Apparatus

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sensors Mode-S transponder

AAB922

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N790MK · operated by WILMINGTON TRUST CO TRUSTEE

Hex
AAB922
Octal
52534442
Decimal
11,188,514
Country
US
Tail
N790MK
Type
E170
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
809
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S AAB922.

Country allocation

The ICAO 24-bit address AAB922 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
ENY3716 Envoy Air 15 2026-05-28
ENY3839 Envoy Air 12 2026-07-23
ENY3834 Envoy Air 12 2026-07-21
ENY3536 - 11 2026-07-21
ENY3739 - 10 2026-06-24
ENY3655 Envoy Air 10 2026-05-16
ENY4190 - 9 2026-07-01
ENY4090 Envoy Air 9 2026-07-20
ENY3958 - 9 2026-07-14
ENY3950 Envoy Air 9 2026-05-14
ENY3706 Envoy Air 9 2026-07-22
ENY3530 - 9 2026-07-14
ENY4044 Envoy Air 8 2026-07-24
ENY3996 - 8 2026-06-28
ENY3846 Envoy Air 8 2026-07-25
ENY3769 Envoy Air 8 2026-07-25
ENY3743 Envoy Air 8 2026-05-06
ENY3528 - 8 2026-07-18
ENY3494 Envoy Air 8 2026-05-09
ENY3410 - 8 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ENY3715 ORD → PVD Jul 26, 22:10 UTCJul 26, 22:30 UTC20m
2026-07-26 ENY4117 BOS → ORD Jul 26, 20:45 UTCJul 26, 21:20 UTC35m
2026-07-26 ENY3649 DFW → LIT Jul 26, 18:40 UTCJul 26, 19:25 UTC45m
2026-07-26 ENY3649 DFW → LIT Jul 26, 16:50 UTCJul 26, 17:40 UTC50m
2026-07-26 ENY3681 IND → BOS Jul 26, 12:10 UTCJul 26, 13:25 UTC1h 15m
2026-07-26 ENY3873 MSY → MIA Jul 26, 02:30 UTCJul 26, 03:20 UTC50m
2026-07-25 ENY3477 DFW → MSN Jul 25, 23:45 UTCJul 26, 00:30 UTC45m
2026-07-25 ENY3477 DFW → MSN Jul 25, 23:43 UTCJul 26, 00:21 UTC38m
2026-07-25 ENY3477 DFW → MSN Jul 25, 22:15 UTCJul 25, 22:40 UTC25m
2026-07-25 ENY3848 LEX → ORD Jul 25, 19:30 UTCJul 25, 20:55 UTC1h 25m
2026-07-25 ENY3848 LEX → ORD Jul 25, 19:28 UTCJul 25, 20:52 UTC1h 24m
2026-07-25 ENY3848 LEX → ORD Jul 25, 17:00 UTCJul 25, 18:10 UTC1h 10m
2026-07-25 ENY3741 MSN → ORD Jul 25, 15:05 UTCJul 25, 15:30 UTC25m
2026-07-25 ENY3741 MSN → ORD Jul 25, 13:35 UTCJul 25, 14:00 UTC25m
2026-07-25 ENY3472 MIA → JAX Jul 25, 11:20 UTCJul 25, 12:00 UTC40m
2026-07-25 ENY3769 ORD → PVD Jul 25, 04:20 UTCJul 25, 04:55 UTC35m
2026-07-25 ENY3769 ORD → PVD Jul 25, 04:16 UTCJul 25, 04:54 UTC38m
2026-07-25 ENY3846 ATL → ORD Jul 25, 01:05 UTCJul 25, 02:25 UTC1h 20m
2026-07-25 ENY3846 ATL → ORD Jul 25, 01:03 UTCJul 25, 02:22 UTC1h 19m
2026-07-24 ENY3846 ATL → ORD Jul 24, 22:30 UTCJul 24, 23:50 UTC1h 20m
2026-07-24 ENY3815 CLT → BHM Jul 24, 19:40 UTCJul 24, 20:30 UTC50m
