Apparatus

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sensors Mode-S transponder

A3A082

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N33262 · BOEING 737-800 · operated by UNITED AIRLINES INC

Hex
A3A082
Octal
50720202
Decimal
10,723,458
Country
US
Tail
N33262
Type
B738
No current signal · last broadcast 1h ago
Flights observed
187
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A3A082.

Country allocation

The ICAO 24-bit address A3A082 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
UAL33 United Airlines 27 2026-07-17
UAL838 - 18 2026-07-18
UAL837 - 17 2026-07-17
UAL196 - 15 2026-07-16
UAL849 United Airlines 13 2026-05-29
UAL827 - 11 2026-07-08
UAL32 - 10 2026-07-16
UAL197 - 9 2026-07-18
UAL848 United Airlines 8 2026-05-29
UAL873 - 7 2026-07-07
UAL865 United Airlines 7 2026-06-01
UAL157 - 7 2026-07-15
UAL150 United Airlines 5 2026-06-24
UAL183 - 4 2026-07-02
UAL166 United Airlines 4 2026-06-13
UAL158 - 4 2026-07-15
UAL151 United Airlines 4 2026-06-24
UAL136 United Airlines 4 2026-06-12
UAL864 United Airlines 3 2026-05-30
UAL184 - 3 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 UAL197 - Jul 18, 08:20 UTCJul 18, 08:50 UTC30m
2026-07-18 UAL838 KHH → NRT Jul 18, 02:00 UTCJul 18, 05:25 UTC3h 26m
2026-07-17 UAL837 - Jul 17, 09:15 UTCJul 17, 12:30 UTC3h 15m
2026-07-17 UAL837 NRT → KHH Jul 17, 09:22 UTCJul 17, 12:25 UTC3h 3m
2026-07-17 UAL33 NRT → LAX Jul 17, 01:36 UTCJul 17, 06:06 UTC4h 30m
2026-07-16 UAL32 - Jul 16, 09:10 UTCJul 16, 09:55 UTC45m
2026-07-16 UAL196 - Jul 16, 05:20 UTCJul 16, 06:20 UTC1h 0m
2026-07-16 UAL196 GUM → NRT Jul 16, 02:29 UTCJul 16, 06:10 UTC3h 41m
2026-07-15 UAL158 ROR → GUM Jul 15, 17:13 UTCJul 15, 18:32 UTC1h 19m
2026-07-15 UAL158 - Jul 15, 16:55 UTCJul 15, 17:05 UTC10m
2026-07-15 UAL157 - Jul 15, 15:25 UTCJul 15, 15:40 UTC15m
2026-07-15 UAL157 GUM → ROR Jul 15, 13:57 UTCJul 15, 15:38 UTC1h 41m
2026-07-15 UAL197 - Jul 15, 08:45 UTCJul 15, 09:20 UTC35m
2026-07-15 UAL838 KHH → NRT Jul 15, 02:10 UTCJul 15, 05:35 UTC3h 25m
2026-07-14 UAL837 - Jul 14, 09:10 UTCJul 14, 12:20 UTC3h 10m
2026-07-14 UAL838 - Jul 14, 02:20 UTCJul 14, 02:30 UTC10m
2026-07-14 UAL838 KHH → NRT Jul 14, 02:08 UTCJul 14, 05:37 UTC3h 29m
2026-07-13 UAL837 - Jul 13, 09:05 UTCJul 13, 12:15 UTC3h 10m
2026-07-13 UAL33 - Jul 13, 05:40 UTCJul 13, 06:30 UTC50m
2026-07-12 UAL33 - Jul 12, 09:15 UTCJul 13, 06:30 UTC21h 15m
2026-07-12 UAL196 GUM → NRT Jul 12, 02:39 UTCJul 12, 05:59 UTC3h 20m
