Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer
The O Neill Municipal John L Baker Field (KONL/ONL) — O Neill, United States
At a glance
- Operating hours
- Open 24h
- Fuel
- 100LL, Jet A+
- Runways
- 04/22, 13/31
- Elevation
- 2,031 ft
Times in UTC. Reference only: verify with the AIP and NOTAMs.
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77%
Data Complete
40 of 52 points
Missing: Contacts
Section Breakdown
Basic Info
7/7
Runways
4/4
Frequencies
2/4
Operations
2/2
Fuel
1/1
Contacts
0/2
Additional Info
3/10
Data last updated:
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See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify
Basic Airport Information
- ICAO: KONL
- Name: The O Neill Municipal John L Baker Field
- Type: small_airport
- Category: Domestic
- Latitude: 42.469898
- Longitude: -98.688103
- Elevation: 2031 ft
- Country: United States
- Municipality: O Neill
- IATA Code: ONL
- FAA Code: N/A
- FIR: N/A
- Timezone: America/Chicago
- Distance from City: N/A km
- VFR: Yes
- IFR: No
Runways
Runway 04/22
- Designation: 04/22
- Dimensions: 975x18m
- Surface: GRE
- PCN: N/A
- Lighting: Not lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Runway 13/31
- Designation: 13/31
- Dimensions: 1344x23m
- Surface: ASP
- PCN: N/A
- Lighting: Lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Frequencies
- Tower: N/A
- Ground: N/A
- Operations: 122.450 MHz
- Traffic/Approach: 128.000 MHz
- ATIS: 121.125 MHz
Operation Hours
Monday
Open 24 hours
Tuesday
Open 24 hours
Wednesday
Open 24 hours
Thursday
Open 24 hours
Friday
Open 24 hours
Saturday
Open 24 hours
Sunday
Open 24 hours
The O Neill Municipal John L Baker Field operates 24 hours (H24). See all 24-hour airports worldwide →
- Extra Hours On Request: Not recorded
- Remarks: N/A
Contacts
- AIS Tel: N/A
- ARO Tel: N/A
- MET Tel: N/A
- Admin Tel: +1 402-760-1232
- Health Tel: N/A
- Police Tel: N/A
- Authorities Tel: N/A
- Website: N/A
- Remarks: N/A
Slots / PPR
- Slot Required: Not recorded
- PPR Required: Not recorded
- PPR Contact: N/A
- Remarks: N/A
Fuel Information
- Fuel Type: 100LL
- Price/L: N/A
- Last Updated: N/A
- Remarks: N/A
- Fuel Type: Jet A+
- Price/L: N/A
- Last Updated: N/A
- Remarks: N/A
Immigration
- Port of Entry: Not recorded
- APIS Required: Not recorded
- GAR Required: Not recorded
- Remarks: N/A
Airport Services
No services listed for this airport yet.
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United States Permit Requirements
Fast
Landing: 1d
- Overflight Permit: No
- Landing Permit: Conditional
- Overflight Lead Time: N/A
- Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:
No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.
Active NOTAMs
10/007
info
NAV VORTAC U/S
2026-11-03 14:00 UTC
2026-12-04 22:00 UTC
10/006
info
OBST TOWER LGT (ASR 1041789) 422700.00N0983653.00W (3.4NM ESE ONL) 2332.7FT (365.8FT AGL) U/S
2026-10-25 04:30 UTC
2026-11-25 23:59 UTC
10/004
info
OBST TOWER LGT (ASR 1025729) 422656.40N0983651.90W (3.5NM ESE ONL) 2273.0FT (304.1FT AGL) U/S
2026-10-08 16:40 UTC
2026-12-06 23:59 UTC
+6 more active NOTAMs
NOTAMs received from the FAA NOTAM feed (last message 2026-10-27 16:10 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.
View all NOTAMs on Map
Nearby Airports
Airport History
No milestones recorded for The O Neill Municipal John L Baker Field yet. Know when it opened, who built it or a notable event? Add it with a source.
Add a historical factFrequently Asked Questions
- What are the operating hours of KONL?
- The O Neill Municipal John L Baker Field operates from 00:00 to 23:59.
- What fuel is available at KONL?
- The O Neill Municipal John L Baker Field offers 100LL, Jet A+.
- Does KONL require landing permits?
- It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
- Where is KONL located?
- The O Neill Municipal John L Baker Field (KONL) is located in O Neill, United States.
- What is the IATA code for KONL?
- The IATA code for The O Neill Municipal John L Baker Field is ONL.
- How long is the runway at KONL?
- The main runway at The O Neill Municipal John L Baker Field (04/22) measures 975x18m.