Private Aviation Airport

Illinois Valley Airport (K3S4)

Cave Junction's Premier Private Jet Gateway · Cave Junction, OR

1
Runway
1,394 ft
Elevation
4,807 ft
Longest Runway
OR
State

Current Conditions at K3S4

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Illinois Valley Airport, Cave Junction, OR

Airport Overview

The Cave Junction, OR region is served by Illinois Valley Airport (K3S4), a public-use airport at 1,394 feet elevation. Runway infrastructure includes 1 strip(s); the primary surface extends 4,807 feet (N/A). Operators and private travelers use Illinois Valley Airport for its direct ramp access and minimal ground delays. For official FAA airport data, visit the FAA Airport Data portal or AirNav K3S4.

Private Aviation Briefing

Located near Cave Junction, Illinois Valley Airport (K3S4) sits at 1,394 ft MSL above sea level. Below is the operational context for private jet and charter operations from this airport.

U.S. General Aviation Context

Illinois Valley Airport is part of the U.S. National Airspace System, regulated by the FAA. As a OR facility, the airport contributes to the regional transportation network connecting Cave Junction to the broader aviation system. FAA Part 135 charter operators serve this airport, and The Jet Finder can source aircraft positioned near K3S4 for on-demand charter.

Runway Capability

At 4807 feet, Illinois Valley Airport serves light jets and turboprops. The Citation CJ series, Phenom 100, HondaJet, and King Air family operate within this runway capability. Midsize jets require careful performance analysis based on temperature and aircraft weight. Pilots should reference aircraft-specific takeoff and landing distance charts for K3S4's runway length and 1,394 ft MSL elevation.

Charter Considerations

Ground transportation at Illinois Valley Airport is a factor in total travel time. Private aviation eliminates the commercial terminal experience, but the drive from K3S4 to your final destination determines the true door-to-door advantage. FBOs at most airports offer car service coordination, rental car delivery to the ramp, and concierge ground transportation for arriving passengers.

What to Know Before You Fly

Fuel pricing varies significantly between airports and FBOs. Jet-A at Illinois Valley Airport may cost $5.50 to $10.00 per gallon depending on the FBO. On shorter flights, fuel cost is a minor component. On longer legs, the price difference between FBOs adds up. The Jet Finder factors fuel cost into charter quotes to ensure accurate pricing from K3S4.

Safety & Planning

Flight planning from Illinois Valley Airport accounts for current NOTAMs, TFRs, and airspace restrictions. Pilots operating from K3S4 check published notices before every departure. Temporary flight restrictions near stadiums, presidential movements, and military operations can affect routing and timing. The Jet Finder monitors these factors and communicates schedule impacts proactively.

Airport Selection Strategy

Based aircraft availability at Illinois Valley Airport directly impacts charter pricing. Airports with more locally based jets generate lower positioning costs. If K3S4 has limited based aircraft, the charter operator repositions from the nearest base, adding 30 to 60 minutes of flight time at the hourly rate. The Jet Finder identifies the closest available aircraft to minimize this cost.

Seasonal Factors

Convective weather season (May through September) impacts afternoon scheduling reliability at Illinois Valley Airport. Thunderstorm activity typically builds after 2:00 PM local time, potentially delaying departures from K3S4. Morning flights on this corridor routinely depart on schedule. The Jet Finder recommends morning departures when schedule certainty matters.

Location & Address

Illinois Valley Airport occupies coordinates 42.1037° N, -123.6820° W at 1,394 feet above sea level. FBO-arranged car service or rideshare connects passengers from Illinois Valley Airport to Cave Junction and surrounding areas efficiently.

Runways & Facilities

With 4,807 feet of runway, Illinois Valley Airport supports all light jets and most midsize jets (Citation XLS, Learjet 45/60, Hawker 800). Super-midsize jets may operate under favorable weight and weather conditions. Heavy jets typically require longer fields.

FBOs & Ground Services

Aircraft services at K3S4 are handled by the airport's fixed base operation. Standard general aviation services — fuel, parking, aircraft positioning — are typically available during operating hours. Contact Illinois Valley Airport directly for current service hours, fuel pricing, and hangar availability.

Charter a Jet from Illinois Valley Airport

Private charter from K3S4 starts with a single call. The Jet Finder sources aircraft from a nationwide network of FAA Part 135 operators, matching runway capabilities at K3S4 with the right aircraft for your route.

Charter a private jet from K3S4

Fly Private from K3S4

The Jet Finder coordinates charter flights from Illinois Valley Airport. Tell us your destination, dates, and passenger count. We source aircraft from FAA Part 135 operators matched to K3S4's runway and facilities.

