Apparatus

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sensors Mode-S transponder

780D13

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1727 · BOEING 737-800

Hex
780D13
Octal
36006423
Decimal
7,867,667
Country
CN
Tail
B-1727
Type
B738
No current signal · last broadcast Jul 25, 11:00 UTC
Flights observed
102
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 11:00 UTC

Last known position

Most recent position reported by Mode-S 780D13.

Country allocation

The ICAO 24-bit address 780D13 falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China 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
CHH7698 Hainan Airlines 5 2026-05-21
CHH6394 Hainan Airlines 5 2026-07-22
CHH7746 - 4 2026-07-15
CHH7384 Hainan Airlines 4 2026-04-23
CHH7275 - 4 2026-07-21
CHH7737 Hainan Airlines 3 2026-07-20
CHH7028 Hainan Airlines 3 2026-07-21
CHH7883 - 2 2026-07-24
CHH7805 Hainan Airlines 2 2026-07-23
CHH7745 - 2 2026-07-15
CHH7735 - 2 2026-07-05
CHH7731 Hainan Airlines 2 2026-07-19
CHH7394 Hainan Airlines 2 2026-07-19
CHH7383 Hainan Airlines 2 2026-04-22
CHH7179 Hainan Airlines 2 2026-07-25
CHH7109 Hainan Airlines 2 2026-07-24
CHH6206 Hainan Airlines 2 2026-07-18
CHH7996 - 1 2026-06-12
CHH7995 Hainan Airlines 1 2026-06-12
CHH7874 - 1 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CHH7180 SYX → PEK Jul 25, 10:45 UTCJul 25, 11:00 UTC15m
2026-07-25 CHH7179 PEK → SYX Jul 25, 01:40 UTCJul 25, 04:40 UTC3h 0m
2026-07-24 CHH7110 JIQ → PEK Jul 24, 15:35 UTCJul 24, 16:00 UTC25m
2026-07-24 CHH7109 PEK → JIQ Jul 24, 09:15 UTCJul 24, 09:45 UTC30m
2026-07-24 CHH7883 - Jul 24, 00:05 UTCJul 24, 00:25 UTC20m
2026-07-23 CHH7810 CAN → PEK Jul 23, 10:00 UTCJul 23, 10:10 UTC10m
2026-07-23 CHH7805 PEK → CAN Jul 23, 02:40 UTCJul 23, 02:55 UTC15m
2026-07-22 CHH6394 ZUH → CKG Jul 22, 14:50 UTCJul 22, 15:00 UTC10m
2026-07-21 CHH7028 SZX → HAK Jul 21, 15:15 UTCJul 21, 15:30 UTC15m
2026-07-21 CHH7275 - Jul 21, 06:40 UTCJul 21, 06:50 UTC10m
2026-07-21 CHH7738 NNY → SZX Jul 21, 05:15 UTCJul 21, 05:25 UTC10m
2026-07-20 CHH7737 SZX → NNY Jul 20, 23:00 UTCJul 20, 23:10 UTC10m
2026-07-20 CHH7774 KWE → SZX Jul 20, 17:30 UTCJul 20, 17:55 UTC25m
2026-07-20 CHH7773 SZX → KWE Jul 20, 12:30 UTCJul 20, 12:40 UTC10m
2026-07-19 CHH7731 SYX → SZX Jul 19, 23:55 UTCJul 20, 00:05 UTC10m
2026-07-19 CHH7394 HGH → SZX Jul 19, 05:35 UTCJul 19, 06:05 UTC30m
2026-07-18 CHH6206 PVG → SZX Jul 18, 23:20 UTCJul 18, 23:30 UTC10m
2026-07-18 CHH6206 PVG → SZX Jul 18, 22:15 UTCJul 18, 22:35 UTC20m
