SRS-USR-005 Rev. 0 – 737NG LDC User`s Manual
Contents
1. Input button airport code text field clears The user then completes the airport elevation runway heading runway gradient and landing distance available text fields and presses the save button Once the save button is pressed a status message appears on the main view indicating the entered values and that they are appropriately saved 2015 Specific Range Solutions Ltd 9 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 Carrier 100 11 11 PM _ 737NG Landing Distance Calculator App S R Developed by Specific Range Solutions Ltd w NOT FOR OPERATIONAL USE Aircraft Configuration Autobrake 1 Autobrake 2 Autobrake 3 Max Auto ERE Flap Configuration Flaps 30 MOS Reversers Operative None one ED Margin Setting Dry Runway Only 0 B Aircraft Weight kg Speed Increment kts Airport Runway and RSC Selection Airport Code IC Airport Elevation ft Runway Selectic Runway Heading deg Runway Gradient Landing Dist Available ft Save Edit Add Runway Runway Manual Input CRFI If Reported Airport Weather Data ATIS AWOS Wind Direction deg Wind Speed kts Temperature deg C Calculate Results of Calculation VREF kts Headwind Tailwind Component kts Left Right Crosswind Component kts Landing Distance Available ft Landing Distance Required ft Figure 4 1 L73NG LDC Runway Manual Input Airport Elevation The us2. runway at the corresponding airport already exists In order to remove an airport the user completes the airport code and runway reference texts fields and presses the remove button The Remove Runway button deletes the runway at the corresponding airport from the database Carrier 100 11 11 PM _ 737NG Landing Distance Calculator App g Developed by Specific Range Solutions Ltd E NOT FOR OPERATIONAL USE Aircraft Configuration l Autobrake 1 Autobrake 2 Autobrake 3 Max Auto RMERSIJERINE Reversers Operative C None om EE Margin Setting Dry Runway Only 0 ME Aircraft Weight kg Airport Code Airport Elevation ft Runway Reference Runway Heading deg Runway Surface Condition Runway Gradient Landing Dist Available ft Dry Save Remo unway Edit Add Runway Runway Manual Input CRFI If Reported Airport Weather Data ATIS AWOS Wind Direction deg Wind Speed kts Temperature deg C Calculate Results of Calculation VREF kts Headwind Tailwind Component kts Left Right Crosswind Component kts Landing Distance Available ft Landing Distance Required ft Figure 3 1 737NG LDC Edit Add Runway 2015 Specific Range Solutions Ltd 8 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 Airport Code The user inputs the airport code corresponding to the runway they wish add edit or remove Airport Elevatio
3. App Information App Information The app information is available by selecting the information icon next to the title The app information message is NOT FOR OPERATIONAL USE For evaluation purposes only App based on published performance data per Boeing 737 Quick Reference Handbook 737W CFM56 7B26 JAA JAROPS Note that non dry runway conditions are already adjusted by 15 and Autobrake 1 configuration is only valid for dry runway conditions Fifty three Canadian and U S airports are preloaded into the app e g CYOW CYYZ and KFLL To provide feedback or to request additional information please contact Omer Majeed at omer majeed srs aero Our website www srs aero Brightness Control The built in control function allows the brightness to be adjusted for day or night lighting conditions according to the user s preference 2 1 Aircraft Configuration Autobrake Mode The user selects the autobrake mode to be used for the landing The options are Autobrake 1 Autobrake 2 Autobrake 3 Max Auto and Max Manual 2015 Specific Range Solutions Ltd 3 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 Max Manual results in the shortest landing distance and Autobrake 1 results in the longest distance Flap Configuration The user selects the aircraft configuration either Flaps 30 or Flaps 40 The approach speed Vref is a function of the selected flap configuration aircraft weight and
4. Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 a Specific Range Solutions Lid Your partner in flight operations optimization support srs aero Wwww srs aero iPad 737NG Landing Distance Calculator App User s Manual 1 0 Summary The iPad 737NG Landing Distance Calculator App allows the user to accurately and quickly calculate the landing distance required and approach speed Vrer based on aircraft configuration airport and runway selection runway surface condition and airport weather data The runway wind components are also calculated The app is based on the Boeing 737 800W equipped with CFM56 7B26 engines and Category C brakes Failure cases are not included e Aircraft Configuration o Autobrake Mode o Flap Configuration o Reversers Operative o Margin Setting Dry Runway Only o Aircraft Weight o Speed Increment e Airport Runway and RSC Selection o Airport Code o Runway Selection o Runway Surface Condition or Reported CRFI e Airport Weather Data ATIS AWOS o Wind Direction deg o Wind Speed kts o Temperature deg C The airport selection also includes the ability to add edit or removed stored runways and to manually input basic runway information such as airport elevation runway heading runway gradient and landing distance available LDA for one time use This latter function is useful if a NOTAM is issued or if there is a need to land at an alterna