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Airport Specifications

Airport Identity
Airport NameIllinois Valley Airport
ICAO CodeK3S4
IATA Code3S4
FAA Identifier3S4
AddressCave Junction, OR
Elevation1,394 ft MSL
Coordinates42.1037° N, 123.6820° W
FAA DataAirNav 3S4
Operations & Facilities
Runways18/36: 4,807 ft (ASP)
FBOsAirport Services
CustomsNot available
FuelContact airport for availability
HoursContact airport for hours
ApproachesContact airport for approach information
Tower / FreqSee Airport/Facility Directory

Regional Aviation Context

Oregon's diverse terrain includes coastal strips, Willamette Valley fields, and high-desert airports east of the Cascades. Marine layers on the coast and mountain weather inland require flexibility.

Operational Considerations

Illinois Valley Airport's 1,394-foot field elevation keeps density altitude effects manageable. Even on warm days, density altitude here tops out around 3,194 feet — within normal performance parameters for most aircraft. The 4,807-foot runway provides approximately 4,606 feet of effective sea-level performance.

Illinois Valley Airport's temperate latitude produces generally favorable flying conditions with seasonal variation. Winter brings frontal passages that can drop ceilings to IFR minimums for 24-48 hour periods. Freezing precipitation is possible but less persistent than at higher latitudes. Summer convective activity peaks in late afternoon — morning departures typically encounter smoother, clearer conditions. Year-round instrument currency is recommended for reliable scheduling.

Nearby Airports

Airports within 150 nautical miles of Illinois Valley Airport. Useful for alternate planning, repositioning, or comparing FBO options.

Ward Field
K0O9 · 21 NM from K3S4
Happy Camp Airport
K36S · 23 NM from K3S4
Brookings Airport
KBOK · 27 NM from K3S4
Grants Pass Airport
K3S8 · 28 NM from K3S4

Frequently Asked Questions

Illinois Valley Airport carries the identifier K3S4. This code is used in FAA databases, flight planning systems, and air traffic control communications for operations at this airport.

Illinois Valley Airport (K3S4) sits at 42.1037° N, 123.6820° W, near Cave Junction, OR. At 1,394 feet MSL, the airport provides general aviation access to the surrounding region.

Runway 18/36 is the main strip at Illinois Valley Airport, providing 4,807 feet of ASP runway. The airport has 1 total runway(s).

Private jets can land at Illinois Valley Airport provided the 4,807-foot runway meets their performance requirements. Light and very light jets typically operate without restriction. Midsize jets may require careful performance analysis depending on conditions.

The FBO at Illinois Valley Airport handles fuel, parking, and ground coordination for arriving aircraft. Visit AirNav for current operator contact information at K3S4. Pre-arrival calls are advisable.

1,394 feet MSL. Illinois Valley Airport's elevation is a consideration for performance planning. Standard atmospheric deviations can push density altitude higher than field elevation on warm days.

Published instrument approaches at K3S4 should be verified through current FAA sources. Illinois Valley Airport's approach options may include RNAV (GPS), VOR, or NDB depending on available NAVAIDs.

Contact The Jet Finder for charter availability from Illinois Valley Airport (K3S4). Provide your destination, travel dates, and passenger count. We source aircraft from FAA Part 135 operators matched to K3S4's runway and facilities.

Aircraft suitability at K3S4 depends on the 4,807-foot runway. Standard GA traffic — pistons, turboprops, light jets — operates without special considerations. Larger aircraft should confirm runway adequacy before flight planning.

Radio frequencies for Illinois Valley Airport (K3S4) appear in the A/FD and electronic chart supplements. If untowered, use standard CTAF procedures for traffic separation and position reporting.

Confirm fuel availability at K3S4 before arrival. Illinois Valley Airport may offer 100LL, Jet-A, or both. Pricing is set by the FBO. AirNav provides crowd-sourced fuel price reports from visiting pilots.

International flight planning from K3S4 requires CBP coordination. Illinois Valley Airport may or may not have on-field customs services. The Jet Finder can identify the nearest CBP-equipped airport and handle logistics.

Aviation weather for Illinois Valley Airport is reported under identifier K3S4. Monitor METAR, TAF, and PIREP data through official sources. OR's climate affects ceiling, visibility, and wind conditions at the field.

Transit from Illinois Valley Airport to Cave Junction proper is typically a short ground drive. The exact distance depends on your destination within the Cave Junction area. Private aviation eliminates the hour+ that commercial airport processing adds to your trip.

Illinois Valley Airport offers aircraft parking for visiting and based aircraft. Tiedown and hangar rates at K3S4 should be confirmed directly with the airport. Overnight parking may require advance arrangement.

Get a quote for private charter from K3S4: visit thejetfinder.com/contact.html or call directly. Share your itinerary and passenger details. We handle aircraft sourcing from Illinois Valley Airport to your destination.

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