# San Nicolas Island Nolf Airport (KNSI)

**San Nicolas Island Nolf Airport** (ICAO: KNSI) is a small airport in San Nicolas Island, California, United States. It opened in May 1941. It has one runway, 10,002 ft (3,049 m) long, paved. It is operated by United States Navy.

Web page: https://dromopedia.com/airports/knsi

## At a glance

- IATA / ICAO: — / KNSI
- FAA: NSI
- Type: Small airport
- Operator: United States Navy
- Serves: San Nicolas Island, California, United States
- Opened: May 1941
- Elevation: 506 ft / 154 m
- Coordinates: 33.2398, -119.4580
- Runways: 1
- Longest runway: 10,002 ft / 3,049 m
- Instrument procedures: 2 approaches
- Time zone: UTC-8/-7 · America/Los_Angeles
- Wikipedia: https://en.wikipedia.org/wiki/Naval_Outlying_Landing_Field_San_Nicolas_Island (6 languages)
- Wikidata: https://www.wikidata.org/wiki/Q3016981
- Weather station: KNSI · WMO 72291
- Ident: KNSI

## Timeline

- May 1941: San Nicolas Island Nolf Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 12/30 | 10,002 ft / 3,049 m | 200 ft / 61 m | Paved | 133° / 313° | yes |

- FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/05162AD.PDF

## Rankings

Ranked among 48,075 open airports; = marks a shared place.

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 10,002 ft / 3,049 m | =1,039 of 29,858 | =225 in North America | =175 in US |
| Elevation | 506 ft / 154 m | #26,940 of 43,403 | #12,881 in North America | #10,777 in US |
| Age | Opened 1941 | =1,548 of 15,079 | =737 in North America | =705 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| MISC | PLEAD CON | 127.550 |
| TWR | TWR | 126.850 |

## Nearby airports

- [KNUC](https://dromopedia.com/airports/knuc.md) San Clemente Island Naval Auxiliary Landing Field · 53 mi / 85 km
- [44CA](https://dromopedia.com/airports/us-1187.md) Santa Cruz Ranch Airstrip · 53 mi / 86 km
- [US-5852](https://dromopedia.com/airports/us-5852.md) Smugglers Cove Airport · 55 mi / 88 km
- [CA97](https://dromopedia.com/airports/ca97.md) Christy Airstrip · 58 mi / 94 km
- [AVX](https://dromopedia.com/airports/kavx.md) Catalina Airport · 61 mi / 99 km
- [US-0229](https://dromopedia.com/airports/us-0229.md) Bechers Bay Airstrip · 62 mi / 100 km

## Sources

- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/knsi/data