Apparatus

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sensors Mode-S transponder

A1BE72

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N211NN · EMBRAER ERJ-170-200 (long wing) · operated by AMERICAN AIRLINES INC

Hex
A1BE72
Octal
50337162
Decimal
10,600,050
Country
US
Tail
N211NN
Type
E75L
No current signal · last broadcast Jul 26, 22:05 UTC
Flights observed
452
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:05 UTC

Last known position

Most recent position reported by Mode-S A1BE72.

Country allocation

The ICAO 24-bit address A1BE72 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
ENY3652 Envoy Air 11 2026-05-05
ENY3906 Envoy Air 9 2026-05-20
ENY3468 - 9 2026-07-08
ENY3422 Envoy Air 8 2026-05-03
ENY4307 Envoy Air 7 2026-05-18
ENY4100 Envoy Air 6 2026-04-29
ENY4224 Envoy Air 5 2026-05-19
ENY4219 Envoy Air 5 2026-05-07
ENY4110 - 5 2026-07-13
ENY4060 Envoy Air 5 2026-07-23
ENY3981 Envoy Air 5 2026-07-17
ENY3689 Envoy Air 5 2026-04-28
ENY4192 Envoy Air 4 2026-05-09
ENY4170 Envoy Air 4 2026-05-18
ENY4161 Envoy Air 4 2026-04-16
ENY4099 Envoy Air 4 2026-05-08
ENY4088 - 4 2026-07-17
ENY4041 Envoy Air 4 2026-05-08
ENY3980 - 4 2026-07-11
ENY3805 Envoy Air 4 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ENY3891 CHS → ORD Jul 26, 16:10 UTCJul 26, 22:05 UTC5h 55m
2026-07-26 ENY3810 MTY → DFW Jul 26, 13:15 UTCJul 26, 14:35 UTC1h 20m
2026-07-25 ENY3347 DFW → CVG Jul 25, 22:00 UTCJul 25, 23:15 UTC1h 15m
2026-07-25 ENY4155 CRP → DFW Jul 25, 20:10 UTCJul 25, 20:45 UTC35m
2026-07-25 ENY4155 CRP → DFW Jul 25, 18:20 UTCJul 25, 18:45 UTC25m
2026-07-25 ENY3805 CRP → DFW Jul 25, 16:30 UTCJul 25, 17:05 UTC35m
2026-07-25 ENY3805 CRP → DFW Jul 25, 14:45 UTCJul 25, 15:30 UTC45m
2026-07-25 ENY3641 BOS → PNS Jul 25, 13:00 UTCJul 25, 13:40 UTC40m
2026-07-25 ENY3641 BOS → PNS Jul 25, 12:50 UTCJul 25, 13:41 UTC51m
2026-07-25 ENY3444 RST → ORD Jul 25, 03:25 UTCJul 25, 04:45 UTC1h 20m
2026-07-25 ENY3633 STL → ORD Jul 25, 00:45 UTCJul 25, 02:05 UTC1h 20m
2026-07-24 ENY3633 STL → ORD Jul 24, 22:00 UTCJul 24, 23:25 UTC1h 25m
2026-07-24 ENY3562 CWA → ORD Jul 24, 19:20 UTCJul 24, 20:05 UTC45m
2026-07-24 ENY3562 CWA → ORD Jul 24, 17:35 UTCJul 24, 18:10 UTC35m
2026-07-24 ENY3871 BOS → ORD Jul 24, 14:20 UTCJul 24, 16:00 UTC1h 40m
2026-07-23 ENY4087 CLT → XNA Jul 23, 22:40 UTCJul 24, 00:55 UTC2h 15m
2026-07-23 ENY4060 DFW → ABI Jul 23, 19:05 UTCJul 23, 20:40 UTC1h 35m
2026-07-23 ENY4060 DFW → ABI Jul 23, 16:10 UTCJul 23, 18:00 UTC1h 50m
2026-07-23 ENY4158 ORD → BWI Jul 23, 12:20 UTCJul 23, 13:50 UTC1h 30m
2026-07-23 ENY3692 CLT → LIT Jul 23, 01:10 UTCJul 23, 02:30 UTC1h 20m