2026-07-18 CHH7752 - Jul 18, 06:20 UTCJul 18, 06:35 UTC15m
2026-07-18 CHH7751 SZX → CTU Jul 18, 00:00 UTCJul 18, 00:10 UTC10m
2026-07-17 CHH7874 - Jul 17, 09:10 UTCJul 17, 09:20 UTC10m
2026-07-17 CHH7394 HGH → SZX Jul 17, 05:45 UTCJul 17, 06:25 UTC40m
2026-07-17 CHH7393 - Jul 17, 00:45 UTCJul 17, 00:55 UTC10m
2026-07-16 CHH7733 - Jul 16, 12:00 UTCJul 16, 12:09 UTC10m
2026-07-16 CHH7630 - Jul 16, 05:30 UTCJul 16, 05:45 UTC15m
2026-07-16 CHH7629 - Jul 16, 03:45 UTCJul 16, 04:05 UTC20m
2026-07-16 CHH7769 - Jul 16, 00:00 UTCJul 16, 00:40 UTC40m
2026-07-15 CHH7746 - Jul 15, 17:00 UTCJul 15, 17:20 UTC20m
2026-07-15 CHH7746 - Jul 15, 12:30 UTCJul 15, 12:50 UTC20m
2026-07-15 CHH7745 - Jul 15, 04:35 UTCJul 15, 04:45 UTC10m
2026-07-14 CHH6394 - Jul 14, 15:05 UTCJul 14, 15:15 UTC10m
2026-07-13 CHH7028 - Jul 13, 15:40 UTCJul 13, 15:50 UTC10m
2026-07-13 CHH7746 - Jul 13, 10:00 UTCJul 13, 10:20 UTC20m
2026-07-13 CHH7745 - Jul 13, 02:25 UTCJul 13, 02:35 UTC10m
2026-07-11 CHH7016 - Jul 11, 09:05 UTCJul 11, 09:25 UTC20m
2026-07-10 CHH7468 - Jul 10, 08:05 UTCJul 10, 08:15 UTC10m
2026-07-09 CHH7467 - Jul 9, 12:40 UTCJul 10, 06:40 UTC18h 0m
2026-07-07 CHH7053 - Jul 7, 02:50 UTCJul 7, 06:30 UTC3h 40m
2026-07-06 CHH7275 - Jul 6, 07:35 UTCJul 6, 07:45 UTC10m
2026-07-06 CHH7736 - Jul 6, 05:50 UTCJul 6, 06:00 UTC10m
2026-07-05 CHH7735 - Jul 5, 22:30 UTCJul 5, 22:40 UTC10m
2026-07-05 CHH7027 - Jul 5, 14:30 UTCJul 5, 14:50 UTC20m
2026-07-05 CHH6258 - Jul 5, 03:05 UTCJul 5, 08:40 UTC5h 35m
2026-07-02 CHH7340 - Jul 2, 01:50 UTCJul 2, 09:50 UTC8h 0m
2026-07-01 CHH6394 - Jul 1, 15:35 UTCJul 1, 15:45 UTC10m
2026-06-30 CHH7007 - Jun 30, 08:45 UTCJun 30, 09:10 UTC25m
2026-06-18 CHH7028 - Jun 18, 19:35 UTCJun 18, 19:45 UTC10m
2026-06-18 CHH7276 TFU → SZX Jun 18, 18:00 UTCJun 18, 18:10 UTC10m
2026-06-18 CHH7275 - Jun 18, 12:05 UTCJun 18, 12:15 UTC10m
2026-06-18 CHH7158 - Jun 18, 08:20 UTCJun 18, 08:30 UTC10m

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 B-1727 page for operator, model, and routing details .

Mode-S 780D13 frequently asked

What is Mode-S code 780D13?
780D13 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1727.
Where is Mode-S 780D13 registered?
Mode-S code 780D13 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780D13 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 11:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780D13, octal 36006423, decimal 7,867,667.
What flights does 780D13 operate?
Mode-S 780D13 has broadcast 20 distinct callsigns, including CHH7698, CHH6394, CHH7746, CHH7384, CHH7275.