Skip to main content
Exam Prep

Lost Communications and Other Scenario Questions Explained

By Aviation Test Prep Team ·

Lost Communications and Other Scenario Questions Explained

Why Lost Communications and Scenario Questions Trip Up Pilots

When student pilots sit down for their FAA written exam, straightforward knowledge questions are rarely the ones that cause trouble. It's the lost communications and other scenario questions that generate the most anxiety — and the most missed points. These multi-layered, situational problems ask you to apply regulations, procedures, and aeronautical decision-making all at once, often under the pressure of a ticking exam clock. Understanding how to approach them systematically is one of the most valuable skills you can develop before test day.

Lost Communications and Other Scenario Questions Explained

What Are Scenario-Based Questions on the FAA Written Exam?

Scenario-based questions present a realistic flight situation and ask what you should do, what applies, or what would happen next. Rather than testing a single isolated fact, they require you to connect several pieces of knowledge. Common scenarios include:

  • Two-way radio communication failure (lost communications) in controlled airspace
  • Unexpected IMC encounters for VFR pilots
  • Airspace busts and how to recover or avoid them
  • Emergency declarations and pilot-in-command authority
  • ATC instruction conflicts with safety

The lost communications scenario is especially popular on Private Pilot and Instrument Rating exams because it directly tests whether you understand 14 CFR Part 91.185, transponder squawk codes, and the priority of actions in a dynamic environment.

Understanding Lost Communications Procedures (14 CFR 91.185)

If you lose two-way radio communication in IMC or while operating in controlled airspace, the FARs provide a clear framework. Knowing this regulation cold will help you decode almost any lost-comms scenario the exam throws at you.

What Route Should You Fly?

Under 91.185, when flying IFR with lost communications, you should fly the most advantageous of the following routes:

  1. The route assigned by ATC in your last clearance
  2. The route ATC told you to expect in a further clearance
  3. The route filed in your flight plan

The acronym AVE F (Assigned, Vectored, Expected, Filed) is a popular memory tool. Always start with what you were last cleared to do and work down the list.

What Altitude Should You Fly?

For altitude, fly the highest of:

  • The altitude ATC assigned
  • The minimum altitude for IFR operations along the route
  • The altitude ATC told you to expect

Again, the goal is safety. Maintaining the highest applicable altitude provides terrain and obstacle clearance while keeping you within a predictable envelope that controllers will expect.

Squawk 7600

The moment communications fail, squawk 7600 on your transponder. This tells ATC and other facilities immediately that you have a radio failure. Controllers have established lost-communications procedures specifically because they know this happens, and squawking 7600 activates those procedures on their end. Do not forget this step — exam questions frequently include it as a correct or incorrect answer choice.

A Step-by-Step Approach to Any Scenario Question

Lost communications is just one flavor of scenario question. Here is a five-step method you can apply to virtually every situational problem on the FAA written exam:

  1. Identify the regulatory or procedural anchor. Every scenario is rooted in a specific FAR, AIM procedure, or ACS task. Ask yourself: what rule governs this situation?
  2. Strip away the story. Scenario questions are often wrapped in narrative detail designed to distract. Identify the actual question being asked and separate it from the atmospheric details.
  3. Eliminate impossible answers first. If an answer choice violates a clear regulation (e.g., squawking 7700 for lost comms rather than 7600), eliminate it immediately.
  4. Apply the

Ready to pass your FAA written exam?