ESR261

Flight

Status

Incomplete (signal lost)

Departure

Gimpo International Airport (GMP) — Seoul, South Korea

Departed

2026-09-21 21:21 UTC

Distance flown

419 km

Approach distance

7 km

Registration

Type

Boeing 737 MAX 8

Max altitude

26,000 ft

Max ground speed

438 kt

Tracked

36m · 418 km

Altitude (ft, max 26,000)

Ground speed (kt, max 438)

Altitude (ft, max 26,000)

Ground speed (kt, max 438)

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.

Eastar Jet (ESR)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 21:28 UTC	ESR261	GMP → CJU Seoul → Jeju City	HL8784	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	~517 km est. (406 km recorded)
2026-09-26 21:24 UTC	ESR261	GMP → ? Seoul → ?	HL8764	Boeing 737 MAX 8	Incomplete (signal lost)	398 km
2026-09-25 21:35 UTC	ESR261	GMP → ? Seoul → ?	HL8764	Boeing 737 MAX 8	Incomplete (signal lost)	385 km
2026-09-23 21:30 UTC	ESR261	GMP → ? Seoul → ?	HL8784	Boeing 737 MAX 8	Incomplete (signal lost)	422 km
2026-09-22 21:31 UTC	ESR261	GMP → ? Seoul → ?	HL8784	Boeing 737 MAX 8	Incomplete (signal lost)	429 km
2026-09-21 21:21 UTC	ESR261	GMP → ? Seoul → ?	HL8784	Boeing 737 MAX 8	Incomplete (signal lost)	419 km