Airports / KS21 / Sunriver AirportIATA SUOGood ground coverage
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📍 Sunriver⬆ 4,164 ft1 runways
KS21 · SUO

Sunriver Airport

43.87630°N
-121.45300°W
ARR / DAY
0
100.0%
DEP / DAY
0
100.0%

Sunriver Airport (KS21/SUO) is a small general aviation airport located in Sunriver, OR, 82 mi east of Eugene. It features 1 runway measuring 5,460 feet.

Current weather

Latest METAR observation

9h ago
Temp
46°F
Wind
0 kts
Visib
10+ km
Ceil
METAR KS21 270855Z AUTO 00000KT 10SM CLR 08/06 A3019 RMK AO2

Runways

1 installed

5,460 FT MAX
18/36
5,460 ft × 75
ASP● LITMED

Runway intelligence

Which runway carries the operations, observed over the last 30 days

18
81% of ops
437 land · 154 TO
36
19% of ops
105 land · 232 TO
Runway 18 carries 81% of operations (437 landings, 154 takeoffs) over the last 30 days. The next most-used is 36 at 19%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

18 437 landings
UA 5%
36 105 landings
UA 14%
Approaches to 18 show a 5% unstable-approach rate (21 UA events from 437 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.

Traffic behavior

When the field is busy: hourly + weekday vs weekend

Daily avg
14.1
flights/day · 424 total
Busy hour (local)
5pm
also 4pm · 6pm
Day vs night
59%
06:00–20:00 local
Traffic concentrates around 5pm–6pm local, averaging 14.1 flights/day. Weekend volume runs 1.3× weekday (17.2 vs 13.6 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (21% of 259 flights). Top three types: , , .

Communications Frequencies

2026-06-11
Type Freq (MHz) Hours
CTAF 122.800
UNICOM 122.800
AWOS 128.325
SUNRIVER 122.300
OTHER 122.300
REDMOND 126.150
OTHER 126.150
REDMOND 269.475
OTHER 269.475
Airport operations
ARTCC:
ZSE
Mag var:
14° E
Fuel:
100LL, A+

Hourly traffic

Avg movements per hour · local time · last 30 days

12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p

Pilot & community notes

1 comment from OurAirports (click to expand)

1
svanarts
01/14/2009
Poor service
Sorry to say I received the poorest service ever at any airport here. Hopefully they were just having a bad day.
© SkyMeter · All flight data subject to ODbL attribution · Updated 17:57 UTC