KORD NOTAMs in plain English

70 notices active now or starting within 24 hours at Chicago O'Hare International Airport, most important first. Checked with the FAA at 7:16 pm CT. Translations are automatic; the FAA text under each one is the authority.

Runway (11)Navaid (19)Taxiway (18)Lighting (4)Procedure (5)Obstacle (5)Apron (6)Services (1)Other (1)

Runway 11

Runways 04L and 22R are closed except for taxiing.
Runway, until 6:00 am CT
FAA text
```
10/870 RWY 04L/22R CLSD EXC TAX
```
Centerline markings on runway 10C/28C are obscured.
Runway, until November 5
FAA text
```
10/687 RWY 10C/28C CL MARKINGS OBSC
```
The safety area on runway 10L/28R between taxiway EE and taxiway GG, on the north side, has an irregular surface.
Runway, until November 9
FAA text
```
10/663 RWY 10L/28R SAFETY AREA BTN TWY EE AND TWY GG N SIDE IRREGULAR SFC
```
The safety area on runway 10L/28R between taxiway DD and taxiway N1, on the north side, has an irregular surface.
Runway, until November 9
FAA text
```
10/662 RWY 10L/28R SAFETY AREA BTN TWY DD AND TWY N1 N SIDE IRREGULAR SFC
```
Runway 10L/28R has an irregular surface in the safety area at the south side approach end.
Runway, until October 30
FAA text
```
10/572 RWY 10L/28R SAFETY AREA IRREGULAR SURFACE S SIDE APCH END
```
The safety area on the north side of runway 10R/28L between taxiways W4 and W5 is irregular.
Runway, until November 26
FAA text
```
10/818 RWY 10R/28L SAFETY AREA IRREGULAR SFC N SIDE BTN TWY W4 AND TWY W5
```
Runway 09C/27C centerline markings are obscured.
Runway, until October 31
FAA text
```
10/351 RWY 09C/27C CL MARKINGS OBSC
```
Runway 10R/28L centerline markings are obscured.
Runway, until October 31
FAA text
```
09/965 RWY 10R/28L CL MARKINGS OBSC
```
Runway 04L/22R east side safety area between Taxiway D and Taxiway M has an irregular surface.
Runway, until October 31
FAA text
```
09/959 RWY 04L/22R SAFETY AREA E SIDE BTN TWY D AND TWY M IRREGULAR SFC
```
Runway 09L/27R centerline markings are obscured.
Runway, until October 30
FAA text
```
09/940 RWY 09L/27R CL MARKINGS OBSC
```
Runway 09R/27L safety area south side between Runway 04L/22R and Taxiway M has an irregular surface.
Runway, until October 27
FAA text
```
09/920 RWY 09R/27L SAFETY AREA IRREGULAR SFC S SIDE BTN RWY 04L/22R AND TWY M
```

