Cirrus production numbers are a joke compared to the legacy OEMs in the 70s, and that's the number that literally allows me to even participate (1974 owner). Putting cup holders and LED lighting on new manufacture ain't gonna change the chart below.
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The fall off in the early 1980s was dramatic. The chart you posted ends at the time of the '08/'09 financial crisis.
The point I have tried to make several times on this thread is it's not getting any better. After the drop during the financial crisis, volume flat-lined. We are stuck at 1998 levels (see chart below). Obviously a combination of price inflation, and the mix today which includes more expensive airplanes than it did in 1998 (e.g $800,000 SR-22s
), has help maintain revenues. But what industry can say it's thriving with zero volume growth over two decades? Does anybody really think the outcome would be different if Cessna and Piper had "innovated" (personally I think Piper correctly anticipated where the market was moving with first the Malibu and then the Meridian - both of which have seen the same sort of continuous improvement innovation as some here think only Cirrus is capable of
).
There hasn't been a single year with piston single sales above 1000 units in the last decade. And there's at least 16 companies competing to sell GA piston single aircraft in the USA. So what does the next recession bring? And why in hell would any manufacturer in its right mind want to produce an all new product in the zero growth piston single space?
The inexorable trends the industry is dealing with are in plain view: 1) the flight training industry is shifting to students entering to become professional pilots and away from ab initio students dreaming of flying their own airplane; 2) the national private pilot population has been in steady decline for some time and shows no signs of reversing, and 3) the new personal use aircraft market is tiny, probably cannot support all the cottage industry players in it today, and will likely become even tinier after the next recession.
If you are a fleet buyer for a flight training unit you bid Cessna, Piper and maybe Diamond. If you are buying a high performance piston single for personal use you look at Cirrus, Diamond and maybe Mooney or Piper (Malibu). The rest of us will have to content ourselves that if we have an airplane built between 1975 and 1985, that is "new" by our standards.