Apparatus

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sensors Mode-S transponder

800D18

ICAO 24-bit transponder address · allocated to India

Currently assigned to VT-SQD · DE HAVILLAND DHC-8-400 Dash 8

Hex
800D18
Octal
40006430
Decimal
8,391,960
Country
IN
Tail
VT-SQD
Type
DH8D
No current signal · last broadcast Jun 6, 06:55 UTC
Flights observed
155
Distinct callsigns
20
Country
IN
Last broadcast
Jun 6, 06:55 UTC

Last known position

Most recent position reported by Mode-S 800D18.

Country allocation

The ICAO 24-bit address 800D18 falls within the block assigned to India (IN) by ICAO Annex 10, Volume III. Every aircraft registered in India 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
SEJ2704 Spicejet 44 2026-06-01
SEJ2710 Spicejet 43 2026-06-01
SEJ2711 Spicejet 36 2026-06-01
SEJ2703 Spicejet 9 2026-06-01
SEJ2446 Spicejet 3 2026-06-05
SEJ2445 Spicejet 3 2026-06-05
SEJ1080 - 2 2026-04-18
SEJ9990 - 1 2026-04-15
SEJ9710 - 1 2026-06-02
SEJ9623 - 1 2026-06-03
SEJ9622 - 1 2026-06-03
SEJ9442 - 1 2026-06-05
SEJ9441 Spicejet 1 2026-06-05
SEJ2951 Spicejet 1 2026-06-06
SEJ2950 Spicejet 1 2026-06-06
SEJ2478 Spicejet 1 2026-06-02
SEJ2473 - 1 2026-06-02
SEJ2451 Spicejet 1 2026-06-02
SEJ2450 Spicejet 1 2026-06-02
SEJ2442 Spicejet 1 2026-06-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-06 SEJ2951 DEL → DHM Jun 6, 06:35 UTCJun 6, 06:55 UTC20m
2026-06-06 SEJ2950 DEL → DHM Jun 6, 04:30 UTCJun 6, 04:45 UTC15m
2026-06-05 SEJ9442 - Jun 5, 11:20 UTCJun 5, 12:55 UTC1h 35m
2026-06-05 SEJ9441 DEL → HYD Jun 5, 07:50 UTCJun 5, 09:20 UTC1h 30m
2026-06-05 SEJ2446 DHM → DEL Jun 5, 06:20 UTCJun 5, 06:35 UTC15m
2026-06-05 SEJ2445 DEL → DHM Jun 5, 03:35 UTCJun 5, 03:50 UTC15m
2026-06-03 SEJ9623 - Jun 3, 17:30 UTCJun 3, 19:00 UTC1h 30m
2026-06-03 SEJ9622 - Jun 3, 13:05 UTCJun 3, 14:20 UTC1h 15m
2026-06-03 SEJ2442 SHL → DEL Jun 3, 09:50 UTCJun 3, 10:15 UTC25m
2026-06-03 SEJ2441 DEL → SHL Jun 3, 07:30 UTCJun 3, 08:00 UTC30m
2026-06-03 SEJ2446 DHM → DEL Jun 3, 04:55 UTCJun 3, 05:35 UTC40m
2026-06-03 SEJ2445 DEL → DHM Jun 3, 02:20 UTCJun 3, 02:55 UTC35m
2026-06-02 SEJ2478 PAT → DEL Jun 2, 18:25 UTCJun 2, 20:15 UTC1h 50m
2026-06-02 SEJ2473 - Jun 2, 15:50 UTCJun 2, 17:35 UTC1h 45m
2026-06-02 SEJ2451 DHM → DEL Jun 2, 13:15 UTCJun 2, 13:50 UTC35m
2026-06-02 SEJ2450 DEL → DHM Jun 2, 10:55 UTCJun 2, 11:30 UTC35m
2026-06-02 SEJ2446 DHM → DEL Jun 2, 09:25 UTCJun 2, 10:10 UTC45m
2026-06-02 SEJ2445 DEL → DHM Jun 2, 06:55 UTCJun 2, 07:45 UTC50m
2026-06-02 SEJ9710 - Jun 2, 04:15 UTCJun 2, 05:20 UTC1h 5m
2026-06-01 SEJ2704 RQY → MAA Jun 1, 12:45 UTCJun 1, 13:35 UTC50m
