Apparatus

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sensors Mode-S transponder

AABC11

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N791DK · operated by WILMINGTON TRUST CO TRUSTEE

Hex
AABC11
Octal
52536021
Decimal
11,189,265
Country
US
Tail
N791DK
Type
E170
No current signal · last broadcast Jun 20, 03:19 UTC
Flights observed
464
Distinct callsigns
20
Country
US
Last broadcast
Jun 20, 03:19 UTC

Last known position

Most recent position reported by Mode-S AABC11.

Country allocation

The ICAO 24-bit address AABC11 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 10 2026-06-03
ENY3391 Envoy Air 10 2026-06-08
ENY3595 Envoy Air 8 2026-04-27
ENY3505 Envoy Air 8 2026-05-20
ENY3501 Envoy Air 7 2026-05-17
ENY3494 Envoy Air 7 2026-04-30
ENY4036 - 6 2026-06-17
ENY4025 - 6 2026-06-17
ENY3848 Envoy Air 6 2026-06-09
ENY3698 Envoy Air 6 2026-06-15
ENY3608 Envoy Air 6 2026-06-07
ENY3491 Envoy Air 6 2026-06-16
ENY3410 Envoy Air 6 2026-06-13
ENY4201 Envoy Air 5 2026-05-01
ENY4200 - 5 2026-06-15
ENY4176 Envoy Air 5 2026-05-21
ENY4144 Envoy Air 5 2026-05-26
ENY3950 Envoy Air 5 2026-05-20
ENY3802 Envoy Air 5 2026-06-16
ENY3769 Envoy Air 5 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-20 ENY9865 ORD → TYS Jun 20, 02:40 UTCJun 20, 03:19 UTC40m
2026-06-18 ENY3996 - Jun 18, 20:35 UTCJun 18, 23:50 UTC3h 15m
2026-06-18 ENY3996 - Jun 18, 16:35 UTCJun 18, 19:30 UTC2h 55m
2026-06-17 ENY4036 - Jun 17, 12:10 UTCJun 17, 13:00 UTC50m
2026-06-17 ENY4036 MQT → ORD Jun 17, 12:00 UTCJun 17, 12:46 UTC46m
2026-06-17 ENY4025 - Jun 17, 01:35 UTCJun 17, 02:15 UTC40m
2026-06-17 ENY4025 ORD → MQT Jun 17, 01:35 UTCJun 17, 02:24 UTC49m
2026-06-16 ENY3972 BOS → ORD Jun 16, 23:20 UTCJun 16, 23:55 UTC35m
2026-06-16 ENY3972 BOS → ORD Jun 16, 22:15 UTCJun 16, 22:40 UTC25m
2026-06-16 ENY3802 BOS → ILM Jun 16, 19:40 UTCJun 16, 21:00 UTC1h 21m
2026-06-16 ENY3802 BOS → ILM Jun 16, 17:24 UTCJun 16, 18:39 UTC1h 15m
2026-06-16 ENY3491 CLT → MSN Jun 16, 15:05 UTCJun 16, 16:15 UTC1h 10m
2026-06-16 ENY3491 CLT → MSN Jun 16, 15:01 UTCJun 16, 15:51 UTC50m
2026-06-16 ENY3491 CLT → MSN Jun 16, 13:15 UTCJun 16, 13:50 UTC35m
2026-06-16 ENY4293 SGF → ORD Jun 16, 10:20 UTCJun 16, 12:05 UTC1h 45m
2026-06-16 ENY4275 CLT → PNS Jun 16, 01:10 UTCJun 16, 02:29 UTC1h 20m
2026-06-15 ENY3808 - Jun 15, 20:40 UTCJun 15, 22:35 UTC1h 55m
2026-06-15 ENY4200 - Jun 15, 18:15 UTCJun 15, 19:50 UTC1h 35m
2026-06-15 ENY3698 PHX → SJC Jun 15, 16:15 UTCJun 15, 16:49 UTC35m
2026-06-15 ENY3698 PHX → SJC Jun 15, 16:10 UTCJun 15, 16:46 UTC36m
2026-06-15 ENY3698 PHX → SJC Jun 15, 14:55 UTCJun 15, 15:15 UTC20m
