KONT NOTAMs

From 6 Aug 2026 1300Z to 6 Aug 2026 2200Z · NOTAM 08/019 · ICAO A1578/26

SVC MBST/WS DETECTION SYSTEM NOT AVBL

!ONT 08/019 ONT SVC MBST/WS DETECTION SYSTEM NOT AVBL 2608061300-2608062200

From 4 Aug 2025 2112Z until further notice · NOTAM 08/006

SVC ATIS 909-605-0056 NOW 909-472-0786

!ONT 08/006 ONT SVC ATIS 909-605-0056 NOW 909-472-0786 2508042112-PERM

From 7 Aug 2026 1430Z to 8 Aug 2026 0030Z · NOTAM 08/022 · ICAO A1581/26

RWY 08R/26L CLSD

!ONT 08/022 ONT RWY 08R/26L CLSD 2608071430-2608080030

From 10 Aug 2026 1430Z to 11 Aug 2026 0030Z · NOTAM 08/023 · ICAO A1582/26

RWY 08R/26L CLSD

!ONT 08/023 ONT RWY 08R/26L CLSD 2608101430-2608110030

From 23 Jul 2026 1300Z to 1 Sep 2026 2359Z · NOTAM 07/045

RWY 08L/26R CL MARKINGS E SIDE OBSC

!ONT 07/045 ONT RWY 08L/26R CL MARKINGS E SIDE OBSC 2607231300-2609012359

From 23 Jul 2026 1300Z to 1 Sep 2026 2359Z · NOTAM 07/046

RWY 08R/26L CL MARKINGS E SIDE OBSC

07/046 NOTAMN 
Q) KZLA/QMMXX/V/M/A/000/999/3403N11736W005 
A) KONT 
B) 2607231300 
C) 2609012359 

E) RWY 08R/26L CL MARKINGS E SIDE OBSC

From 16 Mar 2026 1500Z to 13 Aug 2026 2359Z · NOTAM 03/079 · ICAO A0749/26

TWY Q BTN RWY 08R/26L AND TWY S CLSD

03/079 NOTAMN 
Q) KZLA/QMXLC/IV/M/A/000/999/3403N11736W005 
A) KONT 
B) 2603161500 
C) 2608132359 

E) TWY Q BTN RWY 08R/26L AND TWY S CLSDTWY SRSTRCTN>0? TO|

From 16 Mar 2026 1500Z to 13 Aug 2026 2359Z · NOTAM 03/078 · ICAO A0748/26

TWY T CLSD

03/078 NOTAMN 
Q) KZLA/QMXLC/IV/M/A/000/999/3403N11736W005 
A) KONT 
B) 2603161500 
C) 2608132359 

E) TWY T CLSD

From 14 Apr 2026 2044Z to 13 Aug 2026 2359Z · NOTAM 04/053 · ICAO A0989/26

TWY S BTN TWY W AND TWY S8 CLSD

04/053 NOTAMR 
Q) KZLA/QMXLC/IV/M/A/000/999/3403N11736W005 
A) KONT 
B) 2604142044 
C) 2608132359 

E) TWY S BTN TWY W AND TWY S8 CLSDTWY S8RSTRCTN>0? TO|

From 14 Apr 2026 2125Z to 13 Aug 2026 2359Z · NOTAM 04/055 · ICAO A0993/26

TWY S5 CLSD

04/055 NOTAMN 
Q) KZLA/QMXLC/IV/M/A/000/999/3403N11736W005 
A) KONT 
B) 2604142125 
C) 2608132359 

E) TWY S5 CLSD

From 14 Apr 2026 2119Z to 13 Aug 2026 2359Z · NOTAM 04/054 · ICAO A0992/26

TWY U BTN RWY 08R/26L AND TWY S CLSD

04/054 NOTAMN 
Q) KZLA/QMXLC/IV/M/A/000/999/3403N11736W005 
A) KONT 
B) 2604142119 
C) 2608132359 

