UPS1131 - 4 2026-06-26
UPS1085 United Parcel Service 4 2026-06-02
UPS9733 - 3 2026-07-02
UPS837 - 3 2026-07-08
UPS795 United Parcel Service 3 2026-06-12
UPS609 - 3 2026-06-23
UPS582 United Parcel Service 3 2026-05-28
UPS2838 - 3 2026-07-07
UPS1468 United Parcel Service 3 2026-05-05
UPS1444 United Parcel Service 3 2026-05-07
UPS1357 United Parcel Service 3 2026-06-09
UPS1347 United Parcel Service 3 2026-05-22
UPS1316 United Parcel Service 3 2026-05-21
UPS1244 United Parcel Service 3 2026-05-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 UPS681 DSM → SDF Jul 24, 03:00 UTCJul 24, 03:45 UTC45m
2026-07-23 UPS682 - Jul 23, 08:15 UTCJul 23, 09:10 UTC55m
2026-07-23 UPS1029 BDL → RFD Jul 23, 02:05 UTCJul 23, 04:10 UTC2h 5m
2026-07-22 UPS5062 - Jul 22, 19:05 UTCJul 22, 20:40 UTC1h 35m
2026-07-22 UPS9716 BOS → SDF Jul 22, 11:10 UTCJul 22, 11:20 UTC10m
2026-07-10 UPS9300 - Jul 10, 02:30 UTCJul 10, 03:20 UTC50m
2026-07-10 UPS9300 LAN → SDF Jul 10, 02:31 UTCJul 10, 03:22 UTC51m
2026-07-08 UPS5496 - Jul 8, 21:40 UTCJul 8, 22:30 UTC50m
2026-07-08 UPS5299 - Jul 8, 11:35 UTCJul 8, 13:25 UTC1h 50m
2026-07-08 UPS5299 PVD → SDF Jul 8, 11:33 UTCJul 8, 13:29 UTC1h 56m
2026-07-08 UPS1128 - Jul 8, 08:20 UTCJul 8, 10:05 UTC1h 45m
2026-07-08 UPS1128 SDF → PVD Jul 8, 08:14 UTCJul 8, 10:01 UTC1h 47m
2026-07-08 UPS837 - Jul 8, 01:00 UTCJul 8, 04:15 UTC3h 15m
2026-07-07 UPS2838 - Jul 7, 19:45 UTCJul 7, 23:25 UTC3h 40m
2026-07-07 UPS2133 - Jul 7, 11:20 UTCJul 7, 12:45 UTC1h 25m
2026-07-07 UPS2133 SYR → SDF Jul 7, 11:21 UTCJul 7, 12:48 UTC1h 27m
2026-07-07 UPS1134 - Jul 7, 08:55 UTCJul 7, 09:15 UTC20m
2026-07-07 UPS1134 ALB → SYR Jul 7, 08:58 UTCJul 7, 09:20 UTC22m
2026-07-07 UPS1134 - Jul 7, 07:45 UTCJul 7, 08:20 UTC35m
2026-07-02 UPS9733 - Jul 2, 11:55 UTCJul 2, 13:10 UTC1h 15m
2026-07-02 UPS1052 - Jul 2, 10:35 UTCJul 2, 11:10 UTC35m
2026-07-02 UPS1052 MHT → BGR Jul 2, 10:33 UTCJul 2, 11:13 UTC40m
2026-07-02 UPS1052 - Jul 2, 06:20 UTCJul 2, 08:05 UTC1h 45m
2026-07-02 UPS1052 SDF → MHT Jul 2, 06:21 UTCJul 2, 07:58 UTC1h 37m
2026-07-02 UPS671 - Jul 2, 03:20 UTCJul 2, 04:45 UTC1h 25m
2026-07-02 UPS671 ICT → SDF Jul 2, 03:21 UTCJul 2, 04:41 UTC1h 20m
2026-07-01 UPS672 - Jul 1, 09:25 UTCJul 1, 10:50 UTC1h 25m
2026-07-01 UPS672 SDF → ICT Jul 1, 09:23 UTCJul 1, 10:47 UTC1h 24m
2026-07-01 UPS525 - Jul 1, 03:20 UTCJul 1, 04:30 UTC1h 10m
2026-07-01 UPS525 CID → SDF Jul 1, 03:12 UTCJul 1, 04:16 UTC1h 4m
2026-06-30 UPS572 - Jun 30, 08:55 UTCJun 30, 09:20 UTC25m
2026-06-30 UPS572 RFD → CID Jun 30, 08:55 UTCJun 30, 09:19 UTC24m
2026-06-30 UPS753 - Jun 30, 01:50 UTCJun 30, 03:35 UTC1h 45m
2026-06-30 UPS753 DFW → RFD Jun 30, 01:51 UTCJun 30, 03:35 UTC1h 44m
2026-06-29 UPS7895 LBB → PHX Jun 29, 00:29 UTCJun 29, 01:25 UTC55m
2026-06-29 UPS7895 LBB → PHX Jun 29, 00:29 UTCJun 29, 01:19 UTC50m
2026-06-28 UPS5794 SDF → LBB Jun 28, 21:14 UTCJun 28, 23:20 UTC2h 5m
2026-06-28 UPS5794 SDF → LBB Jun 28, 21:02 UTCJun 28, 23:25 UTC2h 23m
2026-06-28 UPS3873 - Jun 28, 14:09 UTCJun 28, 16:39 UTC2h 30m
2026-06-28 UPS3873 ELP → SDF Jun 28, 14:04 UTCJun 28, 16:37 UTC2h 33m
2026-06-28 UPS9610 - Jun 28, 10:24 UTCJun 28, 13:10 UTC2h 45m
2026-06-28 UPS9610 SDF → ELP Jun 28, 10:15 UTCJun 28, 13:09 UTC2h 54m
2026-06-27 UPS1233 - Jun 27, 01:54 UTCJun 27, 03:15 UTC1h 20m
2026-06-27 UPS1233 ORF → RIC Jun 27, 00:25 UTCJun 27, 00:44 UTC20m
2026-06-26 UPS1234 - Jun 26, 10:15 UTCJun 26, 10:35 UTC20m
2026-06-26 UPS1234 - Jun 26, 07:45 UTCJun 26, 08:20 UTC35m
2026-06-26 UPS1131 - Jun 26, 03:10 UTCJun 26, 04:00 UTC50m
2026-06-26 UPS1131 - Jun 26, 01:54 UTCJun 26, 02:24 UTC30m
2026-06-24 UPS1134 - Jun 24, 08:45 UTCJun 24, 09:05 UTC20m
2026-06-24 UPS1134 - Jun 24, 07:30 UTCJun 24, 08:04 UTC35m

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 N430UP page for operator, model, and routing details .

Mode-S A524EE frequently asked

What is Mode-S code A524EE?
A524EE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N430UP.
Where is Mode-S A524EE registered?
Mode-S code A524EE 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 A524EE broadcasting right now?
Yes. Mode-S A524EE is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A524EE, octal 51222356, decimal 10,822,894.
What flights does A524EE operate?
Mode-S A524EE has broadcast 20 distinct callsigns, including UPS5062, UPS1134, UPS1052, UPS1299, UPS5794.