Apparatus

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sensors Mode-S transponder

A8981E

ICAO 24-bit transponder address · allocated to United States

Hex
A8981E
Octal
52114036
Decimal
11,048,990
Country
US
No current signal · last broadcast 14h ago
Flights observed
139
Distinct callsigns
4
Country
US
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S A8981E.

Country allocation

The ICAO 24-bit address A8981E 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 4 distinct

Callsign Airline Flights Last seen
VTE653 - 69 2026-07-22
VTE7653 Corporate Flight Management 59 2026-07-21
VTE0653 - 7 2026-07-06
VTE9653 - 4 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 VTE653 FOK → BED Jul 22, 22:15 UTCJul 23, 00:25 UTC2h 10m
2026-07-22 VTE653 - Jul 22, 13:25 UTCJul 22, 16:05 UTC2h 40m
2026-07-21 VTE7653 MQY → FLL Jul 21, 22:30 UTCJul 21, 23:20 UTC50m
2026-07-16 VTE9653 BNA → MQY Jul 16, 00:25 UTCJul 16, 00:35 UTC10m
2026-07-15 VTE653 AUS → BNA Jul 15, 21:50 UTCJul 15, 23:45 UTC1h 55m
2026-07-15 VTE653 ORL → AUS Jul 15, 13:15 UTCJul 15, 15:35 UTC2h 20m
2026-07-14 VTE7653 - Jul 14, 20:45 UTCJul 14, 21:55 UTC1h 10m
2026-07-14 VTE653 - Jul 14, 17:00 UTCJul 14, 18:40 UTC1h 40m
2026-07-14 VTE7653 - Jul 14, 14:25 UTCJul 14, 16:20 UTC1h 55m
2026-07-13 VTE7653 - Jul 13, 19:50 UTCJul 13, 19:55 UTC5m
2026-07-11 VTE7653 - Jul 11, 20:45 UTCJul 11, 21:35 UTC50m
2026-07-11 VTE653 - Jul 11, 16:10 UTCJul 11, 17:25 UTC1h 15m
2026-07-10 VTE653 - Jul 10, 20:55 UTCJul 10, 21:50 UTC55m
2026-07-10 VTE7653 - Jul 10, 18:10 UTCJul 10, 18:50 UTC40m
2026-07-09 VTE653 IAD → BNA Jul 9, 20:55 UTCJul 9, 22:30 UTC1h 35m
2026-07-09 VTE7653 - Jul 9, 17:45 UTCJul 9, 18:20 UTC35m
2026-07-09 VTE653 - Jul 9, 15:15 UTCJul 9, 16:30 UTC1h 15m
2026-07-09 VTE7653 - Jul 9, 13:05 UTCJul 9, 13:55 UTC50m
2026-07-08 VTE653 - Jul 8, 22:10 UTCJul 8, 23:00 UTC50m
2026-07-08 VTE7653 - Jul 8, 19:25 UTCJul 8, 19:45 UTC20m
2026-07-08 VTE653 - Jul 8, 16:25 UTCJul 8, 17:40 UTC1h 15m
2026-07-07 VTE7653 - Jul 7, 20:00 UTCJul 7, 21:15 UTC1h 15m
2026-07-07 VTE653 FOK → BED Jul 7, 17:15 UTCJul 7, 18:25 UTC1h 10m
2026-07-06 VTE7653 - Jul 6, 21:35 UTCJul 6, 22:20 UTC45m
2026-07-06 VTE7653 - Jul 6, 17:10 UTCJul 6, 17:55 UTC45m
2026-07-06 VTE7653 - Jul 6, 15:55 UTCJul 6, 16:15 UTC20m
2026-07-06 VTE0653 - Jul 6, 13:50 UTCJul 6, 14:35 UTC45m
2026-07-05 VTE7653 - Jul 5, 23:40 UTCJul 6, 01:05 UTC1h 25m
2026-07-05 VTE0653 - Jul 5, 20:40 UTCJul 5, 22:15 UTC1h 35m
2026-07-05 VTE7653 - Jul 5, 16:45 UTCJul 5, 17:00 UTC15m
2026-07-05 VTE0653 - Jul 5, 14:10 UTCJul 5, 15:20 UTC1h 10m
2026-07-04 VTE7653 BLM → ROA Jul 4, 19:55 UTCJul 4, 21:40 UTC1h 45m
2026-07-03 VTE0653 - Jul 3, 17:45 UTCJul 3, 20:20 UTC2h 35m
2026-07-03 VTE7653 - Jul 3, 15:45 UTCJul 3, 16:35 UTC50m
2026-07-03 VTE0653 - Jul 3, 12:50 UTCJul 3, 14:20 UTC1h 30m
2026-07-02 VTE7653 - Jul 2, 21:40 UTCJul 2, 22:20 UTC40m
2026-07-02 VTE9653 - Jul 2, 19:45 UTCJul 2, 20:15 UTC30m
2026-06-25 VTE9653 PHL → MMU Jun 25, 17:09 UTCJun 25, 18:39 UTC1h 30m
2026-06-17 VTE653 FOK → BED Jun 17, 19:10 UTCJun 17, 21:00 UTC1h 50m
2026-06-17 VTE7653 MQY → FLL Jun 17, 15:50 UTCJun 17, 16:35 UTC45m
2026-06-17 VTE653 FOK → BED Jun 17, 13:10 UTCJun 17, 14:45 UTC1h 35m
2026-06-16 VTE7653 MQY → FLL Jun 16, 20:00 UTCJun 16, 20:30 UTC30m
2026-06-16 VTE653 FOK → BED Jun 16, 16:25 UTCJun 16, 19:15 UTC2h 50m
2026-06-15 VTE7653 MQY → FLL Jun 15, 19:20 UTCJun 15, 19:45 UTC25m
2026-06-15 VTE653 FOK → BED Jun 15, 15:59 UTCJun 15, 17:59 UTC2h 0m
2026-06-15 VTE7653 MQY → FLL Jun 15, 13:10 UTCJun 15, 14:00 UTC50m
2026-06-14 VTE653 FOK → BED Jun 14, 21:35 UTCJun 14, 23:05 UTC1h 30m
2026-06-14 VTE7653 MQY → FLL Jun 14, 18:45 UTCJun 14, 19:40 UTC55m
2026-06-13 VTE653 FOK → BED Jun 13, 12:35 UTCJun 13, 14:40 UTC2h 5m
2026-06-12 VTE7653 MQY → FLL Jun 12, 23:10 UTCJun 12, 23:30 UTC20m

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.

Mode-S A8981E frequently asked

What is Mode-S code A8981E?
A8981E is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A8981E registered?
Mode-S code A8981E 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 A8981E 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 A8981E, octal 52114036, decimal 11,048,990.
What flights does A8981E operate?
Mode-S A8981E has broadcast 4 distinct callsigns, including VTE653, VTE7653, VTE0653, VTE9653.