E) TWY U BTN RWY 08R/26L AND TWY S CLSDTWY SRSTRCTN>0? TO|

From 6 Aug 2026 1300Z to 6 Aug 2026 2200Z · NOTAM 08/020 · ICAO A1577/26

SVC TAR/SSR U/S

!ONT 08/020 ONT SVC TAR/SSR U/S 2608061300-2608062200

From 7 Aug 2026 1700Z to 7 Aug 2026 1900Z · NOTAM 08/027

NAV ILS RWY 26R U/S

!ONT 08/027 ONT NAV ILS RWY 26R U/S 2608071700-2608071900

From 7 Aug 2026 1700Z to 7 Aug 2026 1900Z · NOTAM 08/028

NAV ILS RWY 08L U/S

!ONT 08/028 ONT NAV ILS RWY 08L U/S 2608071700-2608071900

From 15 Apr 2026 2229Z to 15 Nov 2027 2111Z (estimated) · NOTAM 04/062 · ICAO A1007/26

NAV ILS RWY 26L IM U/S

04/062 NOTAMR 
Q) KZLA/QICAS/IV/NBO/A/000/999/3403N11736W025 
A) KONT 
B) 2604152229 
C) 2711152111EST 

E) ILS RWY 26L IM U/S

From 30 Mar 2026 1320Z to 1 Dec 2027 1318Z (estimated) · NOTAM 6/5716 · ICAO A0883/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. ILS RWY 26L (CAT II-III), AMDT 9 ... S-ILS 26L CAT II MINIMUMS NA EXCEPT FOR AIRCRAFT EQUIPPED WITH RADIO ALTIMETER. I-TWO INNER MARKER OUT OF SERVICE. 2603301320-2712011318EST

Q) KZLA/QXXXX/I/NBO/A/000/999/3403N11736W025
A) KONT
B) 2603301320
C) 2712011318EST
E) IAP ONTARIO INTL, ONTARIO, CA.
ILS RWY 26L (CAT II-III), AMDT 9 ...
S-ILS 26L CAT II MINIMUMS NA EXCEPT FOR AIRCRAFT EQUIPPED WITH RADIO ALTIMETER. I-TWO INNER MARKER OUT OF SERVICE.

From 6 Aug 2026 1500Z to 6 Aug 2026 2200Z · NOTAM 08/016

NAV ILS RWY 26L CAT II NA

!ONT 08/016 ONT NAV ILS RWY 26L CAT II NA 2608061500-2608062200

From 25 Jun 2026 0734Z to 30 Dec 2026 2359Z · NOTAM 06/074 · ICAO A1387/26

NAV ILS RWY 26R CAT II/III NA

06/074 NOTAMN 
Q) KZLA/QXXXX/IV/NBO/A/000/999/3403N11736W025 
A) KONT 
B) 2606250734 
C) 2612302359 

E) ILS RWY 26R CAT II/III NOT AUTH

From 25 Jun 2026 0741Z to 30 Dec 2026 2359Z · NOTAM 06/075 · ICAO A1388/26

RWY 26R ALS U/S

06/075 NOTAMN 
Q) KZLA/QLAAS/IV/NBO/A/000/999/3403N11736W005 
A) KONT 
B) 2606250741 
C) 2612302359 
E) RWY 26R HIGH INTST ALS WITH SEQUENCE FLASHER U/S

From 27 Jul 2026 0055Z to 11 Aug 2026 0055Z · NOTAM 07/058

OBST POWER LINE LGT (ASN 2020-AWP-4434-OE) 341041N1172634W (10.6NM NE ONT) 2199FT (234FT AGL) U/S

!ONT 07/058 ONT OBST POWER LINE LGT (ASN 2020-AWP-4434-OE) 341041N1172634W (10.6NM NE ONT) 2199FT (234FT AGL) U/S 2607270055-2608110055

