sensors Mode-S transponder

A2061E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N22992 · BOEING 787-9 Dreamliner · operated by UNITED AIRLINES INC

Hex
A2061E
Octal
50403036
Decimal
10,618,398
Country
US
Tail
N22992
Type
B789
No current signal · last broadcast 1h ago
Flights observed
196
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A2061E.

Country allocation

The ICAO 24-bit address A2061E 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
UAL821 - 14 2026-07-07
UAL820 - 13 2026-07-07
UAL806 United Airlines 10 2026-05-14
UAL842 - 8 2026-07-09
UAL805 United Airlines 7 2026-05-13
UAL28 United Airlines 7 2026-04-18
UAL863 - 6 2026-07-02
UAL29 United Airlines 6 2026-04-17
UAL839 - 5 2026-07-08
UAL7 - 5 2026-07-12
UAL2222 - 5 2026-06-18
UAL2096 United Airlines 5 2026-07-03
UAL188 United Airlines 5 2026-07-04
UAL63 - 4 2026-07-12
UAL6 - 4 2026-07-10
UAL2 United Airlines 4 2026-04-23
UAL187 - 4 2026-07-04
UAL182 - 4 2026-07-13
UAL142 - 4 2026-07-13
UAL1122 - 4 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 UAL182 DEN → FRA Jul 13, 22:10 UTCJul 14, 07:15 UTC9h 5m
2026-07-13 UAL142 - Jul 13, 08:05 UTCJul 13, 18:15 UTC10h 10m
2026-07-12 UAL7 IAH → NRT Jul 12, 16:02 UTCJul 13, 04:20 UTC12h 18m
2026-07-12 UAL7 - Jul 12, 15:50 UTCJul 13, 04:20 UTC12h 30m
2026-07-12 UAL63 - Jul 12, 01:05 UTCJul 12, 10:35 UTC9h 30m
2026-07-10 UAL62 - Jul 10, 23:55 UTCJul 11, 09:05 UTC9h 10m
2026-07-10 UAL6 - Jul 10, 08:20 UTCJul 10, 20:20 UTC12h 0m
2026-07-09 UAL32 - Jul 9, 18:25 UTCJul 10, 05:00 UTC10h 35m
2026-07-09 UAL842 - Jul 9, 00:05 UTCJul 9, 13:15 UTC13h 10m
2026-07-08 UAL839 - Jul 8, 06:45 UTCJul 8, 21:10 UTC14h 25m
2026-07-07 UAL821 - Jul 7, 14:40 UTCJul 8, 03:00 UTC12h 20m
2026-07-07 UAL821 - Jul 7, 12:00 UTCJul 7, 12:15 UTC15m
2026-07-07 UAL821 - Jul 7, 09:50 UTCJul 7, 11:15 UTC1h 25m
2026-07-07 UAL820 - Jul 7, 01:50 UTCJul 7, 02:30 UTC40m
2026-07-07 UAL820 - Jul 7, 00:15 UTCJul 7, 00:25 UTC10m
2026-07-06 UAL820 - Jul 6, 07:15 UTCJul 6, 21:25 UTC14h 10m
2026-07-05 UAL353 - Jul 5, 23:35 UTCJul 6, 04:45 UTC5h 10m
2026-07-04 UAL187 - Jul 4, 20:10 UTCJul 5, 11:25 UTC15h 15m
2026-07-04 UAL188 EWR → JNB Jul 4, 03:55 UTCJul 4, 17:35 UTC13h 40m
2026-07-03 UAL2096 LAX → EWR Jul 3, 16:55 UTCJul 3, 22:15 UTC5h 20m
2026-07-03 UAL842 - Jul 3, 00:00 UTCJul 3, 13:15 UTC13h 15m
2026-07-02 UAL842 SYD → LAX Jul 2, 23:51 UTCJul 3, 13:11 UTC13h 20m
