Operate MALSR/ODALS that have separate on-off and intensity setting controls in accordance with TBL 3-4-6 and TBL 3-4-7 except:
Settings | Visibility | ||
---|---|---|---|
Day | Night | ||
MALS/ODALS RAIL | Hi On |
Less than 3 miles | Less than 3 miles |
MALS/ODALS RAIL | Low Off |
When requested | 3 miles or more |
*At locations providing part-time control tower service, if duplicate controls are not provided in the associated FSS, the MALSR/ODALS must be set to low intensity during the hours of darkness when the tower is not staffed. |
Settings | Visibility | ||
---|---|---|---|
Day | Night | ||
3 | Less than 2 miles | Less than 1 mile | |
2 | 2 to 5 miles inclusive | 1 to but not including 3 miles* | |
1 | When requested | 3 miles or more | |
*At locations providing part-time control tower service, if duplicate controls are not provided in the FSS on the airport, the air-to-ground radio link shall be activated during the hours of darkness when the tower is unmanned. If there is no radio air-to-ground control, the MALSR/ODALS shall be set on intensity setting 2 during the hours of darkness when the tower is not staffed. |