From 29 Jul 2026 0801Z to 13 Aug 2026 0801Z · NOTAM 07/070

OBST POWER LINE LGT (ASN 2019-AWP-6979-OE) 340559N1173116W (4.7NM ENE ONT) 1389FT (238FT AGL) U/S

!ONT 07/070 ONT OBST POWER LINE LGT (ASN 2019-AWP-6979-OE) 340559N1173116W (4.7NM ENE ONT) 1389FT (238FT AGL) U/S 2607290801-2608130801

From 1 Aug 2026 1322Z to 16 Aug 2026 1322Z · NOTAM 08/001

OBST POWER LINE LGT (ASN 2020-AWP-4404-OE) 340140N1173317W (2.9NM SE ONT) 1047FT (227FT AGL) U/S

!ONT 08/001 ONT OBST POWER LINE LGT (ASN 2020-AWP-4404-OE) 340140N1173317W (2.9NM SE ONT) 1047FT (227FT AGL) U/S 2608011322-2608161322

From 5 Aug 2026 2041Z to 20 Aug 2026 2041Z · NOTAM 08/018

OBST POWER LINE LGT (ASN 2019-AWP-6978-OE) 340611N1173110W (4.9NM NE ONT) 1401FT (231FT AGL) U/S

!ONT 08/018 ONT OBST POWER LINE LGT (ASN 2019-AWP-6978-OE) 340611N1173110W (4.9NM NE ONT) 1401FT (231FT AGL) U/S 2608052041-2608202041

From 6 Aug 2026 2015Z to 21 Aug 2026 2015Z · NOTAM 08/026

OBST POWER LINE LGT (ASN 2020-AWP-4418-OE) 340318N1173143W (3.6NM E ONT) 1182FT (244FT AGL) U/S

!ONT 08/026 ONT OBST POWER LINE LGT (ASN 2020-AWP-4418-OE) 340318N1173143W (3.6NM E ONT) 1182FT (244FT AGL) U/S 2608062015-2608212015

From 30 Jul 2026 1926Z to 28 Oct 2026 1926Z · NOTAM 07/077

OBST TOWER LGT (ASR 1279071) 340451.30N1173607.30W (1.5NM N ONT) 1103.7FT (70.9FT AGL) U/S

!ONT 07/077 ONT OBST TOWER LGT (ASR 1279071) 340451.30N1173607.30W (1.5NM N ONT) 1103.7FT (70.9FT AGL) U/S 2607301926-2610281926

From 23 Jul 2026 2200Z to 7 Aug 2026 2200Z · NOTAM 07/047

OBST POWER LINE LGT (ASN 2020-AWP-4418-OE) 340318N1173143W (3.6NM E ONT) 1182FT (244FT AGL) U/S

!ONT 07/047 ONT OBST POWER LINE LGT (ASN 2020-AWP-4418-OE) 340318N1173143W (3.6NM E ONT) 1182FT (244FT AGL) U/S 2607232200-2608072200

From 9 Jun 2026 0056Z to 9 Sep 2026 2359Z · NOTAM 06/024

OBST WIND TURBINE (ASN UNKNOWN) 340505N1173135W (4.5NM NE ONT) 1360FT (280FT AGL) NOT LGTD

!ONT 06/024 ONT OBST WIND TURBINE (ASN UNKNOWN) 340505N1173135W (4.5NM NE ONT) 1360FT (280FT AGL) NOT LGTD 2606090056-2609092359

From 23 Mar 2026 2323Z to 1 Nov 2026 0001Z · active MON-FRI SR-SS · NOTAM 03/128

OBST RIG (ASN UNKNOWN) 340317N1173457W (0.04NM S ONT) 950FT (25FT AGL) FLAGGED MON-FRI SR-SS

03/128 NOTAMN 
Q) KZLA//IV/M//000//3403N11736W005 
A) KONT 
B) 2603232323 
C) 2611010001 
 D) MON-FRI SR-SS 
E) RIG LGT (ASN UNKNOWN) 340317N1173457W ( 0.04NM S (ONTICAO))( 950FT) ( 25FT AGL) FLAGGED

