Apparatus

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sensors Mode-S transponder

AA9876

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N782FE · CESSNA 208 Caravan · operated by FEDERAL EXPRESS CORP

Hex
AA9876
Octal
52514166
Decimal
11,180,150
Country
US
Tail
N782FE
Type
C208
No current signal · last broadcast 15h ago
Flights observed
105
Distinct callsigns
20
Country
US
Last broadcast
15h ago

Last known position

Most recent position reported by Mode-S AA9876.

Country allocation

The ICAO 24-bit address AA9876 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
PCM7654 - 16 2026-05-26
PCM8980 - 15 2026-07-10
PCM8972 - 12 2026-07-17
PCM8654 - 12 2026-05-22
PCM8975 - 7 2026-06-17
PCM8974 - 7 2026-07-14
PCM8660 - 4 2026-05-26
PCM8671 - 3 2026-06-24
PCM7971 - 3 2026-06-16
PCM7970 - 3 2026-07-06
PCM7652 - 3 2026-06-24
N782FE - 3 2026-06-25
PCM8977 - 2 2026-04-28
PCM8973 - 2 2026-06-18
PCM8971 - 2 2026-06-04
PCM8970 - 2 2026-07-01
PCM8684 - 2 2026-07-03
PCM7684 - 2 2026-07-03
PCM8976 - 1 2026-06-11
PCM8709 - 1 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 PCM8972 - Jul 17, 16:19 UTCJul 17, 17:40 UTC1h 20m
2026-07-17 PCM8972 - Jul 17, 14:15 UTCJul 17, 15:25 UTC1h 10m
2026-07-16 PCM8972 - Jul 16, 16:09 UTCJul 16, 17:30 UTC1h 20m
2026-07-16 PCM8972 - Jul 16, 14:15 UTCJul 16, 15:25 UTC1h 10m
2026-07-15 PCM8972 SBP → ONT Jul 15, 16:20 UTCJul 15, 17:35 UTC1h 15m
2026-07-15 PCM8972 ONT → SBP Jul 15, 14:25 UTCJul 15, 15:40 UTC1h 15m
2026-07-14 PCM8974 - Jul 14, 16:50 UTCJul 14, 18:10 UTC1h 20m
2026-07-14 PCM8974 - Jul 14, 14:50 UTCJul 14, 16:05 UTC1h 15m
2026-07-10 PCM8980 - Jul 10, 14:25 UTCJul 10, 17:10 UTC2h 45m
2026-07-09 PCM8980 ONT → ONT Jul 9, 14:30 UTCJul 9, 17:10 UTC2h 40m
2026-07-08 PCM8980 - Jul 8, 14:50 UTCJul 8, 17:25 UTC2h 35m
2026-07-07 PCM8980 SBP → ONT Jul 7, 16:20 UTCJul 7, 17:25 UTC1h 5m
2026-07-07 PCM8980 - Jul 7, 14:45 UTCJul 7, 15:50 UTC1h 5m
2026-07-06 PCM7970 - Jul 6, 21:00 UTCJul 6, 21:35 UTC35m
2026-07-03 PCM8684 - Jul 3, 16:15 UTCJul 3, 16:35 UTC20m
2026-07-03 PCM8684 - Jul 3, 13:50 UTCJul 3, 14:15 UTC25m
2026-07-03 PCM7684 - Jul 3, 00:40 UTCJul 3, 01:00 UTC20m
2026-07-02 PCM7684 - Jul 2, 22:05 UTCJul 2, 22:45 UTC40m
2026-07-02 PCM8972 - Jul 2, 16:50 UTCJul 2, 18:10 UTC1h 20m
2026-07-02 PCM8972 - Jul 2, 15:00 UTCJul 2, 16:10 UTC1h 10m
2026-07-01 PCM8980 - Jul 1, 16:40 UTCJul 1, 17:55 UTC1h 15m
2026-07-01 PCM8980 ONT → SBP Jul 1, 14:35 UTCJul 1, 15:50 UTC1h 15m
