Voice Commands

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FSFO Voice Commands

This page lists the currently supported English FSFO v6 voice commands and phrase formats based on the live speech grammar and command handlers.

To start speech recognition, click the microphone icon in the top-right corner. When recognition is active, the icon turns green.

When a command includes numbers, speak each digit normally. Example: say two three zero for heading 230, or one two three four for squawk 1234.

Some commands accept aliases. This page lists the primary supported phrases plus the common alternates that FSFO currently recognizes.

General

  • Voice Test

Tests voice output and confirms that speech recognition is active.

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Flows, Checklists, and Briefing Responses

Start a Flow

Say any of the following to start a flow:

  • Preflight Flow
  • Cockpit Prep Flow
  • Cockpit Preparation Flow
  • Let’s Get Started
  • Before Start Flow
  • Start Engines
  • After Start Flow
  • Before Taxi Flow
  • Taxi Flow
  • Before Takeoff Flow
  • Takeoff Flow
  • Lineup Flow
  • After Takeoff Flow
  • Descent Flow
  • Approach Flow
  • Landing Flow
  • After Landing Flow
  • Shutdown Flow
  • Parking Flow

Start a Checklist

Say any of the following to start a checklist:

  • Preflight Checklist
  • Cockpit Prep Checklist
  • Cockpit Preparation Checklist
  • Before Start Checklist
  • After Start Checklist
  • Before Taxi Checklist
  • Taxi Checklist
  • Before Takeoff Checklist
  • Takeoff Checklist
  • Lineup Checklist
  • After Takeoff Checklist
  • Descent Checklist
  • Approach Checklist
  • Landing Checklist
  • After Landing Checklist
  • Shutdown Checklist
  • Parking Checklist

Supplemental Flows and Checklists

  • Supplemental Checklist One
  • Supplemental Flow One
  • Supplemental Checklist Two
  • Supplemental Flow Two
  • Supplemental Checklist Three
  • Supplemental Flow Three

Checklist Continuation Phrases

Use these when FSFO is waiting for checklist continuation or readiness:

  • Ready For The Checklist
  • Run The Checklist

Briefing Response Phrases

Use these when FSFO is waiting for briefing readiness or for briefing questions to be answered:

  • All Set For The Brief
  • Ready For The Briefing
  • No Questions

Note: The speech grammar currently recognizes Departure Briefing and Approach Briefing, but those phrases are not documented here as primary start commands because they are not directly dispatched in the same way as the confirmed flow and checklist commands above.

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Checklist Responses

These are the currently supported spoken responses FSFO accepts when it is waiting for a checklist answer:

  • Advised
  • Armed
  • As Required
  • Auto
  • Checked
  • Clear
  • Close
  • Closed
  • Completed
  • Confirmed
  • Continuous
  • Cutoff
  • Down
  • Free and Zero
  • Idle
  • Landing No Blue
  • Locked
  • Manual
  • Max
  • Nav
  • No Blue
  • Normal
  • Normal and Auto
  • Not Required
  • Notified
  • Off
  • On
  • On and Auto
  • Ready
  • Received
  • Rejected Takeoff
  • Removed
  • R-T-O
  • Set
  • Steady
  • Strobe and Steady
  • Takeoff No Blue
  • Tested
  • Up

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Aircraft Configuration

Gear and Brakes

  • Gear Up
  • Gear Down
  • Parking Brake On
  • Parking Brake Off

Flaps

Primary supported flap phrases:

  • Flaps Up
  • Flaps Zero
  • Flap Zero
  • Flaps Full

Fixed built-in detent phrases currently recognized:

  • Flaps One
  • Flaps Two
  • Flaps Three
  • Flaps Four
  • Flaps Five
  • Flaps Eight
  • Flaps Ten
  • Flaps Fifteen
  • Flaps Seventeen
  • Flaps Eighteen
  • Flaps Twenty
  • Flaps Twenty-Four
  • Flaps Twenty-Five
  • Flaps Twenty-Eight
  • Flaps Thirty
  • Flaps Forty
  • Flaps Forty-Five
  • Flaps Fifty

FSFO also loads additional dynamic flap detent phrases from the active aircraft configuration. If an aircraft profile defines custom flap stops, those spoken detents are also recognized.

