KDVT Phoenix Deer Valley Airport — Instrument Checkride Guide

What kind of airport is KDVT and what is its IFR environment?

Phoenix Deer Valley Airport (KDVT) is a high-activity general aviation airport in Phoenix, Arizona, at 1,478.1 ft MSL. It is one of the busiest general aviation airports in the United States by operations count and sits within the Phoenix Sky Harbor (KPHX) Class B airspace — requiring an explicit ATC clearance before entry per 14 CFR 91.131. KDVT itself operates Class D airspace; Phoenix Approach handles IFR coordination on 120.7 MHz. ATIS is on 126.5 MHz; tower is 118.4 MHz; ground is 121.8 MHz (0600–0000).

The airport operates a continuous control tower with 2 runways: the primary instrument runway 07R/25L at 8,196 ft and a shorter parallel 07L/25R at 4,500 ft. KDVT is frequently used for instrument training due to its active airspace, proximity to Phoenix's Class B, and GPS-only approach environment — which forces pilots to understand RNAV procedures without an ILS as a fallback.

What instrument approaches are published at KDVT?

KDVT publishes 3 instrument approach procedures, all GPS-based, sourced from AirNav. There is no ILS or VOR approach.

Special alternate minimums are published for KDVT — check the front of the approach plate book before filing the airport as an alternate. The RNAV (GPS)-B circling approach requires the pilot to maintain visual contact with the runway environment throughout the circling maneuver and is subject to the circling radius limits tabulated on the approach plate. Always verify current minima on official FAA charts before flight.

What is the runway configuration at KDVT?

KDVT operates 2 parallel runways oriented east-west, per AirNav. All published instrument approaches serve the primary runway 07R/25L. 4-light PAPI systems are installed on the approach ends of primary runways.

Runway 07R is the primary instrument approach runway with an east wind; 25L with a west wind. Phoenix's prevailing winds are from the west, making the ILS RWY 25L the more common configuration — though KDVT has no ILS, the RNAV RWY 25L serves the same role. Aircraft weight and performance are more limiting at KDVT than at sea-level airports due to the elevation and heat.

What weather should instrument pilots expect at KDVT?

Phoenix's desert environment creates weather hazards that are fundamentally different from the rest of the continental United States. The most dangerous non-weather-related hazard is density altitude: on a 110°F summer afternoon at 1,478 ft MSL, density altitude can reach 4,500–5,000 ft, dramatically reducing climb performance, go-around capability, and accelerate-stop distance. Every instrument approach in summer must be preceded by a performance calculation.

Haboobs — massive dust storms — are a unique Phoenix hazard from May through September. A haboob can reduce surface visibility from 10 miles to near zero in under 5 minutes with no precipitation warning. These events are not reliably forecast by standard aviation weather products. Pilots approaching KDVT in summer afternoon or evening hours should monitor Phoenix ATIS continuously for rapidly changing visibility.

Monsoon thunderstorms develop from July through September, bringing lightning, heavy rain, microburst wind shear, and hail. A line of monsoon cells can block the approach corridor with no viable alternate routing within range. The National Weather Service Phoenix (PSR) office issues haboob watches, dust storm advisories, and monsoon special weather statements. Winter occasionally brings dense fog to the Phoenix basin when stagnant cold air masses settle over the valley — cold enough to suppress convection but warm enough to maintain saturation.

What should you expect on an instrument checkride at KDVT?

A checkride at KDVT places you in a GPS-only approach environment inside Class B airspace — two features that generate natural DPE questions. Before the flight, expect an oral discussion of what happens if GPS signal degrades during an approach: with no ILS or VOR fallback, the pilot's only options are the LOC-only line (if KDVT publishes one — verify current charts) or a missed approach to an alternate. Understanding RAIM (Receiver Autonomous Integrity Monitoring) and WAAS degradation — and when the system self-annunciates — is an ACS knowledge element.

The Class B airspace departure adds complexity. Expect a departure clearance with an initial altitude restriction that keeps you below the Class B floor until Phoenix Approach provides a Class B clearance. The DPE will evaluate whether you correctly hold the assigned altitude and do not penetrate Class B without explicit authorization.

