Live data from Hacker News

Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

news.ycombinator.com

111–120 of 632 posts

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#111
Congrats on the launch!

> The core of what makes a good pilot isn’t stick and rudder skills; it’s good decision making and risk management.

At best, this is only half of the story. What separates GA operations from airline operations in terms of safety is much more involved than that:

- GA (Part 91) flight hours are not recorded so safety data can only be estimated

- Part 91 incidents follow much less scrutiny than part 121 or part 135 incidents

- Part 91 lacks consistent checklists/flows and rigorous training for many particular aircraft

- Passenger airlines in the US (Part 121) have

  - pilots that go through rigorous training and check rides on a schedule

  - chief pilots that oversee operations

  - chief pilots that continuously refine procedures 

  - data collection and monitoring for many variables of flight

    eg: exceeding an accepted bank angle while under manual flight control

  - ... and so much more that part 91 lacks
In practically every example so far in aviation, adding automation makes things harder, not easier. In general, the more complex the automation, the harder it is to understand and safeguard against failure.

One safety factor in a lot of small GA planes is that pilots can often lose all power (engine, electrical, etc) and still fly and land their aircraft. Fly by wire removes that ability. Not being able to competently fly the plane coordinated also removes that ability.

The question I think you are not addressing is: there has been a lot of effort to do exactly what you are doing. What sets your approach apart from those efforts?

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#112
> We want people who don’t think about airplanes as a mode of transportation to start flying

It really depresses me that in 2024 we have some of the smartest, most privileged people in the world deciding that this is what they’re going to dedicate their life to

Shouldn’t we be doing exactly the opposite? Getting people to stop flying

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#113

Earlier quoted context omitted.

thanks! Yes, it's that entire helmet-fire that makes flying hard and often dangerous. But what the accident data shows is that these kinds of problems that you mention occur, and then the pilot loses control of the plane. If we give them the ability to relax, think through their situation, and make a good decision because at least the airplane will continue to descend safely towards the runway, we make safer pilots.

In single pilot IFR, an autopilot is often your best friend. It's exactly like you say - when you're busy with everything else you want the plane to fly itself. Isn't that problem already somewhat solved in a sense? Or are you referring to Garmin Autoland (or similar) in emergencies? By the way - I can totally see how a great GA fly-by-wire system is an improvement to maintain positive control of an aircraft at all t…

It's solved for the "cruise in a straight line" sense, but for emergencies or much more dynamic situations like a final approach, autopilots don't really help all that much. We can set up our VNAV and everything, but the second we get an unexpected clearance because something changed or we need to be diverted for a faster airplane or something, you need to be a real pro at using the autopilot to quickly adjust, or hand fly. We're offering a third solution--blend the two into one unified control interface.

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#114

As a paraglider pilot (unpowered), I will say that the technical aspects of flying the aircraft are only a small part of what's involved in a flight - as you point out. It's a bad idea to get pilots in the air with less training. People can't safely pilot cars in two dimensions. Making the avionics easier to use and more affordable sounds like the actual winning product.

> Making the avionics easier to use and more affordable sounds like the actual winning product.

Garmin is the clear leader in the certified avionics class for general aviation aircraft these days. If you somehow manage to capture a part of their market, you win big time.

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#115

Earlier quoted context omitted.

It's not just a political problem. It's also a legal one due to the property rights involved.

Somehow we don't seem to face this problem when it comes to building roads.

Even when we build them right through populated downtown areas!

https://www.vox.com/2015/5/14/8605917/highways-interstate-ci...

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#116

Earlier quoted context omitted.

> Our system makes it impossible to lose control of the airplane Thing in aviation is, that there are a couple of outside factors which might leed to a loss of control: bird strike and mid-air collision come to mind.

True--but those are quite rare compared to other sources of fatal accidents. And if it does happen, we have the full airplane parachute to bring the airplane safely to the ground

Yes sure, but then I would not use the word "impossible" related to loss of control.

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#117
As you probably know, there is actually a lot of innovation already going on in the Experimental category. Fuel Injection, FADEC systems, advanced engine computers, terrain avoidance, synthetic vision, electronic trim, and so on. I built a Van's two-seater, and the technology I have up with me is night and day different from where we were 20 years ago, let alone 40.

Are you going the experimental / kit build route, or will you be the certified manufacturer? If it's the latter, how do you plan to navigate the FAA? I think a lot of aspirational "GA innovators" ultimately die climbing the regulatory hill.

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#118
post #83

Instrument-rated pilot (and engineer) here. First - congrats on the launch! I think you're working on an interesting set of components that will prove useful to GA aircraft technology. Bringing fly-by-wire, and lowering the cost of maintenance/manufacturing are both great efforts. That being said, my personal view is that stick-and-rudder control is one of the less critical components to improving GA safety. Everythi…

The current systems seem to be all designed around there only being minimal air traffic, as it was in the past. People talking one on one with ATC, everything being done on a plane by plane basis. Can that really continue to function if traffic increases a few orders of magnitude?

I mean hell, imagine everyone having to ask the city car controller for permission to back their car out of their driveway, state their route and get for approval to drive all over the place without any regard for traffic and let the controller make sure there's nobody in your way.

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#119

> In the US, trips that are 50-300 miles are almost all done by car because that distance is too short for commercial airlines and too far for public transportation. A bit off-topic but this is a political problem, not a technical one. Trips of 50-300 miles are certainly within the operating range of fast and efficient rail travel as demonstrated in multiple places around the world outside of the US.

Interestingly I'm hosting my dad near Amsterdam for the week and to get from Sacramento to SFO (from where he flew to AMS) he... flew. Which I guess is logical, but seems insane to me when he lives close to Sacramento Amtrak which actually HAS good, regular service to SFO (via Bart, connecting at Richmond). Even if you build the train some people won't give it a try, sadly. A lot of carbon was spewed in to the air to…

> Even if you build the train some people won't give it a try, sadly. A lot of carbon was spewed in to the air to fly him and his suitcase over the capitol corridor tracks.

They might be more willing to try if the service prices included the cost of the associated emissions.

Re: Launch HN: Airhart Aeronautics (YC S22) – A modern personal airplane

#120

Earlier quoted context omitted.

Autoland for higher range GA planes is nothing new, but still impressive. https://www.garmin.com/en-US/blog/aviation/five-ways-garmin-...

Cool! Didn't know this was a thing that already exists.

Here's a demo: https://www.youtube.com/watch?v=BmdPZPWZKw8
Post reply on HN