Osan Air Base

RKSO / OSN

Pyeongtaek, KR

Active NOTAMs
39

📋 NOTAM Summary

39
Total Active
0
Critical
2
Runway
0
NavAid
🛫

Runway & Taxiway

2 active
QLPAS
NOTAM: M0409/26 | Q-Code: QLPAS | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 23, 2026 16:13 UTC
Expires
Apr 24, 2026 00:01 UTC
NOTAM Description
RUNWAY 27R PAPI UNSERVICEABLE
QXXXX
NOTAM: M0004/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Jan 6, 2026 05:55 UTC
Expires
Apr 2, 2026 23:59 UTC
NOTAM Description
FOUR ENGINE TURBOFAN AIRCRAFT RESTRICTED TO RUNWAY 09L/27R (B-747, C-5, C-17, AN-124, IL-76, A-340, ETC).
ℹ️

General Information

37 active
QXXXX
NOTAM: M0564/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 14, 2026 01:00 UTC
Expires
Apr 24, 2026 09:00 UTC
NOTAM Description
WITCH DOCTOR OPERATING ASR RWY 09L/27R, PAR RWY 09L.
QXXXX
NOTAM: M0539/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 8, 2026 23:00 UTC
Expires
Jul 7, 2026 08:00 UTC
NOTAM Description
CAUTION! 51 FT MSL CRANE .32NM WEST OF RWY 09R APPROACH END, LOCATED BETWEEN AT 37°5'7.1" N, 127°0'37.3" E AND 37°4'55.3" N, 127°0'37.2" E
QXXXX
NOTAM: M0471/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 8, 2026 02:00 UTC
Expires
Apr 8, 2026 02:30 UTC
NOTAM Description
AERODROME CLSD FOR LANGUAGE HEARING TEST. ANY NOISE PRODUCING AIR OPERATIONS ARE PROHIBITED ON ALL OVERLAND AIRSPACE ALT SFC-10000FT MSL IN KOREA. ANY NOISE PRODUCING GROUND MOVEMENTS (TAKEOFF, LANDING, TAXI, ENGINE START, ENGINE RUNS, AND APU OPS) ARE PROHIBITED FOR THE DURATION OF THE HEARING TEST. EXCEPTIONS: REAL WORLD EMERGENCY, MEDEVAC, CONTINGENCY (ALERT OR SCRAMBLE), 5 RS, AMC AND PATRIOT EXPRESS MISSIONS. FOR DETAILS, REFER TO AIRADS R3N03281114071. ROKAF SODO 784-4471.
QXXXX
NOTAM: M0469/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 8, 2026 02:00 UTC
Expires
Apr 8, 2026 02:30 UTC
NOTAM Description
AERODROME CLOSED, ALL AIRCRAFT PROHIBITED FROM TAKING OFF AND LANDING.
QXXXX
NOTAM: M0468/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 7, 2026 02:00 UTC
Expires
Apr 7, 2026 02:30 UTC
NOTAM Description
AERODROME CLOSED, ALL AIRCRAFT PROHIBITED FROM TAKING OFF AND LANDING.
QXXXX
NOTAM: M0474/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 7, 2026 02:00 UTC
Expires
Apr 7, 2026 02:30 UTC
NOTAM Description
AERODROME CLSD FOR LANGUAGE HEARING TEST. ANY NOISE PRODUCING AIR OPERATIONS ARE PROHIBITED ON ALL OVERLAND AIRSPACE ALT SFC-10000FT MSL IN KOREA. ANY NOISE PRODUCING GROUND MOVEMENTS (TAKEOFF, LANDING, TAXI, ENGINE START, ENGINE RUNS, AND APU OPS) ARE PROHIBITED FOR THE DURATION OF THE HEARING TEST. EXCEPTIONS: REAL WORLD EMERGENCY, MEDEVAC, CONTINGENCY (ALERT OR SCRAMBLE), 5 RS, AMC AND PATRIOT EXPRESS MISSIONS. FOR DETAILS, REFER TO AIRADS R3N03281114071. ROKAF SODO 784-4471.
QXXXX
NOTAM: M0528/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 6, 2026 18:44 UTC
Expires
Jun 1, 2026 23:00 UTC
NOTAM Description
TWY A DIRECTION SIGN BETWEEN RWYS NOT ILLUMINATED
QXXXX
NOTAM: M0505/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 4, 2026 13:39 UTC
Expires
Jul 1, 2026 23:00 UTC
NOTAM Description
DOORSTOP PARKING APRON EDGE LIGHTS UNSERVICEABLE
QXXXX
NOTAM: M0504/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 4, 2026 13:28 UTC
Expires
Jun 1, 2026 23:00 UTC
NOTAM Description
TWY G EDGE LIGHTS SOUTH OF RWY 27L/09R UNSERVICEABLE
QXXXX
NOTAM: M0498/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 4, 2026 12:45 UTC
Expires
Jul 1, 2026 23:00 UTC
NOTAM Description
TWY B EDGE LIGHTS BETWEEN RWYS UNSERVICEABLE
QXXXX
NOTAM: M0488/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 4, 2026 02:30 UTC
