Apparatus

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sensors Mode-S transponder

A9953B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N7164 · BOMBARDIER Regional Jet CRJ-200 · operated by CRJ CAPITAL CORP

Hex
A9953B
Octal
52312473
Decimal
11,113,787
Country
US
Tail
N7164
Type
CRJ2
No current signal · last broadcast 14h ago
Flights observed
185
Distinct callsigns
20
Country
US
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S A9953B.

Country allocation

The ICAO 24-bit address A9953B 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
VTE164 - 66 2026-07-13
VTE7164 - 33 2026-07-13
VTE8164 - 11 2026-06-23
VTE8716 Corporate Flight Management 10 2026-06-11
VTE3010 - 5 2026-06-23
VTE3041 - 4 2026-06-22
VTE3012 - 4 2026-06-22
VTE3011 - 4 2026-06-22
VTE3068 Corporate Flight Management 3 2026-05-16
VTE3046 Corporate Flight Management 3 2026-05-14
VTE716 Corporate Flight Management 2 2026-04-13
VTE3691 Corporate Flight Management 2 2026-05-13
VTE3552 Corporate Flight Management 2 2026-05-13
VTE3548 Corporate Flight Management 2 2026-05-13
VTE3048 Corporate Flight Management 2 2026-05-15
VTE3047 Corporate Flight Management 2 2026-05-14
VTE3044 Corporate Flight Management 2 2026-06-22
VTE3043 Corporate Flight Management 2 2026-06-22
VTE3015 - 2 2026-06-23
VTE2164 Corporate Flight Management 2 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 VTE164 - Jul 13, 22:00 UTCJul 13, 22:30 UTC30m
2026-07-13 VTE164 - Jul 13, 18:30 UTCJul 13, 18:55 UTC25m
2026-07-13 VTE7164 - Jul 13, 13:25 UTCJul 13, 15:20 UTC1h 55m
2026-07-12 VTE164 RDU → PDK Jul 12, 18:05 UTCJul 12, 19:01 UTC55m
2026-07-11 VTE7164 - Jul 11, 18:25 UTCJul 11, 19:50 UTC1h 25m
2026-07-11 VTE164 - Jul 11, 15:30 UTCJul 11, 17:00 UTC1h 30m
2026-07-10 VTE7164 - Jul 10, 22:40 UTCJul 10, 23:30 UTC50m
2026-07-10 VTE7164 EWR → RDU Jul 10, 19:25 UTCJul 10, 20:50 UTC1h 25m
2026-07-10 VTE9101 - Jul 10, 16:15 UTCJul 10, 18:00 UTC1h 45m
2026-07-07 VTE7164 RSW → MQY Jul 7, 21:45 UTCJul 7, 23:25 UTC1h 40m
2026-07-07 VTE164 - Jul 7, 20:10 UTCJul 7, 20:55 UTC45m
2026-07-07 VTE164 - Jul 7, 18:15 UTCJul 7, 18:30 UTC15m
2026-07-07 VTE164 - Jul 7, 16:45 UTCJul 7, 17:10 UTC25m
2026-07-06 VTE164 - Jul 6, 15:05 UTCJul 6, 23:15 UTC8h 10m
2026-07-05 VTE7164 - Jul 5, 23:45 UTCJul 6, 00:55 UTC1h 10m
2026-07-05 VTE164 - Jul 5, 19:50 UTCJul 5, 22:45 UTC2h 55m
2026-07-05 VTE7164 - Jul 5, 15:40 UTCJul 5, 16:00 UTC20m
2026-07-04 VTE164 - Jul 4, 15:40 UTCJul 4, 18:50 UTC3h 10m
2026-07-04 VTE7164 - Jul 4, 14:45 UTCJul 4, 14:55 UTC10m
