8. EU AGA - Movement Area Surface Condition Reporting

Question 1

When can Aeroplane performance can be considered to be impacted whenever the coverage of any water-based contaminants of any Runway third? (1)

Answer 1

When the coverage exceeds 25%

Question 2

5 fundamental elements of the methodology for the reporting and assessment of runway surface conditions

Answer 2

1. Runway Condition Report (RCR)
2. Runway Condition Matrix (RCAM)
3. Runway Condition Code (RWYCC)
4. Runway Surface Conditions (reporting Terms)
5. Runway Surface Condition Descriptors
6. Pilot Braking Action Report

Question 3

Effects of water on Aircraft Operations (5)

Answer 3

• Additional drag - retardation on wheels & spray impingement drag
• Possibility of power loss or system malfunction due to spray ingestion or impingement
• Reduced wheel-braking performance - the
  problems of aquaplaning
• Directional control problems
• Possibility of structural damage

Question 4

What criteria defines Runway Surface Conditions as either WET or SLIPPERY WET? (2)

Answer 4

• WET = upto & Incl. 3mm
• SLIPPERY WET = Above 3mm