Apparatus

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sensors Mode-S transponder

A4008E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N357TY · operated by AMERICAN AIRLINES INC

Hex
A4008E
Octal
51000216
Decimal
10,748,046
Country
US
Tail
N357TY
Type
B38M
Broadcasting now · callsign AAL1600 · 23,250 ft
Flights observed
519
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 20:50 UTC

Current position

A4008E is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A4008E 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
AAL2606 - 12 2026-07-03
AAL3121 - 9 2026-07-03
AAL1122 American Airlines 8 2026-07-26
AAL438 - 6 2026-07-01
AAL3315 - 6 2026-07-09
AAL2677 American Airlines 6 2026-04-15
AAL2129 American Airlines 6 2026-05-09
AAL1382 American Airlines 6 2026-06-11
AAL814 American Airlines 5 2026-04-17
AAL650 American Airlines 5 2026-05-30
AAL3213 American Airlines 5 2026-04-23
AAL2672 American Airlines 5 2026-07-06
AAL1304 American Airlines 5 2026-05-11
AAL939 - 4 2026-06-26
AAL924 American Airlines 4 2026-07-01
AAL915 American Airlines 4 2026-07-25
AAL806 American Airlines 4 2026-06-11
AAL3251 - 4 2026-07-07
AAL3223 American Airlines 4 2026-05-29
AAL2799 - 4 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL2644 PHX → SFO Jul 26, 17:50 UTCJul 26, 20:30 UTC2h 40m
2026-07-26 AAL2644 PHX → SFO Jul 26, 12:55 UTCJul 26, 15:20 UTC2h 25m
2026-07-26 AAL1122 BOG → DFW Jul 26, 05:40 UTCJul 26, 07:30 UTC1h 51m
2026-07-26 AAL1122 BOG → DFW Jul 26, 05:39 UTCJul 26, 10:42 UTC5h 3m
2026-07-26 AAL1122 BOG → DFW Jul 26, 05:39 UTCJul 26, 10:35 UTC4h 56m
2026-07-25 AAL915 MIA → BOG Jul 25, 22:55 UTCJul 26, 01:55 UTC3h 0m
2026-07-25 AAL1245 LAX → PIT Jul 25, 18:35 UTCJul 25, 20:15 UTC1h 40m
2026-07-25 AAL1245 LAX → PIT Jul 25, 18:03 UTCJul 25, 20:13 UTC2h 10m
2026-07-25 AAL2419 CLT → AUS Jul 25, 14:20 UTCJul 25, 15:45 UTC1h 25m
2026-07-25 AAL2419 CLT → AUS Jul 25, 14:19 UTCJul 25, 16:21 UTC2h 2m
2026-07-25 AAL1183 BWI → MIA Jul 25, 10:10 UTCJul 25, 12:15 UTC2h 5m
2026-07-25 AAL1495 DFW → LIR Jul 25, 03:05 UTCJul 25, 04:10 UTC1h 5m
2026-07-24 AAL1408 DTW → CLT Jul 24, 22:55 UTCJul 25, 01:25 UTC2h 30m
2026-07-24 AAL1408 DTW → CLT Jul 24, 22:52 UTCJul 25, 01:20 UTC2h 28m
2026-07-24 AAL1408 DTW → CLT Jul 24, 19:35 UTCJul 24, 21:30 UTC1h 55m
2026-07-24 AAL1408 DTW → CLT Jul 24, 19:29 UTCJul 24, 21:47 UTC2h 18m
2026-07-24 AAL1930 CLT → RSW Jul 24, 15:40 UTCJul 24, 17:50 UTC2h 10m
2026-07-24 AAL1930 CLT → RSW Jul 24, 12:10 UTCJul 24, 14:05 UTC1h 55m
2026-07-24 AAL2632 EWR → ORD Jul 24, 09:10 UTCJul 24, 10:15 UTC1h 5m
