sensors Mode-S transponder

A3B4D6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N338PK · BOEING 737-800 · operated by WILMINGTON TRUST CO TRUSTEE

Hex
A3B4D6
Octal
50732326
Decimal
10,728,662
Country
US
Tail
N338PK
Type
B738
No current signal · last broadcast Jul 26, 21:30 UTC
Flights observed
574
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:30 UTC

Last known position

Most recent position reported by Mode-S A3B4D6.

Country allocation

The ICAO 24-bit address A3B4D6 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
AAL3068 - 6 2026-06-14
AAL893 - 5 2026-07-12
AAL679 - 5 2026-07-11
AAL584 American Airlines 5 2026-07-18
AAL2452 American Airlines 5 2026-06-03
AAL2225 - 5 2026-07-20
AAL2217 - 5 2026-07-11
AAL1786 American Airlines 5 2026-07-23
AAL1697 American Airlines 5 2026-07-18
AAL1684 American Airlines 5 2026-06-08
AAL1162 - 5 2026-04-13
AAL1036 - 5 2026-07-16
AAL790 American Airlines 4 2026-07-25
AAL606 American Airlines 4 2026-04-28
AAL2361 - 4 2026-07-16
AAL2346 - 4 2026-07-10
AAL1980 - 4 2026-06-29
AAL1868 American Airlines 4 2026-07-21
AAL1792 American Airlines 4 2026-07-23
AAL1412 - 4 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL3101 DFW → DTW Jul 26, 20:10 UTCJul 26, 21:30 UTC1h 20m
2026-07-26 AAL2428 PHL → ORD Jul 26, 16:15 UTCJul 26, 18:30 UTC2h 15m
2026-07-26 AAL2428 PHL → ORD Jul 26, 16:14 UTCJul 26, 18:34 UTC2h 20m
2026-07-26 AAL2428 PHL → ORD Jul 26, 13:05 UTCJul 26, 15:15 UTC2h 10m
2026-07-26 AAL1108 DTW → DFW Jul 26, 09:50 UTCJul 26, 11:55 UTC2h 5m
2026-07-26 AAL1108 DTW → DFW Jul 26, 09:46 UTCJul 26, 11:55 UTC2h 9m
2026-07-26 AAL3108 DFW → IND Jul 26, 01:30 UTCJul 26, 03:45 UTC2h 15m
2026-07-25 AAL2652 JFK → SFO Jul 25, 21:20 UTCJul 25, 23:35 UTC2h 15m
2026-07-25 AAL2207 CUN → DFW Jul 25, 17:20 UTCJul 25, 19:40 UTC2h 20m
2026-07-25 AAL782 PHX → PHL Jul 25, 14:15 UTCJul 25, 15:35 UTC1h 20m
2026-07-25 AAL790 DFW → COS Jul 25, 03:25 UTCJul 25, 04:50 UTC1h 25m
2026-07-25 AAL790 DFW → COS Jul 25, 03:25 UTCJul 25, 04:58 UTC1h 33m
2026-07-25 AAL2491 DTW → DFW Jul 25, 00:27 UTCJul 25, 01:55 UTC1h 28m
2026-07-25 AAL2491 DTW → DFW Jul 25, 00:30 UTCJul 25, 02:00 UTC1h 30m
2026-07-24 AAL2491 DTW → DFW Jul 24, 22:00 UTCJul 24, 23:20 UTC1h 20m
2026-07-24 AAL1177 ORD → PHL Jul 24, 18:00 UTCJul 24, 20:35 UTC2h 35m
2026-07-24 AAL1177 ORD → PHL Jul 24, 13:55 UTCJul 24, 16:20 UTC2h 25m
2026-07-23 AAL2416 CLT → CVG Jul 23, 23:40 UTCJul 24, 02:20 UTC2h 40m
2026-07-23 AAL2416 CLT → CVG Jul 23, 19:55 UTCJul 23, 22:20 UTC2h 25m
2026-07-23 AAL1792 ORD → CLT Jul 23, 16:05 UTCJul 23, 18:20 UTC2h 15m
