PORTLAND, OR, — May 2nd, 2011– Precision Conversions, LLC and Leth & Associates proudly announce that the European Aviation Safety Agency (EASA) has approved the Federal Aviation Administration Supplemental Type Certificate (STO1857SE) for a Maximum Zero Fuel Weight (MZFW) increase on the Precision Conversions 757-200PCF freighter. The MZFW STC allows for up to an additional 8,000 lbs (3,628 kg) payload increase for both Rolls-Royce and Pratt & Whitney powered 757-200PCFs above line number 210 and also allows for up to an additional 4,000 lbs (1,814 kg) payload increase for both Rolls-Royce and Pratt & Whitney powered 757-200PCFs below line number 210. The weight upgrade STC, developed by Leth & Associates, approves the MZFW increase on the Precision Conversions passenger-to-freighter conversion STC (ST01529SE) and increases the total payload on the 757-200PCF up to a potential 80,000 lbs ( 36,287 kg).

Brian McCarthy, Precision Conversions’ Vice President Marketing and Sales said, “Precision Conversions continues to move forward with its commitment to produce the most flight efficient 757 freighter on the market.” He added, “The EASA approval is yet another example of our commitment to maximize the worldwide flexibility of the flight efficient, high payload 757-200PCF.”

Precision Conversions expects that the majority of current and future customers will want the weight upgraded version of the 757-200PCF because it allows operators to fully capitalize on their revenue generating ability. Precision Conversions has re-delivered a total of 29 freighters operating in Europe, North and South America, India, Africa, and P.R. China.

About Precision Conversions, LLC

Precision Conversions, LLC (www.precisionaircraft.com) maximizes the utility, service life, revenue potential and residual value of the B757-200 as a freighter for its aircraft Owners and Operators. The company maintains its executive offices and operations in Portland, Oregon with an additional marketing and sales office in North Carolina.

About Leth & Associates

Leth & Associates is an engineering company engaged in aircraft certification and modifications. The firm began a relationship with Precision Conversions in 2000 and was instrumental in the loads development, flutter clearance, load-survey testing and certification in support of the Precision Conversions 757-200PCF conversion.