Apparatus

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sensors Mode-S transponder

A44BE5

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N376UP · BOEING 767-300 · operated by UNITED PARCEL SERVICE CO

Hex
A44BE5
Octal
51045745
Decimal
10,767,333
Country
US
Tail
N376UP
Type
B763
Broadcasting now · callsign UPS974 · 38,000 ft
Flights observed
392
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Current position

A44BE5 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A44BE5 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
UPS2968 United Parcel Service 8 2026-05-27
UPS984 - 7 2026-07-08
UPS606 - 7 2026-07-04
UPS613 - 6 2026-07-07
UPS5981 - 6 2026-07-08
UPS5776 United Parcel Service 6 2026-05-20
UPS5321 - 6 2026-06-21
UPS2969 United Parcel Service 6 2026-05-27
UPS7938 United Parcel Service 5 2026-04-29
UPS371 - 5 2026-07-01
UPS928 United Parcel Service 4 2026-05-07
UPS904 - 4 2026-06-18
UPS775 United Parcel Service 4 2026-05-21
UPS5982 - 4 2026-07-08
UPS5855 United Parcel Service 4 2026-06-03
UPS370 - 4 2026-07-01
UPS340 - 4 2026-06-24
UPS2928 - 4 2026-07-07
UPS2907 - 4 2026-06-27
UPS2905 United Parcel Service 4 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 UPS891 LAS → SDF Jul 14, 01:50 UTCJul 14, 05:15 UTC3h 25m
2026-07-11 UPS892 - Jul 11, 10:50 UTCJul 11, 14:15 UTC3h 25m
2026-07-11 UPS1013 - Jul 11, 02:15 UTCJul 11, 04:35 UTC2h 20m
2026-07-10 UPS5012 - Jul 10, 18:10 UTCJul 10, 22:45 UTC4h 35m
2026-07-10 UPS5012 ONT → BOS Jul 10, 18:10 UTCJul 10, 22:45 UTC4h 35m
2026-07-10 UPS2947 OAK → ONT Jul 10, 13:55 UTCJul 10, 14:50 UTC55m
2026-07-10 UPS2947 OAK → ONT Jul 10, 13:53 UTCJul 10, 14:51 UTC58m
2026-07-10 UPS946 - Jul 10, 08:10 UTCJul 10, 12:20 UTC4h 10m
2026-07-10 UPS946 SDF → OAK Jul 10, 07:50 UTCJul 10, 12:27 UTC4h 37m
2026-07-10 UPS1077 - Jul 10, 03:00 UTCJul 10, 04:20 UTC1h 20m
2026-07-10 UPS1077 - Jul 10, 02:45 UTCJul 10, 02:55 UTC10m
2026-07-10 UPS1077 EWR → SDF Jul 10, 02:38 UTCJul 10, 04:20 UTC1h 42m
2026-07-09 UPS2084 - Jul 9, 20:50 UTCJul 10, 01:30 UTC4h 40m
2026-07-09 UPS9601 - Jul 9, 12:25 UTCJul 9, 14:25 UTC2h 0m
2026-07-09 UPS9601 BFI → ONT Jul 9, 12:25 UTCJul 9, 14:21 UTC1h 56m
2026-07-08 UPS5982 - Jul 8, 20:50 UTCJul 9, 01:15 UTC4h 25m
2026-07-08 UPS5982 SDF → BFI Jul 8, 20:41 UTCJul 9, 01:04 UTC4h 23m
2026-07-08 UPS5981 - Jul 8, 13:15 UTCJul 8, 17:05 UTC3h 50m
2026-07-08 UPS5981 BFI → SDF Jul 8, 13:13 UTCJul 8, 17:03 UTC3h 50m
2026-07-08 UPS984 - Jul 8, 09:10 UTCJul 8, 11:10 UTC2h 0m