2026-07-23 AAL1792 ORD → CLT Jul 23, 12:35 UTCJul 23, 14:45 UTC2h 10m
2026-07-23 AAL1786 EWR → CLT Jul 23, 00:20 UTCJul 23, 02:40 UTC2h 20m
2026-07-23 AAL1786 EWR → CLT Jul 23, 00:17 UTCJul 23, 02:35 UTC2h 18m
2026-07-22 AAL1786 EWR → CLT Jul 22, 21:05 UTCJul 22, 23:10 UTC2h 5m
2026-07-22 AAL1955 SAN → DFW Jul 22, 17:45 UTCJul 22, 19:35 UTC1h 50m
2026-07-22 AAL1955 SAN → DFW Jul 22, 17:42 UTCJul 22, 19:34 UTC1h 52m
2026-07-22 AAL1955 SAN → DFW Jul 22, 14:50 UTCJul 22, 16:30 UTC1h 40m
2026-07-22 AAL1232 - Jul 22, 11:10 UTCJul 22, 12:25 UTC1h 15m
2026-07-21 AAL1868 PIT → DFW Jul 21, 19:45 UTCJul 21, 22:15 UTC2h 30m
2026-07-21 AAL1868 PIT → DFW Jul 21, 19:41 UTCJul 21, 22:10 UTC2h 29m
2026-07-21 AAL1303 EWR → DFW Jul 21, 14:58 UTCJul 21, 18:09 UTC3h 11m
2026-07-21 AAL1303 EWR → DFW Jul 21, 15:00 UTCJul 21, 18:10 UTC3h 10m
2026-07-20 AAL1071 PHL → ORD Jul 20, 22:50 UTCJul 21, 00:20 UTC1h 30m
2026-07-20 AAL2225 - Jul 20, 19:00 UTCJul 20, 20:55 UTC1h 55m
2026-07-20 AAL2225 - Jul 20, 15:30 UTCJul 20, 17:30 UTC2h 0m
2026-07-20 AAL1444 JFK → CLT Jul 20, 12:45 UTCJul 20, 14:00 UTC1h 15m
2026-07-20 AAL944 - Jul 20, 02:10 UTCJul 20, 04:30 UTC2h 20m
2026-07-19 AAL1182 GUA → MIA Jul 19, 21:47 UTCJul 19, 23:58 UTC2h 11m
2026-07-19 AAL1182 - Jul 19, 21:50 UTCJul 19, 23:30 UTC1h 40m
2026-07-19 AAL1013 DFW → GUA Jul 19, 20:15 UTCJul 19, 20:25 UTC10m
2026-07-19 AAL1013 DFW → GUA Jul 19, 17:40 UTCJul 19, 18:35 UTC55m
2026-07-19 AAL782 PHX → PHL Jul 19, 14:20 UTCJul 19, 15:40 UTC1h 20m
2026-07-19 AAL790 DFW → COS Jul 19, 03:12 UTCJul 19, 04:36 UTC1h 24m
2026-07-19 AAL790 DFW → COS Jul 19, 03:15 UTCJul 19, 04:40 UTC1h 25m
2026-07-18 AAL584 DFW → TUS Jul 18, 23:25 UTCJul 19, 01:25 UTC2h 0m
2026-07-18 AAL584 DFW → TUS Jul 18, 23:22 UTCJul 19, 01:21 UTC1h 59m
2026-07-18 AAL584 DFW → TUS Jul 18, 20:35 UTCJul 18, 22:20 UTC1h 45m
2026-07-18 AAL1697 PHL → BDL Jul 18, 16:54 UTCJul 18, 18:15 UTC1h 21m
2026-07-18 AAL1697 PHL → BDL Jul 18, 17:00 UTCJul 18, 18:15 UTC1h 15m
2026-07-18 AAL1697 PHL → BDL Jul 18, 14:05 UTCJul 18, 15:25 UTC1h 20m

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 N338PK page for operator, model, and routing details .

Mode-S A3B4D6 frequently asked

What is Mode-S code A3B4D6?
A3B4D6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N338PK.
Where is Mode-S A3B4D6 registered?
Mode-S code A3B4D6 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 A3B4D6 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A3B4D6, octal 50732326, decimal 10,728,662.
What flights does A3B4D6 operate?
Mode-S A3B4D6 has broadcast 20 distinct callsigns, including AAL3068, AAL893, AAL679, AAL584, AAL2452.