Apparatus

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sensors Mode-S transponder

A3B140

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N337QT · AIRBUS A-330-300 · operated by BANK OF UTAH TRUSTEE

Hex
A3B140
Octal
50730500
Decimal
10,727,744
Country
US
Tail
N337QT
Type
A333
No current signal · last broadcast 5d ago
Flights observed
149
Distinct callsigns
20
Country
US
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S A3B140.

Country allocation

The ICAO 24-bit address A3B140 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
TNO4260 Aerotransporte de Carga Union 18 2026-05-21
TNO7089 Aerotransporte de Carga Union 17 2026-05-23
TNO7083 Aerotransporte de Carga Union 14 2026-05-06
TPA4158 Tampa Cargo 6 2026-05-22
TNO4269 Aerotransporte de Carga Union 6 2026-05-09
TPA4102 Tampa Cargo 5 2026-04-18
TPA4100 Tampa Cargo 5 2026-05-16
TNO4263 Aerotransporte de Carga Union 5 2026-04-27
TNO4262 Aerotransporte de Carga Union 4 2026-04-28
TPA4172 Tampa Cargo 3 2026-05-22
TPA4110 Tampa Cargo 3 2026-05-04
TPA4109 Tampa Cargo 3 2026-04-21
TNO4268 Aerotransporte de Carga Union 3 2026-05-09
TPA4200 Tampa Cargo 2 2026-05-19
TPA4181 Tampa Cargo 2 2026-05-17
TPA4170 Tampa Cargo 2 2026-04-25
TPA4156 Tampa Cargo 2 2026-05-12
TPA4143 Tampa Cargo 2 2026-05-10
TPA4142 Tampa Cargo 2 2026-04-27
TPA4141 Tampa Cargo 2 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-24 TNO4273 MIA → SJO May 24, 10:15 UTCMay 24, 19:50 UTC9h 35m
2026-05-23 TPA4208 BOG → MIA May 23, 23:40 UTCMay 24, 03:05 UTC3h 25m
2026-05-23 TNO7089 LAX → GDL May 23, 15:00 UTCMay 23, 15:20 UTC20m
2026-05-23 TNO7089 LAX → GDL May 23, 11:25 UTCMay 23, 13:30 UTC2h 5m
2026-05-23 TNO7089 LAX → GDL May 23, 03:10 UTCMay 23, 03:50 UTC40m
2026-05-22 TPA4158 BOG → LAX May 22, 20:35 UTCMay 23, 00:40 UTC4h 5m
2026-05-22 TPA4158 BOG → LAX May 22, 19:45 UTCMay 22, 20:10 UTC25m
2026-05-22 TPA4158 BOG → LAX May 22, 15:25 UTCMay 22, 15:45 UTC20m
2026-05-22 TPA4009 MIA → BOG May 22, 11:05 UTCMay 22, 11:35 UTC30m
2026-05-22 TPA4009 MIA → BOG May 22, 08:15 UTCMay 22, 08:40 UTC25m
2026-05-22 TPA4172 BOG → MIA May 22, 02:35 UTCMay 22, 03:10 UTC35m
2026-05-22 TPA4172 BOG → MIA May 22, 00:00 UTCMay 22, 00:15 UTC15m
2026-05-21 TNO7089 LAX → GDL May 21, 20:50 UTCMay 21, 21:05 UTC15m
2026-05-21 TNO7089 LAX → GDL May 21, 17:15 UTCMay 21, 18:45 UTC1h 30m
2026-05-21 TNO7089 LAX → GDL May 21, 05:55 UTCMay 21, 07:15 UTC1h 20m
2026-05-21 TNO4260 MID → LAX May 21, 00:20 UTCMay 21, 01:45 UTC1h 25m
2026-05-20 TNO4260 MID → LAX May 20, 16:00 UTCMay 20, 20:00 UTC4h 0m
2026-05-20 TPA4003 MIA → MDE May 20, 12:15 UTCMay 20, 12:30 UTC15m
2026-05-20 TPA4003 MIA → MDE May 20, 09:35 UTCMay 20, 09:55 UTC20m
