- DASH Aero
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Tech Log News and technical notes
Tech Log
In airline maintenance the tech log is where the work gets written down. Ours is where we write down what we know about the APU, its inlet and the air it feeds, and what DASH Aero is doing.
Technical
Where APU wash water goes, and why it cannot go on the ramp
APU wash water carries oil, hydraulic fluid and grease. US guidance says it cannot go to a storm drain. What the EPA and FAA say, and how DASH keeps it contained.
Technical
What Airbus says about the APU and cabin odors on the A320
In 2013 Airbus set out how oil, hydraulic fluid, de-icing fluid and exhaust reach the A320 APU inlet and what to do about it. A summary, and where cleaning fits.
News
DASH Aero completes APU steam cleaning trial with Austrian Airlines
DASH Aero, RH Aero and Austrian Airlines ran the first on-wing test of a new APU steam cleaning unit on an Austrian Airlines A320 in Vienna in April 2026.
Talk to the people who designed the process.
Tell us your fleet, your bases and what prompted the question. The first conversation is with someone who has done this work on the ramp, not with a sales team.
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