CESSNA 182 SKYLANE SERIES AUTOPILOT SYSTEM



Autopilot Model Applicability

The Dynon SkyView 2-axis autopilot is certified for installation into Cessna 182E thru 182T, R182, T182, TR182, and T182T models.

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Cessna 182 Customer Gallery

SkyView Autopilot Details

Autopilot Features as of 10/2024


Feature Available
Straight and Level
Roll modes: ROLL HOLD, HDG, TRK, HSI, GPS Steering
Altitude Hold
Altitude Pre-Select
Altitude Change via VS or IAS
VNAV/Glideslope
Fully-coupled approaches (GPS/VNAV/LPV/GS/LOC/ILS)
Flight Director
Yaw Damper *
SkyView Trim Guidance **
SkyView Trim Controller ***
SkyView Trim Speed Scheduling ***
Autopilot Auto-Trim ***

* The Yaw Damper is currently available for Beechcraft Bonanza 35 and 36, Baron 58, and Mooney M20 series models with approved autopilot.

** SkyView Trim Guidance alerts the pilot that nose up or nose down trim needs to be applied to keep the aircraft in trim.

*** Trim control features including Autopilot Auto-Trim require the installation of the SV-AP-TRIMAMP and SV-AP-PANEL. The aircraft must also have an electric trim system installed via original equipment, an existing STC, or other certification means. The SkyView STC is not grounds for installation of a trim motor.

This feature is currently available on Cessna 182, Beech 35 series, Beech 36 series, Beech Baron 58 series, and Piper Seneca aircraft with Dynon Autopilot installed.

For more information, please see the SV-AP-TRIMAMP Trim Motor Adapter product page.

Pilot Interface

The optional SkyView Autopilot integrates with SkyView HDX to provide you with automated control of your airplane in the pitch and roll axes. This means that you can command the autopilot to follow your pre-defined flightplan, fly direct-to a waypoint, VOR, or airport, and turn to and maintain the heading or track of your preference. The autopilot will also climb or descend to and maintain the altitude of your choice using either vertical speed or airspeed to control the climb and descent rate. The autopilot will fly any instrument precision approach or non-precision approach when your aircraft is equipped with a compatible third-party IFR navigation device.

Yaw control is also available for select aircraft in the form of a yaw damper. The SkyView Autopilot yaw damper will counter the effects of yaw instability by maintaining a centered slip/skid indicator. Minor yaw instability often reveals itself during turbulence. Some airplanes will generate lateral G oscillations (tail-wag) when turbulence is encountered. The result is an uncomfortable ride that can contribute to airsickness of sensitive passengers. Some airplanes generate opposing yaw when rolling into a turn, which requires the coordinated application of rudder to keep the slip/skid indicator centered. If your airplane has this adverse yaw tendency, the yaw damper will aid the autopilot during heading changes by applying the necessary rudder to maintain a coordinated turn. If your airplane experiences either of these two conditions, ride comfort and autopilot performance will be improved if you install the yaw damper with your autopilot.

Autopilot Menu

Autopilot Control Menu

Autopilot Control Menu

The standard SkyView autopilot interface is the on-screen control menu. The on screen control menu can be accessed by simply touching the AP Status Bar (described below) which is always visible on the Primary Flight Display (PFD).

The control menu has two or three buttons across the top, depending on whether the yaw damper has been installed or not. The button marked AP engages the autopilot. The button marked FD will turn on the Flight Director when flying manually with the autopilot not engaged (the flight director turns on automatically when the autopilot is engaged). The third button will engage the Yaw Damper, if installed. The green indicators on each button provide the status for each system.

Below the top row of buttons are where the various control modes are located. These buttons divide into the roll and pitch modes.

The Roll modes include HDG (heading), TRK (track), NAV (navigation) and HSI SRC (Horizontal Situation Indicator Source Selector).

