Garmin 300
Moderator: drseti
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Re: Garmin 300
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Last edited by SportPilot on Tue Aug 18, 2015 12:05 pm, edited 2 times in total.
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Re: Garmin 300
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Last edited by SportPilot on Tue Aug 18, 2015 12:04 pm, edited 1 time in total.
- FastEddieB
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Re: Garmin 300
Probably not.SportPilot wrote:The OP's question and this thread is about a backup compass. The FAR's also require an altimeter. Do we need to say that also lest we mislead some new pilot who might be lurking?
And yet...
...I have had more than one pilot, including I think one on this forum, pride themselves in the fact that when given a heading by ATC they can precisely follow a GPS track instead.
And I have had more than one pilot pride themselves on how accurately they can fly a "true" GPS altitude when assigned an altitude by ATC.
Both are, of course, wrong. And illegal. And dangerous. But a brand new pilot might need reminding of why they are wrong/illegal/dangerous.
I know that you know this stuff, so believe me when I say its not for your benefit, nor to play "gotcha".
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Re: Garmin 300
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Last edited by SportPilot on Tue Aug 18, 2015 12:04 pm, edited 1 time in total.
- FastEddieB
- Posts: 2880
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Re: Garmin 300
I apologize.SportPilot wrote:Fine, but don't quote me and then "correct" something I did not say. I did not say a SkyCatcher does not need a compass. However, if I owned a SkyCatcher, I would not bother with installing a wet compass.
I did not put enough emphasis on the "wet" part.
Bygones.
Re: Garmin 300
I keep seeing mention of 91.205 in reference to the compass, but does anybody know what the compass requirements are from the ASTM standards. I know the instrument requirements are a little different in the standards.
Re: Garmin 300
Fair question, Tom (to which I don't have an answer). But I think, as a general principle, the ASTM requirements can in no way negate an FAA requirement.
The opinions posted are those of one CFI, and do not necessarily represent the FAA or its lawyers.
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Re: Garmin 300
All I know is this:
When the Chinese hordes attack with high altitude EMP bursts, my Dynon display goes dark, and the GPS satellites are raining down in fiery wreckage, my trusty whiskey compass and I will be safely navigating our way to the remote mountain bunker we have prepared for just such an event. Plenty of food, water, and extra compass fluid stockpiled there.
Just me, and my whiskey compass...my preciousss...
When the Chinese hordes attack with high altitude EMP bursts, my Dynon display goes dark, and the GPS satellites are raining down in fiery wreckage, my trusty whiskey compass and I will be safely navigating our way to the remote mountain bunker we have prepared for just such an event. Plenty of food, water, and extra compass fluid stockpiled there.
Just me, and my whiskey compass...my preciousss...
Andy Walker
Athens, GA
Sport Pilot ASEL, LSRI
2007 Flight Design CTSW E-LSA
Athens, GA
Sport Pilot ASEL, LSRI
2007 Flight Design CTSW E-LSA
Re: Garmin 300
LOL. Please post a link to where we can buy compass fluid. Wally world was sold out.MrMorden wrote:All I know is this:
When the Chinese hordes attack with high altitude EMP bursts, my Dynon display goes dark, and the GPS satellites are raining down in fiery wreckage, my trusty whiskey compass and I will be safely navigating our way to the remote mountain bunker we have prepared for just such an event. Plenty of food, water, and extra compass fluid stockpiled there.
Just me, and my whiskey compass...my preciousss...
A Youtube "installation" video would be helpful as well.
Last edited by Flocker on Thu Jul 02, 2015 4:07 pm, edited 1 time in total.
Aviation Real Estate Broker
- FastEddieB
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Re: Garmin 300
You know, I honestly had not picked up on the similarity before this!Flocker wrote:LOL. Please post a link to where we can buy compass fluid.MrMorden wrote:
Just me, and my whiskey compass...my preciousss...
Though I've met Andy and he does have a bit more hair.