Speed Brake

  • Extend Speed Brake
  • Retract Speed Brake
  • Arm Speed Brake
  • Disarm Speed Brake

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Autopilot and Flight Guidance

Heading, Speed, Altitude, and Flight Level

  • Set Heading X

X = a 3-digit heading. Examples: Set Heading 332, Set Heading 005

  • Set Speed X
  • Set Airspeed X

X = a 3-digit speed. Example: Set Speed 235

  • Set Altitude X

FSFO currently supports direct altitude phrases in the low-thousands format used by the built-in grammar, such as Set Altitude 4000 spoken as set altitude four thousand.

  • Set Flight Level X

X = a 3-digit flight level. Example: Set Flight Level 230

Autopilot Selection

  • Autopilot One
  • Autopilot A
  • Autopilot Two
  • Autopilot B
  • Autopilot On
  • Autopilot Off

Flight Guidance Modes

  • Lateral Navigation
  • L-Nav
  • Vertical Navigation
  • V-Nav
  • Navigation Mode
  • Nav Mode
  • Vertical Speed Mode
  • Level Change Mode
  • Approach Mode
  • Heading Select
  • Managed Mode
  • Open Climb
  • Open Descent
  • Managed Climb
  • Managed Descent

Power Modes

  • Takeoff Power
  • Climb Power

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Communications and Altimeters

Frequency and Squawk Entry

Primary spoken formats:

  • Set Frequency X
  • Set Squawk X

Accepted frequency aliases:

  • Set Comm 1 X
  • Set Comm One X
  • Set Comm X
  • Set Com 1 X
  • Set Com One X
  • Set Com X

Accepted squawk aliases:

  • Set Squak X
  • Set Squock X

Examples:

  • Set Frequency 11875
  • Set Comm One 12190
  • Set Squawk 1234

Quick-Tune and Contact Commands

  • Contact Tower
  • Contact Center
  • Contact Departure
  • Contact Approach
  • Contact Ground
  • Contact Clearance Delivery
  • Tune Tower
  • Tune Unicom
  • Tune C-TAF
  • Tune ATIS
  • Tune Weather

Altimeter Commands

  • Standard Pressure
  • Set Altimeters

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Copilot Aircraft Control

These commands are used to transfer or return control when the copilot-flying feature is available:

  • Your Plane
  • Your Aircraft
  • Copilot Plane
  • My Plane

When the copilot is flying the takeoff, FSFO also accepts these manual captain-side takeoff callouts:

  • Speed Alive
  • 80 Knots
  • 100 Knots
  • Positive Rate

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Lights and Systems

Systems

  • Anti-Ice On
  • Anti-Ice Off
  • Wipers On
  • Wipers Off
  • Seatbelt Sign On
  • Seatbelt Sign Off

Lights

  • Taxi Lights On
  • Taxi Lights Off
  • Turn Off Lights On
  • Turn Off Lights Off
  • Strobe Lights On
  • Strobe Lights Off
  • Landing Lights On
  • Landing Lights Off
  • Crossing Lights On
  • Crossing Lights Off

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Pushback and Ground Handling

These commands are used for voice-driven pushback and tug interaction:

  • Ground From Cockpit
  • Ready For Push Back
  • Pushback Left
  • Pushback Right
  • Pushback Straight
  • Ready For Push Back Left
  • Ready For Push Back Right
  • Ready For Push Back Straight
  • Nose Left
  • Nose Right
  • Nose Straight
  • Start Planned Pushback
  • Stop Push Back
  • Abort Push Back

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Intercom and Cabin Phrases

These phrases are used when FSFO is waiting for an intercom response or a cabin-related acknowledgement:

  • Go Ahead
  • Negative
  • Yes
  • A-Firm
  • Roger
  • Thank You
  • Prepare Cabin For Takeoff
  • Prepare Cabin For Landing
  • We Have Turbulence Ahead
  • We Have Cleared The Turbulence
  • You Can Expect A Delay
  • Would You Mind Getting Me A Cup Of Coffee
  • Would You Mind Covering While I Use The Restroom

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Notes

  • FSFO includes some internal normalization and recognition tolerance for a few phrases, especially around radio tuning and squawk entry. The primary user-facing phrases on this page are the ones you should document and recommend first.
  • If a command is not working, confirm that speech recognition is active, the selected speech engine is configured correctly, and that the command category is not disabled in Settings.
  • Radio and transponder commands can be blocked by the Disable Radio Cmds setting.

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