sensors Mode-S transponder

A3D4ED

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N346PR · BOEING 737-800 · operated by WILMINGTON TRUST CO TRUSTEE

Hex
A3D4ED
Octal
50752355
Decimal
10,736,877
Country
US
Tail
N346PR
Type
B738
Broadcasting now · callsign AAL1240 · 35,000 ft
Flights observed
363
Distinct callsigns
20
Country
US
Last broadcast
27m ago

Current position

A3D4ED is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A3D4ED 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AAL1240 - Jul 14, 11:05 UTCJul 14, 11:15 UTC10m
2026-07-14 AAL2571 PHL → RSW Jul 14, 00:15 UTCJul 14, 02:30 UTC2h 15m
2026-07-13 AAL2280 - Jul 13, 20:40 UTCJul 13, 22:45 UTC2h 5m
2026-07-13 AAL2280 - Jul 13, 17:30 UTCJul 13, 19:35 UTC2h 5m
2026-07-13 AAL2561 - Jul 13, 12:15 UTCJul 13, 15:10 UTC2h 55m
2026-07-13 AAL2541 - Jul 13, 00:20 UTCJul 13, 02:30 UTC2h 10m
2026-07-12 AAL3148 - Jul 12, 19:55 UTCJul 12, 22:35 UTC2h 40m
2026-07-12 AAL2079 LGA → ORD Jul 12, 16:25 UTCJul 12, 18:20 UTC1h 55m
2026-07-12 AAL2079 LGA → ORD Jul 12, 16:22 UTCJul 12, 18:13 UTC1h 51m
2026-07-12 AAL2079 - Jul 12, 13:10 UTCJul 12, 14:45 UTC1h 35m
2026-07-12 AAL2949 LAS → ORD Jul 12, 08:01 UTCJul 12, 11:05 UTC3h 5m
2026-07-12 AAL1880 ORD → LAS Jul 12, 03:25 UTCJul 12, 06:25 UTC3h 0m
2026-07-11 AAL1936 EWR → ORD Jul 11, 23:20 UTCJul 12, 01:15 UTC1h 55m
2026-07-11 AAL1936 ORD → EWR Jul 11, 18:20 UTCJul 11, 20:45 UTC2h 25m
2026-07-11 AAL383 - Jul 11, 13:15 UTCJul 11, 16:50 UTC3h 35m
2026-07-11 AAL383 LAX → ORD Jul 11, 13:13 UTCJul 11, 16:47 UTC3h 34m
2026-07-11 AAL3201 - Jul 11, 03:15 UTCJul 11, 07:15 UTC4h 0m
2026-07-10 AAL1255 PHX → IND Jul 10, 22:35 UTCJul 11, 01:40 UTC3h 5m
2026-07-10 AAL3058 - Jul 10, 15:15 UTCJul 10, 19:55 UTC4h 40m
2026-07-10 AAL1782 - Jul 10, 12:25 UTCJul 10, 13:50 UTC1h 25m
2026-07-10 AAL3168 - Jul 10, 09:10 UTCJul 10, 10:00 UTC50m
2026-07-10 AAL2674 - Jul 10, 03:15 UTCJul 10, 03:55 UTC40m
2026-07-09 AAL1346 - Jul 9, 21:20 UTCJul 10, 01:05 UTC3h 45m
2026-07-09 AAL1346 - Jul 9, 16:10 UTCJul 9, 17:55 UTC1h 45m
2026-07-09 AAL1346 CLT → AUA Jul 9, 16:06 UTCJul 9, 19:56 UTC3h 50m
2026-07-09 AAL712 STL → CLT Jul 9, 12:37 UTCJul 9, 13:58 UTC1h 21m
2026-07-09 AAL712 - Jul 9, 12:40 UTCJul 9, 14:05 UTC1h 25m
2026-07-09 AAL1594 - Jul 9, 01:05 UTCJul 9, 03:25 UTC2h 20m
2026-07-09 AAL1594 MIA → STL Jul 9, 01:03 UTCJul 9, 03:19 UTC2h 16m
2026-07-08 AAL1089 - Jul 8, 21:00 UTCJul 8, 23:35 UTC2h 35m
2026-07-08 AAL1089 - Jul 8, 20:10 UTCJul 8, 20:20 UTC10m
2026-07-08 AAL1089 - Jul 8, 18:25 UTCJul 8, 18:40 UTC15m
2026-07-08 AAL1089 - Jul 8, 15:25 UTCJul 8, 17:45 UTC2h 20m
2026-07-08 AAL2696 - Jul 8, 12:35 UTCJul 8, 13:10 UTC35m
2026-07-08 AAL2696 HAV → MIA Jul 8, 12:25 UTCJul 8, 13:07 UTC42m
2026-07-08 AAL2699 - Jul 8, 10:40 UTCJul 8, 11:15 UTC35m
2026-07-08 AAL2699 MIA → HAV Jul 8, 10:37 UTCJul 8, 11:30 UTC53m
2026-07-07 AAL496 - Jul 7, 23:35 UTCJul 8, 03:35 UTC4h 0m
2026-07-07 AAL896 HWO → PHX Jul 7, 18:10 UTCJul 7, 22:15 UTC4h 5m
2026-07-07 AAL9783 - Jul 7, 15:55 UTCJul 7, 16:50 UTC55m
2026-07-07 AAL9783 VQQ → MIA Jul 7, 15:54 UTCJul 7, 16:49 UTC55m
2026-06-12 AAL9782 MCI → PHL Jun 12, 11:05 UTCJun 12, 11:45 UTC40m
2026-06-11 AAL2217 MIA → AUA Jun 11, 20:55 UTCJun 11, 23:35 UTC2h 40m
2026-06-11 AAL2217 MIA → AUA Jun 11, 16:55 UTCJun 11, 19:15 UTC2h 20m
2026-06-11 AAL2450 VRA → MIA Jun 11, 14:27 UTCJun 11, 15:04 UTC37m
2026-06-11 AAL1807 SFO → CLT Jun 11, 12:25 UTCJun 11, 12:50 UTC25m
2026-06-11 AAL1233 PHL → MIA Jun 11, 00:15 UTCJun 11, 02:15 UTC2h 0m
2026-06-11 AAL1233 PHL → MIA Jun 11, 00:14 UTCJun 11, 02:14 UTC2h 0m
2026-06-10 AAL3101 DFW → DTW Jun 10, 20:40 UTCJun 10, 23:00 UTC2h 20m
2026-06-10 AAL2885 CLT → MSP Jun 10, 17:30 UTCJun 10, 18:40 UTC1h 10m

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 N346PR page for operator, model, and routing details .

Mode-S A3D4ED frequently asked

What is Mode-S code A3D4ED?
A3D4ED is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N346PR.
Where is Mode-S A3D4ED registered?
Mode-S code A3D4ED 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 A3D4ED broadcasting right now?
Yes. Mode-S A3D4ED is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A3D4ED, octal 50752355, decimal 10,736,877.
What flights does A3D4ED operate?
Mode-S A3D4ED has broadcast 20 distinct callsigns, including AAL2189, AAL1089, AAL3209, AAL3012, AAL2513.