The Pitch modes consist of ALT HOLD (altitude hold), VS (vertical speed) VNAV (vertical navigation, and IAS (indicated airspeed). ALT HOLD, VS, and IAS all have pilot selectable values associated. VS mode is expressed in the rate of feet per minute the pilot desires to climb or descend. IAS mode simply selects the current speed the airplane is traveling at, and maintains this speed while climbing or descending. The nose up and nose down button allows the pilot to increase or decrease the vertical control mode value, which could be vertical speed or the airplane's indicated airspeed, depending on the selected mode. VNAV mode either arms or engages the approach mode with vertical guidance that has been selected for the desired approach.


AP Status Indication

When the autopilot is engaged, one of the pilot’s tasks is to monitor the autopilot system. To monitor the system, the pilot needs to understand the autopilot's status at all times. To accomplish this, the SkyView display provides the autopilots status continuously via the AP Status bar located on the top left of the Primary Flight Display.

When the autopilot is not engaged, the autopilot status will be empty with the letters AP displayed in white.

AP Status Bar indicating that the autopilot is not engaged

AP Status Bar indicating that the autopilot is not engaged

When the autopilot is engaged, the AP Status Bar will provide all of the autopilot status information:

AP Status Bar indicating that the autopilot is engaged

AP Status Bar indicating that the autopilot is engaged

The autopilot status bar is divided into three zones, roll status to the left, autopilot engagement status in the center, and pitch status on the right. When the autopilot is engaged, the AP letters will be displayed in green. Because the roll and pitch modes can be engaged separately, green arrows will also appear to indicate the engaged mode- roll, pitch, or both, as shown below. White pitch or roll status represents armed modes. Armed modes are modes that will automatically engage when certain parameters are met.

AP Status Bar Information Zones

AP Status Bar Information Zones

In the roll status area, the roll mode selected by the pilot is displayed, along with the pilot selected value associated with that mode. In the depicted case above, the pilot has selected heading (HDG) mode, which means the autopilot will steer the airplane by turning to and maintaining the heading selected by the pilot, in this case 185 degrees magnetic. The roll status may include an armed mode that the autopilot will transition to automatically when a selected target has been reached. In this case, no modes are armed.

The pitch status appears on the right hand side of the autopilot status bar. This area displays the selected pitch mode and the pilot selected value. In this case, vertical speed has been selected as the pitch mode, and 500 feet per minute has been selected as the value. The pitch status may include the armed mode that the autopilot will transition to automatically when a selected target has been reached. In the example, the armed pitch mode is ALT (altitude hold).
The figure below represents examples of the forms of status that can be displayed on the Autopilot Status Bar.

INDICATION DISPLAY MEANING
AP is white and no other indications are shown. Autopilot is OFF.
The Flight Director is OFF.
AP is white. The lateral and vertical modes and pilot-set values are cyan. Autopilot is OFF.
Flight Director is ON with HDG and ALT modes active.
AP is green and vertical mode pointer is green, vertical mode, and pilot-set values are cyan. Autopilot is ON. Flight Director is ON. Altitude Hold mode is engaged. No lateral modes are engaged.
AP and both lateral and vertical pointers are green. The lateral and vertical modes, and associated pilot-set values are cyan. The autopilot is ON. The Flight Director is ON. The lateral mode is heading, the vertical mode is altitude hold.
AP and both lateral and vertical arrows are green, the lateral and vertical modes, and associated pilot-set values are cyan. The Green vertical arrow is scrolling up or down. Autopilot is ON Flight Director is ON. The lateral mode is heading, the vertical mode is altitude hold. Auto-trim is commanding a pitch trem adjustment.
AP and both lateral and vertical arrows are green, the lateral and vertical modes, and associated pilot-set values are cyan. Armed vertical mode is white with white arrow. Autopilot is ON. Flight Director is ON. Lateral mode is heading, vertical mode is vertical speed. Altitude capture and hold mode is armed for future automatic engagement.
AP and both lateral and vertical arrows are green, the lateral mode and associated pilot-set value is cyan. The vertical mode and associated pilot-set value alternate between cyan-on-black background, and black-on-cyan background (flashing). Autopilot is ON. Flight Director is ON. Lateral mode is heading, vertical mode has automatically transitioned to altitude capture and hold mode. Lateral and vertical modes and the pilot-set values will flash for 10 seconds during an automated mode transition from armed to active.