Re: Garmin 300
You are correct in they can not negate the FAA requirements, but in some case their requirements are more stringent. For example if flying at night a PFD must have a back up battery. To fly at night you must have some kind of attitude indicator. Many of the early airplanes that had Dynon D100's have back up analog airspeed and altimeter. Many also have a back up compass to go along with the electronic unit with the Dynon.drseti wrote:Fair question, Tom (to which I don't have an answer). But I think, as a general principle, the ASTM requirements can in no way negate an FAA requirement.
These requirements are for the plane not the pilot.
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Re: Garmin 300
The Skycatcher has a magnetometer located in the tail cone, and is fully compliant with FAA regs for a VFR airplane even though it does not have the standard compass.
Like Sport Pilot I wouldn't go to the expense of adding a compass to a Sport plane if I didn't have to.
Like Sport Pilot I wouldn't go to the expense of adding a compass to a Sport plane if I didn't have to.
Re: Garmin 300
I've seen the non-certified SIRS wet compass sold to homebuilders for around $50, so cost is not really an impediment - though getting an LoA may be. As for compass fluid, isopropyl alcohol works fine, and is available in any drug store. (Caution: don't drink it!)
The opinions posted are those of one CFI, and do not necessarily represent the FAA or its lawyers.
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Prof H Paul Shuch
PhD CFII DPE LSRM-A/GL/WS/PPC iRMT
AvSport LLC, KLHV
[email protected]
AvSport.org
facebook.com/SportFlying
SportPilotExaminer.US
Re: Garmin 300
This is correct. Per page 7-52 of the POH:VL Roberts wrote:The Skycatcher has a magnetometer located in the tail cone, and is fully compliant with FAA regs for a VFR airplane even though it does not have the standard compass.
AIR DATA, ATTITUDE AND HEADING REFERENCE SYSTEM (ADAHRS) AND MAGNETOMETER (GRS)
The ADAHRS provides airplane attitude and flight characteristics information to the G300 displays integrated avionics units. The ADAHRS unit, located behind the instrument panel, contains accelerometers, tilt sensors and rate sensors that replace spinning mass gyros used in other airplanes. The magnetometer, located in the tailcone, interfaces with the ADAHRS to provide heading information.
I personally would like a standby wet compass on the Skycatcher and if I purchase one for my own use I will probably get one installed. I have occasionally flown the 162 at night and VFR over-the-top, and would like the redundancy in those situations.
Scott K. :: A bunch of silly letters
Disclaimer :: Listen to me at your own risk. These are just my opinions...
Disclaimer :: Listen to me at your own risk. These are just my opinions...
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Re: Garmin 300
I looked into acquiring a compass for my Skycatcher when I thought I would need one due to a change in the Private Pilot PTS. Installed, it will run you close to $1000.chavycha wrote:This is correct. Per page 7-52 of the POH:VL Roberts wrote:The Skycatcher has a magnetometer located in the tail cone, and is fully compliant with FAA regs for a VFR airplane even though it does not have the standard compass.
AIR DATA, ATTITUDE AND HEADING REFERENCE SYSTEM (ADAHRS) AND MAGNETOMETER (GRS)
The ADAHRS provides airplane attitude and flight characteristics information to the G300 displays integrated avionics units. The ADAHRS unit, located behind the instrument panel, contains accelerometers, tilt sensors and rate sensors that replace spinning mass gyros used in other airplanes. The magnetometer, located in the tailcone, interfaces with the ADAHRS to provide heading information.
I personally would like a standby wet compass on the Skycatcher and if I purchase one for my own use I will probably get one installed. I have occasionally flown the 162 at night and VFR over-the-top, and would like the redundancy in those situations.
I do remember cursing the bills my compass generated on my old 172. It used to be that if you had a leaky compass or whatever, the A&P would order and install a kit to fix it. But then the FAA declared that any work on a compass had to be performed by an Avionics shop and things got real expensive.