5. er Data ATIS AWOS Wind Direction deg 100 Wind Direction deg 100 Wind Speed kts 10 Wind Speed kts 10 Temperature deg C 10 Temperature deg C 10 Calculate Calculate Results of Calculation Results of Calculation VREF kts 135 VREF kts 146 Headwind Component kts 9 Headwind Component kts 9 Right Crosswind Component kts 5 Right Crosswind Component kts 5 Landing Distance Available ft 8000 Landing Distance Available ft 8000 Landing Distance Required ft 3143 Landing Distance Required ft 8601 LANDING DISTANCE AVAILABLE IS GREATER THAN LANDING DISTANCE REQUIRED Figure 2 1 737NG LDC 2015 Specific Range Solutions Ltd LANDING DISTANCE AVAILABLE IS LESS THAN LANDING DISTANCE REQUIRED Figure 2 2 737NG LDC Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 App Information NOT FOR OPERATIONAL USE For evaluation purposes only App based on published performance data per Boeing 737 Quick Reference Handbook 737 800W CFM56 7B26 JAA JAROPS Note that non dry runway conditions are already adjusted by 15 and Autobrake 1 configuration is only valid for dry runway conditions Fifty three Canadian and U S airports are preloaded into the app e g CYOW CYYZ and KFLL To provide feedback or to request additional information please contact Omer Majeed at omer majeed srs aero Our website www srs aero OK Figure 2 3 737NG LDC
6. er inputs the airport elevation in feet ft Runway Heading The user inputs the runway heading in degrees deg Runway Gradient The user inputs the runway gradient in percent Landing Distance Available The user inputs the landing distance available in feet ft Save Once the four text fields are completed The save button must be selected in order to temporarily store the information A status message appears on the main view indicating the entered values and that they are appropriately saved 5 0 Support If you have any questions would like to report a problem or make any comments please send an email to omer majeed srs aero Thank you for using iPad 737NG Landing Distance Calculator App We appreciate your support and encourage your feedback Version 0 8 Build 2 2015 Specific Range Solutions Ltd 10
7. in Database 2015 Specific Range Solutions Ltd 5 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 Table 2 2 U S Airports Preloaded in Database Runway Selection The user selects the active runway The runways listed correspond to the airports ICAO code The runway selection provides the runway heading the runway gradient and the landing distance available Runway Surface Condition The user selects the runway surface condition for the landing runway As described in the FAA TALPA ARC document the landing distance performance data is determined during flight tests and demonstrate the shortest landing distance required as a function of aircraft weight This can result in high touchdown sink rates and approach angles and maximum manual breaking being initiated as soon as possible The TALPA ARC also indicates that the contaminated runway landing distance data is determined analytically using the dry runway data 2015 Specific Range Solutions Ltd 6 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 Therefore the performance data landing distances are shorter than those achieved under normal operations hence the use of 15 of margin Canadian Runway Friction Index The user has the option to directly input the reported CRFI value in lieu of selecting the runway surface condition The CRFI data is taken directly from the Canada Flight Supplement and is based on the unfactored dry runway
8. landing distance If reverse thrust is not selected Table 1 data from the CFS is employed If reverse thrust is selected Table 2 data from the CFS is employed Margin 15 if selected is then applied to the landing distance required 2 3 Airport Weather Data Wind Direction The user inputs the reported wind direction at the arrival airport in degrees magnetic or true if the runway is designated as such Wind Speed The user inputs the reported wind speed at the arrival airport in knots Temperature The user inputs the reported temperature at the arrival airport in degrees Celsius 2 4 Results of Calculation Calculate Once the user presses the calculate button the results of calculation are displayed VREF The approach speed is output in knots and is a function of selected aircraft configuration aircraft weight and speed increment It is output once these three inputs are completed Headwind Tailwind Component Based on the reported wind direction and speed and the selected runway the headwind or tailwind component is calculated and then displayed Left Right Crosswind Component Based on the reported wind direction and speed and the selected runway the left or right crosswind component is calculated and then displayed The Left Crosswind Component kts or Right Crosswind Component kts message is displayed as required Landing Distance Available The landing distance available is displayed based on the input airpo
9. n The user inputs the elevation in feet corresponding to the airport It should be noted that if the airport exists in the database this field will autocomplete Runway Reference The user inputs the runway reference they wish to add edit or remove This field accepts integers between 0 and 36 as well as the letters C G L R T Runway Heading The user inputs the runway heading corresponding to the runway reference It should be noted that if the runway exists in the database this will autocomplete Runway Gradient The user inputs the runway gradient in percent Landing Distance Available The user inputs the landing distance available corresponding to the runway reference It should be noted that if the runway exists in the database this field will autocomplete Save Once the six text fields are completed the save button must be selected in order to add or edit the runway in the database Remove Runway Once the airport code and runway number are input the remove runway button will remove the runway for the database 4 0 Runway Manual Input Popover View The Runway Manual Input popover view displays the runway manual input option This includes airport elevation runway heading runway gradient and landing distance available This function takes precedence over the Add Edit Runway popover because it is used as an override function to permit landing at a runway not in the database When the user presses the Runway Manual