Expires
Apr 4, 2026 09:00 UTC
NOTAM Description
PAR FLYABILTY COMMISSIONING IN PROGRESS. AIRCRAFT MAY EXPERIENCE ARRIVAL/DEPARTURE DELAYS.
QXXXX
NOTAM: M0478/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 3, 2026 00:20 UTC
Expires
Apr 4, 2026 02:00 UTC
NOTAM Description
TWY F CLOSED.
QXXXX
NOTAM: M0482/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 2, 2026 10:20 UTC
Expires
Jun 29, 2026 23:59 UTC
NOTAM Description
AIRCRAFT RESCUE AND FIREFIGHTING STATUS DOWNGRADED TO RED, CRITICAL LEVEL OF SERVICE FOR C5 AIRCRAFT. SUCCESSFUL OUTCOMES CAN ONLY BE EXPECTED WHEN THE INCIDENT CAN BE QUICKLY MITIGATED. FIREFIGHTERS ARE EXPECTED TO REVERT TO DEFENSIVE OPERATIONS WHEN THE EMERGENCY CANNOT BE QUICKLY CONTAINED.
QXXXX
NOTAM: M0479/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Apr 2, 2026 08:48 UTC
Expires
Apr 30, 2026 23:59 UTC
NOTAM Description
FLOWS SPOT 16 CLSD
QXXXX
NOTAM: M0476/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 2, 2026 05:37 UTC
Expires
Apr 5, 2026 13:00 UTC
NOTAM Description
WX PMSV NOT MONITORED PLEASE CALL DSN 784-9370 OR COMM +82-505-784-9370 FOR ASSISTANCE.
QXXXX
NOTAM: M0473/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 2, 2026 02:00 UTC
Expires
Apr 2, 2026 02:30 UTC
NOTAM Description
AERODROME CLSD FOR LANGUAGE HEARING TEST. ANY NOISE PRODUCING AIR OPERATIONS ARE PROHIBITED ON ALL OVERLAND AIRSPACE ALT SFC-10000FT MSL IN KOREA. ANY NOISE PRODUCING GROUND MOVEMENTS (TAKEOFF, LANDING, TAXI, ENGINE START, ENGINE RUNS, AND APU OPS) ARE PROHIBITED FOR THE DURATION OF THE HEARING TEST. EXCEPTIONS: REAL WORLD EMERGENCY, MEDEVAC, CONTINGENCY (ALERT OR SCRAMBLE), 5 RS, AMC AND PATRIOT EXPRESS MISSIONS. FOR DETAILS, REFER TO AIRADS R3N03281114071. ROKAF SODO 784-4471.
QXXXX
NOTAM: M0467/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Apr 2, 2026 02:00 UTC
Expires
Apr 2, 2026 02:30 UTC
NOTAM Description
AERODROME CLOSED, ALL AIRCRAFT PROHIBITED FROM TAKING OFF AND LANDING.
QXXXX
NOTAM: M0458/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 12:17 UTC
Expires
May 31, 2026 23:59 UTC
NOTAM Description
TWY H NORTHEWEST INFORMATIONAL SIGN FROM RWY 27L NOT ILLUMINATED
QXXXX
NOTAM: M0453/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:44 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 128 FT MSL CRANE .87NM WSW OF RWY 09R APPROACH END, LOCATED AT 37°05’07”N 126°59’48”E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0452/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:43 UTC
Expires
Apr 30, 2026 15:49 UTC
NOTAM Description
CAUTION! 125 FT MSL CRANE .79NM WSW OF RWY 09R APPROACH END, LOCATED AT 37°05’12”N 126°59’53”E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0451/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:42 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 128 FT MSL CRANE .69NM W OF RWY 09R APPROACH END, LOCATED AT 37°05’17”N 127°00’00” E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0450/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:41 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 114 FT MSL CRANE .67NM WSW OF RWY 09R APPROACH END, LOCATED AT 37°5'7 N, 127°0'4 E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0449/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:40 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 118 FT MSL CRANE .48NM WSW OF RWY 09R APPROACH END, LOCATED AT 37°5'8 N, 127°0'19 E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0448/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:39 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 116 FT MSL CRANE .55NM W OF