Apparatus

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sensors Mode-S transponder

ABF807

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N870TH · operated by AEROSTAR

Hex
ABF807
Octal
52774007
Decimal
11,270,151
Country
US
Tail
N870TH
Broadcasting now · callsign HBAL790 · 61,800 ft
Flights observed
23
Distinct callsigns
1
Country
US
Last broadcast
1h ago

Current position

ABF807 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address ABF807 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 1 distinct

Callsign Airline Flights Last seen
HBAL790 - 23 2026-06-16

Recent flights last 23

DateFlightRouteTakeoffLandingDuration
2026-06-16 HBAL790 - Jun 16, 23:50 UTCJun 17, 23:45 UTC23h 55m
2026-06-16 HBAL790 - Jun 16, 21:50 UTCJun 17, 21:45 UTC23h 55m
2026-06-16 HBAL790 - Jun 16, 19:50 UTCJun 17, 19:45 UTC23h 55m
2026-06-16 HBAL790 - Jun 16, 17:49 UTCJun 17, 17:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 15:50 UTCJun 17, 15:05 UTC23h 16m
2026-06-16 HBAL790 - Jun 16, 13:50 UTCJun 17, 13:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 11:49 UTCJun 17, 11:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 09:50 UTCJun 17, 09:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 07:50 UTCJun 17, 07:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 05:50 UTCJun 17, 05:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 03:50 UTCJun 17, 03:45 UTC23h 56m
2026-06-16 HBAL790 - Jun 16, 01:50 UTCJun 17, 01:45 UTC23h 56m
2026-06-15 HBAL790 - Jun 15, 23:50 UTCJun 16, 23:45 UTC23h 56m
2026-06-15 HBAL790 - Jun 15, 21:50 UTCJun 16, 21:45 UTC23h 56m
2026-06-15 HBAL790 - Jun 15, 19:50 UTCJun 16, 19:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 17:50 UTCJun 16, 17:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 15:50 UTCJun 16, 15:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 13:50 UTCJun 16, 13:44 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 11:49 UTCJun 16, 11:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 09:49 UTCJun 16, 09:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 07:50 UTCJun 16, 07:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 05:50 UTCJun 16, 05:45 UTC23h 55m
2026-06-15 HBAL790 - Jun 15, 03:55 UTCJun 16, 03:45 UTC23h 50m

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 N870TH page for operator, model, and routing details .

Mode-S ABF807 frequently asked

What is Mode-S code ABF807?
ABF807 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N870TH.
Where is Mode-S ABF807 registered?
Mode-S code ABF807 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 ABF807 broadcasting right now?
Yes. Mode-S ABF807 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABF807, octal 52774007, decimal 11,270,151.
What flights does ABF807 operate?
Mode-S ABF807 has broadcast 1 distinct callsign, including HBAL790.