Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A8FA3F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N678JG · CESSNA 402 Businessliner · operated by HYANNIS AIR SERVICE INC DBA, CAPE AIR

Hex
A8FA3F
Octal
52175077
Decimal
11,074,111
Country
US
Tail
N678JG
Type
C402
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
368
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S A8FA3F.

Country allocation

The ICAO 24-bit address A8FA3F 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
KAP907 - 22 2026-07-18
KAP8380 Cape Air 22 2026-07-22
KAP763 Cape Air 21 2026-06-07
KAP548 Cape Air 17 2026-06-02
KAP7 - 15 2026-06-20
KAP203 - 12 2026-07-03
KAP95 - 11 2026-06-19
KAP916 - 10 2026-06-29
KAP418 Cape Air 10 2026-05-22
KAP616 - 9 2026-07-05
KAP27 Cape Air 9 2026-07-01
KAP212 Cape Air 9 2026-07-25
KAP109 Cape Air 8 2026-05-14
KAP902 - 7 2026-07-20
KAP516 - 7 2026-07-08
KAP42 - 7 2026-06-22
KAP818 - 6 2026-07-14
KAP78 Cape Air 6 2026-05-16
KAP70 - 6 2026-07-09
KAP5573 - 6 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KAP213 ISP → BOS Jul 26, 20:55 UTCJul 26, 21:45 UTC50m
2026-07-26 KAP214 ISP → BOS Jul 26, 19:20 UTCJul 26, 20:15 UTC55m
2026-07-26 KAP211 BOS → ISP Jul 26, 12:40 UTCJul 26, 13:35 UTC55m
2026-07-26 KAP210 ISP → BOS Jul 26, 11:10 UTCJul 26, 12:05 UTC55m
2026-07-25 KAP217 BOS → ISP Jul 25, 23:35 UTCJul 26, 00:30 UTC55m
2026-07-25 KAP3271 BOS → MVY Jul 25, 20:10 UTCJul 25, 21:35 UTC1h 25m
2026-07-25 KAP2161 PVC → BOS Jul 25, 16:20 UTCJul 25, 16:45 UTC25m
2026-07-25 KAP2131 BOS → PVC Jul 25, 14:50 UTCJul 25, 15:10 UTC20m
2026-07-25 KAP212 BHB → BOS Jul 25, 13:10 UTCJul 25, 14:10 UTC1h 0m
2026-07-25 KAP217 BOS → ISP Jul 25, 00:05 UTCJul 25, 01:00 UTC55m
2026-07-24 KAP216 ISP → BOS Jul 24, 21:55 UTCJul 24, 22:50 UTC55m
2026-07-24 KAP219 ACK → PVC Jul 24, 15:15 UTCJul 24, 16:25 UTC1h 10m
2026-07-24 KAP212 BHB → BOS Jul 24, 13:30 UTCJul 24, 14:25 UTC55m
2026-07-23 KAP213 ISP → BOS Jul 23, 20:55 UTCJul 23, 21:50 UTC55m
2026-07-23 KAP212 BHB → BOS Jul 23, 19:15 UTCJul 23, 20:15 UTC1h 0m
2026-07-23 KAP211 BOS → ISP Jul 23, 14:00 UTCJul 23, 15:00 UTC1h 0m
2026-07-23 KAP210 - Jul 23, 11:40 UTCJul 23, 12:35 UTC55m
2026-07-22 KAP211 BOS → ISP Jul 22, 17:10 UTCJul 22, 18:25 UTC1h 15m
2026-07-22 KAP8380 PVD → ISP Jul 22, 11:20 UTCJul 22, 11:55 UTC35m
2026-07-21 KAP8380 PVD → ISP Jul 21, 19:10 UTCJul 21, 20:50 UTC1h 40m
2026-07-21 KAP8380 PVD → ISP Jul 21, 16:00 UTCJul 21, 16:25 UTC25m
