Apparatus

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sensors Mode-S transponder

A825F1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N624JR · CESSNA 208 Caravan · operated by PLANE5 LLC

Hex
A825F1
Octal
52022761
Decimal
11,019,761
Country
US
Tail
N624JR
Type
C208
No current signal · last broadcast 1h ago
Flights observed
117
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A825F1.

Country allocation

The ICAO 24-bit address A825F1 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
WMA413 Watermakers Air 25 2026-06-01
WMA412 Watermakers Air 19 2026-06-01
WMA27 Watermakers Air 11 2026-05-22
WMA26 Watermakers Air 11 2026-05-21
WMA5264 Watermakers Air 6 2026-05-30
WMA3215 Watermakers Air 4 2026-06-02
N624JR - 4 2026-05-14
WMA954 Watermakers Air 3 2026-05-12
WMA5263 - 3 2026-05-31
WMA3216 Watermakers Air 3 2026-06-02
WMA9948 Watermakers Air 2 2026-05-22
WMA875 Watermakers Air 2 2026-04-25
WMA516 Watermakers Air 2 2026-05-17
WMA4687 - 2 2026-04-16
WMA242 Watermakers Air 2 2026-05-11
WMA1533 Watermakers Air 2 2026-05-01
WMA9949 Watermakers Air 1 2026-05-22
WMA9684 Watermakers Air 1 2026-05-25
WMA9683 - 1 2026-05-25
WMA9219 Watermakers Air 1 2026-05-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 WMA3216 SML → FXE Jun 2, 21:15 UTCJun 2, 22:05 UTC50m
2026-06-02 WMA3215 FXE → SML Jun 2, 17:15 UTCJun 2, 17:50 UTC35m
2026-06-01 WMA413 SML → FXE Jun 1, 17:40 UTCJun 1, 18:20 UTC40m
2026-06-01 WMA412 FXE → TZN Jun 1, 14:05 UTCJun 1, 14:40 UTC35m
2026-05-31 WMA413 SML → FXE May 31, 18:30 UTCMay 31, 19:05 UTC35m
2026-05-31 WMA5263 - May 31, 14:00 UTCMay 31, 14:35 UTC35m
2026-05-30 WMA413 SML → FXE May 30, 18:40 UTCMay 30, 19:15 UTC35m
2026-05-30 WMA634 FXE → SAQ May 30, 14:55 UTCMay 30, 15:30 UTC35m
2026-05-30 WMA5264 RSD → FXE May 30, 12:15 UTCMay 30, 13:20 UTC1h 5m
2026-05-29 WMA5264 RSD → FXE May 29, 17:40 UTCMay 29, 18:25 UTC45m
2026-05-29 WMA5263 - May 29, 14:15 UTCMay 29, 14:50 UTC35m
2026-05-28 WMA413 SML → FXE May 28, 18:30 UTCMay 28, 19:10 UTC40m
2026-05-28 WMA412 FXE → TZN May 28, 14:15 UTCMay 28, 14:45 UTC30m
2026-05-25 WMA9684 TZN → FXE May 25, 21:40 UTCMay 25, 22:05 UTC25m
2026-05-25 WMA9683 - May 25, 18:20 UTCMay 25, 18:50 UTC30m
2026-05-25 WMA9219 MHH → FXE May 25, 16:45 UTCMay 25, 17:15 UTC30m
2026-05-25 WMA9218 FXE → MHH May 25, 15:10 UTCMay 25, 15:45 UTC35m
2026-05-22 WMA9949 FLL → FXE May 22, 21:05 UTCMay 22, 21:20 UTC15m
2026-05-22 WMA9948 FXE → MHH May 22, 19:25 UTCMay 22, 19:55 UTC30m
2026-05-22 WMA413 SML → FXE May 22, 18:15 UTCMay 22, 18:40 UTC25m
