[Code of Federal Regulations]
[Title 24, Volume 1]
[Revised as of April 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 24CFR51.305]

[Page 392-393]
 
                 TITLE 24--HOUSING AND URBAN DEVELOPMENT
 
PART 51_ENVIRONMENTAL CRITERIA AND STANDARDS--Table of Contents
 
Subpart D_Siting of HUD Assisted Projects in Runway Clear Zones at Civil 
   Airports and Clear Zones and Accident Potential Zones at Military 
                                Airfields
 
Sec. 51.305  Implementation.

    (a) Projects already approved for assistance. This regulation does 
not apply to any project approved for assistance prior to the effective 
date of the regulation whether the project was actually under 
construction at that date or not.
    (b) Acceptable data on Runway Clear Zones, Clear Zones and Accident 
Potential Zones. The only Runway Clear Zones, Clear Zones and Accident 
Potential Zones which will be recognized in applying this part are those 
provided by the airport operators and which for civil airports are 
defined in accordance with FAA regulations 14 CFR part 152 or for 
military airfields, DOD Instruction 4165.57, 32 CFR part 256. All data, 
including changes, related to the dimensions of Runway Clear Zones for 
civil airports shall be verified with the nearest FAA Airports District 
Office before use by HUD.
    (c) Changes in Runway Clear Zones, Clear Zones, and Accident 
Potential Zones. If changes in the Runway Clear Zones, Clear Zones or 
Accident Potential Zones are made, the field offices shall immediately 
adopt these revised zones for use in reviewing proposed projects.
    (d) The decision to approve projects in the Runway Clear Zones, 
Clear

[[Page 393]]

Zones and Accident Potential Zones must be documented as part of the 
enviornmental assessment or, when no assessment is required, as part of 
the project file.