Blake Field (KAJZ), Colorado
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Blake Field, identified by the ICAO code KAJZ, serves Delta, Colorado, at an elevation of 5,193 feet. The airport is a public-use, non-towered facility with a paved runway suited to business aviation, alongside a shorter unpaved strip for lighter traffic. FAA TFMSC data for 2025 recorded 536 total operations at the field, with 513 attributed to business aviation, placing KAJZ among Skystar's Tier 1 documented terrains. No onsite customs service is available; the nearest customs-equipped airport is KEGE, roughly 74 nautical miles away.
Runways
Blake Field has two paved and unpaved runways. The longest, 03/21, is 5,598 ft long and 75 ft wide, with an asphalt surface.
Runways are listed longest first.
Source: FAA Form 5010.
Fuel and airfield services
Blake Field has Jet A and 100LL available on the field. Fueling is available from 8am to 5pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Blake Field does not clear customs. The nearest port of entry is Eagle County Regional (KEGE), 74 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Blake Field recorded 513 business aviation movements in 2025. Traffic peaks in January and April. Business aviation traffic at KAJZ concentrates in the January-through-April period, with activity tapering through the summer and reaching its lowest point in October.
Business jet movements, FAA TFMSC count. Peak month April, 65 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Blake Field averages 25.8 days above 90°F in July and 30.5 freeze days in January. July is the warmest month, with average highs of 93.0°F, and January the coldest, at 39.9°F.
Weather station is 2.5 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Blake Field has published operating constraints in three categories: access, runway notes and other notes.
Runway 03/21 has bushes approximately 4 feet tall located 15 to 20 feet from the runway edge in various places on both sides.
REIL for runway 03 and 21 and MIRL for runway 03/21 are pilot-activated via CTAF. PAPI for runway 03 and 21 operates continuously.
Runway 21 has a turnaround taxi area marked with blue and white reflectors.
Runway 03/21 slopes upward toward the northeast.
Runway 03 has a fence over 4 feet high located 580 feet from the threshold, off the extended runway centerline.
Power lines exceeding 52 feet above ground level are located 2,640 feet northwest of runway 03/21.
Antelope have been observed on and in the vicinity of the airport.
Self-serve fuel is available 24 hours a day.
For clearance delivery, contact Denver ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Blake Field has five airfields within 30 NM. The closest is Westwinds, 4.36 NM west.
Part of the Western Colorado and Southern Utah area.
Source: Skystar calculation from official coordinates.
Skystar at KAJZ
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$2,400.00 catering order at KAJZ.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What runway options are available at KAJZ?
Blake Field, identified as KAJZ, has two runways for arriving traffic. Runway 03/21 is the primary paved surface, measuring 5,598 feet long and 75 feet wide with an asphalt surface. Runway 14/32 is a shorter 2,494-foot dirt strip, 60 feet wide, suited to smaller aircraft operations. The paved runway slopes upward toward the northeast, a factor worth noting for landing and takeoff planning. No tower is present at the field, so all operations are conducted using CTAF procedures.
Is fuel available at Blake Field (KAJZ)?
Blake Field, KAJZ, offers both 100LL avgas and Jet A fuel. Self-serve fuel is available on a 24-hour basis according to airport remarks, giving operators flexibility outside the standard attendance schedule. The field's attended hours run Monday through Friday, 0800 to 1700 local. Pilots operating outside those hours can still fuel through the self-serve option. This combination supports both piston and turbine business aviation traffic using the airport.
Where is the nearest customs facility to KAJZ?
KAJZ does not have onsite customs service. The nearest customs facility is at KEGE, located approximately 74.10 nautical miles away. Operators arriving from international origins need to plan a stop at KEGE or another customs-equipped airport before proceeding to Blake Field. No customs designation type is listed for KAJZ, reinforcing that international arrivals must clear elsewhere first. This distance should factor into fuel and routing plans for cross-border flights.
What obstacles should pilots be aware of near Blake Field?
Blake Field, KAJZ, has several documented obstacles around its paved runway. Runway 03/21 has bushes roughly 4 feet tall located 15 to 20 feet from the runway edge in various spots on both sides. A fence over 4 feet high sits 580 feet from the Runway 03 threshold, off the extended runway centerline. Power lines rise more than 52 feet above ground level, located about 2,640 feet northwest of runway 03/21. Antelope have also been reported on and in the vicinity of the airport, an added consideration for pilots during approach and departure.
What is the seasonal traffic pattern at KAJZ?
Business aviation traffic at Blake Field, KAJZ, is concentrated in the first half of the year according to FAA TFMSC data for 2025. January through April show the highest monthly operations, with April recording 65 operations, the annual peak. Traffic then declines through the summer and fall months, with October recording the lowest count at 23 operations. Total annual business aviation operations at KAJZ reached 513 out of 536 total operations recorded. This pattern is useful for operators planning seasonal staffing or slot expectations at the field.