From 16 Mar 2026 1300Z to 1 Nov 2026 0001Z · NOTAM 03/087

OBST TOWER (ASN UNKNOWN) 340255N1173610W (0.25NM S ONT) 963FT (66FT AGL) FLAGGED AND LGTD

03/087 NOTAMN 
Q) KZLA//IV/M//000//3403N11736W005 
A) KONT 
B) 2603161300 
C) 2611010001 
E) TOWER LGT (ASN UNKNOWN) 340255N1173610W ( 0.25NM S (ONTICAO))( 963FT) ( 66FT AGL) FLAGGED AND LGTD

From 5 Aug 2026 1600Z to 12 Aug 2026 1505Z · NOTAM 6/1582 · ICAO A1565/26 · FDC

SID ONTARIO INTL, ONTARIO, CA. NIKKL ONE DEPARTURE... THERMAL TRANSITION: DME REQUIRED EXCEPT FOR AIRCRAFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS, JLI VORTAC OUT OF SERVICE. 2608051600-2608121505EST

Q) KZLA/QPDCH/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2603220659
C) 2611010659EST
E) ONT ONTARIO INTL, ONTARIO, CA.
NIKKL ONE DEPARTURE...
THERMAL TRANSITION: DME REQUIRED EXCEPT FOR AIRCRAFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
JLI VORTAC U/S.

From 24 Feb 2026 1726Z to 14 Aug 2026 2355Z · NOTAM 6/9369 · ICAO A0542/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. ILS OR LOC RWY 26L, AMDT 9... ILS OR LOC RWY 26R, AMDT 6... ILS RWY 26L (CAT II-III), AMDT 9... ILS RWY 26R (CAT II-III), AMDT 6... RADAR REQUIRED FOR PROCEDURE ENTRY EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS, HDF VOR OUT OF SERVICE. 2602241726-2608142355EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2402141533
C) 2409251531EST
E) ONT ONTARIO INTL, ONTARIO, CA.
ILS OR LOC RWY 26L, AMDT 9...
ILS OR LOC RWY 26R, AMDT 6...
ILS RWY 26L (CAT II-III), AMDT 9...
ILS RWY 26R (CAT II-III), AMDT 6...
RADAR REQUIRED FOR PROCEDURE ENTRY EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
HDF VOR U/S.

From 6 Mar 2026 1724Z to 16 Oct 2026 1724Z (estimated) · NOTAM 6/4719 · ICAO A0671/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. RNAV (GPS) Y RWY 26R, AMDT 3... LNAV/VNAV DA 1457/HAT 525. LNAV MDA 1560/HAT 628 ALL CATS, VIS CAT C/D 1 3/8. CIRCLING MDA 1560/HAA 616 ALL CATS, VIS CAT C 1 3/4. TEMPORARY CRANE 1246 MSL 3791 FT NE OF RWY 26R (2025-AWP-4059-OE). 2603061724-2610161724EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2603061720
C) 2610161720EST
E) ONT ONTARIO INTL, ONTARIO, CA.
RNAV (GPS) Y RWY 26R, AMDT 3...
LNAV/VNAV DA 1457/HAT 525.
LNAV MDA 1560/HAT 628 ALL CATS, VIS CAT C/D 1 3/8.
CIRCLING MDA 1560/HAA 616 ALL CATS, VIS CAT C 1 3/4.
TEMPORARY CRANE 1246 MSL 3791 FT NE OF RWY 26R (2025-AWP-4059-OE).

