Apparatus

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sensors Mode-S transponder

A4972C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N395UP · BOEING 767-300 · operated by CARGO AIRCRAFT MANAGEMENT INC

Hex
A4972C
Octal
51113454
Decimal
10,786,604
Country
US
Tail
N395UP
Type
B763
No current signal · last broadcast Jul 24, 21:40 UTC
Flights observed
211
Distinct callsigns
15
Country
US
Last broadcast
Jul 24, 21:40 UTC

Last known position

Most recent position reported by Mode-S A4972C.

Country allocation

The ICAO 24-bit address A4972C 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 15 distinct

Callsign Airline Flights Last seen
UPS260 United Parcel Service 28 2026-07-21
UPS259 United Parcel Service 28 2026-07-21
UPS243 United Parcel Service 26 2026-07-23
UPS242 United Parcel Service 26 2026-07-23
UPS249 United Parcel Service 20 2026-06-25
UPS248 - 19 2026-06-25
UPS284 United Parcel Service 18 2026-07-24
UPS285 United Parcel Service 12 2026-07-24
UPS287 - 6 2026-07-06
UPS267 United Parcel Service 5 2026-07-22
UPS266 United Parcel Service 5 2026-07-22
UPS257 United Parcel Service 5 2026-06-02
UPS256 United Parcel Service 5 2026-06-02
UPS269 United Parcel Service 4 2026-05-28
UPS268 United Parcel Service 4 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 UPS285 MMX → OSL Jul 24, 20:40 UTCJul 24, 21:40 UTC1h 0m
2026-07-24 UPS285 MMX → OSL Jul 24, 18:30 UTCJul 24, 19:20 UTC50m
2026-07-24 UPS284 CGN → OSL Jul 24, 03:20 UTCJul 24, 04:15 UTC55m
2026-07-24 UPS284 CGN → OSL Jul 24, 01:05 UTCJul 24, 02:00 UTC55m
2026-07-23 UPS243 BCN → VLC Jul 23, 21:05 UTCJul 23, 22:50 UTC1h 45m
2026-07-23 UPS243 BCN → VLC Jul 23, 18:55 UTCJul 23, 19:25 UTC30m
2026-07-23 UPS242 BCN → VLC Jul 23, 04:30 UTCJul 23, 04:55 UTC25m
2026-07-23 UPS242 BCN → VLC Jul 23, 01:45 UTCJul 23, 03:15 UTC1h 30m
2026-07-22 UPS267 IST → TLV Jul 22, 21:10 UTCJul 22, 22:50 UTC1h 40m
2026-07-22 UPS266 CGN → LCA Jul 22, 01:55 UTCJul 22, 03:15 UTC1h 20m
2026-07-21 UPS259 CIA → CGN Jul 21, 20:50 UTCJul 21, 22:05 UTC1h 15m
2026-07-21 UPS260 CGN → VCE Jul 21, 02:10 UTCJul 21, 03:10 UTC1h 0m
2026-07-20 UPS259 CIA → CGN Jul 20, 20:50 UTCJul 20, 21:55 UTC1h 5m
2026-07-20 UPS260 CGN → VCE Jul 20, 00:35 UTCJul 20, 01:40 UTC1h 5m
2026-07-17 UPS243 - Jul 17, 21:30 UTCJul 17, 23:25 UTC1h 55m
2026-07-17 UPS243 - Jul 17, 19:15 UTCJul 17, 19:49 UTC35m
2026-07-17 UPS242 - Jul 17, 04:49 UTCJul 17, 05:30 UTC40m
2026-07-17 UPS242 - Jul 17, 01:55 UTCJul 17, 03:34 UTC1h 40m
2026-07-16 UPS259 CIA → CGN Jul 16, 20:49 UTCJul 16, 22:00 UTC1h 10m
