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News began filtering out today that FAA informed LAMA (Light Aircraft Manufacturers Assoc.) that it is strongly considering imposing new mandates on how S-LSA designs are approved. *** LAMA chairdude Dan Johnson sent a strong message to LAMA members that FAA may require LSA makers to pass compliance audits managed by a team of FAA inspectors, rather than the manufacturer-certified voluntary nature of the certification program as it now exists, where airframe builders can pay for an audit through LAMA, but are not required to do so. *** Earl Lawrence of EAA talked in depth about this development on the Ultraflight radio program Tuesday July 13th; check their archives to hear the full interview. I appeared on the radio show later in the program to talk about the state of the industry and what’s coming with electric LSA. *** I also got more info from Dan on what this portends for the S-LSA industry as a whole.

Have you missed the great debate raging over the impending demise of 100LL? Many leading groups — including AOPA and apparently EAA plus others such as the Green 100 Octane Coalition — have endorsed a one-size-fits-all solution. *** But, hey! One size does not fit all. Light-Sport owners are aware their aircraft can operate just fine on 91 octane (premium) ethanol-free gasoline. The same can be said for 70%-80% of all piston-engine aircraft in the U.S. Indeed, more than 60,000 Autogas STCs have been granted from EAA and Petersen Aviation but such added approvals aren’t needed by LSA powered by Rotax or Jabiru. *** Leading aviation alphabet groups show little support for the installation of ethanol-free Mogas pumps at GA airfields. One wonders why? Several benefits follow increased use of E-zero (E0) Mogas: * It’s ideal for the vast majority of American aircraft including virtually all new LSA designs; * It would lead to an immediate reduction in the use of leaded fuels and its impact on the environment; and, * Switching from 100LL to Mogas would dramatically reduce the cost of flying for sport aviators and to flight schools adding LSA to their fleets.

A couple days ago I promised to follow up on the Paris Green Air Show so here we go. *** The show is held (2010 is the 2nd year) at the Musee Air + Despace, at Le Bourget airport, the field where Charles Lindbergh landed the Spirit of St. Louis and where the huge Paris Air Show takes place every other year (next up in 2011). *** It’s mission statement is implicit from the phrase on the evocative splash drawing: “L’aviation du futur”. It took a bit of digging and some web translations to find out more about the show that Gizmag first posted about the other day. *** The explosion of imaginative designs and concepts at the show is staggering: very much like the first years of aviation after 1903. Dirigibles large and small, including man-powered balloons; aircraft engines with zero CO2 emissions; aircraft powered by electric, solar and hydrogen fuel cell engines; noise and pollution reducing sustainable development concepts for airports, runways and aircraft “villages.” All in all, quite a hoot; I’d love to go to the next one.

I thought I’d share a couple interesting videos recently posted on the Icon Aircraft website.  There’s a multimedia gallery of high-profile, appealing eye candy, including YouTube videos chronicling various aspects of the ongoing test program for the company’s A5 amphibian S-LSA. *** Two I found particularly interesting: a stall sequence and a potpourri of recent flight test ops. *** First, the stall sequence shows the classic tufted airflow indicators taped to the wing to demonstrate inflight stall progression from the root outward. *** Watch the tufts near the root begin to wiggle and change direction first, demonstrating loss of lift.  Then see the stall move outward from the root and along the trailing edge.  To my eye, it seems like the middle of the wing completely stalls before the root.  I’d like to know about the aerodynamic significance of that, and why the wing doesn’t stall more classically at the root first.

Michael Combs’s epic Flight For The Human Spirit odyssey just made it into Chicago a few hours ago after a whirlwind tour of the Northeast (he just missed some premature, summery 90-degree weather — and nasty thunderstorms). *** Since Michael’s flying a new Remos GX, I thought to make a sympatico gesture by taking the air in the same type, and, I confess, to prep my flight report for the July print issue of P&P. *** BTW, Tom Peghiny, Prez of Flight Design, told me recently he was in the dark whenever I wrote “dead tree P&P”.  (I guess he doesn’t read Time magazine online, they say “dead tree Time” all the, uh, time.)  Alas, in deference to Tom and others similarly not conversant in super-hip online lingo, I must abandon journalistic trendiness in favor of humdrum journalistic clarity.) *** Anyway, with many thanks to Ron Glazer of Remos (and Marketing Veep Ken Weaver, who sent him up) for making an extra leg to meet me, I finally got my chance to fly the bird.  *** Ron flew the 2010 Remos GX Aviator II (full panel version) into Great Barrington Airport (GBR) in Massachusetts — one of God’s little aviation secrets, shhh!

Another LSA (and another from Czech Republic!) is about to land on our shores.  It’ll be featured in my Cool Stuff overview story in the June issue of P&P, but here’s a sneak preview of the cute little low wing, and why I think it could be a winner for potential owners. *** It’s called Corbi Air Alto 100. *** Two veterans of the sport aircraft biz – Dan Coffey and Ron Corbi – have extensive backgrounds in sport aircraft maintenance and marketing.  They saw through direct experience that many LSA had weak points that came out after extensive use in the field: insufficiently sturdy nosegear, cheap foreign tires (that were also a problem to reorder quickly). *** So they went to an established Czech manufacturer (Direct Fly) and asked them if they’d be willing to update their four-year-popular Euro bird with American components for ASTM-certification as an S-LSA for the states.  *** Coffey’s and Corbi’s approach might be called “pre-emptive” maintenance –  they intend to design out the very things that tend to fail in LSA.  *** “Our focus with the Alto is to enhance the ‘maintainability’ of the airplane,” Coffey told me in a lengthy chat at Sun ‘n Fun.