Apparatus

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sensors Mode-S transponder

A4EB80

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N416MC · BOEING 747-400 · operated by ATLAS AIR INC

Hex
A4EB80
Octal
51165600
Decimal
10,808,192
Country
US
Tail
N416MC
Type
B744
No current signal · last broadcast 21d ago
Flights observed
136
Distinct callsigns
20
Country
US
Last broadcast
21d ago

Last known position

Most recent position reported by Mode-S A4EB80.

Country allocation

The ICAO 24-bit address A4EB80 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
GTI8019 Atlas Air 10 2026-04-16
GTI812 Atlas Air 8 2026-05-20
GTI532 Atlas Air 8 2026-04-20
GTI8242 Atlas Air 5 2026-06-14
GTI8735 Atlas Air 4 2026-06-07
GTI8315 Atlas Air 4 2026-06-10
GTI8243 Atlas Air 4 2026-06-15
GTI8174 Atlas Air 4 2026-05-07
GTI8120 Atlas Air 4 2026-05-14
GTI9817 Atlas Air 3 2026-04-17
GTI8560 - 3 2026-06-19
GTI8559 - 3 2026-06-18
GTI8523 Atlas Air 3 2026-04-24
GTI824D Atlas Air 3 2026-05-17
GTI612 Atlas Air 3 2026-05-30
GTI5528 Atlas Air 3 2026-05-28
GTI518 Atlas Air 3 2026-05-11
GTI9460 Atlas Air 2 2026-06-21
GTI9449 Atlas Air 2 2026-06-06
GTI8860 Atlas Air 2 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-22 GTI9877 - Jun 22, 14:29 UTCJun 22, 15:54 UTC1h 25m
2026-06-22 GTI8816 - Jun 22, 09:49 UTCJun 22, 10:30 UTC40m
2026-06-21 GTI8815 - Jun 21, 16:59 UTCJun 22, 09:10 UTC16h 10m
2026-06-21 GTI9460 MXP → ICN Jun 21, 07:40 UTCJun 21, 08:04 UTC25m
2026-06-20 GTI9460 MXP → ICN Jun 20, 22:00 UTCJun 21, 07:00 UTC9h 0m
2026-06-19 CMB425 - Jun 19, 20:29 UTCJun 20, 04:09 UTC7h 40m
2026-06-19 GTI8890 - Jun 19, 12:14 UTCJun 19, 13:44 UTC1h 30m
2026-06-19 GTI8560 ANC → ORD Jun 19, 01:15 UTCJun 19, 06:20 UTC5h 5m
2026-06-18 GTI8560 ICN → ANC Jun 18, 15:40 UTCJun 18, 23:05 UTC7h 25m
2026-06-18 GTI8560 - Jun 18, 12:10 UTCJun 18, 12:40 UTC30m
2026-06-18 GTI8559 - Jun 18, 04:20 UTCJun 18, 04:40 UTC20m
2026-06-17 GTI8559 - Jun 17, 21:00 UTCJun 18, 00:50 UTC3h 50m
2026-06-17 GTI8559 ORD → ICN Jun 17, 02:05 UTCJun 17, 15:30 UTC13h 25m
2026-06-15 GTI8238 FRA → ORD Jun 15, 20:00 UTCJun 16, 04:25 UTC8h 25m
2026-06-15 GTI8237 ORD → FRA Jun 15, 10:09 UTCJun 15, 17:50 UTC7h 40m
2026-06-15 GTI8243 HHN → PSM Jun 15, 01:10 UTCJun 15, 06:20 UTC5h 10m
2026-06-14 GTI8243 HHN → PSM Jun 14, 15:10 UTCJun 14, 22:45 UTC7h 35m
2026-06-14 GTI8242 IND → HHN Jun 14, 07:55 UTCJun 14, 08:10 UTC15m
2026-06-14 GTI8242 IND → HHN Jun 14, 00:25 UTCJun 14, 04:10 UTC3h 45m
2026-06-13 GTI8242 IND → HHN Jun 13, 02:40 UTCJun 13, 16:00 UTC13h 19m
2026-06-12 GTI8243 HHN → PSM Jun 12, 00:30 UTCJun 12, 05:55 UTC5h 25m
