Panther Builder Update – Bill Mosher SN046

Bill Mosher from Greer, SC has been diligently working on his Panther.  He is a first time builder and his engine is a Corvair 3.0L.  Bill test ran his engine last fall at the annual Corvair College in Barnwell, SC.  You can see a video of it HERE. Here are two quick photos showing his latest progress. […]



Panther Builder Update – Sean Sullivan SN048 2 comments

Sean Sullivan is based out of Fort Worth, TX.  He is building the Panther LS with the Lycoming O-235 as his power plant. Here is an update from Sean: “The air frame of N485PA is basically complete and everything have been rigged. All of my Lyc o-235 L2C parts were shipped out for overhaul last […]

Panther Builder Progress – Jimmy Miller SN071 2 comments

Here are a few updates from Jimmy Miller in Wilmington, NC.  Jimmy received his kit the first week in March of 2016 and he has made serious strides in his build. You can view his latest post on the Panther Forum HERE. Keep up the great work Jimmy!  You will be in the air in no […]



Panther Builder Progress – Greg Pixley SN035

We were able to stop by Greg (Pix) Pixley’s house this weekend on the gulf coast of Florida.  We dropped off his engine mount and cowling for his Franklin engine and got a chance to look at his fuselage.  His wings, fuel tanks and engine are at his hanger a few miles north west.  This is […]

Brent Mayo’s Panther SN053 Takes to the Skies 1 comment

Brent Mayo, from Fernandina Beach, FL, took his Panther for it’s maiden flight this morning.  Brent has Panther SN053.  His Panther is powered by a Corvair 3.0L with a Sensenich propeller.  He has documented his build using KitLogPro – Click HERE to see more. Here is what Brent had to say about his experience – […]

Brent Mayo's First Flight

Tony Take Off 2

Tony Spicer’s Jabiru Powered Panther Takes to the Skies 7 comments

Tony Spicer took his maiden flight in his Jabiru powered Panther LS today – and all went very well!  Congratulations Tony!  We appreciate you and all of your hard work, determination and patience that went into your build.  Thank you for taking the time to make us all feel like part of your journey with […]

Will Mensink’s Panther LS – All SHINED UP!

We just had to share these photos of Will Mensink’s Panther LS.  He has done a beautiful job!!  Will is located in Preston, MN and has SN014.  His Panther is powered by Titan’s IO-340 with a Whirlwind Ground Adjustable prop – and as of today has over 72 hours on the Hobbs.  The fiberglass and […]

Will Mensink's Cockpit


Brent Mayo’s Panther LS is Ready for Inspection

Brent Mayo, in Fernandina, FL, just moved his Corvair 3.0L powered Panther LS SN053 from his garage to the hangar in preparation for the inspection.  Brent picked up his tail kit in March of last year.  So he has built his Panther and his Corvair 3.0L engine in 14 months.  His total build time to […]

SPA Employee Travis Young Celebrates Two Years! 1 comment

SPA LLC is very proud to announce that our Production Manager of the Welding Department – Travis Young – is celebrating his two year anniversary with us today! Travis joined us at the very beginning of our full production ramp up on the Panther project and he has always been the steady hand at the helm.  No […]

Travis celebrating his 2 year anniversary with us!


Panther #6 is Born – Tony Spicer gets his Pink Slip 1 comment

Tony Spicer has received his air worthiness certificate for his Panther LS, powered by the Jabiru 3300.  We expect some flight info in the next couple of weeks.  Congrats Tony!  You have built a truly beautiful airplane and your build documentation has given an immeasurable boost to the Panther builder community.  From SPA and the […]

Sun ‘N Fun 2016 – First Panthers EVER To Fly to an Airshow! 1 comment

We are gearing up for Sun ‘N Fun 2016 and are so excited to say we will have the first customer built Panthers to join us there!  Bob Woolley and Stephen Pedano of North FL will be flying in AND their planes will be in our booth on Thursday and Friday (weather permitting) of the […]


Panthers on the Prowl – Seen Hunting In Packs in North Florida

Three Panthers flew over to the St. Augustine, FL Pilot’s Association yesterday for a Panther show and tell and Dan and Paul were able to get some awesome photos. The three Panthers in the photos are Dan Weseman’s Corvair powered LSA, Bob Woolley’s O-320 Sport, and Stephen Pedano’s newly painted O-320 powered LSA. Steve just finished […]

Texas Builders Getting Ready For Corvair College 2 comments

Out of the total 77 or so Panther builders, we have a half dozen in Texas and some of them are planning using a Corvair as their powerplant.  Here is a photo of Brian Sowell’s Panther Corvair 3.0L engine – with SPA’s 5th bearing housing just being installed. Here are some photos of his cylinders, […]

Connecting Rods and Pistons3