OIL CHANGE INTERVALS: IS 50 HOURS TOO LONG
It very well may be, according to this podcast with Blackstone Labs' Ryan Stark. He was interviewed by Aviation Consumer editor Paul Bertorelli on the subject of oil analysis and oil change intervals.

Click here to listen. (7.2 MB, 7:51)

HOW TO TEST A JET: PIPER'S CHIEF TEST PILOT TELLS HOW
Continuing our coverage of Piper's press debut of its new jet on September 18, 2008, the company's chief test pilot, Dave Schwartz, tells AVweb's Paul Bertorelli how the aircraft is performing in the early stages of the test program.

Click here to listen. (8.4 MB, 9:08)

ENHANCING EFFICIENCY WITH SAVVY AVIATOR MIKE BUSCH AND AVIATION SAFETY MAGAZINE
In this time of volatile aviation fuel prices, knowing how to fly your airplane at peak efficiency can mean money in the bank. AVweb co-founder and Savvy Aviator Mike Busch talks with Aviation Safety magazine Editor-In-Chief Jeb Burnside about flight planning and about fuel-saving ways to fly.

Click here to listen. (16.6 MB, 18:11)