Apparatus

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sensors Mode-S transponder

A86299

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N63978 · BEECH 99 Airliner · operated by UAS TRANSERVICES INC

Hex
A86299
Octal
52061231
Decimal
11,035,289
Country
US
Tail
N63978
Type
BE99
No current signal · last broadcast Jul 25, 13:35 UTC
Flights observed
120
Distinct callsigns
18
Country
US
Last broadcast
Jul 25, 13:35 UTC

Last known position

Most recent position reported by Mode-S A86299.

Country allocation

The ICAO 24-bit address A86299 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 18 distinct

Callsign Airline Flights Last seen
AMF1589 - 26 2026-07-23
AMF1546 - 18 2026-07-17
AMF1590 - 17 2026-07-24
AMF1545 - 14 2026-07-17
AMF6601 - 9 2026-06-10
AMF6602 - 8 2026-06-10
AMF1560 - 6 2026-07-25
AMF1559 - 4 2026-07-25
AMF1558 - 4 2026-07-02
AMF1557 - 4 2026-07-02
AMF1548 - 2 2026-06-10
AMF1531 - 2 2026-06-08
AMF4171 - 1 2026-06-04
AMF2217 - 1 2026-06-10
AMF2135 - 1 2026-06-09
AMF1562 - 1 2026-07-15
AMF1561 - 1 2026-07-15
AMF1532 - 1 2026-06-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 AMF1560 - Jul 25, 13:25 UTCJul 25, 13:35 UTC10m
2026-07-25 AMF1560 - Jul 25, 12:15 UTCJul 25, 12:40 UTC25m
2026-07-25 AMF1559 - Jul 25, 00:10 UTCJul 25, 00:45 UTC35m
2026-07-24 AMF1560 - Jul 24, 22:10 UTCJul 24, 22:20 UTC10m
2026-07-24 AMF1590 - Jul 24, 13:15 UTCJul 24, 13:55 UTC40m
2026-07-23 AMF1589 - Jul 23, 23:25 UTCJul 24, 00:00 UTC35m
2026-07-23 AMF1589 - Jul 23, 22:40 UTCJul 23, 22:50 UTC10m
2026-07-23 AMF1590 - Jul 23, 11:30 UTCJul 23, 12:10 UTC40m
2026-07-22 AMF1589 - Jul 22, 23:15 UTCJul 22, 23:55 UTC40m
2026-07-22 AMF1589 - Jul 22, 22:30 UTCJul 22, 22:40 UTC10m
2026-07-22 AMF1590 - Jul 22, 13:15 UTCJul 22, 13:50 UTC35m
2026-07-21 AMF1589 - Jul 21, 23:20 UTCJul 22, 00:00 UTC40m
2026-07-21 AMF1590 - Jul 21, 11:30 UTCJul 21, 12:10 UTC40m
2026-07-17 AMF1545 BGR → MHT Jul 17, 23:39 UTCJul 18, 00:29 UTC50m
2026-07-17 AMF1546 - Jul 17, 22:25 UTCJul 17, 23:00 UTC35m
2026-07-16 AMF1546 - Jul 16, 11:30 UTCJul 16, 12:55 UTC1h 25m
2026-07-15 AMF1561 - Jul 15, 23:00 UTCJul 15, 23:25 UTC25m
2026-07-15 AMF1562 - Jul 15, 11:35 UTCJul 15, 12:10 UTC35m
2026-07-10 AMF1545 - Jul 10, 23:30 UTCJul 11, 00:30 UTC1h 0m
2026-07-10 AMF1546 - Jul 10, 22:20 UTCJul 10, 23:00 UTC40m
2026-07-10 AMF1546 - Jul 10, 12:15 UTCJul 10, 13:30 UTC1h 15m
2026-07-09 AMF1545 - Jul 9, 22:15 UTCJul 9, 23:40 UTC1h 25m
2026-07-09 AMF1546 - Jul 9, 11:30 UTCJul 9, 12:50 UTC1h 20m
2026-07-08 AMF1545 - Jul 8, 22:15 UTCJul 8, 23:35 UTC1h 20m
2026-07-08 AMF1546 - Jul 8, 11:45 UTCJul 8, 13:10 UTC1h 25m
2026-07-07 AMF1545 - Jul 7, 22:20 UTCJul 7, 23:50 UTC1h 30m
2026-07-07 AMF1546 - Jul 7, 11:40 UTCJul 7, 13:00 UTC1h 20m
2026-07-06 AMF1545 - Jul 6, 22:20 UTCJul 6, 23:40 UTC1h 20m
2026-07-06 AMF1546 - Jul 6, 11:35 UTCJul 6, 12:55 UTC1h 20m
2026-07-03 AMF1545 - Jul 3, 23:30 UTCJul 4, 00:20 UTC50m
2026-07-03 AMF1546 - Jul 3, 22:30 UTCJul 3, 23:10 UTC40m
2026-07-03 AMF1546 - Jul 3, 11:20 UTCJul 3, 12:40 UTC1h 20m
2026-07-02 AMF1557 - Jul 2, 23:15 UTCJul 2, 23:40 UTC25m
2026-07-02 AMF1558 - Jul 2, 11:40 UTCJul 2, 12:15 UTC35m
2026-07-01 AMF1557 - Jul 1, 23:15 UTCJul 1, 23:40 UTC25m
2026-07-01 AMF1558 - Jul 1, 11:50 UTCJul 1, 12:15 UTC25m
2026-06-30 AMF1557 - Jun 30, 23:10 UTCJun 30, 23:35 UTC25m
2026-06-30 AMF1558 - Jun 30, 12:05 UTCJun 30, 12:35 UTC30m
2026-06-29 AMF1557 - Jun 29, 23:09 UTCJun 29, 23:39 UTC30m
2026-06-26 AMF1558 - Jun 26, 11:49 UTCJun 26, 12:14 UTC25m
2026-06-10 AMF6602 - Jun 10, 22:35 UTCJun 10, 23:10 UTC35m
2026-06-10 AMF6602 - Jun 10, 21:50 UTCJun 10, 22:05 UTC15m
2026-06-10 AMF6601 - Jun 10, 15:25 UTCJun 10, 16:30 UTC1h 5m
2026-06-10 AMF2217 - Jun 10, 13:10 UTCJun 10, 13:25 UTC15m
2026-06-10 AMF1548 - Jun 10, 11:50 UTCJun 10, 12:05 UTC15m
2026-06-09 AMF6602 - Jun 9, 22:10 UTCJun 9, 22:40 UTC30m
2026-06-09 AMF6601 - Jun 9, 16:50 UTCJun 9, 17:05 UTC15m
2026-06-09 AMF6601 - Jun 9, 15:10 UTCJun 9, 15:45 UTC35m
2026-06-09 AMF2135 - Jun 9, 12:40 UTCJun 9, 12:55 UTC15m
2026-06-09 AMF1548 - Jun 9, 11:40 UTCJun 9, 11:55 UTC15m

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 N63978 page for operator, model, and routing details .

Mode-S A86299 frequently asked

What is Mode-S code A86299?
A86299 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N63978.
Where is Mode-S A86299 registered?
Mode-S code A86299 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 A86299 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 13:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A86299, octal 52061231, decimal 11,035,289.
What flights does A86299 operate?
Mode-S A86299 has broadcast 18 distinct callsigns, including AMF1589, AMF1546, AMF1590, AMF1545, AMF6601.