Apparatus

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sensors Mode-S transponder

A8E6E2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N673AE · EMBRAER ERJ-145 · operated by AMERICAN AIRLINES INC

Hex
A8E6E2
Octal
52163342
Decimal
11,069,154
Country
US
Tail
N673AE
Type
E145
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
875
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S A8E6E2.

Country allocation

The ICAO 24-bit address A8E6E2 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
PDT5920 - 11 2026-07-05
PDT6046 - 10 2026-07-01
PDT5952 Piedmont Airlines 10 2026-06-21
PDT5868 Piedmont Airlines 10 2026-07-20
PDT6104 Piedmont Airlines 9 2026-05-13
PDT5852 Piedmont Airlines 9 2026-05-01
PDT6048 - 8 2026-07-17
PDT6029 - 8 2026-07-05
PDT5955 Piedmont Airlines 8 2026-07-26
PDT5936 - 8 2026-07-14
PDT5843 - 8 2026-07-13
PDT6112 Piedmont Airlines 7 2026-07-24
PDT6102 Piedmont Airlines 7 2026-05-25
PDT6099 Piedmont Airlines 7 2026-07-24
PDT6095 - 7 2026-07-09
PDT6083 - 7 2026-07-08
PDT6082 Piedmont Airlines 7 2026-07-04
PDT5963 - 7 2026-07-14
PDT5854 Piedmont Airlines 7 2026-07-23
PDT5822 - 7 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 PDT6032 EVV → CLT Jul 26, 21:25 UTCJul 26, 21:45 UTC20m
2026-07-26 PDT5809 SAV → PHL Jul 26, 19:20 UTCJul 26, 19:55 UTC35m
2026-07-26 PDT5809 SAV → PHL Jul 26, 17:45 UTCJul 26, 18:10 UTC25m
2026-07-26 PDT6068 DTW → PHL Jul 26, 15:05 UTCJul 26, 15:55 UTC50m
2026-07-26 PDT6068 DTW → PHL Jul 26, 13:30 UTCJul 26, 14:00 UTC30m
2026-07-26 PDT5955 HTS → CLT Jul 26, 10:35 UTCJul 26, 11:15 UTC40m
2026-07-26 PDT5955 HTS → CLT Jul 26, 10:28 UTCJul 26, 11:14 UTC46m
2026-07-26 PDT5971 PHL → CAE Jul 26, 02:50 UTCJul 26, 03:25 UTC35m
2026-07-25 PDT9976 PHL → RIC Jul 25, 22:25 UTCJul 25, 23:55 UTC1h 30m
2026-07-25 PDT6097 ORF → PHL Jul 25, 01:00 UTCJul 25, 02:40 UTC1h 40m
2026-07-25 PDT6097 ORF → PHL Jul 25, 00:56 UTCJul 25, 02:40 UTC1h 44m
2026-07-24 PDT6032 EVV → CLT Jul 24, 22:50 UTCJul 24, 23:20 UTC30m
2026-07-24 PDT6032 EVV → CLT Jul 24, 21:05 UTCJul 24, 21:25 UTC20m
2026-07-24 PDT6112 YYZ → PHL Jul 24, 19:10 UTCJul 24, 19:30 UTC20m
2026-07-24 PDT6112 YYZ → PHL Jul 24, 19:01 UTCJul 24, 19:29 UTC28m
2026-07-24 PDT6112 YYZ → PHL Jul 24, 17:40 UTCJul 24, 18:05 UTC25m
2026-07-24 PDT6099 CVG → CLT Jul 24, 15:55 UTCJul 24, 16:25 UTC30m
2026-07-24 PDT5800 PHL → RIC Jul 24, 13:14 UTCJul 24, 14:40 UTC1h 26m
2026-07-24 PDT5800 PHL → RIC Jul 24, 13:15 UTCJul 24, 14:45 UTC1h 30m
2026-07-24 PDT5846 SDF → PHL Jul 24, 10:00 UTCJul 24, 11:10 UTC1h 10m
2026-07-24 PDT6093 CLT → LYH Jul 24, 02:10 UTCJul 24, 03:30 UTC1h 20m