2026-05-19 TNO4274 SAP → MIA May 19, 12:30 UTCMay 19, 22:00 UTC9h 30m
2026-05-19 TPA4200 BOG → MIA May 19, 09:40 UTCMay 19, 10:15 UTC35m
2026-05-19 TPA4200 BOG → MIA May 19, 06:55 UTCMay 19, 07:10 UTC15m
2026-05-17 TPA4181 MIA → BOG May 17, 18:55 UTCMay 17, 19:10 UTC15m
2026-05-17 TPA4181 MIA → BOG May 17, 16:20 UTCMay 17, 16:45 UTC25m
2026-05-16 TPA4100 BOG → MIA May 16, 06:06 UTCMay 16, 06:41 UTC35m
2026-05-16 TPA4100 BOG → MIA May 16, 03:35 UTCMay 16, 03:50 UTC15m
2026-05-16 TNO7089 LAX → GDL May 16, 00:25 UTCMay 16, 00:40 UTC15m
2026-05-15 TNO7089 LAX → GDL May 15, 20:55 UTCMay 15, 22:30 UTC1h 35m
2026-05-15 TNO7089 LAX → GDL May 15, 12:40 UTCMay 15, 14:00 UTC1h 20m
2026-05-15 TPA4158 BOG → LAX May 15, 05:05 UTCMay 15, 09:50 UTC4h 45m
2026-05-15 TPA4158 BOG → LAX May 15, 00:55 UTCMay 15, 01:05 UTC10m
2026-05-14 TPA4036 UIO → MIA May 14, 21:20 UTCMay 14, 21:40 UTC20m
2026-05-14 TPA4037 MIA → GYE May 14, 12:05 UTCMay 14, 13:50 UTC1h 45m
2026-05-14 TPA4172 BOG → MIA May 14, 08:40 UTCMay 14, 09:15 UTC35m
2026-05-13 TNO7081 LAX → NLU May 13, 08:45 UTCMay 13, 10:25 UTC1h 40m
2026-05-12 TNO7081 LAX → NLU May 12, 23:45 UTCMay 13, 01:05 UTC1h 20m
2026-05-12 TNO7092 GDL → LAX May 12, 19:20 UTCMay 12, 20:45 UTC1h 25m
2026-05-12 TNO7091 LAX → GDL May 12, 08:50 UTCMay 12, 10:15 UTC1h 25m
2026-05-12 TPA4156 SAL → LAX May 12, 03:35 UTCMay 12, 05:00 UTC1h 25m
2026-05-10 TPA4143 MIA → UIO May 10, 22:15 UTCMay 10, 23:50 UTC1h 35m
2026-05-10 TPA4140 UIO → MIA May 10, 00:34 UTCMay 10, 12:25 UTC11h 50m
2026-05-09 TNO4268 SJO → MIA May 9, 14:30 UTCMay 9, 20:20 UTC5h 50m
2026-05-09 TNO4269 MIA → GUA May 9, 12:25 UTCMay 9, 12:35 UTC10m
2026-05-09 TNO4269 MIA → GUA May 9, 10:20 UTCMay 9, 10:55 UTC35m
2026-05-09 TPA4100 BOG → MIA May 9, 06:55 UTCMay 9, 07:30 UTC35m
2026-05-08 TNO7089 LAX → GDL May 8, 19:55 UTCMay 8, 22:05 UTC2h 10m
2026-05-08 TNO7089 LAX → GDL May 8, 11:30 UTCMay 8, 12:55 UTC1h 25m
2026-05-08 TPA4158 BOG → LAX May 8, 03:04 UTCMay 8, 07:59 UTC4h 55m
2026-05-06 TNO7083 LAX → GDL May 6, 18:15 UTCMay 6, 19:55 UTC1h 40m
2026-05-06 TNO7083 LAX → GDL May 6, 14:20 UTCMay 6, 15:20 UTC1h 0m

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 N337QT page for operator, model, and routing details .

Mode-S A3B140 frequently asked

What is Mode-S code A3B140?
A3B140 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N337QT.
Where is Mode-S A3B140 registered?
Mode-S code A3B140 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 A3B140 broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A3B140, octal 50730500, decimal 10,727,744.
What flights does A3B140 operate?
Mode-S A3B140 has broadcast 20 distinct callsigns, including TNO4260, TNO7089, TNO7083, TPA4158, TNO4269.