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KONT · Ontario International Airport

ICAO · US · 19 NTSB events

ID KONT FAA ONT Elev 944 ft Lat 34° 3.36' N Lon 117° 36.06' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

4 runway ends on file. Longest: 12,197 ft. Max gradient: 0.10%

Designator Heading Length Width Surface Lighting Gradient
08L 090° 12,197 ft 150 ft Concrete Yes —
26R 270° 12,197 ft 150 ft Concrete Yes —
08R 090° 10,200 ft 150 ft Concrete Yes —
26L 270° 10,200 ft 150 ft Concrete Yes —

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 5 frequencies

  • ATIS ATIS 124.250
  • CLD CLNC DEL 118.100
  • GND GND 121.900
  • TWR TWR 120.600
  • A/D SOCAL APP/DEP 119.650

Live ATC audio (streaming + archived): Open KONT on LiveATC ↗

  • NDB SB

    Petis

    0.40 MHz · TERMINAL · LOW

Chart Supplement remarks, plain English · cycle 22JAN2026 · 3 matched · 23 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Non-standard pattern direction on Runway 08L: right traffic. Watch for traffic from the opposite quadrant.
  • ·Non-standard pattern direction on Runway 08R–26L: right traffic. Watch for traffic from the opposite quadrant.
  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

Watch for

  • Non-standard pattern direction on Runway 08L: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Non-standard pattern direction on Runway 08R–26L: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

All translated remarks (3)

  • Non-standard pattern direction on Runway 08L: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · preamble · operational

    RWY 08L: MALSR. TDZL. PAPI(P4L)—GA 3.0º TCH 62´. RVR–TMR Thl…

  • Non-standard pattern direction on Runway 08R–26L: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · preamble · operational

    RWY 08R–26L: H10200X150 (CONC–GRVD) S–30, D–200, 2S–175, 2D–…

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · airport remarks · operational

    Wildlife hazard management plan in effect; potential bird hazards may exist on and invof arpt; be alert to large numbers of starlings and crows possible on approach to Rwy 26L and Rwy 26R, hawks, eagles, falcons and owls spotted on occasion.

Not yet translated · raw FAA text (23 sentences)
  • ·PAPI(P4R)—GA 3.0º TCH 74´.
  • ·RWY 08L:TORA–12197 TODA–12197 ASDA–12197 LDA–11200 RWY 08R:TORA–10200TODA–10200 ASDA–10200 LDA–10200 RWY 26L:TORA–10200 TODA–10200 ASDA–10200 LDA–10200 RWY 26R:TORA–12197TODA–12197 ASDA–12197 LDA–12197
  • ·S4 FUEL 100LL, JET A, J OX 3, 4 MILITARY— FUEL A+, A (1400–0600Z‡, C909–635–4728.) (NC–100LL) FLUID OX TRAN ALERT All mil and civ general avn acft ops rstd to FBO fac.
  • ·Overngt tie–down and prk fee.
  • ·Noise abatement procedures in effect; full–length turbojet departures encouraged, nightly preferential rwy usage, 0600–1500Z‡.
  • ·Acft prkg and contr gnd svc are ltd for unsked ops.
  • ·For sked info call afld ops (909) 214–7682/7683.
  • ·Twy Y east of Twy W is a non–movement area; all acft ctc ramp ctl 131.325 for access.
  • ·Acft access to Twy R from Rwy 26R prohibited.
  • ·Twy F south of Twy S rstd to acft with 117´ wingspan and smaller.
  • ·Twy F south of Rwy 26L rstd to acft with 180´ wingspan.
  • ·Portions of Twy S in the vicinity of Twy F are not visible from twr, pilots use caution entering Twy F south of Twy S.
  • ·Runway visibility value Rwy 08L and Rwy 26R avbl.
  • ·Runway visibility value Rwy 08R and Rwy 26L avbl.
  • ·All military and general aviation (fixed or rotor wing) acft opr are rstd to FBO facilities with advance coordination overnight tiedown and parking fee.
  • ·AIRPORT MANAGER: 909-544-5300
  • ·ASOS (909) 937–2186 LAWRS.
  • ·D–ATIS 124.25 909–605–0056 ®SOCAL APP/DEP CON 127.0 (North–NE) 134.0 (NE–South) 135.4 (South–SW) TOWER 120.6 GND CON 121.9 CLNC DEL 132.9 CPDLC (LOGON KUSA) PDC
  • ·POMONA (L) (L) VORTACW 110.4 POM Chan 41 N34º04.70´ W117º47.22´ 083º 9.4 NM to fld. 1265/15E.
  • ·DME unusable: 300º–045º byd 20 NM VOR unusable: 280º–300º byd 20 NM blo 13,000´ 300º–045º byd 20 NM TACAN AZIMUTH unusable: 280º–300º byd 20 NM blo 14,000´ 300º–045º byd 20 NM PETIS NDB (HW) 397 SB N34º03.39´ W117º21.97´ 256º 11.7 NM to fld. 972/14E.
  • ·ILS/DME 111.35 I–TWO Chan 50(Y) Rwy 26L.
  • ·ILS/DME 109.7 I–ONT Chan 34 Rwy 26R.
  • ·LOS ANGELES COPTER H–4I, L–3E, 4H, 7C, A IAP, AD SW, 22 JAN 2026 to 19 MAR 2026

Field profile

Use

Public-use

Ownership

Public

Scheduled service

Yes

IATA · ONT Airport website ↗

FAA Chart Supplement

NTSB events

19 NTSB-recorded events on file at this airport .

Total events

20

since 1982

Fatal

2

10.0% of total

Last 5 years

1

≈ 0.2/yr

Last 10 years

1

≈ 0.1/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 160,932 ops in 1997

2024 total

105,532

10-yr total

987,907

2024 mix

AC/AT 87% · GA 13% · Mil 0%

Events / million ops

1.0

last 10 years

Fatal / million ops

0.10

approximate · 10-yr scaled

Last 10 years · n=0

No NTSB events at this field in the last decade.