Yaw Damper Control

Yaw Damper Status Indicator

Yaw Damper Status Indicator

The Yaw Damper, if installed, may be engaged independently from the autopilot and can be engaged when the autopilot is not. The Yaw Damper on/off control resides on the autopilot control menu, or the optional Yaw Damper toggle button may be installed.

To independently engage the Yaw Damper, select the YD button on the autopilot control menu. The YD button light will turn green when engaged, and the Slip/Skid Indicator will appear green, with the letters YD in black. To disengage the Yaw Damper, toggle the YD button on the autopilot control menu to off. The green YD button light will extinguish.

Yaw Damper status is also provided on the PFD. The Slip/Skid Indicator (Ball) will change its appearance when the Yaw Damper is engaged from white to green, with the letters YD, as shown in the figure below.

Because the Yaw Damper provides active control of the rudder, it should be deactivated when manual flight maneuvering is required, such as when entering an airport traffic pattern. However, if forgotten, applying pressure on a rudder pedal when the Yaw Damper is engaged will just override the Yaw Damper and cause the Yaw Damper servo to slip, just as the autopilot servos do.


Autopilot Flight Director

SkyView Flight Director Styles

SkyView Flight Director Styles

Autopilot control mode guidance can be used to fly manually by following the targets calculated by the autopilot without engaging the servos. The targets are provided visually on the PFD by the Flight Director. The autopilot enforced limits on Airspeed and G are honored by the Flight Director. For example, if a descent rate is selected that reaches the maximum autopilot operation speed the flight director will indicate a pitch up to reduce speed and limit descent rate.

To fly manually with the flight director on, configure the autopilot control menu as described above, but instead of pushing the AP button, push the FD button instead. The flight director will immediately begin to move in the configured manner, and you will need to maneuver the airplane to match the flight director queues displayed on the PFD.

SkyView provides two selectable flight director styles to choose from.


Instrument Panel-Mounted Controls

While the SkyView display’s autopilot control menu, along with the display’s knobs can be used to operate the autopilot, an assortment of optional instrument panel-mounted controls are also available that provide direct-button access to the autopilot modes and functions.

Autopilot Control Panel

Vertical and Horizontal Panel-Mounted AP Control Panels

Vertical and Horizontal Panel-Mounted AP Control Panels

The autopilot control panel is available in both horizontal and vertical layouts. These dedicated control panels provide the same controls as the expert control menu described above, with the exception of the added Level button. The benefits of the autopilot control panels is that it provides direct-button access to all of the autopilot's control modes. The pilot does not need to open the autopilot menu on the display to control the autopilot.

The autopilot control panel also provides Auto-Trim. The autopilot control panel includes a trim system controller, which is intended to allow the autopilot to automate the use of your electric pitch and roll trim systems, should your airplane be equipped. Auto-trim is not required, but it is very nice to have, as the autopilot will always keep the airplane in trim. Without Auto-trim, the pilot will simply respond to trim input commands displayed on the PFD by applying trim manually.

Autopilot Disconnect Button

The Autopilot Disconnect Button is a panel-mounted button that's purpose is to immediately disengage the Autopilot. It is recommended that a button be mounted to the control yoke or stick to be used to disconnect the Autopilot. If this is not possible, the Autopilot Disconnect Button can perform this function. At least one Autopilot disconnect button of some form must be installed.

Autopilot Level Button

The Autopilot Level button is a panel-mounted button that's purpose is to activate/deactivate the autopilots Straight and Level Mode in the event of an airplane upset condition.

Pressing the Level button (or Straight and Level Mode) will immediately command the autopilot to pitch the airplane to zero vertical speed and roll it to zero degrees of bank. It will not attempt to fly the airplane to any previous altitude, heading or track, and it will not respect any bug inputs. It will maintain the level pitch and bank attitudes, on the heading and altitude at which it recovered to. When activated, Level Mode will engage the Autopilot if it was not already engaged.

