What is the potential outcome of not properly preparing a surface before applying LO coatings?

When surface preparation is inadequate prior to applying Low Observable (LO) coatings, the most significant consequence is poor adhesion of the coatings. Proper surface preparation involves cleaning and sometimes roughening the surface to ensure that the coating adheres effectively. If this step is neglected, contaminants like dust, oil, or moisture can interfere with the bonding process.

Poor adhesion can lead to several issues, such as peeling or flaking of the coating under operational conditions, which compromises the aircraft's stealth capabilities and overall structural integrity. This can ultimately result in an increased need for repairs and maintenance, safety hazards, and an overall reduction in the effectiveness of the LO coatings.

The other potential outcomes listed, such as improved bond strength, enhanced coating durability, and quicker application times, are not applicable in this context. In fact, neglecting proper surface preparation would not yield improved outcomes in these areas; instead, it would result in the opposite effects.