Runway 05/23 has below-minimum friction in multiple sections and is classified as slippery wet in wet weather.

B3770/26

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ADRunway Operations

Runway 05/23 has below-minimum friction in multiple sections and is classified as slippery wet in wet weather.

2026-09-22 08:58 - 2026-12-22 12:00

Duration:LONG4 months

Period of Applicability

2026-09-22 08:58 - 2026-12-22 12:00

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Interpretation

Runway 05/23 friction is below the 0.50 minimum friction level in multiple measured sections. Measured coefficients are 0.43/0.44/0.52 for Runway 05 and 0.51/0.41/0.48 for Runway 23; sectional averages are 0.46/0.43/0.52, with an overall average of 0.46. Under wet-weather conditions, the maximum GRF runway condition codes are 3/3/5, corresponding to slippery wet/slippery wet/wet.

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Raw NOTAM

B3770/26 NOTAMR B3769/26
Q) LTBB/QMRXX/IV/NBO/A /000/999/3747N02942E005
A) LTAY B) 2609220858 C) 2612221200
E) MINIMUM REQUIRED FRICTION VALUES FOR A RWY MEASURED WITH SARSY
VOLVO V70
RWY SURFACE MAINT PLANNING LEVEL: 0.60
RWY SURFACE MIN FRICTION LEVEL: 0.50
RWY 05 MEASURED FRICTION COEFFICIENTS: 0.43/0.44/0.52
RWY 23 MEASURED FRICTION COEFFICIENTS: 0.51/0.41/0.48
RWY 05/23 SECTIONAL AVERAGE:
1ST SECTION:0.46
2ND SECTION:0.43
3RD SECTION:0.52
OVERALL AVERAGE:0.46
ACCORDING TO GRF, MAX RCC VALUES FOR RWY 05/23 UNDER WET WEATHER
CONDITIONS: 3/3/5 -SLIPPERY WET/SLIPPERY WET/WET

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