RWY 09R APPROACH END, LOCATED AT 37°4'59 N, 127°0'20 E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0447/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:39 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 110 FT MSL CRANE .46NM W OF RWY 09R APPROACH END, LOCATED AT 37°5'3 N, 127°0'26 E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0446/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:38 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 110 FT MSL CRANE .77NM W OF RWY 09R APPROACH END, LOCATED AT 37°4'37 N, 127°0'35 E, INCURS A LOW CLOSE END OBSTRUCTION.
QXXXX
NOTAM: M0445/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 30, 2026 02:37 UTC
Expires
Apr 30, 2026 14:59 UTC
NOTAM Description
CAUTION! 129 FT MSL CRANE .95NM SW OF RWY 09R APPROACH END, LOCATED AT 37°4'52 N, 126°59'50 E, INCURS A LOW CLOSE END OBSTRUCTION.
QLYAS
NOTAM: M0426/26 | Q-Code: QLYAS | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Mar 25, 2026 15:49 UTC
Expires
Jun 21, 2026 23:00 UTC
NOTAM Description
TWY G EDGE LIGHTS BTWN RWYS UNSERVICEABLE
QLYAS
NOTAM: M0272/26 | Q-Code: QLYAS | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Feb 28, 2026 12:55 UTC
Expires
May 28, 2026 23:00 UTC
NOTAM Description
TWY E EDGE LGT UNSERVICEABLE
QXXXX
NOTAM: M0223/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Feb 24, 2026 23:31 UTC
Expires
Apr 30, 2026 23:59 UTC
NOTAM Description
BASE OPS RAMP OBSTRUCTION LIGHTS UNSERVICEABLE
QXXXX
NOTAM: L0002/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Feb 17, 2026 00:10 UTC
Expires
May 17, 2026 15:00 UTC
NOTAM Description
INBOUND WIDE BODY/HEAVY AIRCRAFT TRANSITING THROUGH OSAN AB WILL EXPECT NO MORE THAN 100K LBS OF FUEL OR PLAN FOR A GROUND TIME OF 5+ HOURS BETWEEN THE HOURS OF 0900-1900L MONDAY-FRIDAY ASIDE FROM FEDERAL HOLIDAYS
QLAAS
NOTAM: M0182/26 | Q-Code: QLAAS | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Feb 13, 2026 18:24 UTC
Expires
May 13, 2026 23:00 UTC
NOTAM Description
APPROACH LIGHTING SYSTEM CENTERLINE LIGHTS RWY 27L UNSERVICEABLE
QXXXX
NOTAM: M0137/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Feb 2, 2026 04:13 UTC
Expires
May 1, 2026 14:59 UTC
NOTAM Description
CAUTION! PERSONNEL AND EQUIPMENT WORKING .03NM (154 FT) NORTH OF THE 27R OVERRUN BETWEEN 37°5'29.10" N, 127°0'41.1" E AND 37°5'31.1" N, 127°0'50.4" E 20 DEC 25 – 04 FEB 25, 0730 – 1630L DAILY
QXXXX
NOTAM: M0100/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Jan 25, 2026 15:16 UTC
Expires
Apr 23, 2026 23:59 UTC
NOTAM Description
C DIAMOND EDGE LGT UNAVAILABLE
QLYAS
NOTAM: M0097/26 | Q-Code: QLYAS | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
ACTIVE
Effective From
Jan 25, 2026 15:10 UTC
Expires
Apr 23, 2026 23:59 UTC
NOTAM Description
TWY E EDGE LGT UNSERVICEABLE
QXXXX
NOTAM: M0043/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Jan 15, 2026 07:59 UTC
Expires
Apr 14, 2026 23:50 UTC
NOTAM Description
RWY 27R PAPI UNSERVICEABLE
QXXXX
NOTAM: M0010/26 | Q-Code: QXXXX | Priority: 5
AD NOTAM
Airport/Aerodrome
RKSO
Effective From
Jan 10, 2026 04:54 UTC
Expires
Apr 1, 2026 23:59 UTC
NOTAM Description
AIR CREW REQUESTING DEICING SERVICES MUST REQUEST 0130 HOUR PRIOR TO ARRIVAL WITH TA. NO ANTI ICE SERVICE AVAILABLE.

Understanding NOTAMs

NOTAM Format

  • A) Location identifier
  • B) Effective date/time
  • C) Expiry date/time
  • E) NOTAM text description
  • Q) Coded information

Data Sources

  • • FAA Defense Internet NOTAM Service
  • • International NOTAM exchange
  • • National aviation authorities
  • • Real-time updates every 15 minutes
  • • Automatic expiry processing