Airports / U91 / Grasmere AirportGood ground coverage

📍 Grasmere⬆ 5,134 ft1 runways

U91 ·

Grasmere Airport

42.36660°N

-115.88400°W

ARR / DAY

▲ 0.0%

DEP / DAY

▲ 0.0%

Grasmere Airport (U91) is a small general aviation airport located in Grasmere, ID, 88 mi south of Boise. It features 1 runway measuring 2,750 feet.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

From KMUO, 47 mi away (U91 does not publish METAR)

23m ago

Temp

60°F

Wind

12 kts

330°

Visib

10+ km

Ceil

—

KMUO 030755Z 33012KT 8SM FEW060 SCT075 BKN120 16/05 A2992 RMK AO2A DZB25E35RAB35E47DZB47E50 SLP109 P0000 T01580054 $

Runways

1 installed

2,750 FT MAX

05/23

2,750 ft × 150

DIRT-F○ unlit

Runway intelligence

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

100% of ops

29 land · 0 TO

0% of ops

0 land · 20 TO

Runway 23 carries 100% of operations (29 landings, 0 takeoffs) over the last 30 days. The next most-used is 05 at 0%.

Approach quality

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

23 29 landings

UA 0%

05 0 landings

UA 0%

Approaches to 23 show a 0% unstable-approach rate (0 UA events from 29 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

2.4

flights/day · 73 total

Busy hour (local)

12am

also 8pm · 9pm

Day vs night

10%

06:00–20:00 local

Traffic concentrates around 12am–9pm local, averaging 2.4 flights/day. Weekend volume runs 0.0× weekday (0.0 vs 3.5 daily).

Aircraft character

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

66 · 96%

1 · 1%

Activity is led by (96% of 69 flights). Top three types: , , .

Hourly traffic

Avg movements per hour · local time · last 30 days

Custom date range