From 6 Mar 2026 1724Z to 16 Oct 2026 1724Z (estimated) · NOTAM 6/4725 · ICAO A0674/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. RNAV (RNP) Z RWY 26L, AMDT 3... RNP 0.30 DA 1444/HAT 518 VIS 5500 ALL CATS. TEMPORARY CRANE 4460 FT NE OF RWY 26L (1246 MSL 2025-AWP-4059-OE). 2603061724-2610161724EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2603061722
C) 2610161722EST
E) ONT ONTARIO INTL, ONTARIO, CA.
RNAV (RNP) Z RWY 26L, AMDT 3...
RNP 0.30 DA 1444/HAT 518 VIS 5500 ALL CATS.
TEMPORARY CRANE 4460 FT NE OF RWY 26L (1246 MSL 2025-AWP-4059-OE).

From 6 Mar 2026 1724Z to 16 Oct 2026 1724Z (estimated) · NOTAM 6/4723 · ICAO A0673/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. RNAV (GPS) Y RWY 26L, AMDT 3... LNAV/VNAV DA 1457/HAT 531, VIS RVR 5500. LNAV MDA 1520/HAT 594 ALL CATS, VIS CAT C/D 1 1/4. CIRCLING CATS A/B/C MDA 1520/HAA 576, VIS CAT C 1 3/4. FOR INOP ALS, INCREASE LNAV CAT C/D VISIBLITY OT 1 3/4 SM. TEMPORARY CRANE 1246 MSL 4460FT NE OF RWY 26L (2025-AWP-4059-OE). 2603061724-2610161724EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2603061721
C) 2610161721EST
E) ONT ONTARIO INTL, ONTARIO, CA.
RNAV (GPS) Y RWY 26L, AMDT 3...
LNAV/VNAV DA 1457/HAT 531, VIS RVR 5500.
LNAV MDA 1520/HAT 594 ALL CATS, VIS CAT C/D 1 1/4.
CIRCLING CATS A/B/C MDA 1520/HAA 576, VIS CAT C 1 3/4.
FOR INOP ALS, INCREASE LNAV CAT C/D VISIBLITY OT 1 3/4 SM.
TEMPORARY CRANE 1246 MSL 4460FT NE OF RWY 26L (2025-AWP-4059-OE).

From 6 Mar 2026 1724Z to 16 Oct 2026 1724Z (estimated) · NOTAM 6/4721 · ICAO A0672/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. RNAV (RNP) Z RWY 26R, AMDT 3... RNP 0.21 DA 1423/HAT 491 VIS RVR 5000. RNP 0.30 DA 1446/HAT 514 VIS RVR 5500. FOR INOP ALS, INCREASE RNP 0.21 AND RNP 0.30 VISIBILITY ALL CATS TO 1 3/8 SM. TEMPORARY CRANE 1246 MSL 4460 FT NE OF RWY 26L (2025-AWP-4059-OE). 2603061724-2610161724EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2603061721
C) 2610161720EST
E) ONT ONTARIO INTL, ONTARIO, CA.
RNAV (RNP) Z RWY 26R, AMDT 3...
RNP 0.21 DA 1423/HAT 491 VIS RVR 5000.
RNP 0.30 DA 1446/HAT 514 VIS RVR 5500.
FOR INOP ALS, INCREASE RNP 0.21 AND RNP 0.30 VISIBILITY ALL CATS TO 1 3/8 SM.
TEMPORARY CRANE 1246 MSL 4460 FT NE OF RWY 26L (2025-AWP-4059-OE).