2026-06-15 ENY4036 - Jun 15, 12:15 UTCJun 15, 13:00 UTC45m
2026-06-15 ENY4025 - Jun 15, 00:49 UTCJun 15, 01:30 UTC40m
2026-06-14 ENY3645 ORD → IND Jun 14, 22:30 UTCJun 14, 23:20 UTC50m
2026-06-14 ENY3645 ORD → IND Jun 14, 22:29 UTCJun 14, 23:13 UTC44m
2026-06-14 ENY3645 ORD → IND Jun 14, 20:45 UTCJun 14, 21:30 UTC45m
2026-06-14 ENY3646 ORD → YYZ Jun 14, 17:55 UTCJun 14, 19:50 UTC1h 55m
2026-06-14 ENY3646 ORD → YYZ Jun 14, 15:35 UTCJun 14, 16:55 UTC1h 20m
2026-06-14 ENY4036 - Jun 14, 12:10 UTCJun 14, 13:00 UTC50m
2026-06-14 ENY4036 MQT → ORD Jun 14, 12:02 UTCJun 14, 13:00 UTC58m
2026-06-14 ENY4025 - Jun 14, 02:30 UTCJun 14, 03:10 UTC40m
2026-06-13 ENY3410 ORD → MSN Jun 13, 23:45 UTCJun 14, 00:20 UTC35m
2026-06-13 ENY3410 ORD → MSN Jun 13, 23:40 UTCJun 14, 00:19 UTC39m
2026-06-13 ENY3410 ORD → MSN Jun 13, 22:35 UTCJun 13, 23:05 UTC30m
2026-06-13 ENY3432 ORD → CVG Jun 13, 19:05 UTCJun 13, 20:05 UTC1h 0m
2026-06-13 ENY3432 ORD → CVG Jun 13, 19:04 UTCJun 13, 19:58 UTC54m
2026-06-13 ENY3719 ORD → MSP Jun 13, 17:10 UTCJun 13, 18:10 UTC1h 0m
2026-06-13 ENY3719 ORD → MSP Jun 13, 17:09 UTCJun 13, 18:09 UTC1h 0m
2026-06-13 ENY3656 LIT → ORD Jun 13, 14:20 UTCJun 13, 15:50 UTC1h 30m
2026-06-13 ENY3656 LIT → ORD Jun 13, 14:15 UTCJun 13, 15:44 UTC1h 29m
2026-06-13 ENY3561 ORD → LIT Jun 13, 01:05 UTCJun 13, 02:15 UTC1h 10m
2026-06-13 ENY3561 ORD → LIT Jun 13, 01:02 UTCJun 13, 02:20 UTC1h 18m
2026-06-12 ENY4183 PNS → MIA Jun 12, 21:35 UTCJun 12, 23:15 UTC1h 40m
2026-06-12 ENY4183 PNS → MIA Jun 12, 19:00 UTCJun 12, 20:20 UTC1h 20m
2026-06-12 ENY4162 RNO → PHX Jun 12, 16:50 UTCJun 12, 17:50 UTC1h 0m
2026-06-12 ENY4162 RNO → PHX Jun 12, 15:10 UTCJun 12, 16:10 UTC1h 0m
2026-06-12 ENY3496 MLI → DFW Jun 12, 11:35 UTCJun 12, 13:25 UTC1h 50m
2026-06-12 ENY3496 MLI → DFW Jun 12, 11:31 UTCJun 12, 13:21 UTC1h 50m
2026-06-11 ENY4200 CVG → DFW Jun 11, 18:35 UTCJun 11, 20:20 UTC1h 45m
2026-06-11 ENY4200 CVG → DFW Jun 11, 18:34 UTCJun 11, 20:19 UTC1h 45m

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 N791DK page for operator, model, and routing details .

Mode-S AABC11 frequently asked

What is Mode-S code AABC11?
AABC11 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N791DK.
Where is Mode-S AABC11 registered?
Mode-S code AABC11 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 AABC11 broadcasting right now?
No active broadcast right now. Last signal was Jun 20, 03:19 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AABC11, octal 52536021, decimal 11,189,265.
What flights does AABC11 operate?
Mode-S AABC11 has broadcast 20 distinct callsigns, including ENY3716, ENY3391, ENY3595, ENY3505, ENY3501.