Apparatus

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sensors Mode-S transponder

ADAEF6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N981BB · BEECH 200 Super King Air · operated by GUARDIAN FLIGHT LLC

Hex
ADAEF6
Octal
53327366
Decimal
11,382,518
Country
US
Tail
N981BB
Type
BE20
No current signal · last broadcast 4h ago
Flights observed
217
Distinct callsigns
2
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S ADAEF6.

Country allocation

The ICAO 24-bit address ADAEF6 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 2 distinct

Callsign Airline Flights Last seen
N981BB - 214 2026-07-14
00000000 - 3 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N981BB - Jul 14, 09:40 UTCJul 14, 10:35 UTC55m
2026-07-14 N981BB - Jul 14, 07:55 UTCJul 14, 08:25 UTC30m
2026-07-14 N981BB - Jul 14, 06:10 UTCJul 14, 06:45 UTC35m
2026-07-13 N981BB - Jul 13, 05:10 UTCJul 13, 06:05 UTC55m
2026-07-13 N981BB - Jul 13, 03:40 UTCJul 13, 04:00 UTC20m
2026-07-12 N981BB - Jul 12, 01:45 UTCJul 12, 02:05 UTC20m
2026-07-11 N981BB - Jul 11, 22:45 UTCJul 11, 23:45 UTC1h 0m
2026-07-11 N981BB ENA → AKN Jul 11, 21:20 UTCJul 11, 22:20 UTC1h 0m
2026-07-11 N981BB - Jul 11, 06:25 UTCJul 11, 06:45 UTC20m
2026-07-11 N981BB - Jul 11, 04:05 UTCJul 11, 05:05 UTC1h 0m
2026-07-11 N981BB ANC → AKN Jul 11, 02:25 UTCJul 11, 03:35 UTC1h 10m
2026-07-11 N981BB - Jul 11, 00:05 UTCJul 11, 00:45 UTC40m
2026-07-10 N981BB - Jul 10, 22:35 UTCJul 10, 23:15 UTC40m
2026-07-10 N981BB ANC → ENA Jul 10, 12:15 UTCJul 10, 12:30 UTC15m
2026-07-10 N981BB - Jul 10, 09:35 UTCJul 10, 10:55 UTC1h 20m
2026-07-10 00000000 ENA → YAK Jul 10, 07:00 UTCJul 10, 08:35 UTC1h 35m
2026-07-09 N981BB ANC → ENA Jul 9, 23:10 UTCJul 9, 23:25 UTC15m
2026-07-09 N981BB - Jul 9, 19:40 UTCJul 9, 21:00 UTC1h 20m
2026-07-09 N981BB - Jul 9, 18:40 UTCJul 9, 18:50 UTC10m
2026-07-09 N981BB - Jul 9, 17:10 UTCJul 9, 18:05 UTC55m
2026-07-09 N981BB - Jul 9, 01:15 UTCJul 9, 01:30 UTC15m
2026-07-08 N981BB - Jul 8, 22:05 UTCJul 8, 23:15 UTC1h 10m
2026-07-08 N981BB ENA → AKN Jul 8, 19:50 UTCJul 8, 20:45 UTC55m
2026-07-08 N981BB - Jul 8, 06:55 UTCJul 8, 07:10 UTC15m
2026-07-08 N981BB - Jul 8, 04:50 UTCJul 8, 05:35 UTC45m
2026-07-08 N981BB - Jul 8, 03:50 UTCJul 8, 04:15 UTC25m
2026-07-08 N981BB - Jul 8, 02:20 UTCJul 8, 02:35 UTC15m
2026-07-07 N981BB - Jul 7, 23:15 UTCJul 8, 00:20 UTC1h 5m
2026-07-07 N981BB ENA → AKN Jul 7, 21:50 UTCJul 7, 22:45 UTC55m
2026-07-07 N981BB ANC → ENA Jul 7, 12:45 UTCJul 7, 13:00 UTC15m
2026-07-07 N981BB - Jul 7, 10:15 UTCJul 7, 11:30 UTC1h 15m
2026-07-07 00000000 - Jul 7, 07:45 UTCJul 7, 09:15 UTC1h 30m
2026-07-07 N981BB - Jul 7, 05:50 UTCJul 7, 06:05 UTC15m
2026-07-07 N981BB - Jul 7, 03:15 UTCJul 7, 04:20 UTC1h 5m
2026-07-07 N981BB ENA → AKN Jul 7, 01:25 UTCJul 7, 02:20 UTC55m
2026-07-04 N981BB - Jul 4, 16:05 UTCJul 4, 17:15 UTC1h 10m
2026-07-04 N981BB - Jul 4, 14:15 UTCJul 4, 15:15 UTC1h 0m
2026-07-04 N981BB - Jul 4, 02:05 UTCJul 4, 02:20 UTC15m
2026-07-03 N981BB - Jul 3, 23:55 UTCJul 4, 00:55 UTC1h 0m
2026-07-03 N981BB ENA → AKN Jul 3, 22:30 UTCJul 3, 23:30 UTC1h 0m
2026-07-03 N981BB - Jul 3, 12:35 UTCJul 3, 12:55 UTC20m
2026-07-03 N981BB - Jul 3, 08:15 UTCJul 3, 08:50 UTC35m
2026-07-03 N981BB - Jul 3, 06:50 UTCJul 3, 07:35 UTC45m
2026-07-02 N981BB AKN → ANC Jul 2, 14:35 UTCJul 2, 15:35 UTC1h 0m
2026-07-02 N981BB - Jul 2, 06:51 UTCJul 2, 07:05 UTC14m
2026-07-02 N981BB - Jul 2, 04:30 UTCJul 2, 05:30 UTC1h 0m
2026-07-02 N981BB ENA → AKN Jul 2, 02:20 UTCJul 2, 04:05 UTC1h 45m
2026-07-01 N981BB - Jul 1, 09:30 UTCJul 1, 09:45 UTC15m
2026-07-01 N981BB - Jul 1, 07:15 UTCJul 1, 08:15 UTC1h 0m
2026-07-01 N981BB ENA → AKN Jul 1, 05:35 UTCJul 1, 06:30 UTC55m

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 N981BB page for operator, model, and routing details .

Mode-S ADAEF6 frequently asked

What is Mode-S code ADAEF6?
ADAEF6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N981BB.
Where is Mode-S ADAEF6 registered?
Mode-S code ADAEF6 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 ADAEF6 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ADAEF6, octal 53327366, decimal 11,382,518.
What flights does ADAEF6 operate?
Mode-S ADAEF6 has broadcast 2 distinct callsigns, including N981BB, 00000000.