Apparatus

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sensors Mode-S transponder

AB098A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N810BW · CESSNA 402 Businessliner · operated by HYANNIS AIR SERVICE INC

Hex
AB098A
Octal
52604612
Decimal
11,209,098
Country
US
Tail
N810BW
Type
C402
No current signal · last broadcast Jul 26, 22:10 UTC
Flights observed
237
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:10 UTC

Last known position

Most recent position reported by Mode-S AB098A.

Country allocation

The ICAO 24-bit address AB098A 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
KAP111 Cape Air 16 2026-06-22
KAP241 Cape Air 15 2026-06-18
KAP54 - 14 2026-06-25
KAP413 Cape Air 13 2026-07-26
KAP328 - 10 2026-07-12
KAP27 Cape Air 10 2026-04-25
KAP131 Cape Air 10 2026-04-19
KAP627 - 9 2026-07-16
KAP394 - 9 2026-07-15
KAP15 - 8 2026-07-20
KAP42 - 7 2026-07-09
KAP1271 - 6 2026-07-13
KAP110 Cape Air 6 2026-05-28
KAP925 - 5 2026-07-19
KAP5573 - 5 2026-07-20
KAP186 Cape Air 5 2026-05-16
KAP202 Cape Air 4 2026-05-19
KAP161 Cape Air 4 2026-05-03
KAP11 Cape Air 4 2026-05-07
KAP1022 - 4 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KAP413 BOS → RKD Jul 26, 21:50 UTCJul 26, 22:10 UTC20m
2026-07-26 KAP2341 PVC → BOS Jul 26, 20:25 UTCJul 26, 20:50 UTC25m
2026-07-26 KAP413 BOS → RKD Jul 26, 19:05 UTCJul 26, 19:25 UTC20m
2026-07-26 KAP413 BOS → RKD Jul 26, 17:40 UTCJul 26, 18:05 UTC25m
2026-07-26 KAP413 BOS → RKD Jul 26, 15:35 UTCJul 26, 15:50 UTC15m
2026-07-26 KAP2121 PVC → BOS Jul 26, 14:10 UTCJul 26, 14:40 UTC30m
2026-07-26 KAP413 BOS → RKD Jul 26, 13:10 UTCJul 26, 13:25 UTC15m
2026-07-26 KAP2101 PVC → BOS Jul 26, 12:10 UTCJul 26, 12:30 UTC20m
2026-07-25 KAP413 BOS → RKD Jul 25, 23:45 UTCJul 26, 00:05 UTC20m
2026-07-25 KAP413 BOS → RKD Jul 25, 22:00 UTCJul 25, 22:55 UTC55m
2026-07-25 KAP413 BOS → RKD Jul 25, 20:25 UTCJul 25, 20:50 UTC25m
2026-07-25 KAP413 BOS → RKD Jul 25, 18:45 UTCJul 25, 19:05 UTC20m
2026-07-25 KAP413 BOS → RKD Jul 25, 17:40 UTCJul 25, 18:05 UTC25m
2026-07-25 KAP413 BOS → RKD Jul 25, 14:45 UTCJul 25, 15:05 UTC20m
2026-07-25 KAP413 BOS → RKD Jul 25, 13:10 UTCJul 25, 13:35 UTC25m
2026-07-25 KAP413 BOS → RKD Jul 25, 01:30 UTCJul 25, 01:55 UTC25m
2026-07-24 KAP6175 HYA → BOS Jul 24, 22:40 UTCJul 24, 23:05 UTC25m
2026-07-21 KAPT616 - Jul 21, 17:45 UTCJul 21, 19:15 UTC1h 30m
2026-07-21 KAPT58 - Jul 21, 01:25 UTCJul 21, 02:15 UTC50m
2026-07-20 KAP15 - Jul 20, 18:05 UTCJul 20, 18:25 UTC20m
2026-07-20 KAP15 - Jul 20, 15:20 UTCJul 20, 15:55 UTC35m
2026-07-20 KAP15 - Jul 20, 14:00 UTCJul 20, 14:30 UTC30m
2026-07-20 KAP5002 - Jul 20, 11:15 UTCJul 20, 11:55 UTC40m
2026-07-20 KAP5573 - Jul 20, 09:05 UTCJul 20, 09:15 UTC10m
2026-07-20 KAP635 STT → SJU Jul 20, 01:35 UTCJul 20, 02:40 UTC1h 5m
2026-07-19 KAP5201 ACK → BOS Jul 19, 20:15 UTCJul 19, 20:55 UTC40m
2026-07-19 KAP925 - Jul 19, 19:00 UTCJul 19, 19:10 UTC10m
2026-07-19 KAP925 - Jul 19, 17:05 UTCJul 19, 17:30 UTC25m
2026-07-19 KAP1002 - Jul 19, 15:35 UTCJul 19, 16:20 UTC45m
2026-07-19 KAP925 - Jul 19, 13:35 UTCJul 19, 14:30 UTC55m
2026-07-18 KAP2342 - Jul 18, 21:15 UTCJul 18, 21:40 UTC25m
2026-07-18 KAP235 BOS → PVC Jul 18, 19:00 UTCJul 18, 19:15 UTC15m
2026-07-18 KAP5182 ACK → BOS Jul 18, 17:30 UTCJul 18, 18:20 UTC50m
2026-07-16 KAP627 - Jul 16, 22:00 UTCJul 16, 22:30 UTC30m
2026-07-16 KAP627 - Jul 16, 20:29 UTCJul 16, 21:00 UTC30m
2026-07-16 KAP627 - Jul 16, 19:25 UTCJul 16, 19:55 UTC30m
2026-07-16 KAP627 - Jul 16, 17:00 UTCJul 16, 17:30 UTC30m
2026-07-15 KAP394 - Jul 15, 01:20 UTCJul 15, 02:10 UTC50m
2026-07-14 KAP394 BOS → BOS Jul 14, 23:10 UTCJul 15, 00:25 UTC1h 15m
2026-07-14 KAP394 - Jul 14, 21:15 UTCJul 14, 22:05 UTC50m
2026-07-14 KAP394 - Jul 14, 19:35 UTCJul 14, 20:00 UTC25m
2026-07-14 KAP394 HYA → BOS Jul 14, 18:15 UTCJul 14, 18:50 UTC35m
2026-07-14 KAPT58 - Jul 14, 00:05 UTCJul 14, 01:15 UTC1h 10m
2026-07-13 KAPT616 - Jul 13, 20:15 UTCJul 13, 21:25 UTC1h 10m
2026-07-13 KAPT616 - Jul 13, 15:40 UTCJul 13, 17:20 UTC1h 40m
2026-07-13 KAP1271 - Jul 13, 01:10 UTCJul 13, 01:55 UTC45m
2026-07-13 KAP1271 - Jul 13, 00:05 UTCJul 13, 00:30 UTC25m
2026-07-12 KAP1271 - Jul 12, 22:40 UTCJul 12, 23:05 UTC25m
2026-07-12 KAP1271 - Jul 12, 21:00 UTCJul 12, 21:25 UTC25m
2026-07-12 KAP1271 - Jul 12, 19:15 UTCJul 12, 19:45 UTC30m

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 N810BW page for operator, model, and routing details .

Mode-S AB098A frequently asked

What is Mode-S code AB098A?
AB098A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N810BW.
Where is Mode-S AB098A registered?
Mode-S code AB098A 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 AB098A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB098A, octal 52604612, decimal 11,209,098.
What flights does AB098A operate?
Mode-S AB098A has broadcast 20 distinct callsigns, including KAP111, KAP241, KAP54, KAP413, KAP328.