2026-07-01 PCM8970 SBA → ONT Jul 1, 00:35 UTCJul 1, 01:30 UTC55m
2026-06-30 PCM8970 - Jun 30, 14:10 UTCJun 30, 14:55 UTC45m
2026-06-30 PCM7970 SBA → ONT Jun 30, 00:09 UTCJun 30, 01:04 UTC55m
2026-06-29 PCM7970 - Jun 29, 22:00 UTCJun 29, 22:44 UTC45m
2026-06-25 PCM7653 BFL → ONT Jun 25, 23:59 UTCJun 26, 00:55 UTC55m
2026-06-25 N782FE - Jun 25, 17:14 UTCJun 25, 17:30 UTC15m
2026-06-25 PCM8709 - Jun 25, 13:35 UTCJun 25, 14:29 UTC55m
2026-06-24 PCM7703 - Jun 24, 23:59 UTCJun 25, 00:35 UTC35m
2026-06-24 N782FE BFL → VIS Jun 24, 15:00 UTCJun 24, 15:24 UTC25m
2026-06-24 PCM8671 - Jun 24, 13:34 UTCJun 24, 14:24 UTC50m
2026-06-24 PCM8671 ONT → BFL Jun 24, 13:25 UTCJun 24, 14:18 UTC53m
2026-06-24 PCM7652 BFL → ONT Jun 24, 00:25 UTCJun 24, 01:24 UTC1h 0m
2026-06-23 PCM8662 - Jun 23, 14:39 UTCJun 23, 15:19 UTC40m
2026-06-23 PCM7652 - Jun 23, 00:35 UTCJun 23, 01:35 UTC1h 0m
2026-06-20 PCM8671 - Jun 20, 14:05 UTCJun 20, 14:59 UTC55m
2026-06-19 PCM8974 - Jun 19, 16:34 UTCJun 19, 17:55 UTC1h 20m
2026-06-19 PCM8974 - Jun 19, 14:19 UTCJun 19, 15:34 UTC1h 15m
2026-06-18 PCM8973 - Jun 18, 16:55 UTCJun 18, 18:20 UTC1h 25m
2026-06-18 PCM8973 ONT → SBP Jun 18, 14:40 UTCJun 18, 15:55 UTC1h 15m
2026-06-17 PCM8975 - Jun 17, 16:45 UTCJun 17, 17:55 UTC1h 10m
2026-06-17 PCM8975 - Jun 17, 14:20 UTCJun 17, 15:40 UTC1h 20m
2026-06-16 PCM7971 SBA → ONT Jun 16, 23:35 UTCJun 17, 00:30 UTC55m
2026-06-16 PCM8975 - Jun 16, 14:39 UTCJun 16, 15:40 UTC1h 0m
2026-06-16 PCM7971 SBA → ONT Jun 16, 00:00 UTCJun 16, 00:50 UTC50m
2026-06-15 PCM7971 - Jun 15, 22:10 UTCJun 15, 22:54 UTC45m
2026-06-11 PCM8976 - Jun 11, 14:25 UTCJun 11, 17:00 UTC2h 35m
2026-06-10 PCM8974 - Jun 10, 14:35 UTCJun 10, 17:05 UTC2h 30m
2026-06-09 PCM8972 - Jun 9, 16:45 UTCJun 9, 18:15 UTC1h 30m

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 N782FE page for operator, model, and routing details .

Mode-S AA9876 frequently asked

What is Mode-S code AA9876?
AA9876 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N782FE.
Where is Mode-S AA9876 registered?
Mode-S code AA9876 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 AA9876 broadcasting right now?
No active broadcast right now. Last signal was 15h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA9876, octal 52514166, decimal 11,180,150.
What flights does AA9876 operate?
Mode-S AA9876 has broadcast 20 distinct callsigns, including PCM7654, PCM8980, PCM8972, PCM8654, PCM8975.