📍 Tracy⬆ 62 ft1 runways

K1Q4 ·

New Jerusalem Airport

37.67910°N

-121.30000°W

ARR / DAY

▼ 14.3%

DEP / DAY

▼ 39.5%

New Jerusalem Airport (K1Q4) is a small general aviation airport located in Tracy, CA, 17 mi west of Modesto. It features 1 runway measuring 3,530 feet. SkyMeter has observed roughly 3 arrivals and 3 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

From KSCK, 15 mi away (K1Q4 does not publish METAR)

57m ago

Temp

77°F

Wind

5 kts

0°

Visib

10+ km

Ceil

—

KSCK 161855Z VRB05KT 10SM CLR 25/08 A3010 RMK AO2 SLP191 T02500078 $

Runways

1 installed

3,530 FT MAX

12/30

3,530 ft × 60

ASPH-F○ unlit

Runway intelligence

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

61% of ops

57 land · 8 TO

39% of ops

37 land · 11 TO

Runway 12 carries 61% of operations (57 landings, 8 takeoffs) over the last 30 days. The next most-used is 30 at 39%.

Approach quality

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

12 57 landings

UA 16%

30 37 landings

UA 3%

Approaches to 12 show a 16% unstable-approach rate (9 UA events from 57 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

6.3

flights/day · 188 total

Busy hour (local)

10pm

also 9pm · 8pm

Day vs night

35%

06:00–20:00 local

Traffic concentrates around 8pm–10pm local, averaging 6.3 flights/day. Weekend volume runs 3.0× weekday (12.5 vs 4.2 daily).

Aircraft character

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

Activity is led by (34% of 185 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	122.900	—

Airport operations

ARTCC:: ZOA
Elevation:: 62 ft
Mag var:: 16° E

Hourly traffic

Avg movements per hour · local time · last 30 days

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