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sensors Mode-S transponder

ABC98B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N859HW · AIRBUS HELICOPTERS EC-130 · operated by MED-TRANS CORP

Hex
ABC98B
Octal
52744613
Decimal
11,258,251
Country
US
Tail
N859HW
Type
EC30
No current signal · last broadcast 1d ago
Flights observed
127
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S ABC98B.

Country allocation

The ICAO 24-bit address ABC98B 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
N859HW - 127 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 N859HW - Jul 12, 23:15 UTCJul 12, 23:30 UTC15m
2026-07-12 N859HW - Jul 12, 21:35 UTCJul 12, 22:25 UTC50m
2026-07-11 N859HW - Jul 11, 16:20 UTCJul 11, 17:10 UTC50m
2026-07-11 N859HW - Jul 11, 15:10 UTCJul 11, 15:30 UTC20m
2026-07-10 N859HW - Jul 10, 08:40 UTCJul 10, 09:05 UTC25m
2026-07-10 N859HW - Jul 10, 06:10 UTCJul 10, 06:35 UTC25m
2026-07-09 N859HW - Jul 9, 21:45 UTCJul 9, 22:05 UTC20m
2026-07-09 N859HW - Jul 9, 19:20 UTCJul 9, 20:05 UTC45m
2026-07-08 N859HW JBR → JBR Jul 8, 15:30 UTCJul 8, 15:35 UTC5m
2026-07-07 N859HW - Jul 7, 00:10 UTCJul 7, 00:35 UTC25m
2026-07-06 N859HW - Jul 6, 22:20 UTCJul 6, 23:25 UTC1h 5m
2026-07-05 N859HW - Jul 5, 12:50 UTCJul 5, 13:15 UTC25m
2026-07-04 N859HW - Jul 4, 13:55 UTCJul 4, 14:20 UTC25m
2026-07-04 N859HW - Jul 4, 07:50 UTCJul 4, 08:15 UTC25m
2026-07-04 N859HW - Jul 4, 06:05 UTCJul 4, 07:05 UTC1h 0m
2026-07-03 N859HW - Jul 3, 03:05 UTCJul 3, 03:30 UTC25m
2026-07-03 N859HW - Jul 3, 00:25 UTCJul 3, 01:20 UTC55m
2026-07-02 N859HW - Jul 2, 21:35 UTCJul 2, 22:00 UTC25m
2026-07-02 N859HW - Jul 2, 19:05 UTCJul 2, 20:05 UTC1h 0m
2026-07-01 N859HW - Jul 1, 20:40 UTCJul 1, 20:50 UTC10m
2026-07-01 N859HW - Jul 1, 18:45 UTCJul 1, 19:05 UTC20m
2026-07-01 N859HW - Jul 1, 15:45 UTCJul 1, 16:10 UTC25m
2026-06-30 N859HW - Jun 30, 23:50 UTCJul 1, 00:10 UTC20m
2026-06-30 N859HW - Jun 30, 22:00 UTCJun 30, 22:55 UTC55m
2026-06-30 N859HW - Jun 30, 18:10 UTCJun 30, 19:00 UTC50m
2026-06-30 N859HW - Jun 30, 17:15 UTCJun 30, 17:30 UTC15m
2026-06-30 N859HW - Jun 30, 06:15 UTCJun 30, 06:35 UTC20m
2026-06-30 N859HW - Jun 30, 05:15 UTCJun 30, 05:40 UTC25m
2026-06-29 N859HW - Jun 29, 02:30 UTCJun 29, 02:50 UTC20m
2026-06-28 N859HW - Jun 28, 23:29 UTCJun 29, 00:39 UTC1h 10m
2026-06-28 N859HW - Jun 28, 20:19 UTCJun 28, 20:39 UTC20m
2026-06-28 N859HW - Jun 28, 18:25 UTCJun 28, 18:49 UTC25m
2026-06-28 N859HW - Jun 28, 17:34 UTCJun 28, 17:55 UTC20m
2026-06-28 N859HW - Jun 28, 16:00 UTCJun 28, 16:49 UTC50m
2026-06-24 N859HW JBR → JBR Jun 24, 03:10 UTCJun 24, 03:15 UTC5m
2026-06-24 N859HW - Jun 24, 02:09 UTCJun 24, 02:34 UTC25m
2026-06-24 N859HW - Jun 24, 00:40 UTCJun 24, 01:34 UTC55m
2026-06-23 N859HW JBR → JBR Jun 23, 23:19 UTCJun 23, 23:59 UTC40m
2026-06-23 N859HW - Jun 23, 18:25 UTCJun 23, 18:45 UTC20m
2026-06-23 N859HW - Jun 23, 15:55 UTCJun 23, 16:09 UTC15m
2026-06-23 N859HW - Jun 23, 15:15 UTCJun 23, 15:24 UTC10m
2026-06-21 N859HW - Jun 21, 23:05 UTCJun 21, 23:30 UTC25m
2026-06-21 N859HW - Jun 21, 13:29 UTCJun 21, 13:54 UTC25m
2026-06-20 N859HW - Jun 20, 17:14 UTCJun 20, 17:54 UTC40m
2026-06-20 N859HW - Jun 20, 15:34 UTCJun 20, 16:05 UTC30m
2026-06-19 N859HW - Jun 19, 17:59 UTCJun 19, 18:25 UTC25m
2026-06-19 N859HW - Jun 19, 16:44 UTCJun 19, 17:09 UTC25m
2026-06-19 N859HW - Jun 19, 14:54 UTCJun 19, 15:14 UTC20m
2026-06-18 N859HW - Jun 18, 06:00 UTCJun 18, 06:25 UTC25m
2026-06-16 N859HW JBR → JBR Jun 16, 08:30 UTCJun 16, 10:15 UTC1h 45m

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 N859HW page for operator, model, and routing details .

Mode-S ABC98B frequently asked

What is Mode-S code ABC98B?
ABC98B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N859HW.
Where is Mode-S ABC98B registered?
Mode-S code ABC98B 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 ABC98B broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABC98B, octal 52744613, decimal 11,258,251.
What flights does ABC98B operate?
Mode-S ABC98B has broadcast 1 distinct callsign, including N859HW.