From 21 May 2025 1722Z to 21 May 2027 1722Z (estimated) · NOTAM 5/3977 · ICAO A1230/25 · FDC

ODP ONTARIO INTL, ONTARIO, CA. TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES AMDT 9A... TAKEOFF MINIMUMS: RWY 8L STANDARD WITH MINIMUM CLIMB OF 470 FEET PER NM TO 6400. RWY 8R STANDARD WITH MINIMUM CLIMB OF 470 FEET PER NM TO 6400. RWY 26L STANDARD WITH MINIMUM CLIMB OF 300 FEET PER NM TO 6400. RWY 26R STANDARD WITH MINIMUM CLIMB OF 300 FEET PER NM TO 6400. ALL OTHER DATA REMAINS AS PUBLISHED. 2505211722-2705211722EST

Q) KZLA/undefined/NBO/A/000/999/3403N11736W005
A) KONT
B) 2505121815
C) 2512221815EST
E) ONT ONTARIO INTL, ONTARIO, CA.
TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES AMDT 9A...
TAKEOFF MINIMUMS: RWY 8L STANDARD WITH MINIMUM CLIMB OF 470 FEET PER NM TO 6400.
RWY 8R STANDARD WITH MINIMUM CLIMB OF 470 FEET PER NM TO 6400.
RWY 26L STANDARD WITH MINIMUM CLIMB OF 300 FEET PER NM TO 6400.
RWY 26R STANDARD WITH MINIMUM CLIMB OF 300 FEET PER NM TO 6400.
ALL OTHER DATA REMAINS AS PUBLISHED.

From 27 Feb 2026 2049Z to 28 Feb 2028 2049Z (estimated) · NOTAM 6/1336 · ICAO A0583/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. RNAV (RNP) Z RWY 26R, AMDT 3... RNP 0.30 DA 1382/HAT 450 ALL CATS. RVR 4500 ALL CATS. RNP 0.21 DA 1304/HAT 372 ALL CATS. CHANGE PLANVIEW NOTE: PROCEDURE NA FOR ARRIVAL ON PDZ VORTAC AIRWAY RADIALS 012 CW 130. 2602272049-2802282049EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2602272015
C) 2610092014EST
E) ONT ONTARIO INTL, ONTARIO, CA.
RNAV (RNP) Z RWY 26R, AMDT 3...
RNP 0.30 DA 1382/HAT 450 ALL CATS.  RVR 4500 ALL CATS.  RNP 0.21 DA 1304/HAT 372 ALL CATS.
CHANGE PLANVIEW NOTE: PROCEDURE NA FOR ARRIVAL ON PDZ VORTAC AIRWAY RADIALS 012 CW 130.

From 27 Feb 2026 2052Z to 28 Feb 2028 2052Z (estimated) · NOTAM 6/1339 · ICAO A0584/26 · FDC

IAP ONTARIO INTL, ONTARIO, CA. RNAV (RNP) Z RWY 26L, AMDT 3... RNP 0.30 DA 1380/HAT 454 ALL CATS. RVR 4500 ALL CATS. CHANGE PLANVIEW NOTE: PROCEDURE NA FOR ARRIVAL ON PDZ VORTAC AIRWAY RADIALS 012 CW 130. 2602272052-2802282052EST

Q) KZLA/QPIXX/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2602271929
C) 2610091926EST
E) ONT ONTARIO INTL, ONTARIO, CA.
RNAV (RNP) Z RWY 26L, AMDT 3...
RNP 0.30 DA 1380/HAT 454 ALL CATS. RVR 4500 ALL CATS.
CHANGE PLANVIEW NOTE: PROCEDURE NA FOR ARRIVAL ON PDZ VORTAC AIRWAY RADIALS 012 CW 130.

From 7 May 2026 1521Z to 8 May 2028 1521Z (estimated) · NOTAM 6/8699 · ICAO A1136/26 · FDC

SID ONTARIO INTL, ONTARIO, CA. POMONA ONE DEPARTURE... AVENAL TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS. GMN VOR R-310 RESTRICTED. 2605071521-2805081521EST

Q) KZLA/QPDCH/I/NBO/A/000/999/3403N11736W005
A) KONT
B) 2405071724
C) 2412171724EST
E) ONT ONTARIO INTL, ONTARIO, CA.
POMONA ONE DEPARTURE...
AVENAL TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS.
GMN VOR R-310 RESTRICTED.