Note that the autopilot control panel includes a level button. Locating this button in the co-pilot position however, adds an additional level of safety. While the primary purpose of this safety feature is to aid the pilot’s recovery from an unusual attitude should the pilot lose the visual horizon and become confused. The Level button may also be used by the person seated in the right seat to quickly engage the autopilot should the pilot be incapacitated.

Knob Control Panel

Vertical and Horizontal Panel-Mounted Knob Control Panel

Vertical and Horizontal Panel-Mounted Knob Control Panel

The Knob Control Panel, available in horizontal and vertical layouts, is a helpful aid for using the autopilot. This panel gives you direct access to the knobs used to select the desired heading (HDG) or Track (TRK) value you want the autopilot to hold, as well as the altitude (ALT) value you want the autopilot to capture and hold. The third knob, BARO, lets you directly adjust the barometer setting just as you would on a mechanical pressure-sensitive altimeter.

This panel is optional. All of these functions are adjustable by using one of the two knobs on the display. Many pilots find having dedicated controls to be a significant workload reducer.


Safety Features

The SkyView autopilot has many features designed to protect the airplane and its occupants.

Flight Envelope Protection

SkyView’s Autopilot system provides a number of safety features to protect the airplane and pilot from any system faults or failures, and some pilot operation errors. The Autopilot automatically protects the aircraft envelope while the autopilot is engaged. The autopilot will not, however, self-engage to protect the aircraft envelope while flying manually. The SkyView autopilot flight envelope protective features are listed below.

G Limit Protection

  • Prevents the total vertical aircraft acceleration from exceeding -0 and +2 Gs.
  • Temporarily overrides all vertical axis control modes as long as the G limit is exceeded.

Airspeed Protection

  • Limits the maximum airspeed to: VNE - 5%. The VNE value is configurable for your airplane.
  • Limits the minimum airspeed to: VS0 + 30%. The VS0 value is configurable for your airplane.
  • Overrides all vertical axis modes except G limit for as long as the above conditions are exceeded.
  • Prevents autopilot from being engaged outside of the minimum and maximum control speeds.

Bank Limit Protection

  • Control inputs will not exceed 35° or a lower maximum that is configured by the installer during system installation.

Take Off Protection

  • Autopilot automatically disengages if the autopilot is already engaged as airspeed comes alive (~20 kts) to prevent the airplane from taking off with the autopilot engaged. This allows the autopilot to be engaged on the ground for operation testing and maintenance.

Mode Fail-Down

  • Autopilot will fail down to a less complex mode if the current or requested function is no longer possible.
  • Prevents autopilot from disconnecting when data from an external source is lost.
  • When such a fail-down occurs, the autopilot mode flashes and is replaced with the new mode. A visual and audio cue is generated for such mode changes.
Engaged Mode Primary Fail-Down Mode Secondary Fail-Down Mode
NAV TRK HDG
TRK HDG Autopilot Disconnects
HDG TRK Autopilot Disconnects
IAS ALT Autopilot Disconnects
VNAV ALT Autopilot Disconnects
VS Autopilot Disconnects Not Applicable
ALT Autopilot Disconnects Not Applicable

Servo Break-Away

  • Each Autopilot servo has a shear-screw that will break-away when applied force to the control reaches a maximum value.
  • The shear-screw provides protection should the servo become jammed and prevent the flight control system from moving.
  • The pilot must overcome the servo break-away force if a flight control fails to move as expected and is jammed by the autopilot servo. Breaking the shear-screw frees the flight controls from the affected servo.


Autopilot Alert Annunciations

The autopilot will provide both visual and aural alerts designed to both attract your attention, and inform you with the required action you must take to preserve the autopilot’s performance.

Servo Break-Away

Trim Alert Examples

Trim Alert Examples

Trim alerts are displayed on the PFD in airplanes with manual trim systems when the autopilot detects loads acting upon it. These alerts indicate to the pilot that trim adjustment is necessary. After being displayed for 10 seconds, an aural will annunciate to attract your attention. Your response should be to adjust the trim in the direction indicated in the alert until the alert is removed.

