New and Coming Soon!

Coming Soon!
300-5961 & 327-1501 Replacement

Do we have any local customers (PA, MD, NJ, WV) that will let us test our 300-5961 replacement prototype on your HDK series diesel genset? We will come to you!

Coming Soon!
300-5961 & 327-1501 Replacement

We are happy to announce that our first aftermarket diesel controller for the HDKCA Onan Quiet Diesel will launch in May!


COVID-19 UPDATE 03/30/2020

Flight Systems is exempt from the PA COVID-19 business closures. Click here to see our exemption letter. We will continue operations at our physical location with essential personnel.


COVID-19 UPDATE 03/24/2020

Flight Systems is open with a skeleton crew until further notice. We are processing online orders, phone sales, and incoming repairs M-F, 8am-5pm EST. RV tech service by appt only via the "Book Now" link at the top of our homepage. All other tech questions please email techs@flightsystems.com.