sensors Mode-S transponder

A0DF3C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N15509 · EMBRAER ERJ-135 · operated by CORPORATE FLIGHT MANAGEMENT INC

Hex
A0DF3C
Octal
50157474
Decimal
10,542,908
Country
US
Tail
N15509
Type
E135
No current signal · last broadcast 8h ago
Flights observed
137
Distinct callsigns
20
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S A0DF3C.

Country allocation

The ICAO 24-bit address A0DF3C 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 VTE3029 ORD → MBL May 29, 22:30 UTCMay 29, 23:00 UTC30m
2026-05-29 VTE3024 MBL → ORD May 29, 20:05 UTCMay 29, 20:55 UTC50m
2026-05-29 VTE3027 ORD → MBL May 29, 17:10 UTCMay 29, 17:40 UTC30m
2026-05-29 VTE3020 MBL → ORD May 29, 14:20 UTCMay 29, 14:55 UTC35m
2026-05-28 VTE3029 ORD → MBL May 28, 22:30 UTCMay 28, 22:55 UTC25m
2026-05-28 VTE3024 MBL → ORD May 28, 20:10 UTCMay 28, 21:00 UTC50m
2026-05-28 VTE3027 ORD → MBL May 28, 17:40 UTCMay 28, 18:10 UTC30m
2026-05-28 VTE3020 MBL → ORD May 28, 15:05 UTCMay 28, 15:55 UTC50m
2026-05-27 VTE3029 ORD → MBL May 27, 22:30 UTCMay 27, 23:00 UTC30m
2026-05-27 VTE3024 MBL → ORD May 27, 20:05 UTCMay 27, 21:00 UTC55m
2026-05-27 VTE3027 ORD → MBL May 27, 17:15 UTCMay 27, 17:50 UTC35m
2026-05-27 VTE3020 MBL → ORD May 27, 14:10 UTCMay 27, 15:00 UTC50m
2026-05-26 VTE3029 ORD → MBL May 26, 22:25 UTCMay 26, 22:50 UTC25m
2026-05-26 VTE3024 MBL → ORD May 26, 20:00 UTCMay 26, 20:50 UTC50m
2026-05-26 VTE3027 ORD → MBL May 26, 16:35 UTCMay 26, 17:05 UTC30m
2026-05-26 VTE3020 MBL → ORD May 26, 14:24 UTCMay 26, 15:00 UTC35m
2026-05-25 VTE3029 ORD → MBL May 25, 22:55 UTCMay 25, 23:19 UTC25m
2026-05-25 VTE3024 MBL → ORD May 25, 19:59 UTCMay 25, 20:34 UTC35m
2026-05-25 VTE3027 ORD → MBL May 25, 17:25 UTCMay 25, 17:55 UTC30m
2026-05-25 VTE3020 MBL → ORD May 25, 14:20 UTCMay 25, 14:55 UTC35m
2026-05-24 VTE3029 ORD → MBL May 24, 23:00 UTCMay 24, 23:15 UTC15m
2026-05-24 VTE3024 MBL → ORD May 24, 20:10 UTCMay 24, 21:25 UTC1h 15m
2026-05-24 VTE3027 ORD → MBL May 24, 18:25 UTCMay 24, 18:50 UTC25m
2026-05-24 VTE3020 MBL → ORD May 24, 16:10 UTCMay 24, 17:00 UTC50m
2026-05-23 VTE3029 ORD → MBL May 23, 22:05 UTCMay 23, 22:35 UTC30m
2026-05-23 VTE3024 MBL → ORD May 23, 20:00 UTCMay 23, 21:00 UTC1h 0m
2026-05-23 VTE3027 ORD → MBL May 23, 16:35 UTCMay 23, 17:10 UTC35m
2026-05-23 VTE3010 BRL → ORD May 23, 14:30 UTCMay 23, 15:00 UTC30m
2026-05-23 VTE3015 ORD → BRL May 23, 00:35 UTCMay 23, 01:05 UTC30m
2026-05-22 VTE3012 BRL → ORD May 22, 21:40 UTCMay 22, 22:10 UTC30m
2026-05-22 VTE3011 ORD → BRL May 22, 17:30 UTCMay 22, 18:00 UTC30m
2026-05-22 VTE3020 MBL → ORD May 22, 14:20 UTCMay 22, 15:00 UTC40m
2026-05-21 VTE3029 ORD → MBL May 21, 22:05 UTCMay 21, 22:35 UTC30m
2026-05-21 VTE3024 MBL → ORD May 21, 20:00 UTCMay 21, 20:55 UTC55m
2026-05-21 VTE3027 ORD → MBL May 21, 16:50 UTCMay 21, 17:15 UTC25m
2026-05-21 VTE3020 MBL → ORD May 21, 14:15 UTCMay 21, 15:15 UTC1h 0m
2026-05-20 VTE3029 ORD → MBL May 20, 22:35 UTCMay 20, 23:00 UTC25m
2026-05-20 VTE3024 MBL → ORD May 20, 20:05 UTCMay 20, 20:45 UTC40m
2026-05-20 VTE3027 ORD → MBL May 20, 16:35 UTCMay 20, 17:05 UTC30m
2026-05-20 VTE3020 MBL → ORD May 20, 14:15 UTCMay 20, 15:05 UTC50m
2026-05-20 VTE3029 ORD → MBL May 20, 01:30 UTCMay 20, 02:00 UTC30m
2026-05-19 VTE3095 OWB → ORD May 19, 23:30 UTCMay 20, 00:30 UTC1h 0m
2026-05-19 VTE3094 ORD → OWB May 19, 20:45 UTCMay 19, 21:20 UTC35m
2026-05-19 VTE3020 MBL → ORD May 19, 18:15 UTCMay 19, 19:10 UTC55m
2026-05-19 VTE3029 ORD → MBL May 19, 04:15 UTCMay 19, 04:40 UTC25m
2026-05-18 VTE8509 CLT → MQY May 18, 23:55 UTCMay 19, 01:35 UTC1h 40m
2026-05-18 VTE9509 MQY → CLT May 18, 15:10 UTCMay 18, 16:20 UTC1h 10m
2026-05-17 VTE3020 MBL → ORD May 17, 14:10 UTCMay 17, 14:55 UTC45m
2026-05-16 VTE3029 ORD → MBL May 16, 22:25 UTCMay 16, 22:55 UTC30m
2026-05-16 VTE3095 OWB → ORD May 16, 19:55 UTCMay 16, 20:45 UTC50m

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 N15509 page for operator, model, and routing details .

Mode-S A0DF3C frequently asked

What is Mode-S code A0DF3C?
A0DF3C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N15509.
Where is Mode-S A0DF3C registered?
Mode-S code A0DF3C 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 A0DF3C broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A0DF3C, octal 50157474, decimal 10,542,908.
What flights does A0DF3C operate?
Mode-S A0DF3C has broadcast 20 distinct callsigns, including VTE3020, VTE3029, VTE3024, VTE3027, VTE3937.