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sensors Mode-S transponder

801509

ICAO 24-bit transponder address · allocated to India

Currently assigned to VT-YAF · BOEING 737 MAX 8

Hex
801509
Octal
40012411
Decimal
8,393,993
Country
IN
Tail
VT-YAF
Type
B38M
No current signal · last broadcast Jul 26, 17:50 UTC
Flights observed
606
Distinct callsigns
20
Country
IN
Last broadcast
Jul 26, 17:50 UTC

Last known position

Most recent position reported by Mode-S 801509.

Country allocation

The ICAO 24-bit address 801509 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
AKJ1880 - 24 2026-06-26
AKJ1883 - 22 2026-06-26
AKJ1821 Akasa Air 12 2026-05-30
AKJ1516 - 12 2026-07-01
AKJ1515 - 12 2026-07-02
AKJ1819 - 11 2026-07-02
AKJ552F Akasa Air 10 2026-05-30
AKJ1820 Akasa Air 10 2026-06-22
AKJ1142 - 10 2026-07-21
AKJ1812 Akasa Air 9 2026-06-02
AKJ1518 - 9 2026-07-21
AKJ1512 - 9 2026-06-21
AKJ509V Akasa Air 8 2026-06-26
AKJ1940 - 8 2026-07-15
AKJ1814 Akasa Air 8 2026-06-02
AKJ1811 Akasa Air 8 2026-06-02
AKJ1502 Akasa Air 8 2026-06-05
AKJ1141 Akasa Air 8 2026-07-21
AKJ792Q - 7 2026-06-26
AKJ1881 Akasa Air 7 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AKJ680W - Jul 26, 16:00 UTCJul 26, 17:45 UTC1h 45m
2026-07-26 AKJ1809 DEL → PNQ Jul 26, 13:00 UTCJul 26, 13:30 UTC30m
2026-07-26 AKJ652C DEL → DEL Jul 26, 05:30 UTCJul 26, 11:10 UTC5h 41m
2026-07-26 AKJ1823 BLR → DEL Jul 26, 02:15 UTCJul 26, 03:05 UTC50m
2026-07-26 AKJ1823 BLR → DEL Jul 26, 00:45 UTCJul 26, 00:55 UTC10m
2026-07-25 AKJ575C - Jul 25, 17:00 UTCJul 25, 17:15 UTC15m
2026-07-25 AKJ575C - Jul 25, 15:00 UTCJul 25, 15:35 UTC35m
2026-07-25 AKJ1808 IXB → DEL Jul 25, 11:40 UTCJul 25, 13:15 UTC1h 35m
2026-07-25 AKJ1807 DEL → IXB Jul 25, 08:40 UTCJul 25, 10:10 UTC1h 30m
2026-07-25 AKJ112Q - Jul 25, 05:50 UTCJul 25, 06:40 UTC50m
2026-07-25 AKJ112Q - Jul 25, 04:55 UTCJul 25, 05:00 UTC5m
2026-07-25 AKJ1833 IXB → DEL Jul 25, 03:15 UTCJul 25, 03:40 UTC25m
2026-07-25 AKJ1833 IXB → DEL Jul 25, 01:50 UTCJul 25, 02:25 UTC35m
2026-07-24 AKJ680W - Jul 24, 16:05 UTCJul 24, 17:50 UTC1h 45m
2026-07-24 AKJ1809 DEL → PNQ Jul 24, 13:10 UTCJul 24, 13:40 UTC30m
2026-07-24 AKJ652C - Jul 24, 05:25 UTCJul 24, 11:10 UTC5h 45m
2026-07-24 AKJ1823 BLR → DEL Jul 24, 00:45 UTCJul 24, 03:10 UTC2h 25m
2026-07-23 AKJ1564 CCU → BLR Jul 23, 17:05 UTCJul 23, 17:15 UTC10m
2026-07-23 AKJ1564 CCU → BLR Jul 23, 15:10 UTCJul 23, 16:20 UTC1h 10m
2026-07-23 AKJ1563 PNQ → CCU Jul 23, 11:35 UTCJul 23, 13:55 UTC2h 20m
