IB73

USN → SSN · Boeing 737-800

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Ulsan Airport (USN) — Ulsan, South Korea

Departed

2026-09-30 06:14 UTC

Arrival

Seoul Air Base (K-16) (SSN) — Simgok-dong, South Korea

Distance flown

377 km

Straight-line distance

287 km

Approach distance

79 km

Registration

Type

Boeing 737-800

Max altitude

20,000 ft

Max ground speed

403 kt

Tracked

45m · 376 km

Altitude (ft, max 20,000)

Ground speed (kt, max 403)

Altitude (ft, max 20,000)

Ground speed (kt, max 403)

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.

No airline on record.

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-30 06:14 UTC	IB73	USN → SSN Ulsan → Simgok-dong	HL8566	Boeing 737-800	Completed	377 km
2026-09-30 02:46 UTC	IB73	SSN → USN Simgok-dong → Ulsan	HL8566	Boeing 737-800	Completed (landing presumed)	301 km