sensors Mode-S transponder

76D253

ICAO 24-bit transponder address · allocated to Singapore

Currently assigned to 9V-TRS · AIRBUS A-320

Hex
76D253
Octal
35551123
Decimal
7,787,091
Country
SG
Tail
9V-TRS
Type
A320
Broadcasting now · callsign TGW608 · 27,725 ft
Flights observed
7
Distinct callsigns
7
Country
SG
Last broadcast
12h ago

Current position

76D253 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 76D253 falls within the block assigned to Singapore (SG) by ICAO Annex 10, Volume III. Every aircraft registered in Singapore 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 7 distinct

Callsign Airline Flights Last seen
TGW785 - 1 2026-04-13
TGW784 - 1 2026-04-13
TGW581 - 1 2026-04-12
TGW473 - 1 2026-04-14
TGW472 - 1 2026-04-14
TGW277 - 1 2026-04-14
TGW258 - 1 2026-04-13

Recent flights last 7

DateFlightRouteTakeoffLandingDuration
2026-04-14 TGW473 - Apr 14, 10:35 UTCApr 14, 11:05 UTC30m
2026-04-14 TGW472 - Apr 14, 08:25 UTCApr 14, 09:05 UTC40m
2026-04-14 TGW277 - Apr 14, 05:25 UTCApr 14, 05:40 UTC15m
2026-04-13 TGW785 - Apr 13, 21:40 UTCApr 13, 22:20 UTC40m
2026-04-13 TGW784 - Apr 13, 13:55 UTCApr 13, 14:25 UTC30m
2026-04-13 TGW258 - Apr 13, 01:45 UTCApr 13, 02:00 UTC15m
2026-04-12 TGW581 - Apr 12, 19:15 UTCApr 12, 19:55 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 9V-TRS page for operator, model, and routing details .

Mode-S 76D253 frequently asked

What is Mode-S code 76D253?
76D253 is an ICAO 24-bit transponder address. Allocated to Singapore. Assigned to 9V-TRS.
Where is Mode-S 76D253 registered?
Mode-S code 76D253 is allocated to Singapore (SG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 76D253 broadcasting right now?
Yes. Mode-S 76D253 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 76D253, octal 35551123, decimal 7,787,091.
What flights does 76D253 operate?
Mode-S 76D253 has broadcast 7 distinct callsigns, including TGW785, TGW784, TGW581, TGW473, TGW472.