DO-160 | Salt Fog

RTCA DO-160 – Section 14.0 – Salt Fog


This test determines the effects on the equipment of prolonged exposure to a salt atmosphere or to salt fog experienced in normal operations.
The main adverse effects to be anticipated are:
  1. Corrosion of metals.
  2. Clogging or binding of moving parts as a result of salt deposits.
  3. Insulation fault.
  4. Damage to contacts and uncoated wiring.


The apparatus used in the salt fog test shall include the following:
  1. Exposure chamber with racks for supporting test items.
  2. A salt solution reservoir with means for maintaining an adequate level of solution.
  3. A means for atomizing the salt solution, including suitable nozzles and compressed air supply.
  4. A means of heating and controlling chamber temperature.
  5. A means for humidifying the air at temperatures above the chamber temperature.


DO-160 is a standard for environmental test on avionics equipment published by RTCA, the Radio Technical Commission for Aeronautics. The DO 160 G was amended and now all guideline inside it are replaced by the DO 357.
On our website you can find only some abstracts of the document, for the full text of the guideline you have to purchased it from RTCA.
We remember you that now DO 160 G cannot be read without DO 357.
If you need any interpretation regarding the text of such standard, please contact CELAB.
CELAB is the only Italian (and one of the few European) member of the RTCA Special Committee 135, the commettee for devolpment of DO 160 G.


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