171.11—Maintenance and operations requirements.
(a)
The owner of the facility must establish an adequate maintenance system and provide qualified maintenance personnel to maintain the facility at the level attained at the time it was commissioned. Each person who maintains a facility must meet at least the Federal Communications Commission's licensing requirements and show that he has the special knowledge and skills needed to maintain the facility including proficiency in maintenance procedures and the use of specialized test equipment.
(b)
The owner must prepare, and obtain FAA approval of, an operations and maintenance manual that sets forth mandatory procedures for operations, preventive maintenance, and emergency maintenance, including instructions on each of the following:
(5)
Relations between the facility and FAA air traffic control facilities, with a description of the boundaries of controlled airspace over or near the facility, instructions for relaying air traffic control instructions and information (if applicable), and instructions for the operation of an air traffic advisory service if the VOR is located outside of controlled airspace.
(7)
Detailed and specific maintenance procedures and servicing guides stating the frequency of servicing.
(8)
Air-ground communications, if provided, expressly written or incorporating appropriate sections of FAA manuals by reference.
(9)
Keeping of station logs and other technical reports, and the submission of reports required by § 171.13.
(13)
Shutdowns for routine maintenance and issue of “Notices to Airmen” for routine or emergency shutdowns (private use facilities may omit the “Notices to Airmen”).
(14)
An explanation of the kinds of activity (such as construction or grading) in the vicinity of the facility that may require shutdown or recertification of the facility by FAA flight check.
(i)
Location by latitude and longitude to the nearest second, and its position with respect to airport layouts.
(v)
Station identification call letters and method of station identification, whether by Morse code or recorded voice announcement, and the time spacing of the identification.
(vi)
A description of the critical parts that may not be changed, adjusted, or repaired without an FAA flight check to confirm published operations.
(c)
The owner shall make a ground check of course accuracy each month in accordance with procedures approved by the FAA at the time of commissioning, and shall report the results of the checks as provided in § 171.13.
(d)
If the owner desires to modify the facility, he must submit the proposal to the FAA and may not allow any modifications to be made without specific approval.
(e)
The owner's maintenance personnel must participate in initial inspections made by the FAA. In the case of subsequent inspections, the owner or his representative shall participate.
(f)
Whenever it is required by the FAA, the owner shall incorporate improvements in VOR maintenance brought about by progress in the state of the art. In addition, he shall provide a stock of spare parts, including vacuum tubes, of such a quantity to make possible the prompt replacement of components that fail or deteriorate in service.
(h)
The owner shall close the facility upon receiving two successive pilot reports of its malfunctioning.