2026-07-24 AAL560 PHL → DEN Jul 24, 00:00 UTCJul 24, 02:05 UTC2h 5m
2026-07-23 AAL2262 JFK → PHX Jul 23, 19:35 UTCJul 23, 22:15 UTC2h 40m
2026-07-23 AAL2262 JFK → PHX Jul 23, 15:35 UTCJul 23, 18:15 UTC2h 40m
2026-07-23 AAL1220 PBI → DFW Jul 23, 11:15 UTCJul 23, 13:45 UTC2h 30m
2026-07-23 AAL3145 LCH → DFW Jul 23, 00:35 UTCJul 23, 02:55 UTC2h 20m
2026-07-23 AAL3145 LCH → DFW Jul 23, 00:33 UTCJul 23, 02:59 UTC2h 26m
2026-07-22 AAL3309 BOS → PHL Jul 22, 21:50 UTCJul 22, 22:54 UTC1h 4m
2026-07-22 AAL3309 BOS → PHL Jul 22, 21:55 UTCJul 22, 23:05 UTC1h 10m
2026-07-22 AAL2735 LGA → DFW Jul 22, 17:30 UTCJul 22, 19:55 UTC2h 25m
2026-07-21 AAL2735 LGA → DFW Jul 21, 14:15 UTCJul 21, 17:00 UTC2h 45m
2026-07-20 AAL2595 - Jul 20, 23:15 UTCJul 21, 01:05 UTC1h 49m
2026-07-20 AAL2309 - Jul 20, 20:10 UTCJul 20, 21:10 UTC1h 0m
2026-07-20 AAL2309 PIT → CLT Jul 20, 20:06 UTCJul 20, 21:10 UTC1h 4m
2026-07-20 AAL2309 - Jul 20, 17:50 UTCJul 20, 18:50 UTC1h 0m
2026-07-20 AAL2278 - Jul 20, 14:25 UTCJul 20, 15:30 UTC1h 5m
2026-07-20 AAL2278 - Jul 20, 14:20 UTCJul 20, 15:51 UTC1h 31m
2026-07-20 AAL2278 - Jul 20, 11:40 UTCJul 20, 13:00 UTC1h 20m
2026-07-20 AAL1637 - Jul 20, 02:20 UTCJul 20, 03:20 UTC1h 0m
2026-07-20 AAL1495 - Jul 20, 00:05 UTCJul 20, 01:05 UTC1h 0m
2026-07-19 AAL828 - Jul 19, 18:50 UTCJul 19, 22:10 UTC3h 20m
2026-07-19 AAL829 - Jul 19, 13:50 UTCJul 19, 17:10 UTC3h 20m
2026-07-19 AAL384 - Jul 19, 10:55 UTCJul 19, 11:45 UTC50m
2026-07-19 AAL1749 - Jul 19, 00:55 UTCJul 19, 02:00 UTC1h 5m
2026-07-18 AAL2478 - Jul 18, 19:25 UTCJul 18, 22:40 UTC3h 15m
2026-07-18 AAL2478 - Jul 18, 14:05 UTCJul 18, 17:05 UTC3h 0m
2026-07-18 AAL2643 - Jul 18, 10:15 UTCJul 18, 11:35 UTC1h 20m
2026-07-17 AAL1359 ANU → JFK Jul 17, 22:27 UTCJul 18, 02:16 UTC3h 49m
2026-07-17 AAL1359 - Jul 17, 18:19 UTCJul 18, 02:19 UTC8h 0m
2026-07-17 AAL243 - Jul 17, 14:50 UTCJul 17, 15:25 UTC35m
2026-07-17 AAL243 HAV → MIA Jul 17, 14:34 UTCJul 17, 15:22 UTC48m
2026-07-17 AAL242 - Jul 17, 12:25 UTCJul 17, 12:55 UTC30m

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 N357TY page for operator, model, and routing details .

Mode-S A4008E frequently asked

What is Mode-S code A4008E?
A4008E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N357TY.
Where is Mode-S A4008E registered?
Mode-S code A4008E 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 A4008E broadcasting right now?
Yes. Mode-S A4008E is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A4008E, octal 51000216, decimal 10,748,046.
What flights does A4008E operate?
Mode-S A4008E has broadcast 20 distinct callsigns, including AAL2606, AAL3121, AAL1122, AAL438, AAL3315.