2026-07-08 UPS984 ONT → BFI Jul 8, 09:08 UTCJul 8, 11:10 UTC2h 2m
2026-07-07 UPS2928 - Jul 7, 20:45 UTCJul 8, 00:20 UTC3h 35m
2026-07-07 UPS5359 - Jul 7, 12:15 UTCJul 7, 13:50 UTC1h 35m
2026-07-07 UPS5359 MCO → SDF Jul 7, 12:10 UTCJul 7, 13:52 UTC1h 42m
2026-07-07 UPS1326 - Jul 7, 08:30 UTCJul 7, 10:00 UTC1h 30m
2026-07-07 UPS1326 SDF → MCO Jul 7, 08:21 UTCJul 7, 10:00 UTC1h 39m
2026-07-07 UPS613 - Jul 7, 03:40 UTCJul 7, 04:30 UTC50m
2026-07-07 UPS613 GYY → SDF Jul 7, 03:34 UTCJul 7, 04:27 UTC53m
2026-07-07 UPS613 ORD → GYY Jul 7, 02:05 UTCJul 7, 02:20 UTC15m
2026-07-04 UPS606 - Jul 4, 09:10 UTCJul 4, 10:10 UTC1h 0m
2026-07-04 UPS606 SDF → ORD Jul 4, 09:07 UTCJul 4, 10:06 UTC59m
2026-07-04 UPS905 - Jul 4, 02:40 UTCJul 4, 06:05 UTC3h 25m
2026-07-04 UPS905 LGB → SDF Jul 4, 02:36 UTCJul 4, 06:05 UTC3h 29m
2026-07-03 UPS9763 DEN → LGB Jul 3, 23:10 UTCJul 4, 01:10 UTC2h 0m
2026-07-03 UPS9763 DEN → LGB Jul 3, 22:53 UTCJul 4, 01:05 UTC2h 12m
2026-07-03 UPS806 - Jul 3, 09:00 UTCJul 3, 10:35 UTC1h 35m
2026-07-03 UPS806 ONT → DEN Jul 3, 09:00 UTCJul 3, 10:37 UTC1h 37m
2026-07-03 UPS9843 - Jul 3, 01:30 UTCJul 3, 03:35 UTC2h 5m
2026-07-02 UPS2988 - Jul 2, 20:20 UTCJul 3, 00:05 UTC3h 45m
2026-07-02 UPS2925 - Jul 2, 14:05 UTCJul 2, 17:05 UTC3h 0m
2026-07-02 UPS916 - Jul 2, 06:51 UTCJul 2, 10:45 UTC3h 54m
2026-07-02 UPS916 SDF → ONT Jul 2, 06:50 UTCJul 2, 10:40 UTC3h 50m
2026-07-02 UPS1331 - Jul 2, 02:35 UTCJul 2, 04:30 UTC1h 55m
2026-07-01 UPS371 GUA → MIA Jul 1, 22:25 UTCJul 2, 00:25 UTC2h 0m
2026-07-01 UPS371 - Jul 1, 20:10 UTCJul 1, 20:40 UTC30m
2026-07-01 UPS370 - Jul 1, 13:35 UTCJul 1, 15:15 UTC1h 40m
2026-07-01 UPS370 MIA → MGA Jul 1, 13:26 UTCJul 1, 15:36 UTC2h 10m
2026-07-01 UPS355 BOG → MIA Jul 1, 08:10 UTCJul 1, 11:13 UTC3h 3m
2026-07-01 UPS354 - Jul 1, 02:30 UTCJul 1, 02:55 UTC25m
2026-07-01 UPS354 MIA → BOG Jul 1, 02:26 UTCJul 1, 05:31 UTC3h 5m

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 N376UP page for operator, model, and routing details .

Mode-S A44BE5 frequently asked

What is Mode-S code A44BE5?
A44BE5 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N376UP.
Where is Mode-S A44BE5 registered?
Mode-S code A44BE5 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 A44BE5 broadcasting right now?
Yes. Mode-S A44BE5 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A44BE5, octal 51045745, decimal 10,767,333.
What flights does A44BE5 operate?
Mode-S A44BE5 has broadcast 20 distinct callsigns, including UPS2968, UPS984, UPS606, UPS613, UPS5981.