Servo Slip Alerts

Roll, Pitch, and Yaw Slip Alert Examples

Roll, Pitch, and Yaw Slip Alert Examples

Servo Slip alerts display on the PFD whenever a servo is unable to move the controls in the direction commanded by the autopilot. Servo slips are expected from time to time, and are not the same as breaking the shear screw as previously described. Servo Slip alerts are generally transient and usually occur when control loads are increased by:
  • Turbulent air.
  • The pilot overriding the flight controls.
  • Significant Out-of-trim condition for the affected control.

Slip+Trim Alerts

Slip Trim Alert Example

Slip Trim Alert Example

When the autopilot carries a large trim load for an extended period, the affected servo may begin to slip. When this occurs, the Autopilot triggers slip and trim alerts together. If the alert persists, the aircraft is likely severely out of trim. In this situation disconnect the autopilot, trim the aircraft appropriately, and then re-engage the autopilot.

Airspeed Alerts

Airspeed High/Low Alert Example

Airspeed High/Low Alert Example

When the airplane reaches the minimum or maximum limit speeds configured in the autopilot, the autopilot will pitch the nose up or down as required to prevent the airplane from exceeding these limit speeds. Whenever this protective feature is active, the autopilot alerts you by displaying the visual alert. If action does not occur in 10 seconds, an aural will annunciate to attract your attention.

Level Button

Pressing the Level button (or Straight and Level Mode) will immediately command the autopilot to pitch the airplane to zero vertical speed and roll it to zero degrees of bank. It will not attempt to fly the airplane to any previous altitude, heading or track, and it will not respect any bug inputs. It will maintain the level pitch and bank attitudes, on the heading and altitude at which it recovered to. When activated, Level Mode will engage the Autopilot if it was not already engaged.

The primary purpose of this safety feature is to aid the pilot’s recovery from an unusual attitude should the pilot lose the visual horizon and become confused. It may also be used to quickly turn the autopilot on to have the autopilot momentarily take over when you’re otherwise hand-flying the aircraft.

Operating Modes

The autopilot uses control modes and in some cases, control functions, to accomplish certain kinds of automated tasks. The pilot chooses the mode or function that matches what the pilot wants to accomplish. The roll modes maneuver the airplane left and right, laterally across the ground. The vertical control modes maneuver the airplane vertically, to change an altitude by climbing or descending, as well as maintain a selected altitude.

LEVEL (Straight and Level) Function

Pressing the Level button (or Straight and Level Mode) will immediately command the autopilot to pitch the airplane to zero vertical speed and roll it to zero degrees of bank. It will not attempt to fly the airplane to any previous altitude, heading or track, and it will not respect any bug inputs. It will maintain the level pitch and bank attitudes, on the heading and altitude at which it recovered to. When activated, Level Mode will engage the Autopilot if it was not already engaged.

The primary purpose of this safety feature is to aid the pilot’s recovery from an unusual attitude should the pilot lose the visual horizon and become confused. It may also be used to quickly turn the autopilot on to have the autopilot momentarily take over when you’re otherwise hand-flying the aircraft.


HDG (Heading Hold) Mode

When the HDG button is pushed, and the pilot has selected a heading, the autopilot will turn the airplane in the shortest angular direction to reach the selected heading. The autopilot will capture the selected heading by decreasing the turn rate to zero as it rolls out onto the selected heading. The autopilot will maintain this heading until commanded otherwise. If a heading has not been selected when heading mode is engaged, the system will default to maintaining the current heading. When this occurs, the pilot may then change the selected heading using the heading selector, and the autopilot will turn toward and capture the new selected heading.


TRK (Track Hold) Mode

When the TRK button is pushed, and the pilot has selected a track, the autopilot will turn the airplane in the shortest angular direction to reach the selected track. The autopilot will capture the selected track by decreasing the turn rate to zero as it rolls out onto the selected track. The autopilot will maintain this track until commanded otherwise. If a track has not been selected when heading mode is engaged, the system will default to maintaining the current track. When this occurs, the pilot may then change the selected track using the track selector, and the autopilot will turn toward and capture the new selected ground track.


