Apparatus

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sensors Mode-S transponder

A5D57D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N475UP · BOEING 757-200 · operated by UNITED PARCEL SERVICE CO

Hex
A5D57D
Octal
51352575
Decimal
10,868,093
Country
US
Tail
N475UP
Type
B752
No current signal · last broadcast Jul 24, 09:10 UTC
Flights observed
267
Distinct callsigns
20
Country
US
Last broadcast
Jul 24, 09:10 UTC

Last known position

Most recent position reported by Mode-S A5D57D.

Country allocation

The ICAO 24-bit address A5D57D 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
UPS887 United Parcel Service 9 2026-05-15
UPS1124 - 8 2026-06-29
UPS757 - 7 2026-07-10
UPS888 United Parcel Service 6 2026-05-14
UPS5794 - 6 2026-07-09
UPS2843 United Parcel Service 6 2026-04-29
UPS1347 - 6 2026-07-16
UPS846 United Parcel Service 5 2026-04-29
UPS796 - 5 2026-07-16
UPS706 - 5 2026-07-18
UPS5273 - 5 2026-07-22
UPS1284 - 5 2026-06-30
UPS991 United Parcel Service 4 2026-05-12
UPS795 - 4 2026-07-17
UPS780 - 4 2026-07-07
UPS672 - 4 2026-07-08
UPS5027 United Parcel Service 4 2026-06-04
UPS1160 - 4 2026-06-26
UPS1123 - 4 2026-06-26
UPS1038 United Parcel Service 4 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 UPS1446 PHL → CLE Jul 24, 08:20 UTCJul 24, 09:10 UTC50m
2026-07-24 UPS809 DEN → RFD Jul 24, 04:15 UTCJul 24, 05:50 UTC1h 35m
2026-07-23 UPS5806 ONT → DEN Jul 23, 20:00 UTCJul 23, 21:45 UTC1h 45m
2026-07-23 UPS9601 MCO → SDF Jul 23, 13:05 UTCJul 23, 15:20 UTC2h 15m
2026-07-22 UPS2988 SDF → BFI Jul 22, 20:30 UTCJul 23, 00:15 UTC3h 45m
2026-07-22 UPS5273 - Jul 22, 12:30 UTCJul 22, 14:00 UTC1h 30m
2026-07-21 UPS9716 BOS → SDF Jul 21, 09:25 UTCJul 21, 10:20 UTC55m
2026-07-21 UPS1016 SDF → BOS Jul 21, 06:30 UTCJul 21, 08:10 UTC1h 40m
2026-07-21 UPS705 LFT → SDF Jul 21, 02:15 UTCJul 21, 03:50 UTC1h 35m
2026-07-18 UPS706 - Jul 18, 11:10 UTCJul 18, 11:35 UTC25m
2026-07-18 UPS706 - Jul 18, 09:05 UTCJul 18, 09:55 UTC50m
2026-07-18 UPS619 PIA → SDF Jul 18, 03:45 UTCJul 18, 04:30 UTC45m
2026-07-17 UPS620 - Jul 17, 09:04 UTCJul 17, 09:45 UTC40m
2026-07-17 UPS795 - Jul 17, 02:30 UTCJul 17, 04:44 UTC2h 15m
2026-07-16 UPS796 - Jul 16, 08:45 UTCJul 16, 10:59 UTC2h 15m
2026-07-16 UPS1347 RSW → SDF Jul 16, 00:20 UTCJul 16, 02:10 UTC1h 50m
2026-07-15 UPS1348 - Jul 15, 08:40 UTCJul 15, 10:30 UTC1h 50m
2026-07-15 UPS1315 SAV → SDF Jul 15, 02:20 UTCJul 15, 03:30 UTC1h 10m
2026-07-14 UPS1314 SDF → SAV Jul 14, 08:55 UTCJul 14, 10:00 UTC1h 5m
2026-07-14 UPS1314 SDF → SAV Jul 14, 08:49 UTCJul 14, 10:00 UTC1h 11m
