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 7 days · 0 total

NORMAL

Current weather

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

49m ago

Temp

82°F

Wind

11 kts

280°

Visib

6437 m

Ceil

—

KPSC 261853Z 28011G15KT 4SM HZ FU CLR 28/11 A2998 RMK AO2 SLP150 T02780111

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

100% of ops

86 land · 0 TO

0% of ops

0 land · 21 TO

Runway 25 carries 100% of operations (86 landings, 0 takeoffs) over the last 30 days. The next most-used is 07 at 0%.

Approach quality

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

25 86 landings

UA 0%

07 0 landings

UA 0%

Approaches to 25 show a 0% unstable-approach rate (0 UA events from 86 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

1.6

flights/day · 47 total

Busy hour (local)

4pm

also 6pm · 3pm

Day vs night

66%

06:00–20:00 local

Traffic concentrates around 3pm–4pm local, averaging 1.6 flights/day. Weekend volume runs 1.2× weekday (1.9 vs 1.5 daily).

Aircraft character

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

Activity is led by (15% of 41 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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