2026-07-16 UPS260 CGN → VCE Jul 16, 02:10 UTCJul 16, 03:10 UTC1h 0m
2026-07-15 UPS259 - Jul 15, 21:40 UTCJul 15, 23:00 UTC1h 20m
2026-07-15 UPS260 CGN → VCE Jul 15, 02:20 UTCJul 15, 03:20 UTC1h 0m
2026-07-14 UPS267 - Jul 14, 21:15 UTCJul 14, 22:55 UTC1h 39m
2026-07-14 UPS266 CGN → FCO Jul 14, 01:50 UTCJul 14, 03:15 UTC1h 25m
2026-07-13 UPS243 - Jul 13, 21:25 UTCJul 13, 23:20 UTC1h 55m
2026-07-13 UPS243 - Jul 13, 19:40 UTCJul 13, 20:15 UTC35m
2026-07-13 UPS242 - Jul 13, 03:45 UTCJul 13, 04:15 UTC30m
2026-07-13 UPS242 - Jul 13, 00:50 UTCJul 13, 02:25 UTC1h 35m
2026-07-10 UPS259 - Jul 10, 21:45 UTCJul 10, 22:50 UTC1h 5m
2026-07-10 UPS260 CGN → VCE Jul 10, 02:05 UTCJul 10, 03:10 UTC1h 5m
2026-07-09 UPS259 - Jul 9, 21:05 UTCJul 9, 22:10 UTC1h 5m
2026-07-09 UPS260 CGN → VCE Jul 9, 02:05 UTCJul 9, 03:05 UTC1h 0m
2026-07-08 UPS259 - Jul 8, 21:00 UTCJul 8, 22:10 UTC1h 10m
2026-07-08 UPS260 - Jul 8, 02:15 UTCJul 8, 03:15 UTC1h 0m
2026-07-07 UPS259 - Jul 7, 20:50 UTCJul 7, 22:00 UTC1h 10m
2026-07-07 UPS260 - Jul 7, 02:00 UTCJul 7, 02:55 UTC55m
2026-07-06 UPS287 - Jul 6, 21:25 UTCJul 6, 22:30 UTC1h 5m
2026-07-06 UPS287 - Jul 6, 18:25 UTCJul 6, 19:10 UTC45m
2026-07-06 UPS284 - Jul 6, 02:10 UTCJul 6, 03:00 UTC50m
2026-07-06 UPS284 - Jul 6, 00:20 UTCJul 6, 01:15 UTC55m
2026-07-03 UPS243 - Jul 3, 21:15 UTCJul 3, 23:15 UTC2h 0m
2026-07-03 UPS243 - Jul 3, 18:55 UTCJul 3, 19:35 UTC40m
2026-07-03 UPS242 BCN → VLC Jul 3, 04:45 UTCJul 3, 05:20 UTC35m
2026-07-03 UPS242 CGN → BCN Jul 3, 01:55 UTCJul 3, 03:30 UTC1h 35m
2026-07-02 UPS259 - Jul 2, 21:40 UTCJul 2, 22:45 UTC1h 5m
2026-07-02 UPS260 - Jul 2, 02:05 UTCJul 2, 03:05 UTC1h 0m
2026-07-01 UPS259 - Jul 1, 21:15 UTCJul 1, 22:15 UTC1h 0m
2026-07-01 UPS260 CGN → VCE Jul 1, 02:05 UTCJul 1, 03:15 UTC1h 10m
2026-06-30 UPS259 - Jun 30, 21:20 UTCJun 30, 22:35 UTC1h 15m
2026-06-30 UPS260 - Jun 30, 02:05 UTCJun 30, 03:10 UTC1h 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 N395UP page for operator, model, and routing details .

Mode-S A4972C frequently asked

What is Mode-S code A4972C?
A4972C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N395UP.
Where is Mode-S A4972C registered?
Mode-S code A4972C 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 A4972C broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 21:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A4972C, octal 51113454, decimal 10,786,604.
What flights does A4972C operate?
Mode-S A4972C has broadcast 15 distinct callsigns, including UPS260, UPS259, UPS243, UPS242, UPS249.