All time · n=19

  • Other 8
  • Engine failure / power loss 4
  • Gear-up landing 2
  • Stall / spin 1
  • Ground collision 1
  • Undershoot / overshoot 1
  • Fuel exhaustion / starvation 1
  • Weather · wind / icing / convective 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
1996-04-30 Boeing 737-300-3H4 · Stall / spin · VMC · day →
2010-06-10 Piper PA-46-310P · Engine failure · day →
2010-05-23 BOMBARDIER INC CL-600-2B19 · Gear-up · day →
2007-12-25 McDonnell Douglas DC-9-83 · Weather · VMC · day →
2006-07-29 Cessna 414A · Gear-up · day →
2004-07-25 Piper PA-32RT-300 · Engine failure · VMC · day →
2002-10-21 Cessna 210C · Fuel exhaustion · IMC · day →
2002-06-25 McDonnell Douglas 369E · Engine failure · VMC · day →
1997-07-14 Boeing 737-522 · Other · VMC · dusk →
1989-10-25 Piper,Beech PA-31-350,C-99 · Under/overshoot · VMC · day →
1989-09-15 Piper PA-31-350 · Other · VMC · day →
1989-05-30 Aeronca 50F · Other · VMC · day →
1987-10-09 McDonnell Douglas DC-9-82 · Other · IMC · day →
1986-03-29 Cessna 210P · Engine failure · VMC · night →
1986-02-28 Enstrom 280C · Other · IMC · night-moonlit →
1986-02-11 Cessna 172P · Ground collision · night →
1984-03-15 Beech C-45G · Other · day →
1983-11-25 Beech J-35 · Other · VMC · day →
1982-02-15 Boeing B737-2H4 · Other · IMC · night →

Designees in CA

CFI Flight Instructors 5,776 A&P Mechanics 22,561 AME Medical Examiners (AME) 139 DME Mechanic Examiners (DME) 25 DPRE Parachute Rigger Examiners (DPRE) 1 DAR-F Manufacturing Airworthiness (DAR-F) 17 DAR-T Maintenance Airworthiness (DAR-T) 20 DER-Y Engineering — Company (DER-Y) 45 DER-T Engineering — Consultant (DER-T) 66 SAE Specialty Aircraft Examiners (SAE) 126 TCE Training Center Evaluators (TCE) 38 ODA Organizational Designations 11 Schools Flight Schools 243 FBO Fixed Base Operators 209 Clubs Flying Clubs 82 Repair Repair / Maintenance Shops 56 EAA EAA Chapters 63

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Anthony James Gadis Upland CA 5 nm
Christopher Robert Kaplan Upland CA 5 nm
Kenneth Warren Earl Rancho Cucamonga CA 5 nm
Mark Dilullo Chino CA 5 nm
Michael Patrick Zemlock Chino CA 5 nm
James Mason Reid La Verne CA 9 nm
Russell Calverley La Verne CA 9 nm
Cody Patrick Reynolds Corona CA 12 nm
Taylor Deley Corona CA 12 nm
Creighton Goodman Riverside CA 13 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
William Louis Martin Jr Ontario CA 1 nm
Charles Anton Ritzman Ontario CA 1 nm
Gary Oneal Timbs Ontario CA 1 nm
Daniel Robert James Ontario CA 1 nm
Michael Andrew Mendes Ontario CA 1 nm
Jueying Zhao Ontario CA 1 nm
Younghun Kim Ontario CA 1 nm
Kurt Ingmar Berntsen Ontario CA 1 nm
Sean Ian O'Rear Ontario CA 1 nm
Yu Bin Yoon Ontario CA 1 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
James Leonard Fullmer Ontario CA 1 nm
William Richard Otto Ontario CA 1 nm
Charles Anton Ritzman Ontario CA 1 nm
Martin Gatume Njiraini Ontario CA 1 nm
Erik Renon Moseley Ontario CA 1 nm
Jason Reyes Ontario CA 1 nm
Sergio Abundiz Ontario CA 1 nm
Renz Marvin De Guzman Tinio Ontario CA 1 nm
Alejandro Martinez Tabares Ontario CA 1 nm
Manuel Juan Aguirre Ontario CA 1 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
Otto Instrument & Avionics
Ontario, CA
 0 nm
Century Aircraft Painting
Chino, CA
 5 nm
Affordable Avionics
Chino, CA
 5 nm
Wingnuts Aircraft Service
La Verne, CA
 9 nm
Corona Air Paint
Corona, CA
 10 nm
Spartan College of Aeronautics and Technology
Riverside, CA
 10 nm
AeroPro, LLC
San Bernardino, CA
 18 nm
Executive Jet Maintenance
San Bernardino, CA
 18 nm
ACI Jet AOG
Santa Ana, CA
 26 nm
Leading Edge Avionics, Inc
Santa Ana, CA
 27 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.