ROLL (Roll Hold) Mode

The roll hold mode is the default roll mode used by the system when the autopilot is engaged without a roll mode selected in advance. In roll hold mode, the autopilot will hold the current bank angle, or the maximum bank angle limit, whichever is smaller, until commanded otherwise.


NAV (Navigation) Mode

The autopilot follows the pilot selected navigation guidance as depicted on the HSI. This can be SkyView’s flight plan or guidance from connected third-party sources, such as a NAV radio or IFR GPS Navigator.


VS (Vertical Speed) Mode

The autopilot will climb or descend while maintaining the selected vertical speed (aircraft performance permitting) and shall do so until commanded otherwise. If a target altitude has been selected, the autopilot will reduce the vertical speed to zero to stop the climb or descent on the selected altitude. Upon capturing the altitude, the autopilot automatically changes to ALT mode to maintain the altitude.


IAS (Indicated Airspeed) Mode

The autopilot will climb or descend while maintaining the selected airspeed, providing the pilot increases or decreases power. The autopilot will control the airplane's speed with the elevator, and shall do so until commanded otherwise, aircraft performance permitting. If a target altitude has been selected, the autopilot will reduce the vertical speed to zero to stop the climb or descent on the selected altitude. Upon capturing the altitude, the autopilot automatically changes to ALT mode to maintain the altitude.


ALT (Altitude Hold) Mode

The autopilot will maintain the pilot selected altitude. This may be the captured altitude after a climb or descent, or the current altitude at which the mode is engaged. Altitude hold mode is also the default pitch mode used by the system when the autopilot is engaged without a pitch mode selected in advance.


VNAV (Vertical Navigation) Mode

The autopilot will capture and track the glideslope or glidepath of the chosen approach type down to the pilot selected Minimum Altitude, when the approach procedure requires the pilot to take manual action.


GA (Go Around) Function

The Go Around function can be activated by pressing the Nose Up button when the autopilot is engaged in vertical guidance such as a VNAV or GS approach. Pushing Nose Up switches the lateral mode to TRK, and vertical mode to the configured Go Around climb mode (either VS or IAS mode, depending on configuration.)


Autopilot Pitch and Roll Servos
The powerful Dynon autopilot capstan servos provide linear torque throughout the full range of your Skyhawk elevator and aileron control cable travel.
Model-Specific Installation Kits
A collection of kits that contain all brackets, bridal cables, clamps, and hardware necessary to install autopilot servos into your aircraft

Autopilot Servo Network Harness Kit
The Autopilot Servo Harness is 20 feet long and contains color-coded wiring for the SkyView network connections along with servo power and ground. This kit contains all connectors and hardware.
SkyView Autopilot Disconnect Button
The SkyView Autopilot Disconnect Button provides a means for quickly disconnecting the autopilot when desired.
SkyView Autopilot Level Button
The SkyView Autopilot Level button enhances safety by allowing the pilot or passenger to command the autopilot to recover the airplane from an unusual attitude.
SkyView Autopilot Control Panel
The Autopilot Control Panel provides the pilot with direct-button access for controlling all of the autopilot functions, which eliminates the need to open the autopilot control menu on the display. The panel also incorporates the required Level button. The control panels are available in either horizontal or vertical orientations.
Trim Motor Adapter
The Trim Motor Adapter, combined with the Autopilot Control Panel, allows applicable electric trim systems to connect to the SkyView system and provide the SkyView Trim Controller and Autopilot Auto-Trim functions. It also provides additional trim safety enhancements and pilot alerting in the event of trim system malfunctions.


ARE YOU READY?

If you're ready to install SkyView HDX in one of the aircraft on our Approved Model List, please contact our sales team. If your aircraft is not yet approved, be sure to register your interest and let us know what aircraft you have. We'll keep you updated on new approvals and other Dynon Certified news.

SkyView HDX is approved for installation in over 600 type-certificated piston aircraft models. Explore approval and pricing for your aircraft model.

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