Navaid 19

The glideslope for the ILS approach to runway 28R is out of service.
Navaid, from 11:00 pm CT until 1:00 am CT
FAA text
```
10/873 NAV ILS RWY 28R GP U/S
```
The glideslope for the ILS approach to runway 28R is out of service.
Navaid, from 11:00 pm CT until 1:00 am CT
FAA text
```
A2163/26 ORD NAV ILS RWY 28R GP U/S
```
The ILS for runway 09C is out of service.
Navaid, from 10:00 pm CT until 4:00 am CT
FAA text
```
10/690 NAV ILS RWY 09C U/S
```
The ILS approach to runway 27C is out of service at the inner marker.
Navaid, until November 22
FAA text
```
06/653 NAV ILS RWY 27C IM U/S
```
Localizer for runway 28L at Chicago O'Hare is out of service.
Navaid, until December 31
FAA text
```
06/054 NAV ILS RWY 28L IM U/S
```
The ILS approach to runway 27R is out of service at the inner marker.
Navaid, until October 24
FAA text
```
03/095 NAV ILS RWY 27R IM U/S
```
The ILS approach to runway 28R is out of service at the inner marker.
Navaid, until December 31
FAA text
```
01/867 NAV ILS RWY 28R IM U/S
```
The ILS approach to runway 28C is out of service at the inner marker.
Navaid, until December 31
FAA text
```
01/866 NAV ILS RWY 28C IM U/S
```
The ILS approach to runway 27L is out of service at the inner marker.
Navaid, until December 31
FAA text
```
01/865 NAV ILS RWY 27L IM U/S
```
The ILS approach to runway 10R is out of service at the inner marker.
Navaid, until December 30
FAA text
```
01/864 NAV ILS RWY 10R(Z) IM U/S
```
Localizer for runway 10L at Chicago O'Hare is out of service.
Navaid, until December 30
FAA text
```
01/863 NAV ILS RWY 10L IM U/S
```
The ILS approach to runway 10C is out of service at the inner marker.
Navaid, until December 31
FAA text
```
12/339 NAV ILS RWY 10C IM U/S
```
The ILS approach to runway 09C is out of service at the inner marker.
Navaid, until December 31
FAA text
```
12/337 NAV ILS RWY 09C IM U/S
```
The ILS approach to runway 09L is out of service at the inner marker.
Navaid, until December 31
FAA text
```
12/336 NAV ILS RWY 09L IM U/S
```
Instrument landing system for runway 09R is out of service.
Navaid, until December 31
FAA text
```
12/117 NAV ILS RWY 09R IM U/S
```

ILS Z approach to runway 10R has Category I and special Category II and III approaches not authorized. Temporary cranes up to 846 feet MSL, 1808 feet southeast of the runway.

Navaid, until November 9

FAA text

6/4381 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. ILS Z RWY 10R (SA CAT I), ORIG-C ... ILS Z RWY 10R (SA CAT II AND III), ORIG-C ... PROCEDURE NA. TEMPORARY CRANES, UP TO 846 MSL, 1808FT SE OF RWY 10R (2024-AGL-15026 THRU 15039-NRA)

ILS approach to runway 9C (CAT II-III) amended. The OYG localizer for runway 9C is unusable for rollout guidance.
Navaid, until February 18
FAA text
```
6/4301 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. ILS RWY 9C (CAT II-III), AMDT ORIG-B ... NOTE: OYG ILS LLZ RWY 9C UNUSABLE FOR ROLLOUT GUIDANCE
```

ILS Z or localizer Z approach to runway 10R amended with DA 945 feet and RVR 2000 for all categories. Temporary cranes up to 846 feet MSL southeast of the runway.

Navaid, until November 9

FAA text

6/4382 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. ILS Z OR LOC Z RWY 10R, ORIG-C... S-ILS 10R DA 945/HAT 265 ALL CATS. VIS RVR 2000 ALL CATS. TEMPORARY CRANES, UP TO 846 MSL, 1808FT SE OF RWY 10R (2024-AGL-15026 THRU 15039-NRA)

ILS or localizer approach to runway 9L amended for Category I, II and III. The VGSI and ILS glidepath are not coincident (VGSI angle 3.00 degrees, TCH 69 feet).

Navaid, until May 14

FAA text

6/0331 IAP CHICAGO O'HARE INTL, CHICAGO, IL. ILS OR LOC RWY 9L, AMDT 4B... ILS RWY 9L SA CAT I, AMDT 4B... ILS RWY 9L CAT II/III, AMDT 4B... PROFILE NOTE: VGSI AND ILS GLIDEPATH NOT COINCIDENT (VGSI ANGLE 3.00/TCH 69). 2605141253-2805141253EST