2026-07-03 VTE642 - Jul 3, 21:20 UTCJul 3, 21:55 UTC35m
2026-07-03 VTE641 - Jul 3, 15:15 UTCJul 3, 16:00 UTC45m
2026-07-03 VTE571 - Jul 3, 13:25 UTCJul 3, 14:35 UTC1h 10m
2026-07-02 VTE7164 - Jul 2, 20:35 UTCJul 2, 23:00 UTC2h 25m
2026-07-02 VTE164 - Jul 2, 18:15 UTCJul 2, 18:35 UTC20m
2026-07-02 VTE164 - Jul 2, 16:00 UTCJul 2, 16:40 UTC40m
2026-07-02 VTE7164 - Jul 2, 00:15 UTCJul 2, 01:55 UTC1h 40m
2026-07-01 VTE7164 - Jul 1, 16:25 UTCJul 1, 23:10 UTC6h 45m
2026-07-01 VTE7164 - Jul 1, 12:25 UTCJul 1, 14:00 UTC1h 35m
2026-06-29 VTE164 - Jun 29, 21:39 UTCJun 29, 23:49 UTC2h 10m
2026-06-29 VTE7164 - Jun 29, 15:00 UTCJun 29, 15:09 UTC10m
2026-06-29 VTE164 - Jun 29, 13:09 UTCJun 29, 13:44 UTC35m
2026-06-28 VTE7164 - Jun 28, 19:55 UTCJun 28, 21:40 UTC1h 45m
2026-06-28 VTE7164 - Jun 28, 00:20 UTCJun 28, 02:10 UTC1h 50m
2026-06-27 VTE164 - Jun 27, 02:09 UTCJun 27, 03:55 UTC1h 45m
2026-06-26 VTE164 - Jun 26, 09:55 UTCJun 26, 11:34 UTC1h 40m
2026-06-26 VTE164 - Jun 26, 05:05 UTCJun 26, 07:00 UTC1h 55m
2026-06-26 VTE7164 - Jun 26, 01:29 UTCJun 26, 02:54 UTC1h 25m
2026-06-23 VTE8164 - Jun 23, 17:04 UTCJun 23, 18:10 UTC1h 5m
2026-06-23 VTE3010 - Jun 23, 14:44 UTCJun 23, 15:15 UTC30m
2026-06-23 VTE3015 - Jun 23, 00:04 UTCJun 23, 00:35 UTC30m
2026-06-22 VTE3012 - Jun 22, 21:10 UTCJun 22, 21:45 UTC35m
2026-06-22 VTE3011 - Jun 22, 17:44 UTCJun 22, 18:30 UTC45m
2026-06-22 VTE3041 - Jun 22, 15:20 UTCJun 22, 15:59 UTC40m
2026-06-22 VTE3043 BNA → UIN Jun 22, 13:35 UTCJun 22, 14:34 UTC1h 0m
2026-06-22 VTE3044 UIN → BNA Jun 22, 00:34 UTCJun 22, 01:25 UTC50m
2026-06-21 VTE3043 BNA → UIN Jun 21, 22:49 UTCJun 21, 23:50 UTC1h 0m
2026-06-21 VTE164 MQY → CLT Jun 21, 20:59 UTCJun 21, 21:54 UTC55m
2026-06-21 VTE164 MQY → CLT Jun 21, 18:25 UTCJun 21, 20:14 UTC1h 50m
2026-06-21 VTE164 MQY → CLT Jun 21, 16:49 UTCJun 21, 17:15 UTC25m
2026-06-19 VTE9164 - Jun 19, 18:54 UTCJun 19, 19:19 UTC25m

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 N7164 page for operator, model, and routing details .

Mode-S A9953B frequently asked

What is Mode-S code A9953B?
A9953B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N7164.
Where is Mode-S A9953B registered?
Mode-S code A9953B 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 A9953B broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9953B, octal 52312473, decimal 11,113,787.
What flights does A9953B operate?
Mode-S A9953B has broadcast 20 distinct callsigns, including VTE164, VTE7164, VTE8164, VTE8716, VTE3010.