3.7 Travis AFB Mission Footprints
Mission activities conducted on and around Travis AFB can potentially generate impacts on surrounding community areas if incompatible land uses are developed . Examples of potential mission impacts on surrounding communities include noise and vibration from overhead flights and the risk of an aircraft accident . Conversely , the military mission is susceptible to hazards and other incompatibilities created by certain types of civilian development or activities , such as obstructions to air space or location of noise sensitive uses in high noise zones . Understanding the overlapping spatial patterns of these compatibility zones on mission footprint is essential to promote compatible and informed land use decisions .
Travis AFB Footprint Elements
There are several elements that make up the mission footprints that extend outside the Travis AFB boundaries . These essential elements play a key role in the installation ’ s viability for sustaining current and future mission operations . These elements are listed as follows and described in more detail on the following pages .
• Airfield Approach and Departure Flight Tracks
• Imaginary Surfaces
• Airfield Accident Potential Zones
• Aircraft Noise Contours
• Airspace Control
• Part 77 Vertical Obstruction Compliance
• Bird / Wildlife Aircraft Strike Hazard ( BASH ) Relevancy Area in the design of these flight tracks . Travis AFB h 03R / 21L ) and one assault landing zone ( 03 / 21 ).
Figure 3‐5 illustrates the primary flight tracks us Other flight tracks may also be used depending or mission .
Aircraft operating at Travis AFB use the followin
• Straight‐out departure
• Straight‐in approach
• Precision and non‐precision instrument a rectangular closed patterns to the southe 2,000 feet AGL and 1,500 feet AGL
• Spiral down approaches to a landing on t
The closed pattern flight tracks are isolated to a installation and consist of low‐level altitude fligh the closed pattern flight tracks tend to stay awa areas but go over parts of western Fairfield and operation performed by the aircraft using these create noise and vibration impacts on land uses
Source : Air Installation Compatible Use Zone Repo November 2009
Airfield Approach and Departure Flight Tracks Flight tracks are developed to provide guidance on the range of standard operations that are associated with the airfield . These are created using information gathered from air traffic controllers , pilots , and other sources . When flight tracks are developed they attempt to avoid urban development as much as possible to reduce impacts and risk to the general public and commercial or general aviation activities . Safety of operations is paramount
Page 3‐14