Typical experimental installation
Panel-mounted
- Requires a separate reach
- Location varies by panel
- Adds another panel control
Sling TSiPurpose-built focus
Sling High WingPurpose-built focus
SPDT MomentaryTO/GA switch
SVK AeroBuilder developed
The human-factors advantage
Your hand is already on the throttle
A go-around demands timely power application, positive aircraft control and correct flight-director mode selection. A panel-mounted button requires a separate reach at the moment throttle control matters most.
throttleQ™ brings the command to the power-control hand. Apply power and activate the configured TO/GA mode from the same operating position—without adding another button to the instrument panel.
throttleQ™ TO/GA
Throttle-mounted
- Command directly at hand
- Consistent tactile location
- Integrated into the grip
“Within easy reach of the hand that normally operates the throttle.”
Garmin GFC 500 installation guidance · Go Around switch
The throttle-hand principle
A critical command should feel instinctive
Established cockpit-installation guidance recognizes a simple human-factors truth: the Go-Around command should be easy to reach and easy to locate without a visual search.
throttleQ™ applies that principle directly. The TO/GA button sits at the power-control hand, allowing the pilot to manage power and activate the configured avionics command from the same operating position.
01
Reach without relocating the handThe command is integrated into the throttle grip instead of occupying a separate panel position.
02
Locate by position and touchA consistent, dedicated control position supports immediate tactile identification.
03
Keep attention where it belongsDirect access avoids an unnecessary search across a custom instrument-panel layout.
Design reference: Garmin GFC 500 Autopilot with ESP Part 23 AML STC Installation Manual, P/N 190-02291-00, “Go Around Switch.” Referenced as an established human-factors design principle only. throttleQ™ is independently developed and is not manufactured, approved, sponsored or endorsed by Garmin or Sling Aircraft. About the Garmin GFC 500 (opens in a new window).
One button. Two flight phases.
What the TO/GA command does
Exact annunciations and system behaviour depend on the installed avionics, approved configuration and aircraft-specific setup.
On the ground
Takeoff mode
Activates the configured Takeoff flight-director mode, providing the applicable command guidance for departure.
In flight
Go-Around mode
Activates the configured Go-Around flight-director mode so the pilot can transition from approach guidance to climb guidance.
Integrated avionics
Configuration matters
Compatible Garmin navigators, displays and autopilot components may provide additional missed-approach functions when properly interconnected and configured.
Important: The TO/GA switch sends a command to compatible avionics. It does not move the throttle or apply engine power. The pilot remains responsible for power application, aircraft control and verification of all active modes.
throttleQ™ TO/GA
Designed around the Sling throttle
A familiar throttle format with the additional control that a modern integrated avionics suite can use.
Production button colour: The product visualizations on this website show a red pre-production button. Every throttleQ™ assembly sold and shipped to customers will be fitted with a black TO/GA push button.
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At-hand activationDedicated black TO/GA push button positioned at the grip.
02
Machined constructionAluminum lever arm and multi-piece cylindrical grip.
03
Momentary commandIntegrated SPDT momentary push-button switch with routed wiring leads.
04
Clean integrationDesigned around compatible Sling TSi and Sling High Wing throttle installations.
Physical characteristics
Engineered for the Sling cockpit
Machined components, familiar throttle geometry and an integrated momentary switch come together as one focused control assembly.
Integrated TO/GA control
The black momentary push button is positioned at the end of the grip for direct tactile and thumb access.
Multi-piece aluminum grip
The cylindrical grip maintains a familiar power-control hand position while accommodating the integrated switch assembly.
Machined aluminum lever arm
The solid lever arm provides the structural connection between the throttle grip and the existing throttle-quadrant mechanism.
Weight-reduction openings
Machined openings remove unnecessary material from the lever while creating its distinctive engineered profile.
Routed switch wiring
The switch wiring follows a controlled path through the assembly for a clean installation and unrestricted throttle movement.
Throttle-quadrant interface
The assembly is designed around the original Sling throttle mounting position and movement path, subject to aircraft-level fit verification.
Final dimensions, weight, switch rating and installation-interface specifications will be published with the production configuration.
Simple, secure ordering
One assembly.
One checkout.
Purchase the throttleQ™ TO/GA Throttle Assembly here, then complete payment and delivery details through Shopify's secure checkout. Shopify is used only to process the order.
- throttleQ™ TO/GA throttle assembly
- Integrated black SPDT momentary push-button switch
- Pre-routed wiring, fasteners and mounting hardware
SVK Aero
throttleQ™ TO/GA
Throttle Assembly
First-Run Launch Price
Regular price: $349 USD
$299USD
For compatible Sling TSi and Sling High Wing installations. Confirm mechanical fit and the intended avionics discrete input before ordering.
Checkout with ShopifySelect checkout to complete secure payment and shipping through Shopify.