2026-07-23 AKJ673J - Jul 23, 09:20 UTCJul 23, 09:30 UTC10m
2026-07-22 AKJ659V - Jul 22, 18:15 UTCJul 22, 18:30 UTC15m
2026-07-22 AKJ659V - Jul 22, 16:05 UTCJul 22, 16:40 UTC35m
2026-07-22 AKJ618U - Jul 22, 13:50 UTCJul 22, 14:40 UTC50m
2026-07-22 AKJ1513 - Jul 22, 04:05 UTCJul 22, 04:20 UTC15m
2026-07-21 AKJ1518 - Jul 21, 17:45 UTCJul 21, 18:20 UTC35m
2026-07-21 AKJ1518 - Jul 21, 17:05 UTCJul 21, 17:10 UTC5m
2026-07-21 AKJ1142 - Jul 21, 15:00 UTCJul 21, 15:40 UTC40m
2026-07-21 AKJ1142 - Jul 21, 12:40 UTCJul 21, 13:25 UTC45m
2026-07-21 AKJ1141 CCU → BOM Jul 21, 09:55 UTCJul 21, 11:00 UTC1h 5m
2026-07-21 AKJ1426 - Jul 21, 05:50 UTCJul 21, 06:20 UTC30m
2026-07-20 AKJ2074 - Jul 20, 10:25 UTCJul 20, 10:40 UTC15m
2026-07-20 AKJ2074 - Jul 20, 08:55 UTCJul 20, 09:20 UTC25m
2026-07-20 AKJ1573 BLR → BBI Jul 20, 06:40 UTCJul 20, 07:05 UTC25m
2026-07-20 AKJ1572 BLR → BBI Jul 20, 04:05 UTCJul 20, 04:45 UTC40m
2026-07-20 AKJ2071 - Jul 20, 00:50 UTCJul 20, 02:35 UTC1h 45m
2026-07-17 AKJ2074 - Jul 17, 10:30 UTCJul 17, 10:40 UTC10m
2026-07-17 AKJ2074 - Jul 17, 08:59 UTCJul 17, 09:30 UTC30m
2026-07-17 AKJ1573 - Jul 17, 06:25 UTCJul 17, 07:05 UTC40m
2026-07-17 AKJ1572 - Jul 17, 04:10 UTCJul 17, 04:35 UTC25m
2026-07-17 AKJ2071 - Jul 17, 00:45 UTCJul 17, 02:39 UTC1h 55m
2026-07-15 AKJ1430 - Jul 15, 16:00 UTCJul 15, 16:10 UTC10m
2026-07-15 AKJ1429 - Jul 15, 11:50 UTCJul 15, 12:00 UTC10m
2026-07-15 AKJ1940 - Jul 15, 10:20 UTCJul 15, 10:35 UTC15m
2026-07-15 AKJ1940 - Jul 15, 08:50 UTCJul 15, 09:25 UTC35m
2026-07-15 AKJ1939 - Jul 15, 04:50 UTCJul 15, 06:35 UTC1h 45m
2026-07-15 AKJ640Y - Jul 15, 03:10 UTCJul 15, 03:35 UTC25m
2026-07-14 AKJ1518 - Jul 14, 17:25 UTCJul 14, 18:00 UTC35m
2026-07-14 AKJ1518 - Jul 14, 16:45 UTCJul 14, 16:50 UTC5m
2026-07-14 AKJ1142 - Jul 14, 15:10 UTCJul 14, 15:25 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 VT-YAF page for operator, model, and routing details .

Mode-S 801509 frequently asked

What is Mode-S code 801509?
801509 is an ICAO 24-bit transponder address. Allocated to India. Assigned to VT-YAF.
Where is Mode-S 801509 registered?
Mode-S code 801509 is allocated to India (IN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 801509 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 17:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 801509, octal 40012411, decimal 8,393,993.
What flights does 801509 operate?
Mode-S 801509 has broadcast 20 distinct callsigns, including AKJ1880, AKJ1883, AKJ1821, AKJ1516, AKJ1515.