AIM 3-5-1

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3-5-1. Airport Advisory/Information Services

a. There are three advisory type services available at selected airports.

1. Local Airport Advisory (LAA) service is operated within 10 statute miles of an airport where a control tower is not operating but where a FSS is located on the airport. At such locations, the FSS provides a complete local airport advisory service to arriving and departing aircraft. During periods of fast changing weather the FSS will automatically provide Final Guard as part of the service from the time the aircraft reports "on-final" or "taking-the-active-runway" until the aircraft reports "on-the-ground" or "airborne."

NOTE-
Current policy, when requesting remote ATC services, requires that a pilot monitor the automated weather broadcast at the landing airport prior to requesting ATC services. The FSS automatically provides Final Guard, when appropriate, during LAA/Remote Airport Advisory (RAA) operations. Final Guard is a value added wind/altimeter monitoring service, which provides an automatic wind and altimeter check during active weather situations when the pilot reports on-final or taking the active runway. During the landing or take-off operation when the winds or altimeter are actively changing the FSS will blind broadcast significant changes when the specialist believes the change might affect the operation. Pilots should acknowledge the first wind/altimeter check but due to cockpit activity no acknowledgement is expected for the blind broadcasts. It is prudent for a pilot to report on-the-ground or airborne to end the service.

2. RAA service is operated within 10 statute miles of specified high activity GA airports where a control tower is not operating. Airports offering this service are listed in the A/FD and the published service hours may be changed by NOTAM D. Final Guard is automatically provided with RAA.

3. Remote Airport Information Service (RAIS) is provided in support of short term special events like small to medium fly-ins. The service is advertised by NOTAM D only. The FSS will not have access to a continuous readout of the current winds and altimeter; therefore, RAIS does not include weather and/or Final Guard service. However, known traffic, special event instructions, and all other services are provided.

NOTE-
The airport authority and/or manager should request RAIS support on official letterhead directly with the manager of the FSS that will provide the service at least 60 days in advance. Approval authority rests with the FSS manager and is based on workload and resource availability.

REFERENCE-
AIM, Traffic Advisory Practices at Airports Without Operating Control Towers, Paragraph 4-1-9.

b. It is not mandatory that pilots participate in the Airport Advisory programs. Participation enhances safety for everyone operating around busy GA airports; therefore, everyone is encouraged to participate and provide feedback that will help improve the program.

Aeronautical Information Manual (AIM) — Chapter 3 — Airspace
3-1-1 General • 3-1-2 Airspace Dimensions • 3-1-3 Airspace Hierarchy • 3-1-4 Basic VFR Weather Minimums • 3-1-5 VFR Cruising Altitudes

3-2-1 General • 3-2-2 Class A • 3-2-3 Class B • 3-2-4 Class C • 3-2-5 Class D • 3-2-6 Class E
3-3-1 General • 3-3-2 VFR Requirements • 3-3-3 IFR Requirements
3-4-1 General • 3-4-2 Prohibited Areas • 3-4-3 Restricted Areas • 3-4-4 Warning Areas • 3-4-5 MOAs • 3-4-6 Alert Areas • 3-4-7 Controlled Firing Areas
3-5-1 Airport Advisory Services • 3-5-2 MTRs • 3-5-3 TFRs • 3-5-4 Parachute Ops • 3-5-5 VFR Routes • 3-5-6 TRSAs • 3-5-7 National Security Areas