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MAS521

CSX → KUL · Boeing 737 MAX 8 · Malaysia Airlines

For travellers

Arrival · Kuala Lumpur (KUL)

Terminal KLIA · Gate G010R · Baggage belt H
Scheduled 26 Sep 06:50 · Estimated 26 Sep 06:21 · early
Board status: CLOSED
Landed 26 Sep 03:14 (estimated)

Board data from mahb_klia, updated 8479 min ago; times local to each airport.

Flight

Status
Incomplete (signal lost)
Departure
Changsha Huanghua International Airport (CSX) — Changsha, China
Departed
2026-09-25 18:54 UTC (first seen)
Arrival
Kuala Lumpur International Airport (KUL) — Kuala Lumpur, Malaysia (scheduled)
Scheduled arrival
2026-09-25 22:50 UTC
Estimated arrival
2026-09-25 22:21 UTC
Also flies as
MH521
Distance flown
296 km
Straight-line distance
3081 km

Aircraft

Registration
9M-MVD
Type
Boeing 737 MAX 8
Seats
174 total (12 Business, 162 Economy)

Altitude & speed

Max altitude
36,100 ft
Max ground speed
480 kt
Tracked
20m · 295 km
Altitude (ft, max 36,100)
019,49438,9880m
Ground speed (kt, max 480)
02595180m
Altitude (ft, max 36,100)
019,49438,9880m
Ground speed (kt, max 480)
02595180m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Malaysia Airlines (MAS)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-01 21:42 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVL Boeing 737 MAX 8 Completed (landing presumed) 437 km
2026-10-01 18:44 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVL Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2821 km est. (344 km recorded)
2026-09-30 21:48 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVE Boeing 737 MAX 8 Completed 465 km
2026-09-30 18:54 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVE Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2775 km est. (268 km recorded)
2026-09-29 21:55 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVB Boeing 737 MAX 8 Completed (landing presumed) 263 km
2026-09-29 18:54 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVB Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2840 km est. (355 km recorded)
2026-09-28 21:54 UTC MAS521 ? → ? 9M-MVJ Boeing 737 MAX 8 Incomplete (signal lost) 368 km
2026-09-28 19:04 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVJ Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2798 km est. (298 km recorded)
2026-09-27 21:50 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MXR Boeing 737-800 Completed (landing presumed) 334 km
2026-09-27 18:55 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MXR Boeing 737-800 Completed (landing confirmed by airport data) ~2815 km est. (293 km recorded)
2026-09-26 21:49 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVM Boeing 737 MAX 8 Completed (landing presumed) 309 km
2026-09-26 18:49 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVM Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2809 km est. (297 km recorded)
2026-09-25 21:29 UTC MAS521 KTE → KUL
Kerteh → Kuala Lumpur
 9M-MVD Boeing 737 MAX 8 Completed (landing presumed) 358 km
2026-09-25 18:54 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVD Boeing 737 MAX 8 Incomplete (signal lost) ~2787 km est. (296 km recorded)
2026-09-24 21:51 UTC MAS521 ? → ? 9M-MVM Boeing 737 MAX 8 Incomplete (signal lost) 399 km
2026-09-24 19:00 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVM Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2766 km est. (271 km recorded)
2026-09-23 21:51 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVK Boeing 737 MAX 8 Completed (landing presumed) 340 km
2026-09-23 18:53 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVK Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2775 km est. (281 km recorded)
2026-09-22 21:47 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVC Boeing 737 MAX 8 Completed (landing presumed) 338 km
2026-09-22 18:53 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVC Boeing 737 MAX 8 Incomplete (signal lost) ~2775 km est. (271 km recorded)
2026-09-21 21:57 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVH Boeing 737 MAX 8 Completed (landing presumed) 132 km
2026-09-21 18:45 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVH Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2791 km est. (314 km recorded)
2026-09-20 22:08 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Completed (landing presumed) 161 km
2026-09-20 19:03 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Incomplete (signal lost) ~2786 km est. (281 km recorded)
2026-09-19 21:50 UTC MAS521 ? → ? 9M-MVH Boeing 737 MAX 8 Incomplete (signal lost) 259 km
2026-09-19 18:46 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVH Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2800 km est. (395 km recorded)
2026-09-18 19:05 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVK Boeing 737 MAX 8 Completed (landing confirmed by airport data) 2881 km
2026-09-17 21:56 UTC MAS521 ? → ? 9M-MVA Boeing 737 MAX 8 Incomplete (signal lost) 249 km
2026-09-17 18:57 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVA Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~2843 km est. (418 km recorded)
2026-09-16 18:52 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVE Boeing 737 MAX 8 Completed 2838 km
2026-09-15 18:47 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Completed 2864 km
2026-09-14 18:47 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Completed (landing presumed) 2850 km
2026-09-13 18:46 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVA Boeing 737 MAX 8 Completed (landing presumed) 2935 km
2026-09-12 19:02 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVJ Boeing 737 MAX 8 Completed (landing presumed) 2910 km
2026-09-11 18:51 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVF Boeing 737 MAX 8 Completed (landing confirmed by airport data) 2971 km
2026-09-10 18:56 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVI Boeing 737 MAX 8 Completed (landing presumed) 2908 km
2026-09-09 18:55 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVF Boeing 737 MAX 8 Completed 2831 km
2026-09-07 18:50 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVJ Boeing 737 MAX 8 Completed (landing presumed) 2884 km
2026-09-06 18:46 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Completed 2892 km
2026-09-05 18:38 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Completed 2951 km
2026-09-04 19:03 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVL Boeing 737 MAX 8 Completed (landing confirmed by airport data) 2893 km
2026-09-03 18:53 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVN Boeing 737 MAX 8 Completed 3193 km
2026-09-02 18:52 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVM Boeing 737 MAX 8 Completed 2947 km
2026-09-01 19:04 UTC MAS521 ? → ? 9M-MVL Boeing 737 MAX 8 Completed 2773 km
2026-08-31 18:52 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVG Boeing 737 MAX 8 Completed 2966 km
2026-08-30 19:01 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVC Boeing 737 MAX 8 Completed 2908 km
2026-08-29 19:26 UTC MAS521 ? → ? 9M-MVE Boeing 737 MAX 8 Completed 2792 km
2026-08-28 19:02 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVM Boeing 737 MAX 8 Completed (landing presumed) 2818 km
2026-08-27 18:52 UTC MAS521 CSX → KUL
Changsha → Kuala Lumpur
 9M-MVJ Boeing 737 MAX 8 Completed 2799 km
2026-08-26 19:13 UTC MAS521 ? → KUL
? → Kuala Lumpur
 9M-MVE Boeing 737 MAX 8 Completed 2860 km

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