Apparatus

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sensors Mode-S transponder

407D84

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-LMRY · ATR-72-500

Hex
407D84
Octal
20076604
Decimal
4,226,436
Country
GB
Tail
G-LMRY
Type
AT75
No current signal · last broadcast 14h ago
Flights observed
78
Distinct callsigns
4
Country
GB
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 407D84.

Country allocation

The ICAO 24-bit address 407D84 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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 4 distinct

Callsign Airline Flights Last seen
LOG98NM Loganair 38 2026-05-29
LOG27PR Loganair 38 2026-05-28
LOG88NM - 1 2026-04-14
LOG29PR - 1 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 LOG98NM SYY → GLA May 29, 15:40 UTCMay 29, 16:15 UTC35m
2026-05-29 LOG29PR - May 29, 05:55 UTCMay 29, 06:30 UTC35m
2026-05-28 LOG98NM SYY → GLA May 28, 15:25 UTCMay 28, 16:05 UTC40m
2026-05-28 LOG27PR SYY → BEB May 28, 05:45 UTCMay 28, 06:15 UTC30m
2026-05-27 LOG98NM SYY → GLA May 27, 15:30 UTCMay 27, 16:05 UTC35m
2026-05-27 LOG27PR SYY → BEB May 27, 05:45 UTCMay 27, 06:15 UTC30m
2026-05-26 LOG98NM SYY → GLA May 26, 16:45 UTCMay 26, 17:09 UTC25m
2026-05-26 LOG27PR SYY → BEB May 26, 05:34 UTCMay 26, 06:04 UTC30m
2026-05-23 LOG98NM SYY → GLA May 23, 14:00 UTCMay 23, 14:30 UTC30m
2026-05-23 LOG27PR SYY → BEB May 23, 05:55 UTCMay 23, 06:25 UTC30m
2026-05-22 LOG98NM SYY → GLA May 22, 15:15 UTCMay 22, 15:45 UTC30m
2026-05-22 LOG27PR SYY → BEB May 22, 05:30 UTCMay 22, 05:55 UTC25m
2026-05-21 LOG98NM SYY → GLA May 21, 16:01 UTCMay 21, 16:20 UTC20m
2026-05-21 LOG27PR SYY → BEB May 21, 05:50 UTCMay 21, 06:05 UTC15m
2026-05-20 LOG98NM SYY → GLA May 20, 15:30 UTCMay 20, 15:45 UTC15m
2026-05-20 LOG27PR SYY → BEB May 20, 05:45 UTCMay 20, 06:05 UTC20m
2026-05-19 LOG98NM SYY → GLA May 19, 15:20 UTCMay 19, 16:15 UTC55m
2026-05-19 LOG27PR SYY → BEB May 19, 05:55 UTCMay 19, 06:20 UTC25m
2026-05-18 LOG98NM SYY → GLA May 18, 16:15 UTCMay 18, 16:45 UTC30m
2026-05-18 LOG27PR SYY → BEB May 18, 05:45 UTCMay 18, 06:10 UTC25m
2026-05-16 LOG98NM SYY → GLA May 16, 13:55 UTCMay 16, 14:25 UTC30m
2026-05-16 LOG27PR SYY → BEB May 16, 05:46 UTCMay 16, 06:16 UTC30m
2026-05-15 LOG98NM SYY → GLA May 15, 15:45 UTCMay 15, 16:20 UTC35m
2026-05-15 LOG27PR SYY → BEB May 15, 05:40 UTCMay 15, 06:10 UTC30m
2026-05-14 LOG98NM SYY → GLA May 14, 15:30 UTCMay 14, 16:00 UTC30m
2026-05-14 LOG27PR SYY → BEB May 14, 05:45 UTCMay 14, 06:15 UTC30m
2026-05-13 LOG98NM SYY → GLA May 13, 15:15 UTCMay 13, 15:45 UTC30m
2026-05-13 LOG27PR SYY → BEB May 13, 05:40 UTCMay 13, 06:10 UTC30m
2026-05-12 LOG98NM SYY → GLA May 12, 15:25 UTCMay 12, 15:55 UTC30m
2026-05-12 LOG27PR SYY → BEB May 12, 05:45 UTCMay 12, 06:20 UTC35m
2026-05-11 LOG98NM SYY → GLA May 11, 15:45 UTCMay 11, 16:15 UTC30m
2026-05-11 LOG27PR SYY → BEB May 11, 07:25 UTCMay 11, 07:55 UTC30m
2026-05-09 LOG98NM SYY → GLA May 9, 14:05 UTCMay 9, 14:40 UTC35m
2026-05-09 LOG27PR SYY → BEB May 9, 05:45 UTCMay 9, 06:15 UTC30m
2026-05-08 LOG98NM SYY → GLA May 8, 15:40 UTCMay 8, 16:15 UTC35m
2026-05-08 LOG27PR SYY → BEB May 8, 05:49 UTCMay 8, 06:20 UTC30m
2026-05-07 LOG98NM SYY → GLA May 7, 15:30 UTCMay 7, 16:10 UTC40m
2026-05-07 LOG27PR SYY → BEB May 7, 05:45 UTCMay 7, 06:15 UTC30m
2026-05-06 LOG98NM SYY → GLA May 6, 15:20 UTCMay 6, 15:55 UTC35m
2026-05-06 LOG27PR SYY → BEB May 6, 06:15 UTCMay 6, 06:45 UTC30m
2026-05-05 LOG98NM SYY → GLA May 5, 15:30 UTCMay 5, 16:00 UTC30m
2026-05-05 LOG27PR SYY → BEB May 5, 05:35 UTCMay 5, 06:10 UTC35m
2026-05-02 LOG98NM SYY → GLA May 2, 13:45 UTCMay 2, 14:15 UTC30m
2026-05-02 LOG27PR SYY → BEB May 2, 05:40 UTCMay 2, 06:10 UTC30m
2026-05-01 LOG98NM SYY → GLA May 1, 15:15 UTCMay 1, 15:50 UTC35m
2026-05-01 LOG27PR SYY → BEB May 1, 05:35 UTCMay 1, 06:05 UTC30m
2026-04-30 LOG98NM SYY → GLA Apr 30, 15:20 UTCApr 30, 15:55 UTC35m
2026-04-30 LOG27PR SYY → BEB Apr 30, 07:05 UTCApr 30, 07:30 UTC25m
2026-04-29 LOG98NM SYY → GLA Apr 29, 15:50 UTCApr 29, 16:25 UTC35m
2026-04-29 LOG27PR SYY → BEB Apr 29, 08:25 UTCApr 29, 08:45 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 G-LMRY page for operator, model, and routing details .

Mode-S 407D84 frequently asked

What is Mode-S code 407D84?
407D84 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-LMRY.
Where is Mode-S 407D84 registered?
Mode-S code 407D84 is allocated to United Kingdom (GB). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 407D84 broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 407D84, octal 20076604, decimal 4,226,436.
What flights does 407D84 operate?
Mode-S 407D84 has broadcast 4 distinct callsigns, including LOG98NM, LOG27PR, LOG88NM, LOG29PR.