2026-07-14 UPS837 - Jul 14, 00:55 UTCJul 14, 04:20 UTC3h 25m
2026-07-14 UPS837 BOI → SDF Jul 14, 00:51 UTCJul 14, 04:05 UTC3h 14m
2026-07-12 UPS5838 - Jul 12, 20:45 UTCJul 13, 00:01 UTC3h 15m
2026-07-10 UPS5591 - Jul 10, 13:35 UTCJul 10, 15:15 UTC1h 40m
2026-07-10 UPS5591 - Jul 10, 12:50 UTCJul 10, 13:00 UTC10m
2026-07-10 UPS5591 BIL → SDF Jul 10, 12:51 UTCJul 10, 15:19 UTC2h 28m
2026-07-10 UPS592 - Jul 10, 10:35 UTCJul 10, 10:45 UTC10m
2026-07-10 UPS592 - Jul 10, 07:55 UTCJul 10, 10:00 UTC2h 5m
2026-07-10 UPS592 SDF → BIL Jul 10, 07:51 UTCJul 10, 10:37 UTC2h 46m
2026-07-10 UPS757 - Jul 10, 02:15 UTCJul 10, 04:55 UTC2h 40m
2026-07-10 UPS757 LBB → SDF Jul 10, 02:14 UTCJul 10, 04:34 UTC2h 20m
2026-07-09 UPS5794 - Jul 9, 20:15 UTCJul 9, 22:15 UTC2h 0m
2026-07-09 UPS5299 - Jul 9, 11:25 UTCJul 9, 13:25 UTC2h 0m
2026-07-09 UPS5299 PVD → SDF Jul 9, 11:17 UTCJul 9, 13:21 UTC2h 4m
2026-07-09 UPS1128 - Jul 9, 08:25 UTCJul 9, 10:10 UTC1h 45m
2026-07-09 UPS1128 SDF → PVD Jul 9, 08:17 UTCJul 9, 10:08 UTC1h 51m
2026-07-09 UPS671 ICT → SDF Jul 9, 02:05 UTCJul 9, 03:30 UTC1h 25m
2026-07-08 UPS672 - Jul 8, 09:30 UTCJul 8, 10:50 UTC1h 20m
2026-07-08 UPS672 SDF → ICT Jul 8, 09:17 UTCJul 8, 10:48 UTC1h 31m
2026-07-08 UPS781 - Jul 8, 02:50 UTCJul 8, 04:50 UTC2h 0m
2026-07-08 UPS781 SAT → SDF Jul 8, 02:51 UTCJul 8, 04:54 UTC2h 3m
2026-07-08 UPS781 - Jul 8, 00:40 UTCJul 8, 01:15 UTC35m
2026-07-07 UPS780 SAT → LRD Jul 7, 12:20 UTCJul 7, 12:50 UTC30m
2026-07-07 UPS780 SAT → LRD Jul 7, 12:11 UTCJul 7, 12:47 UTC36m
2026-07-07 UPS780 - Jul 7, 10:25 UTCJul 7, 11:15 UTC50m
2026-07-07 UPS780 - Jul 7, 07:40 UTCJul 7, 09:20 UTC1h 40m
2026-07-03 UPS5495 - Jul 3, 10:45 UTCJul 3, 11:35 UTC50m
2026-07-03 UPS5495 LAN → SDF Jul 3, 10:45 UTCJul 3, 11:38 UTC53m
2026-07-03 UPS1476 - Jul 3, 08:20 UTCJul 3, 09:00 UTC40m
2026-07-03 UPS1476 RFD → LAN Jul 3, 08:19 UTCJul 3, 08:55 UTC36m

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 N475UP page for operator, model, and routing details .

Mode-S A5D57D frequently asked

What is Mode-S code A5D57D?
A5D57D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N475UP.
Where is Mode-S A5D57D registered?
Mode-S code A5D57D 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 A5D57D broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 09:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5D57D, octal 51352575, decimal 10,868,093.
What flights does A5D57D operate?
Mode-S A5D57D has broadcast 20 distinct callsigns, including UPS887, UPS1124, UPS757, UPS888, UPS5794.