Taxiway 18

Taxiway T safety area between taxiway A and taxiway L is under work in progress with steel plates placed adjacent to the east side.
Taxiway, until November 23
FAA text
```
10/853 TWY T SAFETY AREA BTN TWY A AND TWY L WIP STEEL PLATES ADJ EAST SIDE
```
Taxiway A between taxiways A5 and A6 is affected by work in progress. Open excavation is adjacent to the south side, which is lighted and barricaded.
Taxiway, until November 20
FAA text
```
10/777 TWY A BTN TWY A5 AND TWY A6 WIP OPEN EXCAVATION ADJ SOUTH SIDE LGTD AND BARRICADED
```
Taxiway SS between taxiway SS1 and taxiway A has work in progress with an open excavation on the east side. It is lighted and barricaded.
Taxiway, until November 3
FAA text
```
10/622 TWY SS BTN TWY SS1 AND TWY A WIP OPEN EXCAVATION ADJ EAST SIDE LGTD AND BARRICADED
```
The safety area on the east side of taxiway A9, between taxiways A and B, has irregular surface conditions.
Taxiway, until January 31
FAA text
```
10/583 TWY A9 SAFETY AREA BTN TWY A AND TWY B EAST SIDE IRREGULAR SFC
```
Taxiway F between taxiway S and taxiway S3 is closed.
Taxiway, until December 31
FAA text
```
10/300 TWY F BTN TWY S AND TWY S3 CLSD
```
Taxiway A between Taxiway A17 and Taxiway TT has work in progress with an open excavation adjacent to the west side, which is lighted and barricaded.
Taxiway, until October 31
FAA text
```
10/082 TWY A BTN TWY A17 AND TWY TT WIP OPN EXCAVATION ADJ WEST SIDE LGTD AND BARRICADED
```
Taxiway B between Taxiway A16 and Taxiway B hold pad has work in progress with an open excavation adjacent to the west side, which is lighted and barricaded.
Taxiway, until October 31
FAA text
```
09/963 TWY B BTN TWY A16 AND TWY B HOLD PAD WIP OPN EXCAVATION ADJ WEST SIDE LGTD AND BARRICADED
```
Taxiway DD between Taxiway A and Taxiway B is closed to aircraft with wingspan over 118 feet.
Taxiway, until October 31
FAA text
```
09/957 TWY DD BTN TWY A AND TWY B CLSD TO ACFT WINGSPAN MORE THAN 118FT
```
Taxiway A2 between Taxiway A and Taxiway B is closed to aircraft with wingspan over 118 feet.
Taxiway, until October 31
FAA text
```
09/956 TWY A2 BTN TWY A AND TWY B CLSD TO ACFT WINGSPAN MORE THAN 118FT
```
Taxiway A between Taxiway CC and Taxiway T is closed to aircraft with wingspan over 118 feet.
Taxiway, until October 31
FAA text
```
09/954 TWY A BTN TWY CC AND TWY T CLSD TO ACFT WINGSPAN MORE THAN 118FT
```
Taxiway DD between runway 10L/28R and taxiway P has work in progress with an open excavation on the east side. It is lighted and barricaded.
Taxiway, until October 27
FAA text
```
09/861 TWY DD BTN RWY 10L/28R AND TWY P WIP OPEN EXCAVATION ADJ EAST SIDE LGTD AND BARRICADED
```
Taxiway RR between taxiway KK and taxiway S is closed.
Taxiway, until November 25
FAA text
```
09/500 TWY RR BTN TWY KK AND TWY S CLSD
```
Taxiway S between taxiway S2 and taxiway RR is closed.
Taxiway, until November 25
FAA text
```
09/501 TWY S BTN TWY S2 AND TWY RR CLSD
```
Taxiway S2 is a nonmovement area.
Taxiway, until December 14
FAA text
```
10/349 TWY S2 NONMOVEMENT AREA
```
Taxiway N safety area between taxiway N6 and taxiway V4, north side, has an irregular surface.
Taxiway, until November 7
FAA text
```
10/260 TWY N SAFETY AREA BTN TWY N6 AND TWY V4 NORTH SIDE IRREGULAR SFC
```
Taxiway LL safety area between taxiway B and taxiway EE, south side, has an irregular surface.
Taxiway, until November 7
FAA text
```
10/259 TWY LL SAFETY AREA BTN TWY B AND TWY EE SOUTH SIDE IRREGULAR SFC
```
Taxiway RR safety area between taxiway F and taxiway HH, south side, has an irregular surface.
Taxiway, until November 6
FAA text
```
10/211 TWY RR SAFETY AREA BTN TWY F AND TWY HH SOUTH SIDE IRREGULAR SFC
```
Taxiway A16 safety area north side has an irregular surface.
Taxiway, until October 30
FAA text
```
09/946 TWY A16 SAFETY AREA NORTH SIDE IRREGULAR SFC
```

