Apparatus

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sensors Mode-S transponder

A1F116

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N224NN · EMBRAER ERJ-170-200 (long wing) · operated by AMERICAN AIRLINES INC

Hex
A1F116
Octal
50370426
Decimal
10,613,014
Country
US
Tail
N224NN
Type
E75L
No current signal · last broadcast 3h ago
Flights observed
647
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A1F116.

Country allocation

The ICAO 24-bit address A1F116 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
ENY3642 - 8 2026-06-27
ENY4181 Envoy Air 7 2026-05-06
ENY4177 Envoy Air 7 2026-05-04
ENY4169 Envoy Air 6 2026-05-04
ENY4130 - 6 2026-06-20
ENY3393 - 6 2026-07-02
ENY4145 Envoy Air 5 2026-05-03
ENY4140 Envoy Air 5 2026-05-08
ENY3886 Envoy Air 5 2026-06-13
ENY3803 Envoy Air 5 2026-05-06
ENY3650 - 5 2026-07-06
ENY3593 Envoy Air 5 2026-06-11
ENY3480 Envoy Air 5 2026-05-02
ENY3443 - 5 2026-06-28
ENY3361 Envoy Air 5 2026-06-04
ENY4116 - 4 2026-06-14
ENY4098 - 4 2026-07-14
ENY4095 - 4 2026-07-13
ENY4048 - 4 2026-07-06
ENY4046 Envoy Air 4 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ENY4098 - Jul 14, 02:25 UTCJul 14, 03:40 UTC1h 15m
2026-07-14 ENY4098 - Jul 14, 00:20 UTCJul 14, 01:25 UTC1h 5m
2026-07-13 ENY4095 AUS → DFW Jul 13, 20:25 UTCJul 13, 22:05 UTC1h 40m
2026-07-13 ENY4095 DFW → AUS Jul 13, 18:10 UTCJul 13, 19:10 UTC1h 0m
2026-07-13 ENY4005 - Jul 13, 15:45 UTCJul 13, 17:00 UTC1h 15m
2026-07-13 ENY4005 - Jul 13, 13:45 UTCJul 13, 14:30 UTC45m
2026-07-13 ENY3353 - Jul 13, 10:40 UTCJul 13, 12:20 UTC1h 40m
2026-07-13 ENY3412 - Jul 13, 06:30 UTCJul 13, 07:45 UTC1h 15m
2026-07-13 ENY3883 - Jul 13, 02:30 UTCJul 13, 04:00 UTC1h 30m
2026-07-12 ENY3883 - Jul 12, 22:55 UTCJul 13, 00:05 UTC1h 10m
2026-07-12 ENY3506 - Jul 12, 20:20 UTCJul 12, 21:40 UTC1h 20m
2026-07-12 ENY3506 - Jul 12, 17:30 UTCJul 12, 18:30 UTC1h 0m
2026-07-12 ENY3389 - Jul 12, 15:30 UTCJul 12, 16:30 UTC1h 0m
2026-07-12 ENY3389 AMA → DFW Jul 12, 15:20 UTCJul 12, 16:24 UTC1h 4m
2026-07-12 ENY3389 - Jul 12, 13:30 UTCJul 12, 14:10 UTC40m
2026-07-12 ENY4067 - Jul 12, 11:10 UTCJul 12, 12:15 UTC1h 5m
2026-07-12 ENY3903 DFW → BTR Jul 12, 02:20 UTCJul 12, 03:15 UTC55m
2026-07-12 ENY3903 DFW → BTR Jul 12, 02:17 UTCJul 12, 03:11 UTC54m
2026-07-11 ENY3677 - Jul 11, 23:45 UTCJul 12, 01:00 UTC1h 15m
2026-07-11 ENY3677 - Jul 11, 21:35 UTCJul 11, 22:40 UTC1h 5m
2026-07-11 ENY3636 - Jul 11, 19:30 UTCJul 11, 20:15 UTC45m
