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Panel Design
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I have settled on a design after giving some consideration to what are my actual requirements. Here is a summary of them.
Requirements:
- Primary flight display on pilot Center of View (COV).
- Secondary flight display adjacent to primary.
- Back up flight insturments grouped together.
- Radio stack right of Center of Panel (COP). Just like most Piper and Cessna airplanes.
- Ignition switch on left side to keep right hand free during engine start
- Switches logically grouped rather than spread across bottom of panel.
Note: COV is located 1.125" inboard of the left panel rib.
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Avionics Trade Study
At this point I have already settled on the GRT EFIS and engine monitor. This trade study is to configure the Nav and Com radios.
Requirements
- Approach GPS. Internal procedures from database.
- ILS receiver
- COM1 and COM2 capability
- Back up Nav if primary fails.
- If any one radio goes belly up, I still want alternate Nav and Comm.
Options
- GRT EFIS, GNS-430W, SL-30
- GRT EFIS, GNS-430W, SL-40
- GRT EFIS, GRT GPS RAIM, GNS-430W, SL-40
- Chelton EFIS, SL-30, SL-40
- GRT EFIS, GNC-300X, MD-41, SL-30
Equipment Pricing (2009)
- GNC-420W - WAAS, Com $6,900 (Saves $1400 over 430W but then need to spend $2.2k more on SL-30 for ILS capability.
- GNS-430W - WAAS, ILS Nav, Com $8,300
- SL-30 - ILS Nav/Com $3,800 ($2,200 for ILS capability)
- SL-40 - Com $1,600
- GNC-300XL IFR GPS/Com $3,150 + MD-41 annunciator $900. Has ARINC-429 and RS-232 interface.
- GPS-400W - Same GPS as 430W but without nav and com.
Requirements Analysis
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Options
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Approach GPS
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ILS
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Com1/Com2
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Back-up Nav
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Cost
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GRT EFIS
GNS-430W
SL-30
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GNS-430W
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GNS-430W
SL-30
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GNS-430W
SL-30
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Yes
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$23,100
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GRT EFIS
GNS-430W
SL-40
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GNS-430W
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GNS-430W
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GNS-430W
SL-40
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No
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Discard this option
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GRT EFIS
GRT GPS RAIM
GNS-430W
SL-40
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GNS-430W
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GNS-430W
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GNS-430W
SL-40
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Yes
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$21,650
baseline
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Chelton EFIS
SL-30
SL-40
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Chelton EFIS
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SL-30
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SL-30
SL-40
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Yes
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$30,300
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GRT EFIS
GNC-300XL
MD-41
SL-30
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GNC-300XL
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SL-30
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GNC-300XL
SL-30
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Yes
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$18,850
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Antennas
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AzCloudFlyer, All Rights Reserved 2009
Last update 15Aug09
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