Lighting 4

The takeoff hold lights on runway 28R are out of service.
Lighting, until December 29
FAA text
```
08/111 RWY 28R TKOF HOLD LGT U/S
```
Takeoff hold lights at array 2 on runway 28R are out of service.
Lighting, until December 29
FAA text
```
08/074 RWY 28R TKOF HOLD LGT AT ARRAY 2 U/S
```
Precision approach path indicator lights for runway 09L are out of service.
Lighting, until December 31
FAA text
```
12/335 RWY 09L PAPI U/S
```
PAPI visual glide path lights for runway 27R are out of service.
Lighting, until December 31
FAA text
```
12/334 RWY 27R PAPI U/S
```

Procedure 5

Adds takeoff obstacle notes for runway 22L: temporary cranes starting 2454 feet from the departure end, 1005 feet right of centerline, up to 125 feet AGL. Also temporary cranes starting 4639 feet from the departure end, 1041 feet right o...

Procedure, until June 1

FAA text

6/0734 ODP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES AMDT 23... ADD TAKEOFF OBSTACLE NOTES: RWY 22L, TEMPORARY CRANES BEGINNING 2454FT FROM DER, 1005FT RIGHT OF CENTERLINE, UP TO 125FT AGL/781FT MSL (2025-AGL-8187-OE).TEMPORARY CRANES BEGINNING 4639FT FROM DER, 1041FT RIGHT OF CENTERLINE, UP TO 120FT AGL/808FT MSL (2024-AGL-13320 TO 13324-OE). ALL OTHER DATA REMAINS AS PUBLISHED

Sets LNAV/VNAV minimums to 1129 ft MSL (468 ft HAT). RVR 5000 required. Visibility rises to 1 3/8 SM for all categories if ALS is out. Temporary cranes near the approach.

Procedure, until November 9

FAA text

6/0883 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. RNAV (GPS) RWY 4R, AMDT 1D... LNAV/VNAV DA 1129/HAT 468 ALL CATS. VISIBILITY RVR 5000 ALL CATS. FOR INOPERATIVE ALS, INCREASE LNAV/VNAV ALL CATS VISIBILITY TO 1 3/8 SM. FOR INOPERATIVE ALS, INCREASE LNAV CATS C/D VISIBILITY TO 1 3/8. TEMPORARY CRANE 788 MSL 5934FT SW OF RWY 4R (2024-AGL-13315-OE). TEMPORARY CRANE 845 MSL, 4873FT W OF RWY 4R (2024-AGL-15027/15028/15029-NRA). TEMPORARY CRANE 841 MSL 5090FT SW OF RWY 4R (2024-AGL-15030/31/32/33-NRA)

RNAV (GPS) Y approach to runway 10R amended with LNAV MDA 1160 feet and RVR 5000 for Category C and D. Visual descent point not available. Temporary cranes up to 846 feet MSL southeast of the runway.

Procedure, until March 8

FAA text

6/9281 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. RNAV (GPS) Y RWY 10R, ORIG-B... LNAV MDA 1160/HAT 480 ALL CATS, VIS CAT C/D RVR 5000. VDP NA. FOR INOP ALS, INCREASE LNAV/VNAV ALL CATS VISIBILITY AND LNAV CATS C/D VISIBILITY TO 1 3/8 SM. TEMPORARY CRANES, UP TO 846 MSL, 1808FT SE OF RWY 10R (2024-AGL-15036 THRU 15042-NRA)

RNAV (GPS) approach to runway 9L amended. The VGSI and RNAV glidepath are not coincident (VGSI angle 3.00 degrees, TCH 69 feet).
Procedure, until May 14
FAA text
```
6/0330 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. RNAV (GPS) RWY 9L, AMDT 4... PROFILE NOTE: VGSI AND RNAV GLIDEPATH NOT COINCIDENT (VGSI ANGLE 3.00/TCH 69)
```

Changes the LNAV/VNAV note: uncompensated baro-VNAV is not authorized below -19C or above 54C. VGSI and RNAV glidepath are not coincident.

