Apparatus

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flight_takeoff Flight

EOK421

Operated by Aero K

Live map

Live map filtered to EOK421. Shown when the flight is currently airborne.

Route airports View route page →

Departure

CJJ RKTU VFR

Cheongju International Airport/Cheongju Air Base (K-59/G-513)

Cheongju, KR

Local time
03:42 GMT+9
Timezone
Asia/Seoul
Type
Large Airport
Elevation
191 ft
Coordinates
36.7156, 127.5003

cloud Weather

Wind
260° / 6 kt
Visibility
6 SM
Ceiling
BKN 3,500 ft
Temp / Dew
13°C / 5°C
Altimeter
29.82 inHg

Obs: 2026-04-27T18:00:00.000Z

Raw METAR / TAF 
METAR RKTU 271800Z 26006KT 9999 BKN035 13/05 Q1010

TAF RKTU 271700Z 2718/2824 27006KT 9999 SCT020 BKN030 TX18/2806Z TN01/2821Z BECMG 2718/2719 BKN015 BKN030 BECMG 2801/2802 27008KT 9999 BKN030 BKN200

Arrival

UBN ZMCK VFR

Ulaanbaatar Chinggis Khaan International Airport

Ulaanbaatar (Sergelen), MN

Local time
02:42 GMT+8
Timezone
Asia/Ulaanbaatar
Type
Large Airport
Elevation
4,482 ft
Coordinates
47.6469, 106.8198

cloud Weather

Wind
VRB / 4 kt
Visibility
6 SM
Ceiling
CAVOK
Temp / Dew
0°C / -10°C
Altimeter
30.32 inHg

Obs: 2026-04-27T18:30:00.000Z

Raw METAR / TAF 
METAR ZMCK 271830Z VRB02MPS CAVOK 00/M10 Q1027 NOSIG RMK QFE653.4 45

TAF ZMCK 271635Z 2718/2824 VRB02MPS CAVOK TNM05/2723Z TX16/2807Z BECMG 2802/2804 24005MPS SCT033 BECMG 2809/2811 VRB02MPS

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-27 71C540 CJJ → UBN Apr 27, 12:50 UTCApr 27, 15:05 UTC2h 15m - -
2026-04-24 71C743 CJJ → UBN Apr 24, 12:45 UTCApr 24, 14:35 UTC1h 50m - -

Performance history

Flights tracked
2
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 2

EOK421 frequently asked

Where does flight EOK421 fly?
EOK421 (Aero K) flies from CJJ to UBN. View the full route page.
How long is flight EOK421?
Based on observed flights, EOK421 takes on average 2h 3m from takeoff to landing.
How often does EOK421 fly?
EOK421 has been observed flying occasionally in our tracking data. We've recorded 2 flights under this callsign.
What aircraft operates flight EOK421?
EOK421 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track EOK421 live?
Yes. When EOK421 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.