F-22 Plus-Up Environmental Assessment - Joint Base Elmendorf ...

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F-22 Plus-Up Environmental Assessment 2.0 Description of the Proposed Action and Alternatives Figure 2.2-3. MOAs, Restricted Areas, and Air-to-Ground Ranges Page 2-8
F-22 Plus-Up Environmental Assessment 2.0 Description of the Proposed Action and Alternatives An ATCAA is airspace, often overlying a MOA, extending from 18,000 feet MSL to the altitude assigned by the FAA. Assigned on an as-needed basis and established by a letter of agreement between a military unit and the local FAA Air Route Traffic Control Center (ARTCC), each ATCAA provides additional airspace for training. ATCAAs are released to military users by the FAA only for the time they are to be used, allowing maximum access to the airspace by civilian aviation. Currently, military training routes (MTR) are not utilized by the F-22s at JBER-Elmendorf and are not expected to be used under the proposed plus-up. MTRs are flight corridors used to practice high-speed, low-altitude training, generally below 10,000 feet MSL. They are described by a centerline, with defined horizontal limits on either side of the centerline and vertical limits expressed as minimum and maximum altitudes along the flight track. Table 2.2-1 describes the current and projected F-22 air superiority missions and training. The F-22s typically fly one and one-half to two hour long missions, including takeoff, transit to and from the training airspace, training activities, and landing. Depending upon the distance and type of training activity, the F-22 spends between 20 to 60 minutes in a training airspace. On occasion during an exercise, the F-22 spends up to 90 minutes in one or a set of airspace units. The additional F- 22s would train just as the existing F-22s currently train. On average, the additional F-22s would fly the same percentage of The F-22 spends 70 percent of training time above 30,000 feet MSL. time after dark (30 percent) as do the F-22s currently using the airspaces. Barring a national emergency or a large scale exercise, after-dark sorties are not expected to occur during environmental night (10:00 p.m. to 7:00 a.m.). The F-22 could use the full, authorized capabilities of the airspace units from 500 feet above ground level (AGL) to above 60,000 feet MSL. The F-22 would rarely (5 percent or less) fly below 10,000 feet MSL and consistently operates from 10,000 feet MSL to well above 30,000 feet MSL (see Table 2.2-2.) Actual flight altitudes in a specific airspace would depend upon the lower and upper limits of specific airspace units. More than 99 percent of supersonic flight would be conducted above 10,000 feet MSL, with approximately 75 percent occurring above 30,000 feet MSL. In authorized airspace, less than one percent of supersonic flight would occur below 10,000 feet MSL. Notes: AGL = above ground level; MSL = mean sea level; Page 2-9
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Page 3 and 4: Cover Sheet ENVIRONMENTAL ASSESSMEN
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Page 41 and 42: Page 2-13 Table 2.2-3. Baseline and
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F-22 Plus-Up Environmental Assessme
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Page 3-51 Table 3.8-1. Special Use
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Table 5.1-1. Past, Present, and Rea
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Table 5.1-2. Past, Present, and Rea
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Appendix A Characteristics of Chaff
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APPENDIX A CHARACTERISTICS OF CHAFF
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Table 2. Characteristics of RR-188
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they demonstrate ejection of 98 per
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Appendix B Characteristics and Anal
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APPENDIX B CHARACTERISTICS AND ANAL
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Figure 1. MJU-10/B Flare F-22 Plus-
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Flare failure would occur if the fl
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4.2 Flare Strike Risk Residual flar
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and velocity. A slug is defined as
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The S&I device maximum momentum wou
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Appendix C Public and Agency Outrea
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Senator Lisa Murkowski ATTN: Karen
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New Koliganek Village Council ATTN:
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Alaska Department of Natural Resour
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Eklutna Native Village ATTN: Doroth
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Village of Stony River ATTN: Mary W
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Village of Stony River ATTN: Mary W
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Appendix D Aircraft Noise Analysis
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Appendix E Sec 7 (ESA) Compliance W
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SECTION 7 (ENDANGERED SPECIES ACT)
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not require additional construction
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Other diet items include cod, pollo
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1.5.6 Northern Sea Otter—Southwes
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Most sound is actually transmitted
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The visual experience of an F-22 ov
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Figure 2. Water Surface Area Below
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approached by projected sound level
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whale are considered to be possible
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_____. 2010c. Proposed Critical Hab
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APPENDIX 1. NOISE IMPACTS ASSESSMEN
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important in determining whether an
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SPL (dB) Frequency (Hz) Figure 2. U
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e 1 µPa, 125-130 dB re 1 µPa, and
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1.18 Appendix 1 References Blackwel
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APPENDIX 2. INFORMATION ON BELUGA W
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Delphinapterus leucas, after exposu
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F2.1 Ungulates Wild ungulates appea
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F2.2 Waterfowl and Other Waterbirds
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leaving an aircraft during training
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Cavedo, A. M., K. S. Latimer, H. L.
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Perry, E. A., D. J. Boness, and S.
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