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I will offer the experience that to put together a mongrel Champ you will be working with the nearest Aircraft Certification Office, not a FSDO. Those guys are actually good to work with and will...

I observe that most builders have their hands full assembling the airplane and working out the inevitable adjustments that are identified in the first few hours of flight. It appears to take a...

No one has posted so I will offer the observation that most of the article is aimed at instrument rated pilots, which is probably good. The part about Special VFR emphasizes that it is best done by...

Just some technical info. The posts here appear to be confusing patents, copyrights, and trademarks. Patents expire. If I recall correctly after 17 or 20 years the work is no longer protected and...

337's are also subject to what training the FSDO ASI has. To approve a Field Approval my understanding is that the ASI must have completed training at Oklahoma City. With retirements you might...

Just watched Tom C's Hints video. Nice job. Good description and info for folks who are thinking about helmets. I will confess that I started by getting a Navy flight deck cranial off eBay and...

The helmet shell that forms the basis for the -55, -68 and its derivatives is the same, with different visors, comms, and foam liners. You can customize as needed for your application, be it your...

My reading of the FAA guidance is that old 337's are now accepted data but not approved data. Yes? No? Makes a difference in the world of the FAA. I have done Field Approvals with the local...

Some aspects to consider.

Some HGU's have a big centerline knob that is just waiting to scratch your canopy. The bungee visor on the -55 won't do that.

The Gallet helmet have a slightly...

That does not sound right. But there is a paperwork package that must go with applications now. Just referencing an older 337 approval is not enough. Off the top of my head you will need to...

The airplane is in the Smithsonian collection. Most docents have no idea what Sorceress is. They were startled when I took the tour and stopped dead when I saw the airplane. Contact the museum....

Sounds like you jumped into the deep end of the pool.

Get your self the Lycoming parts manual for that engine. It will list all of the combinations of components that make up each model engine. ...

To extend this discussion further, AC43.13 would tell you that all propeller bolts must be secured with 0.040 wire. My mechanic thought that until I showed him the page in the Hartzell Propeller...

Bottom plugs are typically harder to fire than top plugs. Priming fuel and oil tends to foul them. If a resistance check on the bottom plugs shows low values, my guess is that one mag is firing a...

Most STC's involve writing up an FAA Form 337 and sending a copy to the FAA Aircraft Registration Branch for inclusion in the file for that aircraft. For something like $5 you can request a copy of...

Here's a hint. Do one where you list all of the big aviation events that you might go to, and for local proficiency list all of the local airports that you might go to. Every year send the same...

You now have an excuse to own more tools! Aircraft woodworking is not cabinet or instrument making but many of the tools from those worlds are very useful when making wood aircraft parts. Use...

What make-model airplane? Some older airplanes already have approvals for wind-driven generator based electrical systems.

To determine whether the FAA might approve adding a full electrical...

When you go to a salvage yard you are not looking for worn-out seat rails. You are looking for a newer airplane that was totaled for other reasons and still has pretty new seat rails. There are a...

Have you tried the aircraft salvage yards? Wentworth etc? Used parts typically are priced at 50% of new.

Best of luck,

Wes

The challenge is that flying clubs are local. They are not created by national organizations. EAA has created information and encouragement for flying clubs but for each one, a local person has to...

He's not a manufacturer so those categories don't fit.

As another example of the evolution of FAA policy on Ex-Ex certification, All of the new Extra 330 models are Ex-Ex in the US. Extra has...

You can fly your E-EX airplane pretty much anywhere you want to go within a very large radius, I think that I remember something like 600miles, whenever you want. You create a form letter that you...

The Canadian situation might be self-inflicted. In the US I can depart VFR, climb on top through legal holes, and so long as I know that my destination is VFR and open enough so that I can legally...

All of the Morton buildings that I have seen are high quality. Hangars, horse barns, etc.

I have a detached hangar next to my house that is a steel Erect-A-Tube building. The drawings and...