# St Mary's Airport (KSM / PASM)

**St Mary's Airport** (IATA: KSM, ICAO: PASM) is a small airport in St Mary's, Alaska, United States. It has 2 runways; the longest is 6,000 ft (1,829 m). It is operated by Alaska Department of Transportation & Public Facilities. In 2025 it handled 12 thousand passengers.

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

## At a glance

- IATA / ICAO: KSM / PASM
- FAA: KSM
- Type: Small airport
- Operator: Alaska Department of Transportation & Public Facilities
- Serves: St Mary's, Alaska, United States
- Elevation: 315 ft / 96 m
- Coordinates: 62.0605, -163.3020
- Runways: 2
- Longest runway: 6,000 ft / 1,829 m
- Instrument procedures: 3 approaches
- Passengers: 12,338 (2025)
- Time zone: UTC-9/-8 · America/Nome
- Wikipedia: https://en.wikipedia.org/wiki/St._Mary%27s_Airport_(Alaska) (6 languages)
- Wikidata: https://www.wikidata.org/wiki/Q4416330
- Weather station: PASM
- Ident: PASM

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 17/35 | 6,000 ft / 1,829 m | 150 ft / 46 m | Gravel | 182° / 002° | yes |
| 07/25 | 1,520 ft / 463 m | 60 ft / 18 m | Gravel | 077° / 257° | yes |

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 29,846 | BTS T-100 Segment |
| 2016 | 27,442 | BTS T-100 Segment |
| 2017 | 25,816 | BTS T-100 Segment |
| 2018 | 23,869 | BTS T-100 Segment |
| 2019 | 23,310 | BTS T-100 Segment |
| 2020 | 5,706 | BTS T-100 Segment |
| 2021 | 8,926 | BTS T-100 Segment |
| 2022 | 13,457 | BTS T-100 Segment |
| 2023 | 13,636 | BTS T-100 Segment |
| 2024 | 12,267 | BTS T-100 Segment |
| 2025 | 12,338 | BTS T-100 Segment |

## Routes

5 destinations in 1 country. From the airport's Wikipedia article.

### Year-round (5)

- [MOU](https://dromopedia.com/airports/pamo.md) Mountain Village Airport · United States · 12 mi / 20 km · Grant Aviation, Ryan Air Services
- [PQS](https://dromopedia.com/airports/us-8450.md) Pilot Station Airport · United States · 14 mi / 22 km · Ryan Air Services
- [MLL](https://dromopedia.com/airports/padm.md) Marshall Don Hunter Sr Airport · United States · 43 mi / 70 km · Ryan Air Services
- [BET](https://dromopedia.com/airports/pabe.md) Bethel Airport · United States · 101 mi / 162 km · Grant Aviation, Ryan Air Services
- [ANC](https://dromopedia.com/airports/panc.md) Ted Stevens Anchorage International Airport · United States · 441 mi / 709 km · Aleutian Airways

## Airlines

The figure is how many destinations each airline flies from KSM, as the routes above have them. Hubs from Wikidata.

### Passenger (3)

- RYA [Ryan Air Services](https://dromopedia.com/airlines/ryan-air-services) · 4
- GV [Grant Aviation](https://dromopedia.com/airlines/grant-aviation) · 2
- [Aleutian Airways](https://dromopedia.com/airlines/aleutian-airways) · 1

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Passengers | 12K (2025) | #2,608 of 3,974 | #630 in North America | #436 in US |
| Longest runway | 6,000 ft / 1,829 m | =4,614 of 29,858 | =1,310 in North America | =1,036 in US |
| Elevation | 315 ft / 96 m | =30,957 of 43,403 | =14,324 in North America | =12,056 in US |
| Runways | 2 | =715 of 29,978 | =435 in North America | =391 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| AWOS | AWOS 3 | 128.700 |
| CNTR | ANCHORAGE CNTR | 124.000 |
| CTAF | CTAF | 122.300 |
| FSS | KENAI RDO | 122.350 |
| MISC | TWEB | 23.000 |

## Nearby airports

- [MOU](https://dromopedia.com/airports/pamo.md) Mountain Village Airport · 13 mi / 20 km
- [PQS](https://dromopedia.com/airports/us-8450.md) Pilot Station Airport · 14 mi / 22 km
- [MLL](https://dromopedia.com/airports/padm.md) Marshall Don Hunter Sr Airport · 44 mi / 70 km
- [SXP](https://dromopedia.com/airports/sxp.md) Nunam Iqua Airport · 59 mi / 95 km
- [9AK2](https://dromopedia.com/airports/9ak2.md) Kako Airport · 62 mi / 99 km
- [AUK](https://dromopedia.com/airports/pauk.md) Alakanuk Airport · 63 mi / 101 km

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [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)
- [Wikipedia: “St. Mary's Airport (Alaska)”](https://en.wikipedia.org/w/index.php?title=St._Mary's_Airport_(Alaska)&oldid=1362803910), revision of 6 Jul 2026 (CC BY-SA 4.0)
- [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/pasm/data