10. put functions Note The accuracy of the results depends on the accuracy of the data input by the user This app is designed for evaluation purposes only 2 0 Aircraft Configuration Airport Runway and RSC Selection Airport Weather Data and Results of Calculation Main View Carrier S 100 Carrier gt 100 IRIS 5 Aircraft Configuration 3NG ranging Distance Caleulator APP ic Ran SS Aircraft Configuration TSING didi Distance Caleulator APP ic Rang Sper nge Spe Als NOT FOR OPERATIONAL USE NOT FOR OPERATIONAL USE Autobrake 1 Autobrake 2 Autobrake 3 Max Auto IMERSMERME Autobrake 1 Autobrake 2 PEE Max Auto Max Manual Flap Configuration Flaps 30 GER Flap Configuration Flaps 30 MESO Reversers Operative None One EE Reversers Operative None One BE Margin Setting Dry Runway Only 0 B Margin Setting Dry Runway Only 0 Aircraft Weight kg 60000 Aircraft Weight kg 70000 Speed Increment kts 10 Speed Increment kts 10 Airport Runway and RSC Selection Airport Runway and RSC Selection Airport Code ICAO 4 Letter CYOW Airport Code ICAO 4 Letter CYOW Runway Selection Runway Surface Condition Runway Selection Runway Surface Condition Poor 07 Dry 07 Edit Add Runway CRFI If Reported Edit Add Runway Runway Manual Input Runway Manual Input CRFI If Reported Airport Weather Data ATIS AWOS Airport Weath
11. rt code and selected runway This value is also used in order to determine which status message to display Landing Distance Required The landing distance required is displayed based on the inputs of aircraft configuration weight airport and runway selection runway surface condition airport wind data and includes all corrections Status Message The status message displays whether the selected runway length is sufficient If the landing distance available is greater than or equal to the landing 2015 Specific Range Solutions Ltd 7 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 distance required a Go message is displayed However if the landing distance available is less than the landing distance required a No Go message is displayed The three status messages are e LANDING DISTANCE AVAILABLE IS LESS THAN LANDING DISTANCE REQUIRED e LANDING DISTANCE AVAILABLE IS EQUAL TO LANDING DISTANCE REQUIRED e LANDING DISTANCE AVAILABLE IS GREATER THAN LANDING DISTANCE REQUIRED 3 0 Edit Add Runway Popover View The Edit Add Runway popover view displays add edit or remove runway options This includes inputs of airport code airport elevation runway reference runway heading runway gradient and landing distance available In order to add or edit a runway the user completes the six text fields and presses the save button The Save button then either edits or creates a new runway based on if the inputted
12. speed increment The default flap setting is Flaps 40 which gives the lowest Vrer and landing distance Reversers Operative The user selects whether none one or two thrust reversers are operative With two reversers operative the landing distance required is the less than if both were not operative Margin Setting The user selects a margin of either 0 or 15 The margin is applied to the total landing distance required The default setting is set to 15 to ensure a conservative result for dry runway conditions or if CRFI is used Aircraft Weight The user inputs the aircraft weight in kg The app has a valid aircraft landing weight range of 40 000 kg to 85 000 kg Speed Increment The user inputs the speed increment above the approach speed in knots The speed increment is used to adjust the approach speed Vrer 2 2 Airport Selection Airport Code The user inputs the desired arrival airport s four letter ICAO code This code is used to populate the runway selection picker view as well as to determine the airport elevation correction to be added to the landing distance required It should be noted that the app is preloaded with the following twenty two Canadian airports and their runways per Table 2 1 and thirty one U S airports and their runways per Table 2 2 2015 Specific Range Solutions Ltd 4 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 e Airport a Table 2 1 Canadian Airports Preloaded
13. te airport The app relates these inputs to aircraft performance data contained in the 737 800W Quick Reference Handbook QRH to provide the approach speed landing distance available landing distance required and a status message indicating whether the landing distance available is sufficient or not The headwind or tailwind and left or right crosswind components are also calculated The application was designed to be pilot friendly by incorporating the following features e Black text on a light grey background for the labels e Black text on a light green background for the input fields 2015 Specific Range Solutions Ltd 1 Document Ref SRS USR 005 Rev 0 Version 0 8 2 October 11 2015 Blue segmented control button with a light green background Blue text on a light green background for the Calculate button Black text on a light blue background for the output fields In app brightness control The 737NG Landing Distance Calculator App is designed and optimized for the iPad running iOS 9 0 To increase simplicity and ease of use the app is composed of a single view with two popover views The main view is for input of aircraft configuration airport runway and runway surface condition selection as well as airport weather data and outputs of approach speed Vrer landing distance available landing distance required as well as runway wind components The popover views are for the Edit Add Runway and Runway Manual In
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