You are welcome with your UAV in South-Korea
Maximum take-off weight: 12 kilo, above 12 kilo you need a licence
Maximum hight: 150 meters / 492 ft.
Maximum horizontal distance: Keep visual contact with UAV
Insurance: Not known
Distance Airports / Heliports: 5.5 km / 3.4 mi.
Night flights: Prohibited
Prohibited: Not near Seoul Plaza, Power Plants, Government Buildings (such as Blue House), Embassies, Military Objects and borders.
Registration for UAV above 12 kilos: click here.
Useful link: South Korea Office Civil Aviation (KOCA)
Contact information: firstname.lastname@example.org / +82 44 2014251