Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A1C997

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N214NN · EMBRAER ERJ-170-200 (long wing) · operated by AMERICAN AIRLINES INC

Hex
A1C997
Octal
50344627
Decimal
10,602,903
Country
US
Tail
N214NN
Type
E75L
Broadcasting now · callsign ENY3538 · 30,000 ft
Flights observed
415
Distinct callsigns
20
Country
US
Last broadcast
2h ago

Current position

A1C997 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A1C997 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
ENY4114 Envoy Air 10 2026-06-04
ENY3461 Envoy Air 9 2026-05-25
ENY3375 Envoy Air 9 2026-05-20
ENY4192 Envoy Air 5 2026-06-02
ENY4179 Envoy Air 5 2026-04-29
ENY4080 Envoy Air 5 2026-06-05
ENY3992 Envoy Air 5 2026-05-29
ENY3933 Envoy Air 5 2026-05-29
ENY3879 Envoy Air 5 2026-06-02
ENY3462 Envoy Air 5 2026-06-10
ENY4190 Envoy Air 4 2026-04-29
ENY4187 Envoy Air 4 2026-06-03
ENY4150 Envoy Air 4 2026-05-14
ENY4048 Envoy Air 4 2026-06-05
ENY3874 Envoy Air 4 2026-05-17
ENY3770 Envoy Air 4 2026-06-02
ENY3656 Envoy Air 4 2026-05-14
ENY3487 Envoy Air 4 2026-05-02
ENY3440 Envoy Air 4 2026-05-29
ENY3427 Envoy Air 4 2026-05-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-12 ENY3538 ORD → CMH Jun 12, 22:25 UTCJun 12, 23:45 UTC1h 20m
2026-06-12 ENY3968 MSY → DFW Jun 12, 16:00 UTCJun 12, 16:50 UTC50m
2026-06-12 ENY3968 MSY → DFW Jun 12, 14:20 UTCJun 12, 15:00 UTC40m
2026-06-12 ENY3919 GRK → DFW Jun 12, 10:10 UTCJun 12, 10:40 UTC30m
2026-06-12 ENY3957 DCA → XNA Jun 12, 03:15 UTCJun 12, 03:35 UTC20m
2026-06-12 ENY4113 ILM → MIA Jun 12, 00:30 UTCJun 12, 01:35 UTC1h 5m
2026-06-12 ENY4113 ILM → MIA Jun 12, 00:24 UTCJun 12, 01:34 UTC1h 10m
2026-06-11 ENY4113 ILM → MIA Jun 11, 22:35 UTCJun 11, 23:35 UTC1h 0m
2026-06-11 ENY3652 ORD → MCI Jun 11, 19:30 UTCJun 11, 20:25 UTC55m
2026-06-11 ENY3652 ORD → MCI Jun 11, 19:27 UTCJun 11, 20:20 UTC53m
2026-06-11 ENY3652 ORD → MCI Jun 11, 17:45 UTCJun 11, 18:35 UTC50m
2026-06-11 ENY3687 AGU → DFW Jun 11, 15:45 UTCJun 11, 16:30 UTC45m
2026-06-11 ENY3687 AGU → DFW Jun 11, 13:40 UTCJun 11, 14:15 UTC35m
2026-06-11 ENY3360 BOS → STL Jun 11, 11:15 UTCJun 11, 12:25 UTC1h 10m
2026-06-11 ENY3359 ORD → BDL Jun 11, 03:40 UTCJun 11, 04:35 UTC55m
2026-06-11 ENY3359 ORD → BDL Jun 11, 03:37 UTCJun 11, 04:35 UTC58m
2026-06-11 ENY3631 ORD → ALB Jun 11, 01:25 UTCJun 11, 02:15 UTC50m
2026-06-11 ENY3631 ORD → ALB Jun 11, 01:18 UTCJun 11, 02:10 UTC52m
2026-06-10 ENY3627 DCA → LIT Jun 10, 22:05 UTCJun 10, 23:55 UTC1h 50m
2026-06-10 ENY3627 DCA → LIT Jun 10, 22:04 UTCJun 11, 00:04 UTC2h 0m
2026-06-10 ENY3462 HSV → DFW Jun 10, 18:45 UTCJun 10, 20:50 UTC2h 5m
