Skip to main content

Currently Skimming:


Pages 14-22

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 14...
... 14 4.1 Overview There are six worksheets denoted with green-shaded tabs in the EIAT for the input and processing of aircraft fleet data. These data define the proportion of operations by fixed-wing aircraft and rotorcraft and the proportion of piston engines within those two aircraft types.
From page 15...
... Aircraft Fleet Data 15 An important clarification must be made regarding which FAA/EPA default method is applied in the enhanced methodology for defining the piston-engine share of FW aircraft operations. The 2011 NEI documentation employs two methods: use of airport-based aircraft data from FAA Form 5010 (Airport Master Record)
From page 16...
... 16 Best Practices Guidebook for Preparing Lead Emission Inventories from Piston-Powered Aircraft with the Emission Inventory Analysis Tool 3. An aircraft population-based approach for determining the piston-engine share should be made only if (1)
From page 17...
... Aircraft Fleet Data 17 calculations occur elsewhere in Worksheets 4.3 and 4.4, and no further data entry is required in this worksheet. If the user selects either screening approach (for either aircraft type)
From page 18...
... 18 Best Practices Guidebook for Preparing Lead Emission Inventories from Piston-Powered Aircraft with the Emission Inventory Analysis Tool Tables 12 and 13 present additional information on the number of engines and the underlying distribution of engines used to develop the screening fuel consumption rates for the FAA/ EPA and ACRP 02-34 screening options, respectively. Table 12 presents the proportional mix of six engines used to calculate the FAA/EPA default fuel consumption rates; these are based on the 2011 NEI documentation.
From page 19...
... Aircraft Fleet Data 19 4.4 Detailed Piston Fleet Data: Worksheets 4.3 and 4.4 Worksheets 4.3 and 4.4 are where the user supplies the airport-specific piston-engine fleets to support the option of developing facility-specific, piston-engine fuel consumption rates. Both Worksheets 4.3 and 4.4 are described herein, as the format and function is nearly identical.
From page 20...
... 20 Best Practices Guidebook for Preparing Lead Emission Inventories from Piston-Powered Aircraft with the Emission Inventory Analysis Tool 2. If the "Facility Data, User Supplied" option is selected for RC in Worksheet 4.2, then the aircraft data in Worksheet 4.4 must be entered.
From page 21...
... Aircraft Fleet Data 21 4. The pre-existing data in Worksheets 4.3 and 4.4 (10 FW aircraft records and 6 RC records)
From page 22...
... 22 Best Practices Guidebook for Preparing Lead Emission Inventories from Piston-Powered Aircraft with the Emission Inventory Analysis Tool in ACRP 02-34, which form the foundation of this database, did not test the RC-specific load points because these are not standard modes.

Key Terms



This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.