Jeongseok Airfield is located in republic of korea in Jeju island and it's used by korean air for flight training
Airport elev:
355.5 meter
1166 feett
Transition:
ALT: 14,000
LVL: FL140
ATC Frequency:
JEJU Approach: 119.00
JEJU Approach: 121.20
JEJU Approach: 124.05
JEJU ATIS: 128.25
JEJU Departure: 119.22
JEONGSEOK Ground: 121.95
JEONGSEOK Tower:124.35
ILS Frequency:
Rwy 01: 108.30
Rwy19: N/A
Parking:
G1-G10
Ramp 1
"RKPD" Jeongseok Charts are available in korea AIS offical website
http://ais.casa.go.kr/aip_ad.asp?AipCode=3317&MidCode=103&BigCode=32