Development of a Small Aircraft Runway Length Analysis Tool (2022) / Chapter Skim
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32 4 SMALL AIRCRAFT RUNWAY LENGTH ANALYSIS TOOL This section describes the features in the SARLAT (version 1.2.8)
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33 validation modes. The analysis modes are a)
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34 The upper left-hand side red panel in Figure 20 shows the access to all the analysis modes in SARLAT. Users access analysis and validation modes by expanding the menu on the main GUI screen's upper left corner (colored red)
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35 turbofan aircraft (Cessna 560 XL)
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36 The aircraft information includes general engine type, aircraft design and approach speed groups, maximum takeoff weight, useful load and flap settings used for takeoff and landing calculations. Figure 23 shows that for a Textron Aviation King Air B350ER the aircraft is limited to carry 43% of its maximum useful load (takeoff weight is 13,329 lb.)
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37 Figure 23: Runway Evaluation Mode Output in the SARLAT. 4.2 RUNWAY DESIGN MODE The runway design mode estimates the takeoff and landing runway length requirements for individual aircraft for a given set of airport conditions.
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38 5) Define the runway information (runway gradient and runway pavement conditions)
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39 Figure 25: Runway Design Mode Aircraft Fleet Selection Table in SARLAT. Aircraft are Grouped by Engine Type in SARLAT.
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40 The critical runway length for this example is 6,136 feet required by the Cessna Citation Jet 1 (wet takeoff conditions)
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41 Figure 27: Runway Design Mode Output in the SARLAT. Table Shows Relevant Characteristics for Aircraft Selected in the Runway Design Analysis.
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42 Figure 28: Runway Design Mode Output in the SARLAT. Unfeasible Cessna Citation Jet 1 Operations due to Weight and Temperature Limitations.
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43 Figure 29: Runway Evaluation Validation Mode in the SARLAT. Mooney M20J Runway Data for Dry and Wet Runway Paved Conditions.
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44 shows two runway design plots for the Cessna Citation Jet 3 aircraft operating with 90% useful load, zero wind, and dry and wet runway pavement conditions. To use the validation information provided, the user selects the desired aircraft useful load (as percent of the maximum useful load)
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45 Table 7: SARLAT Input Parameter Limits. Parameter Lower Limit Upper Limit Remarks Temperature (deg.
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