2026-06-11 GTI8243 HHN → PSM Jun 11, 07:55 UTCJun 11, 22:00 UTC14h 5m
2026-06-11 GTI8242 IND → HHN Jun 11, 01:05 UTCJun 11, 05:00 UTC3h 55m
2026-06-10 GTI8315 POB → HHN Jun 10, 22:10 UTCJun 10, 22:50 UTC40m
2026-06-09 GTI8315 POB → HHN Jun 9, 14:30 UTCJun 9, 22:15 UTC7h 45m
2026-06-09 GTI8315 POB → HHN Jun 9, 04:00 UTCJun 9, 10:35 UTC6h 35m
2026-06-08 GTI8315 POB → HHN Jun 8, 22:30 UTCJun 8, 23:55 UTC1h 25m
2026-06-07 GTI8732 YYZ → ZAZ Jun 7, 19:45 UTCJun 8, 07:55 UTC12h 10m
2026-06-07 GTI8735 EZE → BOG Jun 7, 09:15 UTCJun 7, 16:40 UTC7h 25m
2026-06-06 GTI8735 EZE → BOG Jun 6, 21:09 UTCJun 7, 04:40 UTC7h 30m
2026-06-06 GTI8735 EZE → BOG Jun 6, 10:09 UTCJun 6, 18:59 UTC8h 50m
2026-06-06 GTI8735 EZE → BOG Jun 6, 09:24 UTCJun 6, 09:30 UTC5m
2026-06-06 GTI9449 MXP → HKG Jun 6, 04:25 UTCJun 6, 05:10 UTC45m
2026-06-05 GTI9449 MXP → HKG Jun 5, 17:05 UTCJun 5, 21:45 UTC4h 40m
2026-06-05 GTI8752 - Jun 5, 03:40 UTCJun 5, 12:00 UTC8h 20m
2026-06-04 GTI8752 - Jun 4, 20:25 UTCJun 5, 00:50 UTC4h 25m
2026-06-04 GTI825 ANC → MIA Jun 4, 09:00 UTCJun 4, 16:30 UTC7h 30m
2026-06-03 GTI825 ANC → MIA Jun 3, 21:10 UTCJun 4, 06:50 UTC9h 40m
2026-06-03 GTI8158 AMS → ORD Jun 3, 17:05 UTCJun 3, 17:35 UTC30m
2026-06-03 GTI8158 AMS → ORD Jun 3, 06:10 UTCJun 3, 10:15 UTC4h 5m
2026-06-02 GTI8153 CKG → AMS Jun 2, 15:15 UTCJun 2, 19:55 UTC4h 40m
2026-06-01 GTI8153 CKG → AMS Jun 1, 22:15 UTCJun 2, 19:55 UTC21h 40m
2026-05-31 GTI5579 MIA → AMS May 31, 18:30 UTCJun 1, 05:50 UTC11h 20m
2026-05-30 GTI5579 MIA → AMS May 30, 19:20 UTCMay 31, 13:25 UTC18h 5m
2026-05-30 GTI5577 MIA → BOG May 30, 13:25 UTCMay 30, 16:20 UTC2h 55m
2026-05-30 GTI612 HSV → MIA May 30, 05:20 UTCMay 30, 07:00 UTC1h 40m
2026-05-29 GTI612 HSV → MIA May 29, 19:00 UTCMay 30, 01:25 UTC6h 25m
2026-05-29 GTI612 HSV → MIA May 29, 08:00 UTCMay 29, 17:05 UTC9h 5m
2026-05-28 GTI5528 SNN → AMS May 28, 11:25 UTCMay 28, 23:15 UTC11h 50m
2026-05-27 GTI5528 SNN → AMS May 27, 23:40 UTCMay 28, 07:50 UTC8h 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 N416MC page for operator, model, and routing details .

Mode-S A4EB80 frequently asked

What is Mode-S code A4EB80?
A4EB80 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N416MC.
Where is Mode-S A4EB80 registered?
Mode-S code A4EB80 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 A4EB80 broadcasting right now?
No active broadcast right now. Last signal was 21d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A4EB80, octal 51165600, decimal 10,808,192.
What flights does A4EB80 operate?
Mode-S A4EB80 has broadcast 20 distinct callsigns, including GTI8019, GTI812, GTI532, GTI8242, GTI8735.