Procedure, until August 25

FAA text

6/7713 IAP CHICAGO O&APOS;HARE INTL, CHICAGO, IL. RNAV (GPS) RWY 4R, AMDT 1D... PROFILE NOTE: VGSI AND RNAV GLIDEPATH NOT COINCIDENT (VGSI ANGLE 3.00/TCH 67). LNAV/VNAV DA 995/HAT 334 ALL CATS. CHANGE NOTE TO READ: FOR UNCOMPENSATED BARO-VNAV, LNAV/VNAV NA BELOW -19C OR ABOVE 54C

Obstacle 5

Obstacle tower with obstacle lights out of service, about 6.0 nautical miles south of the airport.
Obstacle, until December 5
FAA text
```
10/784 OBST TOWER LGT (ASN 2020-AGL-1577-OE) 415233N0875509W (6.0NM S ORD) 920FT (228FT AGL) U/S
```
Obstruction tower light near Chicago O'Hare, about 4.3 nautical miles north-northeast, is out of service.
Obstacle, until January 31
FAA text
```
10/041 OBST TOWER LGT (ASR 1009056) 420231.00N0875202.00W (4.3NM NNE ORD) 857.9FT (228.0FT AGL) U/S
```
Obstruction tower light near Chicago O'Hare, about 4.3 nautical miles north-northeast, is out of service.
Obstacle, until January 31
FAA text
```
10/040 OBST TOWER LGT (ASR 1009055) 420230.00N0875200.00W (4.3NM NNE ORD) 857.9FT (228.0FT AGL) U/S
```
Obstruction tower light near Chicago O'Hare, about 4.6 nautical miles south, is out of service.
Obstacle, until November 11
FAA text
```
09/849 OBST TOWER LGT (ASR UNKNOWN) 415355.00N0875509.00W (4.6NM S ORD) 922FT (249FT AGL) U/S
```

RNAV (GPS) Z approach to runway 10R amended with LPV minimums and RVR 2000 visibility for all categories. Temporary cranes up to 846 feet MSL southeast of the runway.

Obstacle, until November 9

FAA text

6/5972 IAP CHICAGO O'HARE INTL, CHICAGO, IL. RNAV (GPS) Z RWY 10R, ORIG-A... LPV DA 944/HAT 264 ALL CATS. VISIBILITY RVR 2000 ALL CATS. TEMPORARY CRANES, UP TO 846 MSL, BEGINNING 1808FT SE OF RWY 10R (2024-AGL-15026 THRU 15039-NRA)

Apron 6

Apron taxilane C2 is closed.
Apron, until October 31
FAA text
```
10/877 APRON TXL C2 CLSD
```
Taxiway C apron area is closed.
Apron, until October 31
FAA text
```
10/876 APRON TXL C CLSD
```
Apron taxilane C4 is closed.
Apron, until October 31
FAA text
```
10/878 APRON TXL C4 CLSD
```
Orchard apron pad is closed.
Apron, until October 31
FAA text
```
10/875 APRON ORCHARD PAD CLSD
```
Apron TXL A5 is closed to aircraft with wingspan greater than 167 feet.
Apron, until November 5
FAA text
```
10/154 APRON TXL A5 CLSD TO ACFT WINGSPAN MORE THAN 167FT
```
Apron C concourse west between Taxiway L and Gate C4 is closed to aircraft with wingspan over 118 feet.
Apron, until October 29
FAA text
```
09/136 APRON C CONCOURSE WEST BTN TWY L AND GATE C4 CLSD TO ACFT WINGSPAN MORE THAN 118FT
```

Services 1

Communications remote transmit/receive frequency changed from 351.675 to 340.200 MHz.
Services, until further notice
FAA text
```
10/820 COM REMOTE TRANS/REC 351.675 CHANGED TO 340.200
```

Other 1

Airport bird activity has increased, with geese and cranes reported.
Other, until November 30
FAA text
```
09/964 AD AP BIRD ACT INCREASED GEESE AND CRANES
```

ORD status, runways and weather What a NOTAM is