2026-06-01 SEJ2703 HYD → RQY Jun 1, 11:30 UTCJun 1, 11:40 UTC10m
2026-06-01 SEJ2711 RQY → HYD Jun 1, 08:10 UTCJun 1, 08:20 UTC10m
2026-06-01 SEJ2710 MAA → RQY Jun 1, 06:15 UTCJun 1, 07:05 UTC50m
2026-05-31 SEJ2704 RQY → MAA May 31, 13:20 UTCMay 31, 14:00 UTC40m
2026-05-30 SEJ2704 RQY → MAA May 30, 11:50 UTCMay 30, 12:25 UTC35m
2026-05-30 SEJ2703 HYD → RQY May 30, 10:30 UTCMay 30, 10:40 UTC10m
2026-05-30 SEJ2711 RQY → HYD May 30, 07:30 UTCMay 30, 07:40 UTC10m
2026-05-30 SEJ2710 MAA → RQY May 30, 06:00 UTCMay 30, 06:35 UTC35m
2026-05-29 SEJ2704 RQY → MAA May 29, 12:45 UTCMay 29, 13:20 UTC35m
2026-05-29 SEJ2703 HYD → RQY May 29, 11:15 UTCMay 29, 11:45 UTC30m
2026-05-29 SEJ2711 RQY → HYD May 29, 07:20 UTCMay 29, 07:30 UTC10m
2026-05-29 SEJ2710 MAA → RQY May 29, 05:45 UTCMay 29, 06:20 UTC35m
2026-05-28 SEJ2704 RQY → MAA May 28, 11:20 UTCMay 28, 12:00 UTC40m
2026-05-28 SEJ2711 RQY → HYD May 28, 07:10 UTCMay 28, 07:20 UTC10m
2026-05-28 SEJ2710 MAA → RQY May 28, 05:40 UTCMay 28, 06:15 UTC35m
2026-05-27 SEJ2704 RQY → MAA May 27, 12:20 UTCMay 27, 12:55 UTC35m
2026-05-27 SEJ2711 RQY → HYD May 27, 07:15 UTCMay 27, 07:25 UTC10m
2026-05-27 SEJ2710 MAA → RQY May 27, 05:45 UTCMay 27, 06:20 UTC35m
2026-05-26 SEJ2711 RQY → HYD May 26, 07:34 UTCMay 26, 07:45 UTC10m
2026-05-26 SEJ2710 MAA → RQY May 26, 06:04 UTCMay 26, 06:39 UTC35m
2026-05-25 SEJ2704 RQY → MAA May 25, 13:05 UTCMay 25, 13:50 UTC45m
2026-05-25 SEJ2711 RQY → HYD May 25, 07:20 UTCMay 25, 07:30 UTC10m
2026-05-25 - - May 25, 05:45 UTCMay 25, 06:20 UTC35m
2026-05-24 SEJ2704 RQY → MAA May 24, 11:25 UTCMay 24, 12:10 UTC45m
2026-05-24 SEJ2711 RQY → HYD May 24, 07:20 UTCMay 24, 07:30 UTC10m
2026-05-24 SEJ2710 MAA → RQY May 24, 05:40 UTCMay 24, 06:20 UTC40m
2026-05-23 SEJ2704 RQY → MAA May 23, 11:35 UTCMay 23, 12:10 UTC35m
2026-05-23 SEJ2711 RQY → HYD May 23, 07:40 UTCMay 23, 07:50 UTC10m
2026-05-23 SEJ2710 MAA → RQY May 23, 05:55 UTCMay 23, 06:35 UTC40m
2026-05-22 SEJ2704 RQY → MAA May 22, 13:00 UTCMay 22, 13:45 UTC45m

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 VT-SQD page for operator, model, and routing details .

Mode-S 800D18 frequently asked

What is Mode-S code 800D18?
800D18 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-SQD.
Where is Mode-S 800D18 registered?
Mode-S code 800D18 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 800D18 broadcasting right now?
No active broadcast right now. Last signal was Jun 6, 06:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 800D18, octal 40006430, decimal 8,391,960.
What flights does 800D18 operate?
Mode-S 800D18 has broadcast 20 distinct callsigns, including SEJ2704, SEJ2710, SEJ2711, SEJ2703, SEJ2446.