---
kind: "section"
citation: "14 C.F.R. § 171.307"
title: "14"
number: "171.307"
heading: "Minimum requirements for approval."
url: "https://uscodex.org/cfr/14/171.307"
---

# §171.307. Minimum requirements for approval.

- (a) The following are the minimum requirements that must be met before the FAA approves an IFR procedure for a non-Federal MLS facility:
  - (1) The performance of the MLS facility, as determined by flight and ground inspection conducted by the FAA, must meet the requirements of §§ [171.309](/cfr/14/171.309.md), [171.311](/cfr/14/171.311.md), [171.313](/cfr/14/171.313.md), [171.315](/cfr/14/171.315.md), [171.317](/cfr/14/171.317.md), [171.319](/cfr/14/171.319.md), and [171.321](/cfr/14/171.321.md).
  - (2) The fabrication and installation of the equipment must meet the requirements of [§ 171.323](/cfr/14/171.323.md).
  - (3) The owner must agree to operate and maintain the MLS facility in accordance with [§ 171.325](/cfr/14/171.325.md).
  - (4) The owner must agree to furnish operational records as set forth in [§ 171.327](/cfr/14/171.327.md) and agree to allow the FAA to inspect the facility and its operation whenever necessary.
  - (5) The owner must assure the FAA that he will not withdraw the MLS facility from service without the permission of the FAA.
  - (6) The owner must bear all costs of meeting the requirements of this section and of any flight or ground inspection made before the MLS facility is commissioned.
- (b) [Reserved]

## Notes

### Source

Source: Docket 20669, 51 FR 33177, Sept. 18, 1986, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(g), 40103-40107, 40109, 40113, 44502, 44701-44702, 44708-44709, 44711, 44719-44721, 45303, 46308.

### Source

Source: Docket 5034, 29 FR 11337, Aug. 6, 1964, unless otherwise noted.