2026-06-10 ENY3462 HSV → DFW Jun 10, 18:44 UTCJun 10, 20:43 UTC1h 59m
2026-06-10 ENY3462 HSV → DFW Jun 10, 15:00 UTCJun 10, 17:45 UTC2h 45m
2026-06-10 ENY3630 LIT → DCA Jun 10, 11:30 UTCJun 10, 13:15 UTC1h 45m
2026-06-10 ENY3561 ORD → LIT Jun 10, 01:05 UTCJun 10, 02:15 UTC1h 10m
2026-06-10 ENY3561 ORD → LIT Jun 10, 01:04 UTCJun 10, 02:24 UTC1h 20m
2026-06-09 ENY3602 ORD → AUS Jun 9, 21:55 UTCJun 9, 23:45 UTC1h 50m
2026-06-09 ENY3602 ORD → AUS Jun 9, 19:45 UTCJun 9, 20:30 UTC45m
2026-06-09 ENY3391 MSY → MIA Jun 9, 17:30 UTCJun 9, 18:20 UTC50m
2026-06-09 ENY3391 MSY → MIA Jun 9, 17:25 UTCJun 9, 17:45 UTC20m
2026-06-09 ENY3391 MSY → MIA Jun 9, 16:35 UTCJun 9, 17:15 UTC40m
2026-06-09 ENY3391 MSY → MIA Jun 9, 15:05 UTCJun 9, 15:50 UTC45m
2026-06-09 ENY3726 AZO → ORD Jun 9, 11:30 UTCJun 9, 12:50 UTC1h 20m
2026-06-08 ENY3603 ORD → CVG Jun 8, 21:20 UTCJun 8, 22:40 UTC1h 20m
2026-06-08 ENY4256 CVG → ORD Jun 8, 17:35 UTCJun 8, 19:20 UTC1h 45m
2026-06-08 ENY4256 CVG → ORD Jun 8, 15:10 UTCJun 8, 16:40 UTC1h 30m
2026-06-08 ENY3587 AVP → ORD Jun 8, 11:35 UTCJun 8, 13:15 UTC1h 40m
2026-06-08 ENY3587 AVP → ORD Jun 8, 11:32 UTCJun 8, 13:08 UTC1h 36m
2026-06-08 ENY4140 LEX → ORD Jun 8, 02:45 UTCJun 8, 04:10 UTC1h 25m
2026-06-08 ENY3406 PIA → DFW Jun 8, 00:00 UTCJun 8, 01:40 UTC1h 40m
2026-06-07 ENY3406 PIA → DFW Jun 7, 21:25 UTCJun 7, 22:55 UTC1h 30m
2026-06-07 ENY3415 ORD → SDF Jun 7, 18:05 UTCJun 7, 18:55 UTC50m
2026-06-07 ENY3415 ORD → SDF Jun 7, 16:40 UTCJun 7, 17:10 UTC30m
2026-06-07 ENY3872 ORD → TVC Jun 7, 12:25 UTCJun 7, 15:05 UTC2h 40m
2026-06-07 ENY3895 SGF → ORD Jun 7, 03:45 UTCJun 7, 06:25 UTC2h 40m
2026-06-07 ENY3479 PVD → ORD Jun 7, 00:39 UTCJun 7, 01:24 UTC45m
2026-06-07 ENY3479 PVD → ORD Jun 7, 00:32 UTCJun 7, 01:23 UTC51m
2026-06-06 ENY3479 PVD → ORD Jun 6, 22:34 UTCJun 6, 23:24 UTC50m
2026-06-06 ENY3430 IND → MIA Jun 6, 19:04 UTCJun 6, 20:30 UTC1h 25m
2026-06-06 ENY3430 IND → MIA Jun 6, 15:34 UTCJun 6, 17:05 UTC1h 30m

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 N214NN page for operator, model, and routing details .

Mode-S A1C997 frequently asked

What is Mode-S code A1C997?
A1C997 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N214NN.
Where is Mode-S A1C997 registered?
Mode-S code A1C997 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 A1C997 broadcasting right now?
Yes. Mode-S A1C997 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1C997, octal 50344627, decimal 10,602,903.
What flights does A1C997 operate?
Mode-S A1C997 has broadcast 20 distinct callsigns, including ENY4114, ENY3461, ENY3375, ENY4192, ENY4179.