2026-05-22 WMA412 FXE → TZN May 22, 14:15 UTCMay 22, 14:50 UTC35m
2026-05-22 WMA27 TZN → FXE May 22, 12:10 UTCMay 22, 12:45 UTC35m
2026-05-21 WMA26 FXE → SAQ May 21, 20:00 UTCMay 21, 20:40 UTC40m
2026-05-21 WMA413 SML → FXE May 21, 17:45 UTCMay 21, 18:20 UTC35m
2026-05-21 WMA412 FXE → TZN May 21, 14:10 UTCMay 21, 14:45 UTC35m
2026-05-21 WMA27 TZN → FXE May 21, 11:45 UTCMay 21, 12:20 UTC35m
2026-05-20 WMA26 FXE → SAQ May 20, 20:05 UTCMay 20, 20:40 UTC35m
2026-05-18 WMA413 SML → FXE May 18, 18:40 UTCMay 18, 19:15 UTC35m
2026-05-18 WMA412 FXE → TZN May 18, 14:05 UTCMay 18, 14:40 UTC35m
2026-05-17 WMA635 SAQ → FXE May 17, 20:40 UTCMay 17, 21:15 UTC35m
2026-05-17 WMA516 FXE → SAQ May 17, 16:55 UTCMay 17, 17:30 UTC35m
2026-05-17 WMA2113 SAQ → FXE May 17, 14:40 UTCMay 17, 15:25 UTC45m
2026-05-17 WMA2112 FXE → SAQ May 17, 10:45 UTCMay 17, 11:15 UTC30m
2026-05-15 WMA413 SML → FXE May 15, 17:50 UTCMay 15, 18:35 UTC45m
2026-05-15 WMA412 FXE → TZN May 15, 14:20 UTCMay 15, 15:10 UTC49m
2026-05-14 N624JR - May 14, 19:40 UTCMay 14, 20:45 UTC1h 5m
2026-05-14 N624JR - May 14, 17:40 UTCMay 14, 18:50 UTC1h 10m
2026-05-14 WMA500 - May 14, 14:15 UTCMay 14, 14:45 UTC30m
2026-05-14 N624JR - May 14, 13:30 UTCMay 14, 13:45 UTC15m
2026-05-13 WMA413 SML → FXE May 13, 18:15 UTCMay 13, 18:50 UTC35m
2026-05-13 WMA412 FXE → TZN May 13, 14:15 UTCMay 13, 14:51 UTC35m
2026-05-13 N624JR - May 13, 12:00 UTCMay 13, 12:35 UTC35m
2026-05-12 WMA847 FXE → ATC May 12, 16:55 UTCMay 12, 17:25 UTC30m
2026-05-12 WMA954 SML → FXE May 12, 12:55 UTCMay 12, 13:30 UTC35m
2026-05-11 WMA242 FXE → TBI May 11, 20:45 UTCMay 11, 21:15 UTC30m
2026-05-11 WMA954 SML → FXE May 11, 19:15 UTCMay 11, 19:55 UTC40m
2026-05-11 WMA415 FXE → GHC May 11, 15:25 UTCMay 11, 15:55 UTC30m
2026-05-10 WMA413 SML → FXE May 10, 20:30 UTCMay 10, 21:04 UTC35m
2026-05-10 WMA412 FXE → TZN May 10, 14:14 UTCMay 10, 14:59 UTC45m
2026-05-09 WMA413 SML → FXE May 9, 16:50 UTCMay 9, 17:30 UTC40m

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 N624JR page for operator, model, and routing details .

Mode-S A825F1 frequently asked

What is Mode-S code A825F1?
A825F1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N624JR.
Where is Mode-S A825F1 registered?
Mode-S code A825F1 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 A825F1 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A825F1, octal 52022761, decimal 11,019,761.
What flights does A825F1 operate?
Mode-S A825F1 has broadcast 20 distinct callsigns, including WMA413, WMA412, WMA27, WMA26, WMA5264.