2026-07-21 KAP8380 PVD → ISP Jul 21, 14:40 UTCJul 21, 15:15 UTC35m
2026-07-21 KAP8380 PVD → ISP Jul 21, 13:00 UTCJul 21, 13:35 UTC35m
2026-07-20 KAP2142 PVC → BOS Jul 20, 18:00 UTCJul 20, 18:30 UTC30m
2026-07-20 KAP902 BOS → PVC Jul 20, 16:40 UTCJul 20, 17:00 UTC20m
2026-07-20 KAP902 PVC → BOS Jul 20, 15:35 UTCJul 20, 15:55 UTC20m
2026-07-18 KAP907 BOS → PVC Jul 18, 22:25 UTCJul 18, 22:45 UTC20m
2026-07-18 KAP2341 PVC → BOS Jul 18, 21:10 UTCJul 18, 21:35 UTC25m
2026-07-18 KAP907 - Jul 18, 18:55 UTCJul 18, 19:15 UTC20m
2026-07-18 KAP2141 - Jul 18, 17:00 UTCJul 18, 18:15 UTC1h 15m
2026-07-18 KAP2041 - Jul 18, 15:35 UTCJul 18, 16:10 UTC35m
2026-07-18 KAP907 - Jul 18, 14:10 UTCJul 18, 14:30 UTC20m
2026-07-18 KAP2022 PVC → BOS Jul 18, 13:00 UTCJul 18, 13:30 UTC30m
2026-07-17 KAP907 BOS → PVC Jul 17, 23:25 UTCJul 17, 23:50 UTC25m
2026-07-17 KAP3301 MVY → BOS Jul 17, 21:39 UTCJul 17, 22:05 UTC25m
2026-07-17 KAP907 BOS → MVY Jul 17, 20:20 UTCJul 17, 20:44 UTC25m
2026-07-17 KAP2061 PVC → BOS Jul 17, 18:50 UTCJul 17, 19:09 UTC20m
2026-07-17 KAP907 - Jul 17, 16:34 UTCJul 17, 16:55 UTC20m
2026-07-17 KAP2041 - Jul 17, 15:35 UTCJul 17, 15:55 UTC20m
2026-07-17 KAP907 - Jul 17, 14:00 UTCJul 17, 14:20 UTC20m
2026-07-17 KAP2021 - Jul 17, 13:00 UTCJul 17, 13:20 UTC20m
2026-07-17 KAP907 BOS → PVC Jul 17, 11:55 UTCJul 17, 12:15 UTC20m
2026-07-17 KAP2001 - Jul 17, 10:50 UTCJul 17, 11:10 UTC20m
2026-07-16 KAP907 BNH → PVC Jul 16, 18:40 UTCJul 16, 19:05 UTC25m
2026-07-16 KAP907 BOS → BOS Jul 16, 16:49 UTCJul 16, 18:00 UTC1h 10m
2026-07-16 KAP2041 - Jul 16, 15:40 UTCJul 16, 16:00 UTC20m
2026-07-16 KAP907 BOS → PVC Jul 16, 14:10 UTCJul 16, 14:35 UTC25m
2026-07-16 KAP907 BOS → BOS Jul 16, 12:00 UTCJul 16, 13:05 UTC1h 5m
2026-07-16 KAP2001 - Jul 16, 10:50 UTCJul 16, 11:05 UTC15m
2026-07-15 KAP907 BOS → PVC Jul 15, 19:05 UTCJul 15, 19:25 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.

Prefer a tail-number view? See the N678JG page for operator, model, and routing details .

Mode-S A8FA3F frequently asked

What is Mode-S code A8FA3F?
A8FA3F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N678JG.
Where is Mode-S A8FA3F registered?
Mode-S code A8FA3F 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 A8FA3F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8FA3F, octal 52175077, decimal 11,074,111.
What flights does A8FA3F operate?
Mode-S A8FA3F has broadcast 20 distinct callsigns, including KAP907, KAP8380, KAP763, KAP548, KAP7.