• Amphibis5
  • Father’s Day 2013 Flight

  • Amphibians Plus
  • Sea wind array
  • Renegade

Welcome to our website 

For those of you we have yet to meet, we’d like to introduce ourselves, and share with you a bit of background on the company which has become Amphibians Plus.

We are Harry and Cathy Shannon. As far back as 1972 we combined forces to begin our first amphibian business, then known as Shannon Aircraft Inc. We were located in South Louisiana. The major portion of our business involved maintaining aircraft which serviced the many inland oil rigs.

In 1986 a career move as well as a change in locale brought the two of us to Lake Aircraft Inc., in Kissimmee Florida. Here Harry became the service manager while Cathy filled positions first in the parts department, followed by accounting, as well as international marketing, then ultimately a position of assistant to the president.

Always happiest working for ourselves, in 1992 we opened Amphibians Plus in Kissimmee, Florida. In 1994 we relocated to our present location at Bartow Municipal Airport in Bartow, Florida.  Then in 2010 we reformed the organization as Amphibians Plus LLC.

We believe the key to our success is a professional attitude, pride in our workmanship and ultimately the relationship with our customers.



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  • “The staff at Amphibians Plus was incredibly helpful when we stopped by to ask a few questions. Their patience with us and expertise in the industry is impressive.”
    Mary and Albert Adcock,
  • “The entire crew at Amphibians Plus was incredibly friendly and knowledgeable!”
    James Douglas, Jr., Lakeland, FL