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Fitment first
Confirm compatibility before ordering
Experimental aircraft can differ in throttle geometry, mounting clearances and avionics wiring. Product appearance alone is not a fitment check.
Request a compatibility reviewAircraftProduct focusVerify
Sling TSiDesigned configurationThrottle geometry & avionics input
Sling High WingDesigned configurationThrottle geometry & avionics input
Other modelsNot currently advertisedContact before ordering
Have these details ready
- Aircraft model, year and serial number
- Photograph of the existing throttle installation
- Available mounting dimensions and clearances
- Avionics equipment and intended TO/GA input
Installation path
Fit. Connect. Verify.
The aircraft owner and installer remain responsible for applicable approval, inspection, testing, documentation and operating requirements.
Confirm fit
Validate the throttle configuration, mounting geometry, clearances and electrical interface.
Install correctly
Complete the mechanical installation and connect the momentary switch to the intended avionics discrete input.
Inspect and test
Verify unrestricted throttle movement, secure wiring and correct flight-director annunciation before return to service.
SVK Aero
Purpose-built cockpit systems for experimental aviation
throttleQ™ grew from a straightforward cockpit question: if the pilot's hand is already managing power, why place the Takeoff/Go-Around command somewhere else? Designed by a Sling TSi builder, it is the first product from SVK Aero. commandQ, a touchscreen aircraft-lighting control interface, is currently in development.
Questions before purchase
Frequently asked questions
Final fitment and system behaviour must always be evaluated for the individual aircraft.
Why place the TO/GA button on the throttle instead of the instrument panel?
During takeoff and go-around, the pilot’s hand is already managing engine power. throttleQ™ places the TO/GA command directly beneath that hand, eliminating the need to reach for a separate panel-mounted button during a demanding phase of flight.
How can throttleQ™ simplify a go-around?
A go-around requires coordinated power application, aircraft control and avionics mode selection. With throttleQ™, the pilot can advance the throttle and activate the configured Go-Around mode from the same hand position, reducing unnecessary hand movement.
What is the benefit during takeoff?
When properly connected and configured, the throttle-mounted button allows the pilot to activate the applicable Takeoff flight-director mode while maintaining a normal power-control hand position.
Why is a consistent button location important?
Panel layouts differ between experimental aircraft, and panel-mounted TO/GA buttons can be installed in widely varying locations. throttleQ™ provides a predictable and tactile control position directly on the throttle grip.
Can the TO/GA button be operated without looking away from the flight instruments?
The button is designed for immediate thumb access while holding the throttle. Its dedicated control and consistent position help the pilot identify and operate it by touch, without first searching the instrument panel.
Does throttleQ™ change how the throttle is normally operated?
No. throttleQ™ maintains the familiar throttle-control format while adding an integrated momentary TO/GA switch. The pilot continues to move the throttle normally to apply or reduce engine power.
Does throttleQ™ help preserve instrument-panel space?
Yes. Integrating the TO/GA control into the throttle eliminates the need to dedicate additional panel space to a separate TO/GA push button.
Why choose throttleQ™ instead of installing a separate push button?
throttleQ™ provides a purpose-built assembly with the button integrated into the grip, controlled wiring routing and a machined throttle lever. It offers a cleaner and more intentional installation than placing a generic push button elsewhere in the cockpit.
Is throttleQ™ useful only when flying an instrument approach?
No. The configured TO/GA command may be used for both Takeoff and Go-Around flight-director modes. Exact functions and annunciations depend on the aircraft’s installed avionics and configuration.
Is throttleQ™ intended to replace pilot action?
No. throttleQ™ does not move the throttle, apply engine power or fly the aircraft. It gives the pilot more direct access to the configured avionics command while the pilot remains responsible for power, aircraft control and mode verification.
Does the button apply takeoff or go-around power?
No. The pilot moves the throttle. The momentary switch sends the configured TO/GA command to compatible avionics.
What aircraft is the assembly designed for?
The current product focus is compatible Sling TSi and Sling High Wing installations. Aircraft-specific fitment and avionics compatibility must be verified before ordering.
Will it work with every Garmin panel?
No universal compatibility claim is made. Operation depends on the installed displays, navigator, autopilot components, wiring and system configuration.
Who should install it?
The owner must select an appropriately qualified installer and determine the approval, inspection, testing and documentation required for the aircraft.
How does online ordering work?
Product information remains on this website. The purchase button transfers the selected assembly to Shopify only for secure checkout, payment, order confirmation and fulfilment updates.
Product enquiries
Tell us about your aircraft
For a compatibility review or information about an upcoming product, send the aircraft and system details below.
01
Identify the aircraft model and serial number.
02Select the SVK Aero product that interests you.
03Describe the relevant throttle, lighting and avionics configuration.