2026-07-11 ENY3636 - Jul 11, 17:30 UTCJul 11, 18:10 UTC40m
2026-07-11 ENY3801 - Jul 11, 14:55 UTCJul 11, 15:55 UTC1h 0m
2026-07-11 ENY3801 DFW → SGF Jul 11, 12:55 UTCJul 11, 13:50 UTC55m
2026-07-11 ENY3842 - Jul 11, 10:55 UTCJul 11, 11:50 UTC55m
2026-07-11 ENY3963 - Jul 11, 02:45 UTCJul 11, 04:01 UTC1h 15m
2026-07-10 ENY3409 - Jul 10, 21:35 UTCJul 11, 00:00 UTC2h 25m
2026-07-10 ENY3409 ORD → BDL Jul 10, 19:10 UTCJul 10, 20:50 UTC1h 40m
2026-07-10 ENY3439 - Jul 10, 16:05 UTCJul 10, 17:30 UTC1h 25m
2026-07-10 ENY3439 - Jul 10, 13:55 UTCJul 10, 15:00 UTC1h 5m
2026-07-10 ENY3570 - Jul 10, 11:20 UTCJul 10, 12:05 UTC45m
2026-07-10 ENY3570 GRB → ORD Jul 10, 11:15 UTCJul 10, 11:56 UTC41m
2026-07-10 ENY3663 - Jul 10, 04:25 UTCJul 10, 04:55 UTC30m
2026-07-10 ENY3454 - Jul 10, 00:40 UTCJul 10, 02:35 UTC1h 55m
2026-07-10 ENY3454 CHS → ORD Jul 10, 00:36 UTCJul 10, 02:31 UTC1h 55m
2026-07-09 ENY3454 - Jul 9, 21:40 UTCJul 9, 23:30 UTC1h 50m
2026-07-09 ENY3453 - Jul 9, 17:55 UTCJul 9, 20:00 UTC2h 5m
2026-07-09 ENY3453 PVD → ORD Jul 9, 17:51 UTCJul 9, 19:59 UTC2h 8m
2026-07-09 ENY3453 - Jul 9, 14:55 UTCJul 9, 16:45 UTC1h 50m
2026-07-09 ENY3656 - Jul 9, 11:40 UTCJul 9, 13:05 UTC1h 25m
2026-07-09 ENY4079 - Jul 9, 02:50 UTCJul 9, 03:30 UTC40m
2026-07-09 ENY4079 DFW → LIT Jul 9, 02:46 UTCJul 9, 03:40 UTC54m
2026-07-09 ENY3417 - Jul 9, 00:15 UTCJul 9, 01:50 UTC1h 35m
2026-07-08 ENY3417 - Jul 8, 21:50 UTCJul 8, 23:15 UTC1h 25m
2026-07-08 ENY3516 - Jul 8, 18:55 UTCJul 8, 20:05 UTC1h 10m
2026-07-08 ENY3516 MFE → DFW Jul 8, 18:50 UTCJul 8, 20:03 UTC1h 13m
2026-07-08 ENY3516 - Jul 8, 16:35 UTCJul 8, 17:40 UTC1h 5m
2026-07-08 ENY3985 XNA → DFW Jul 8, 14:45 UTCJul 8, 15:30 UTC45m
2026-07-08 ENY3985 XNA → DFW Jul 8, 14:45 UTCJul 8, 15:31 UTC46m
2026-07-07 ENY4086 PHX → XNA Jul 7, 23:10 UTCJul 8, 01:25 UTC2h 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 N224NN page for operator, model, and routing details .

Mode-S A1F116 frequently asked

What is Mode-S code A1F116?
A1F116 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N224NN.
Where is Mode-S A1F116 registered?
Mode-S code A1F116 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 A1F116 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1F116, octal 50370426, decimal 10,613,014.
What flights does A1F116 operate?
Mode-S A1F116 has broadcast 20 distinct callsigns, including ENY3642, ENY4181, ENY4177, ENY4169, ENY4130.