2026-07-11 UAL197 - Jul 11, 09:15 UTCJul 11, 09:50 UTC35m
2026-07-09 UAL33 - Jul 9, 12:35 UTCJul 10, 06:45 UTC18h 10m
2026-07-09 UAL33 - Jul 9, 11:05 UTCJul 10, 06:45 UTC19h 40m
2026-07-09 UAL32 - Jul 9, 09:10 UTCJul 10, 06:45 UTC21h 35m
2026-07-08 UAL196 - Jul 8, 18:20 UTCJul 9, 06:20 UTC12h 0m
2026-07-08 UAL157 - Jul 8, 16:35 UTCJul 8, 16:45 UTC10m
2026-07-08 UAL157 GUM → ROR Jul 8, 14:37 UTCJul 8, 16:42 UTC2h 5m
2026-07-08 UAL827 - Jul 8, 02:05 UTCJul 8, 02:40 UTC35m
2026-07-07 UAL873 - Jul 7, 11:55 UTCJul 7, 12:45 UTC50m
2026-07-07 UAL873 GUM → NRT Jul 7, 09:18 UTCJul 7, 12:36 UTC3h 18m
2026-07-07 UAL827 - Jul 7, 04:45 UTCJul 7, 05:20 UTC35m
2026-07-07 UAL827 NRT → GUM Jul 7, 04:17 UTCJul 7, 07:51 UTC3h 34m
2026-07-05 UAL838 - Jul 5, 02:00 UTCJul 5, 02:25 UTC25m
2026-07-05 UAL838 KHH → NRT Jul 5, 02:08 UTCJul 5, 05:32 UTC3h 24m
2026-07-04 UAL837 SFO → NRT Jul 4, 09:10 UTCJul 4, 12:40 UTC3h 30m
2026-07-04 UAL33 CEB → NRT Jul 4, 01:36 UTCJul 4, 05:32 UTC3h 56m
2026-07-03 UAL33 - Jul 3, 09:35 UTCJul 4, 05:35 UTC20h 0m
2026-07-03 UAL196 GUM → NRT Jul 3, 02:54 UTCJul 3, 06:02 UTC3h 8m
2026-07-02 UAL184 MNL → NRT Jul 2, 14:55 UTCJul 3, 06:10 UTC15h 15m
2026-07-02 UAL183 GUM → MNL Jul 2, 09:29 UTCJul 2, 12:43 UTC3h 14m
2026-07-02 UAL827 - Jul 2, 02:15 UTCJul 2, 02:45 UTC30m
2026-07-01 UAL873 GUM → NRT Jul 1, 07:13 UTCJul 1, 10:30 UTC3h 17m
2026-06-29 UAL3936 - Jun 29, 07:50 UTCJun 29, 08:35 UTC45m
2026-06-26 UAL837 SFO → NRT Jun 26, 09:35 UTCJun 26, 13:10 UTC3h 35m
2026-06-26 UAL33 - Jun 26, 05:05 UTCJun 26, 06:25 UTC1h 20m
2026-06-25 UAL33 - Jun 25, 09:34 UTCJun 26, 06:25 UTC20h 50m
2026-06-24 UAL196 - Jun 24, 17:05 UTCJun 25, 05:50 UTC12h 45m
2026-06-24 UAL150 KIX → GUM Jun 24, 02:24 UTCJun 24, 15:39 UTC13h 15m
2026-06-24 UAL151 GUM → KIX Jun 24, 00:44 UTCJun 24, 01:14 UTC30m

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 N33262 page for operator, model, and routing details .

Mode-S A3A082 frequently asked

What is Mode-S code A3A082?
A3A082 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N33262.
Where is Mode-S A3A082 registered?
Mode-S code A3A082 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 A3A082 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 A3A082, octal 50720202, decimal 10,723,458.
What flights does A3A082 operate?
Mode-S A3A082 has broadcast 20 distinct callsigns, including UAL33, UAL838, UAL837, UAL196, UAL849.