2026-07-23 PDT5942 DTW → PHL Jul 23, 23:40 UTCJul 24, 00:45 UTC1h 5m
2026-07-23 PDT5942 DTW → PHL Jul 23, 21:55 UTCJul 23, 22:45 UTC50m
2026-07-23 PDT5861 BDL → PHL Jul 23, 19:25 UTCJul 23, 20:20 UTC55m
2026-07-23 PDT5861 BDL → PHL Jul 23, 19:21 UTCJul 23, 20:19 UTC58m
2026-07-23 PDT5861 BDL → PHL Jul 23, 17:15 UTCJul 23, 18:20 UTC1h 5m
2026-07-23 PDT5976 CLT → GNV Jul 23, 14:35 UTCJul 23, 15:40 UTC1h 5m
2026-07-23 PDT5976 CLT → GNV Jul 23, 14:33 UTCJul 23, 15:39 UTC1h 6m
2026-07-23 PDT5976 CLT → GNV Jul 23, 12:45 UTCJul 23, 13:40 UTC55m
2026-07-23 PDT5854 ALB → PHL Jul 23, 10:30 UTCJul 23, 11:25 UTC55m
2026-07-23 PDT5854 ALB → PHL Jul 23, 10:28 UTCJul 23, 11:20 UTC52m
2026-07-23 PDT5850 GSP → PHL Jul 23, 00:20 UTCJul 23, 01:00 UTC40m
2026-07-22 PDT6025 BOS → ROC Jul 22, 20:30 UTCJul 22, 21:45 UTC1h 15m
2026-07-22 PDT6023 SYR → PHL Jul 22, 18:00 UTCJul 22, 19:10 UTC1h 10m
2026-07-22 PDT5908 MHT → PHL Jul 22, 14:45 UTCJul 22, 16:00 UTC1h 15m
2026-07-22 PDT5799 BOS → ROC Jul 22, 13:35 UTCJul 22, 13:45 UTC10m
2026-07-22 PDT5799 BOS → ROC Jul 22, 13:30 UTCJul 22, 13:47 UTC17m
2026-07-22 PDT6087 PHL → ISP Jul 22, 11:10 UTCJul 22, 11:30 UTC20m
2026-07-22 PDT5961 ILM → PHL Jul 22, 00:50 UTCJul 22, 02:35 UTC1h 45m
2026-07-21 PDT6110 AGS → CLT Jul 21, 18:47 UTCJul 21, 19:22 UTC35m
2026-07-21 PDT6110 - Jul 21, 16:30 UTCJul 21, 16:55 UTC25m
2026-07-21 PDT6080 PHL → GSO Jul 21, 13:55 UTCJul 21, 14:55 UTC1h 0m
2026-07-21 PDT6080 PHL → GSO Jul 21, 11:55 UTCJul 21, 12:50 UTC55m
2026-07-21 PDT5892 ORD → TVC Jul 21, 09:05 UTCJul 21, 09:35 UTC30m
2026-07-21 PDT5991 CMH → PHL Jul 21, 03:55 UTCJul 21, 04:25 UTC30m
2026-07-21 PDT5792 ROA → PHL Jul 21, 02:10 UTCJul 21, 02:35 UTC25m
2026-07-21 PDT5792 ROA → PHL Jul 21, 01:00 UTCJul 21, 01:20 UTC20m
2026-07-20 PDT5868 BUF → PHL Jul 20, 21:00 UTCJul 20, 21:55 UTC55m
2026-07-20 PDT5868 BUF → PHL Jul 20, 17:35 UTCJul 20, 18:20 UTC45m
2026-07-20 PDT6101 - Jul 20, 16:15 UTCJul 20, 16:30 UTC15m

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 N673AE page for operator, model, and routing details .

Mode-S A8E6E2 frequently asked

What is Mode-S code A8E6E2?
A8E6E2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N673AE.
Where is Mode-S A8E6E2 registered?
Mode-S code A8E6E2 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 A8E6E2 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8E6E2, octal 52163342, decimal 11,069,154.
What flights does A8E6E2 operate?
Mode-S A8E6E2 has broadcast 20 distinct callsigns, including PDT5920, PDT6046, PDT5952, PDT5868, PDT6104.