Density altitude is a mandatory oral topic at KDVT. The DPE will likely ask you to calculate density altitude for a given scenario and describe the effect on aircraft performance. This connects to ACS Area II (technical subject areas) and is particularly relevant for missed approach climb performance at KDVT in summer. Under 14 CFR 91.175(e), a missed approach is mandatory if visual references are lost below MDA or DA — and at KDVT's density altitudes, climb performance on the missed approach deserves pre-flight calculation.

Practice Questions

1. You are flying the RNAV (GPS) RWY 25L at KDVT and your GPS annunciates "RAIM NOT AVAILABLE" at the final approach fix. What do you do, and what regulatory guidance governs GPS approach operations?

2. The DPE asks you to explain the RNAV (GPS)-B approach at KDVT. What are circling minimums, how do they differ from straight-in minimums, and what are the visual requirements during the circling maneuver under 14 CFR 91.175(c)?

3. Phoenix Approach clears you to enter Class B airspace on your IFR departure from KDVT, but then issues a hold at the Deer Valley VOR "until further advised." What are your obligations for fuel planning and EFC requests?

4. It is a July afternoon in Phoenix — temperature 108°F, altimeter 29.85. KDVT elevation is 1,478 ft MSL. Calculate the approximate density altitude and describe how it affects your missed approach climb performance.

5. You are filing KDVT as an alternate for a flight to Prescott (KPRC). The pilot/controller glossary defines standard alternate minimums as 600-2 for precision and 800-2 for non-precision. KDVT has special alternate minimums. Where do you find them, and what regulatory reference governs alternate minimums for Part 91 flights?

Frequently Asked Questions

Q: What instrument approaches are published at KDVT?

KDVT publishes 3 instrument approach procedures: RNAV (GPS) RWY 07R, RNAV (GPS) RWY 25L, and RNAV (GPS)-B (a circling approach). There are no ILS or VOR approaches at Deer Valley. All approaches are GPS-based. Special alternate minimums apply — check the front of the approach plate before filing.

Q: What airspace class is Phoenix Deer Valley Airport?

KDVT sits within the Phoenix Sky Harbor Class B airspace. Under 14 CFR 91.131, an explicit ATC clearance is required before entering Class B. On an IFR departure or arrival, that clearance is embedded in your ATC sequence. KDVT itself is Class D during tower hours.

Q: What are the communications frequencies at KDVT?

KDVT ATIS broadcasts on 126.5 MHz. Tower is 118.4 MHz. Phoenix Approach handles IFR operations on 120.7 MHz. Ground is 121.8 MHz (0600–0000 hours). The tower operates continuously.

Q: What is the elevation at Phoenix Deer Valley Airport?

KDVT sits at 1,478.1 ft MSL (surveyed), per AirNav data. At this elevation in Phoenix's summer heat, density altitude routinely exceeds 4,000–5,000 ft DA on hot afternoons, significantly affecting aircraft performance, climb rates, and go-around capability.

Q: Does KDVT have an ILS approach?

No. KDVT does not have an ILS or VOR approach. All 3 published instrument approaches are RNAV (GPS) procedures. Pilots must have an IFR-certified GPS receiver and current database to fly these approaches. There is no non-GPS backup precision approach.

Q: What weather hazards should IFR pilots expect at KDVT?

Phoenix's desert environment produces extreme density altitude in summer, afternoon dust storms (haboobs) that can reduce visibility to near zero with no precipitation, and monsoon thunderstorms from July through September. Winter brings occasional fog and IFR conditions in the Phoenix basin.

Q: What is the RNAV (GPS)-B approach at KDVT?

The RNAV (GPS)-B is a circling-only approach — it provides instrument guidance to the airport environment but does not align with a specific runway. Circling minimums are higher than straight-in and require maintaining visual contact with the runway environment throughout the circling maneuver, per 14 CFR 91.175.

Sources

• AirNav — KDVT Airport Information
• SkyVector — KDVT Instrument Approach Procedures
• 14 CFR 91.131 — Operations in Class B Airspace (Cornell LII)
• 14 CFR 91.175 — Takeoff and Landing Under IFR (Cornell LII)
• FAA Instrument Flying Handbook FAA-H-8083-15B
• NWS Phoenix (PSR) — Aviation Weather

This article was researched from FAA primary sources (ACS, FAR/AIM, Advisory Circulars, Instrument Flying Handbook), approach procedure data from AirNav and SkyVector, and citing current 14 CFR Part 91 — drafted by MockDPE. Last updated: May 2026. If you spot an inaccuracy, email corrections@mockdpe.org.