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Borrowings
3 Months Ended
Jul. 31, 2011
Debt [Abstract]  
Debt
4.  Borrowings:  At July 31, 2011, the Company had one line of credit totaling $1,000,000.  The unused line at July 31, 2011 was $479,345.  During the current year these funds were primarily used for the purchase of inventory for the modifications and avionics operations.

At July 31, 2011, there were several notes collateralized by aircraft security agreements totaling $2,152,885.  These notes were used for the purchase and modifications of these collateralized aircraft.

There are two notes at a bank totaling $1,589,310 for real estate located in Olathe, Kansas and Tempe, Arizona.  The due date for these notes is in March 2013.

One note with a balance of $631,515 is collateralized by the first and second position on all assets of the company.   There are several other notes collateralized by automobiles and equipment totaling an additional $88,949.

We have debt obligations of $1,815,239 as a result of our business development and acquisition activities.