What changes in the runway surface condition are considered significant for RCR reporting?

A change is significant whenever there is any change in the RWYCC, a change in the contaminant type, a change in reportable contaminant coverage according to Table 1, a change in contaminant depth according to Table 2, or other information (e.g., a SPECIAL AIR-REPORT of runway braking action) known to be significant.

How should the percentage of contaminant coverage be reported if the assessed coverage is 10-25%?

If the assessed coverage is 10-25%, the reported percentage should be 25%.

What is the reported percentage for an assessed contaminant coverage of 60%?

For an assessed coverage of 51-75%, the reported percentage is 75%.

What is the significant change threshold for wet snow depth?

The significant change threshold for wet snow is 5 mm.

What is the significant change threshold for dry snow depth?

The significant change threshold for dry snow is 20 mm.

If the assessed standing water depth is 6 mm, what value should be reported and what change would be significant?

For standing water above 4 mm, an assessed value should be reported (e.g., 6 mm). A significant change relates to the observed change from this assessed value, with a threshold of 3 mm.

What does a change in reportable contaminant coverage according to Table 1 mean for RCR reporting?

A change in reportable contaminant coverage is significant whenever there is any change in the reported percentage category as defined in Table 1 (e.g., from 25% to 50%).

What is the reported percentage for an assessed contaminant coverage of 80%?

For an assessed coverage of 76-100%, the reported percentage is 100%.

AMC1 ADR.OPS.A.065(b)

Q: What is the minimum depth value for standing water that must be reported, and what should be reported below that?

For standing water, 04 (4 mm) is the minimum depth value at and above which the depth should be reported. From 3 mm and below, the runway third should be considered WET.

Q: For slush, what depth value should be reported for depths up to and including 3 mm?

For slush, depths up to and including 3 mm should be reported as 03 (3 mm).

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AMC1 ADR.OPS.A.065(b);(c) Reporting of the runway surface condition

ED Decision 2021/003/R

SIGNIFICANT CHANGES

A change in the runway surface condition used in the RCR should be considered significant whenever there is any:

(a) change in the RWYCC;

(b) change in the contaminant type;

(d) change in contaminant depth according to Table 2; and

(e) other information, for example a SPECIAL AIR-REPORT of runway braking action, which according to assessment techniques used, is known to be significant.

Assessed per cent	Reported per cent
10-25	25
26-50	50
51-75	75
76-100	100

Table 1: Percentage of coverage for contaminants

Contaminant	Valid values to be reported	Significant change
STANDING WATER	04, then assessed value	3 mm
SLUSH	03, then assessed value	3 mm
WET SNOW	03, then assessed value	5 mm
DRY SNOW	03, then assessed value	20 mm

Table 2: Depth assessments for contaminants

Note 1: For STANDING WATER, 04 (4 mm) is the minimum depth value at and above which the depth should be reported. From 3 mm and below, the runway third should be considered WET.

Note 2: For SLUSH, WET SNOW and DRY SNOW, depths up to and including 3 mm should be reported as 03 (3 mm).

Note 3: Above 4 mm for STANDING WATER and above 3 mm for SLUSH, WET SNOW and DRY SNOW, an assessed value should be reported and a significant change relates to the observed change from this assessed value.

Details

Source-Title: AMC1 ADR.OPS.A.065(b), (c) Reporting of the runway surface condition View latest amendments

Erulesid: ERULES-1963177438-18612 Compare versions

Domain: Aerodromes

Applicabilitydate: 12 August, 2021

Entryintoforcedate: 5 March, 2021

Regulatorysource: ED Decision 2021/003/R Navigate

Regulatorysubject: Part-ADR.OPS

Typeofcontent: AMC to IR (Acceptable means of compliance to implementing rule)

Origin: EASA

Category: EAR