2026-07-22 ENY4060 DFW → ABI Jul 22, 18:30 UTCJul 22, 20:00 UTC1h 30m
2026-07-22 ENY4060 DFW → ABI Jul 22, 18:29 UTCJul 22, 20:02 UTC1h 33m
2026-07-22 ENY4060 DFW → ABI Jul 22, 16:00 UTCJul 22, 17:40 UTC1h 40m
2026-07-22 ENY4158 ORD → BWI Jul 22, 12:20 UTCJul 22, 13:40 UTC1h 20m
2026-07-22 ENY4079 DFW → LIT Jul 22, 02:25 UTCJul 22, 03:05 UTC40m
2026-07-21 ENY4098 JAX → ORD Jul 21, 23:30 UTCJul 22, 00:25 UTC55m
2026-07-21 ENY4098 JAX → ORD Jul 21, 21:30 UTCJul 21, 22:35 UTC1h 5m
2026-07-21 ENY3977 DFW → STS Jul 21, 17:55 UTCJul 21, 20:00 UTC2h 5m
2026-07-21 ENY3977 DFW → STS Jul 21, 14:50 UTCJul 21, 17:05 UTC2h 15m
2026-07-21 ENY3780 BOS → ORD Jul 21, 12:10 UTCJul 21, 13:00 UTC50m
2026-07-21 ENY3510 - Jul 21, 01:30 UTCJul 21, 02:05 UTC35m
2026-07-21 ENY3510 DFW → AMA Jul 21, 01:26 UTCJul 21, 02:12 UTC46m
2026-07-20 ENY3603 ORD → CVG Jul 20, 23:00 UTCJul 21, 00:00 UTC1h 0m
2026-07-20 ENY3603 ORD → CVG Jul 20, 20:45 UTCJul 20, 21:35 UTC50m
2026-07-20 ENY3469 ORD → DSM Jul 20, 17:25 UTCJul 20, 18:55 UTC1h 30m
2026-07-20 ENY3469 ORD → DSM Jul 20, 17:24 UTCJul 20, 18:50 UTC1h 26m
2026-07-20 ENY3469 ORD → DSM Jul 20, 15:05 UTCJul 20, 16:30 UTC1h 25m
2026-07-20 ENY3373 MHK → DFW Jul 20, 11:05 UTCJul 20, 13:20 UTC2h 15m
2026-07-20 ENY3377 - Jul 20, 03:30 UTCJul 20, 05:00 UTC1h 30m
2026-07-20 ENY3377 ORD → FAR Jul 20, 03:29 UTCJul 20, 04:57 UTC1h 28m
2026-07-20 ENY3479 - Jul 20, 00:35 UTCJul 20, 01:30 UTC55m
2026-07-19 ENY3479 - Jul 19, 21:40 UTCJul 19, 22:25 UTC45m
2026-07-19 ENY3430 - Jul 19, 18:15 UTCJul 19, 19:40 UTC1h 25m
2026-07-19 ENY3430 BIS → ORD Jul 19, 18:03 UTCJul 19, 19:33 UTC1h 30m
2026-07-19 ENY3430 - Jul 19, 15:10 UTCJul 19, 16:45 UTC1h 35m
2026-07-19 ENY4150 MHT → ORD Jul 19, 11:25 UTCJul 19, 13:55 UTC2h 30m
2026-07-19 ENY4150 MHT → ORD Jul 19, 11:25 UTCJul 19, 13:30 UTC2h 5m
2026-07-19 ENY4149 ORD → MHT Jul 19, 03:10 UTCJul 19, 04:50 UTC1h 40m
2026-07-19 ENY3523 - Jul 19, 00:25 UTCJul 19, 01:45 UTC1h 20m
2026-07-19 ENY3523 FAR → ORD Jul 19, 00:22 UTCJul 19, 01:37 UTC1h 15m

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 N211NN page for operator, model, and routing details .

Mode-S A1BE72 frequently asked

What is Mode-S code A1BE72?
A1BE72 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N211NN.
Where is Mode-S A1BE72 registered?
Mode-S code A1BE72 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 A1BE72 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1BE72, octal 50337162, decimal 10,600,050.
What flights does A1BE72 operate?
Mode-S A1BE72 has broadcast 20 distinct callsigns, including ENY3652, ENY3906, ENY3468, ENY3422, ENY4307.