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tower. These systems may consist of either a photoelectric
intensity control with only an on-off switch, a two step
intensity system, or a three step intensity system.
REFERENCEFAAO
JO 7210.3, Para10-6-5, Visual Approach Slope Indicator
(VASI) Systems.
FAAO 6850.2, Visual Guidance Lighting Systems.
3-4-4. PRECISION APPROACH PATH
INDICATORS (PAPI)
PAPI systems with remote on-off switching shall be
operated when they serve the runway in use and
where intensities are controlled in accordance with
TBL 3-4-4 except:
a. As required by local facility directives to meet
local conditions.
b. As requested by the pilot.
NOTEThe
basic FAA standard for PAPI systems permits
independent operation by means of photoelectric device.
This system has no on-off control feature and is intended
for continuous operation. Other PAPI systems in use
include those that are operated remotely from the control
tower. These systems may consist of either a photoelectric
JO 7110.65S 2/14/08
3-4-2 Airport Lighting
intensity control with only an on-off switch, or a five-step
intensity system.
REFERENCEFAAO
6850.2, Visual Guidance Lighting Systems.
TBL 3-4-4
PAPI Intensity Setting - Five Step System
Step Period/Condition
5 On Pilot Request
4 Day - Sunrise to sunset
3 Night - Sunset to sunrise
2 On Pilot Request
1 On Pilot Request
*During a 1 year period, twilight may vary 26 to 43minutes
between 25 and 49N latitude.
3-4-5. APPROACH LIGHTS
Operate approach lights:
a. Between sunset and sunrise when one of the
following conditions exists:
1. They serve the landing runway.
2. They serve a runway to which an approach is
being made but aircraft will land on another runway.
b. Between sunrise and sunset when the ceiling is
less than 1,000 feet or the prevailing visibility is
5miles or less and approaches are being made to:
1. A landing runway served by the lights.
2. A runway served by the lights but aircraft are
landing on another runway.
3. The airport, but landing will be made on a
runway served by the lights.
c. As requested by the pilot.
d. As you deem necessary, if not contrary to pilot's
request.
NOTEIn
the interest of energy conservation, the ALS should be
turned off when not needed for aircraft operations.
REFERENCEFAAO
JO 7110.65, Para 3-4-6, ALS Intensity Settings.
3-4-6. ALS INTENSITY SETTINGS
When operating ALS as prescribed in para 3-4-5,
Approach Lights, operate intensity controls in
accordance with the values in TBL 3-4-5 except:
a. When facility directives specify other settings
to meet local atmospheric, topographic, and twilight
conditions.
b. As requested by the pilot.
c. As you deem necessary, if not contrary to pilot's
request.
TBL 3-4-5
ALS Intensity Setting
Step
Visibility
(Applicable to runway served by lights)
Day Night
5 Less than 1 mile* When requested
4 1 to but not including 3 miles When requested
3 3 to but not including 5 miles Less than 1 mile*
2 5 to but not including 7 miles 1 to 3 miles inclusive
1 When requested Greater than 3 miles
*and/or 6,000 feet or less of the RVR on the runway served by
the ALS and RVR.
NOTEDaylight
steps 2 and 3 provide recommended settings
applicable to conditions in subparas b and c. At night, use
step 4 or 5 only when requested by a pilot.
3-4-7. SEQUENCED FLASHING LIGHTS
(SFL)
Operate Sequenced Flashing Lights:
NOTESFL
are a component of the ALS and cannot be operated
when the ALS is off.
a. When the visibility is less than 3 miles and
instrument approaches are being made to the runway
served by the associated ALS.
b. As requested by the pilot.
c. As you deem necessary, if not contrary to pilot's
request.
3-4-8. MALSR/ODALS
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:
a. When facility directives specify other settings
to meet local atmospheric, topographic, and twilight
conditions.
2/14/08 JO 7110.65S
Airport Lighting 3-4-3
b. As requested by the pilot.
c. As you deem necessary, if not contrary to pilot's
request.
TBL 3-4-6
Two Step MALS/One Step RAIL/Two Step ODALS
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
　
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