Airports / KS40 / Prosser AirportModerate ground coverage

📍 Prosser⬆ 697 ft1 runways

KS40 ·

Prosser Airport

46.21340°N

-119.79100°W

ARR / DAY

▼ 100.0%

DEP / DAY

▼ 100.0%

Prosser Airport (KS40) is a small general aviation airport located in Prosser, WA, 29 mi west of Tri-Cities. It features 1 runway measuring 3,450 feet.

Safety incidents

Last 1 days · 0 total

NORMAL

Current weather

From KPSC, 32 mi away (KS40 does not publish METAR)

35m ago

Temp

69°F

Wind

7 kts

250°

Visib

10+ km

Ceil

—

KPSC 062353Z 25007KT 10SM BKN100 21/09 A2995 RMK AO2 SLP141 T02060089 10222 20167 50000

Runways

1 installed

3,450 FT MAX

07/25

3,450 ft × 60

ASP● LIT

Runway intelligence

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

91% of ops

48 land · 2 TO

9% of ops

5 land · 8 TO

Runway 25 carries 91% of operations (48 landings, 2 takeoffs) over the last 30 days. The next most-used is 07 at 9%.

Approach quality

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

25 48 landings

UA 0%

07 5 landings

UA 0%

Approaches to 25 show a 0% unstable-approach rate (0 UA events from 48 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

2.6

flights/day · 77 total

Busy hour (local)

1am

also 6pm · 7pm

Day vs night

47%

06:00–20:00 local

Traffic concentrates around 1am–7pm local, averaging 2.6 flights/day. Weekend volume runs 0.5× weekday (1.6 vs 3.0 daily).

Aircraft character

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

Activity is led by (18% of 74 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	122.800	—
UNICOM	122.800	—
AWOS	121.125	—

Airport operations

ARTCC:: ZSE
Mag var:: 19° E
Fuel:: 100LL

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