2026-07-02 UAL863 SFO → SYD Jul 2, 06:31 UTCJul 2, 20:34 UTC14h 3m
2026-07-02 UAL863 - Jul 2, 06:25 UTCJul 2, 06:55 UTC30m
2026-07-01 UAL969 - Jul 1, 13:45 UTCJul 1, 23:55 UTC10h 10m
2026-06-30 UAL968 - Jun 30, 22:30 UTCJul 1, 08:05 UTC9h 35m
2026-06-30 UAL892 ICN → SFO Jun 30, 08:00 UTCJun 30, 18:05 UTC10h 5m
2026-06-29 UAL893 SFO → ICN Jun 29, 18:10 UTCJun 30, 05:51 UTC11h 41m
2026-06-29 UAL893 SFO → ICN Jun 29, 18:14 UTCJun 30, 05:55 UTC11h 40m
2026-06-29 UAL870 - Jun 29, 00:39 UTCJun 29, 13:34 UTC12h 55m
2026-06-28 UAL863 SFO → SYD Jun 28, 06:30 UTCJun 28, 20:54 UTC14h 25m
2026-06-27 UAL949 - Jun 27, 13:04 UTCJun 27, 23:14 UTC10h 10m
2026-06-27 UAL948 SFO → LHR Jun 27, 00:54 UTCJun 27, 10:40 UTC9h 46m
2026-06-27 UAL948 SFO → LHR Jun 27, 00:50 UTCJun 27, 10:45 UTC9h 55m
2026-06-26 UAL949 - Jun 26, 12:24 UTCJun 26, 22:40 UTC10h 15m
2026-06-26 UAL948 SFO → LHR Jun 26, 00:24 UTCJun 26, 10:15 UTC9h 50m
2026-06-25 UAL3908 DEN → SFO Jun 25, 19:49 UTCJun 25, 21:59 UTC2h 10m
2026-06-25 UAL142 NRT → DEN Jun 25, 07:45 UTCJun 25, 17:14 UTC9h 30m
2026-06-24 UAL32 - Jun 24, 18:09 UTCJun 25, 05:00 UTC10h 50m
2026-06-23 UAL353 EWR → LAX Jun 23, 23:50 UTCJun 24, 04:50 UTC5h 0m
2026-06-23 UAL8111 LAX → EWR Jun 23, 16:09 UTCJun 23, 20:40 UTC4h 30m
2026-06-23 UAL842 - Jun 23, 00:00 UTCJun 23, 00:30 UTC30m
2026-06-22 UAL842 SYD → LAX Jun 22, 23:56 UTCJun 23, 12:44 UTC12h 48m
2026-06-22 UAL839 - Jun 22, 06:29 UTCJun 22, 20:55 UTC14h 25m
2026-06-22 UAL839 LAX → SYD Jun 22, 06:09 UTCJun 22, 20:51 UTC14h 42m
2026-06-21 UAL821 - Jun 21, 14:15 UTCJun 22, 03:24 UTC13h 10m
2026-06-21 UAL821 - Jun 21, 11:05 UTCJun 21, 11:24 UTC20m
2026-06-21 UAL821 - Jun 21, 08:54 UTCJun 21, 10:14 UTC1h 20m
2026-06-21 UAL820 HKG → BKK Jun 21, 00:04 UTCJun 21, 02:15 UTC2h 10m
2026-06-20 UAL820 - Jun 20, 07:29 UTCJun 20, 21:25 UTC13h 55m

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 N22992 page for operator, model, and routing details .

Mode-S A2061E frequently asked

What is Mode-S code A2061E?
A2061E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N22992.
Where is Mode-S A2061E registered?
Mode-S code A2061E 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 A2061E broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2061E, octal 50403036, decimal 10,618,398.
What flights does A2061E operate?
Mode-S A2061E has broadcast 20 distinct callsigns, including UAL821, UAL820, UAL806, UAL842, UAL805.