2026-07-24 ENY3815 CLT → BHM Jul 24, 17:55 UTCJul 24, 18:40 UTC45m
2026-07-24 ENY4044 EYW → MIA Jul 24, 14:50 UTCJul 24, 16:20 UTC1h 30m
2026-07-24 ENY4044 EYW → MIA Jul 24, 14:43 UTCJul 24, 16:30 UTC1h 47m
2026-07-24 ENY4044 EYW → MIA Jul 24, 12:40 UTCJul 24, 13:55 UTC1h 15m
2026-07-24 ENY3702 ELP → DFW Jul 24, 10:10 UTCJul 24, 10:35 UTC25m
2026-07-24 ENY3728 AGU → DFW Jul 24, 04:20 UTCJul 24, 04:50 UTC30m
2026-07-24 ENY3738 ORD → LIT Jul 24, 02:05 UTCJul 24, 03:05 UTC1h 0m
2026-07-24 ENY3738 ORD → LIT Jul 24, 02:02 UTCJul 24, 03:05 UTC1h 3m
2026-07-24 ENY3738 ORD → LIT Jul 24, 00:20 UTCJul 24, 01:20 UTC1h 0m
2026-07-23 ENY3398 ELP → ORD Jul 23, 21:25 UTCJul 23, 22:45 UTC1h 20m
2026-07-23 ENY3398 ELP → ORD Jul 23, 17:00 UTCJul 23, 18:05 UTC1h 5m
2026-07-23 ENY3839 OKC → ORD Jul 23, 14:25 UTCJul 23, 15:45 UTC1h 20m
2026-07-23 ENY3839 OKC → ORD Jul 23, 12:00 UTCJul 23, 13:15 UTC1h 15m
2026-07-22 ENY3543 CMI → ORD Jul 22, 20:30 UTCJul 22, 21:10 UTC40m
2026-07-22 ENY3543 CMI → ORD Jul 22, 19:00 UTCJul 22, 19:35 UTC35m
2026-07-22 ENY3476 CMI → ORD Jul 22, 16:45 UTCJul 22, 17:20 UTC35m
2026-07-22 ENY3476 - Jul 22, 15:15 UTCJul 22, 15:45 UTC30m
2026-07-22 ENY3707 - Jul 22, 12:15 UTCJul 22, 13:10 UTC55m
2026-07-22 ENY3707 EVV → ORD Jul 22, 12:07 UTCJul 22, 13:03 UTC56m
2026-07-22 ENY3706 AUS → JAX Jul 22, 04:45 UTCJul 22, 05:25 UTC40m
2026-07-22 ENY3531 DFW → MTY Jul 22, 00:50 UTCJul 22, 02:40 UTC1h 50m
2026-07-22 ENY3531 DFW → MTY Jul 22, 00:45 UTCJul 22, 02:36 UTC1h 51m
2026-07-21 ENY3834 BOS → ORD Jul 21, 22:20 UTCJul 21, 22:50 UTC30m
2026-07-21 ENY3834 BOS → ORD Jul 21, 22:16 UTCJul 21, 22:47 UTC31m
2026-07-21 ENY3834 BOS → ORD Jul 21, 21:05 UTCJul 21, 21:25 UTC20m
2026-07-21 ENY3536 - Jul 21, 19:15 UTCJul 21, 19:50 UTC35m
2026-07-21 ENY3536 - Jul 21, 17:40 UTCJul 21, 18:00 UTC20m
2026-07-21 ENY3529 - Jul 21, 15:20 UTCJul 21, 15:55 UTC35m
2026-07-21 ENY3529 - Jul 21, 13:30 UTCJul 21, 14:10 UTC40m

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 N790MK page for operator, model, and routing details .

Mode-S AAB922 frequently asked

What is Mode-S code AAB922?
AAB922 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N790MK.
Where is Mode-S AAB922 registered?
Mode-S code AAB922 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 AAB922 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AAB922, octal 52534442, decimal 11,188,514.
What flights does AAB922 operate?
Mode-S AAB922 has broadcast 20 distinct callsigns, including ENY3716, ENY3839, ENY3834, ENY3536, ENY3739.