Avidyne IFD540 aviation gps
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Key advantages of IFD440 over GTN650

 

IFD440

GTN650

440 has shallow Page & Tab User Interface

– Eliminates nested menus.  You can get to any page in 1 or 2 clicks.

GTN has nested menu system.

– Home page is a graphical nested menu.  Requires running each function as a separate “App” making it difficult to move between different screens without climbing back up to the HOME menu then drilling back down through the pages of each specific app’.

440 has Hybrid Touch

–  Touchscreen + Knobs & Buttons

GTN is touch-only

–  Only one knob and 2 buttons

440 supports Multi Touch

–  Allows for pinch zoom with two fingers

GTN is single-touch only

–  Requires multiple range up/down keystrokes

440 has QWERTY style keyboard

–Dramatically reduces keystrokes for data entry

GTN has linear Alpha panning input

–  Clunky user interface

440 has GeoFill™

–  Avidyne’s innovative feature that accurately nominates or completes entry, reduces keystrokes

GTN has FastFind

–  More cumbersome, requires additional button pushes.

440 has Graphical Airway Building & Procedure Preview

– Very intuitive, with preview, Build flight plans in same order as your clearance

GTN uses menu/text boxes to load Procedures & Airways

 – Less intuitive, No preview before entry.

440 is Direct Replacement for GNS430 series

– Reuse existing tray, backplane , connectors and wiring.

GTN is not a direct replacement

– Requires completely new installation. GTN is also deeper than GNS430 and may not fit in all instances.

IFD440 has Page & Tab User Interface

 

With Page & Tab, pilots can get to virtually any screen in 1 or 2 clicks. Thre are no nested menus, and no home page to navigate through.

 

GTN has a icon-based Home page that requires running each function as a separate “App,” making it difficult to move between different screens without climbing back up to the HOME menu then drilling back down through the pages of each specific app.

 

IFD440 has Hybrid Touch

 

With Hybrid Touch, the IFD440 maintains 20 knobs and buttons plus a full touch screen. Virtually anything that can be accomplished using the touch screen can also be done using the knobs/buttons and vice-versa, giving the pilot the choice.

 

GTN limits the pilot with a full touch-only user interface, which can make operation difficult in turbulence, and depending on workload and phase of flight. Pilot has no other option.

 

IFD440 has Multi Touch

 

With Multi-Touch, the pilot can easily ‘pinch zoom’ using two fingers to range the map in and out—just like with tablets and smartphones. Makes it easy to get to the desired display range in a single gesture. (Hybrid touch also allows the pilot to change range using the knobs)

 

GTN requires the pilot to range in and out using the IN/Out soft keys on the screen, in many cases requiring multiple touches to get to a desired display range. (GTN does not have a knob for changing range).

 

IFD440 has QWERTY Keyboard

 

The IFD440 features a familiar QWERTY-style keyboard for easy single-touch character entry.

 

GTN has a linear Alpha panning data entry. Requires two keystrokes to enter virtually every letter of the identifier.

 

IFD440 has GeoFill™

 

With GeoFill, the IFD440 accurately predicts the next leg or waypoint on your flight based on its proximity to your current location or the previous waypoint in your flight plan—eliminating irrelevant NAVAIDs and avoiding obviously “bad” choices (too far away)—dramatically reducing the number of pilot actions.

GeoFill can reduce data entry by as much as 75%, dramatically reducing head-down time.

 

GTN recently-added a FastFind feature, however it still requires additional keystrokes to enter the suggested waypoint.

 

IFD440 has Airway Flight Planning & Preview

 

The IFD440 makes Airway entry a snap. As the pilot scrolls through the list of available Airways, the Map instantaneously updates to preview the one currently highlighted.

  1. Push FMS knob and scroll to select the Airway, preview is visible on Map
  2. Push to select, then scroll to highlight the Exit Point and push again. All intermediate waypoints are automatically loaded.

Loading an Airway with the GTN requires many extra steps including:
  1. Select “Load Airway” button (no map visible)
  2. Select desired Airway
  3. Select Exit Point
  4. Now can choose to ‘Preview’ it (after you have already selected it)
  5. Then you have to ‘Load’ it to Flightplan

 

Detailed Comparison Chart

 

Avidyne IFD440

Garmin GNS430W

Garmin GTN650

Physical Size (inches)

2.65H x 6.25W x 11D

2.65H x 6.25W x 11D

2.65H x 6.25W x 11.25D

System Weight

6.60lbs

6.60lbs

7.0lbs

Display Size

4.75 x 1.75-inch (640 x 235)

3.3 x 1.8-inch (240 x 128)

4.46 x 1.98-inch (600 x 266)

Number of Colors

65,535

8

65,535

Slide-In Replacement for GNS430

Yes

Yes

No

Touch Screen for most functions

Yes

No

Yes

Knobs/Buttons for most functions

Yes

Yes

No

High-Resolution Terrain Graphics

Yes

No

Yes

MultiTouch Capabilty for Pinch Zoom

Yes

No

No

WAAS GPS Capability

16-Channel Gamma 3

15-Channel Gamma 3

15-Channel Gamma 3

Flight Plans

99 FlightPlans

20 FlightPlans

99 FlightPlans

Waypoints / Flight Plan

128 Waypoints ea

31 Waypoints ea

100 Waypoints ea

Victor Airway Flight Planning

Yes

Yes

Yes

Graphical Airway building

Yes

No

No

GeoFill

Yes

No

No

Procedure Preview - Preview of SIDs, STAR, Approaches before entry into Flt Plan

Yes

No

No

Easy Entry Hold at any point

Yes

No

No

Rubberband Flight Plan Editing

Yes

No

Yes

Touchscreen Keyboard for Data Entry

Intuitive QWERTY Keyboard

No

Linear ABC panning Keyboard

       

All data subject to change. Competitive data based on available website information.

       
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