HDDs and Data Entry
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F-35
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Su-35
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Gulfstream
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Objectives
• To give you a broad background on:
– Head Down Displays – Data Entry
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Scope
1. Head Down Displays 2. Control and Data Entry
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Head Down Displays
1. Cathode Ray Tube 2. LCD 3. Light Emitting Diodes
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CRT
•Phosporous screen “glows”
•Bulky
•Heavy •Lots of magnetic radiation •Consumes lots of power
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F18 E with CRT displays
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LCD
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LCD
•Passive or active matrixes •Each pixel controlled by three transistors for colour •Pixel arrangement for max look angle •Voltage determines intensity •Thin and lightweight •Low power consumption
•High resolution
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LCD
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LED (1)
•A semiconductor with extra electrons is called Ntype material, since it has extra negatively-charged particles.
•A semiconductor with extra holes is called P-type material, since it effectively has extra positively-charged particles.
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LED (2)
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LED (3)
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LED (4)
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LED
•Low resolution displays •Used in Hawk UFCP
WS 45’ NAV PRG L+R COOL
Nov 2009
A-A# QAG HOT* FREE LCOS
1500’ 105 02. 312 . 325 03. 68 . 825
VTR* TGT OFS*
STAD
FRND MLNK
DLNK
RDR
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HDDs and Data Entry
Colour LED
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Data Entry
1. Airbus vs Boeing 2. Nadir 3000 Flight Management System
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Airbus 380
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Airbus 380 (closer)
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Boeing 787
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Boeing 787
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Dassault Falcon 7X (Sidestick)
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Dassault Falcon 900EX (Yoke)
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C130 cockpit layout
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A109 cockpit layout
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Flight Management System
MSG : display plain language FMS messages. FPLN : Flight plan definition, revision, display. PROG : progress along the active flight plan, active constraints, speeds, position monitoring. DTO : direct to function, including nearest airports. PERF : performances according to flight phase. Fuel and weight management. RMS : radio nav/com management. HOLD : position hold and update. DATA : access to FMS general MENU (including INIT volume, TUNE volume, FMS and sensors status, data base). EXEC : validation of main mods of active flight plan.
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NADIR 3000 FMS composition
NAVM
MCDU
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ADL
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FMS interface synthesis
• The FMS will interface directly through Arinc 429 links :
– – – – 2 AHRS 1 GPS 1 Doppler 1 CMU (manufactured by Grintek) for autotuning of DME, ADF, VOR – 2 FCM (AFCS sub-system) – 2 VMM (CDS sub-system) – 2 MFD (CDS sub-system) which concentrate VOR, ADF, DME, ADC and RA data
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FLIGHT MANAGEMENT FUNCTIONAL OVERVIEW
• • • • •
LOCALIZATION NAVIGATION DATA BASE LATERAL NAVIGATION VERTICAL NAVIGATION PERFORMANCES / PREDICTIONS • RADIO NAV MANAGEMENT
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LOCALIZATION (1/2)
• BEST COMPUTED POSITION (BCP) :
– BLENDING OF GPS POSITION & SPEED, DOPPLER SPEED, DME DISTANCES, VOR BEARINGS – BACKUP MODE WITH TAS, HEADING AND WIND – AUTOMATIC SENSORS MONITORING – MANUAL SENSOR DESELECTION
• PURE GPS POSITION
• MANUAL POSITION UPDATING
• POSITION MONITORING and Data Entry (BCP versus GPS) Nov 2009 HDDs
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LOCALIZATION (2/2)
• DOPPLER SPEED CORRECTION (sea current, surface wind) • POSITION DISPLAY AND ENTRY IN EITHER LAT/LONG, UTM OR MGRS coordinates
• SELECTION OF LOCAL GEODETIC DATUM ACCORDING TO STANAG 4294
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• STANDARD DATA BASE :
– – – –
NAVIGATION DATA BASE
AIRPORTS, RUNWAYS VHF NAVAIDS ENROUTE AND TERMINAL WAYPOINTS AND NDB NAVAIDS TERMINAL PROCEDURES (SIDs, STARs, Non Precision Approaches), including holding patterns, procedure turns and DME arcs – UPLOADING WITH THE ADL
• PILOT DATA BASE :
– 300 LOCATIONS : • 100 WAYPOINTS • 100 AIRPORTS • 100 NAVAIDS – 100 PILOT ROUTES OF 40 WPTS (either standard or pilot database locations) – UP/DOWNLOADING WITH THE ADL
• TACTICAL DATA BASE :
– 4 ROUTES OF 100 TACTICAL WPTS EACH – UP/DOWNLOADING WITH THE ADL
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IFR FLIGHT PLAN
• 100 WPTS IN FLIGHT PLAN • SELECTION OF PILOT ROUTE, SID, STAR, APPROACH • MANAGEMENT OF ALL 23 ARINC 424 LEG TYPES • LATERAL OFFSET • DIRECT TO WITH OPTIONAL INBOUND COURSE • HOLDING PATTERN, RETRIEVED FROM TERMINAL PROCEDURES, OR PILOT DEFINED • SELECTABLE TURN ANTICIPATION
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TACTICAL FLIGHT PLAN
• • • • • • • TACTICAL FPLN ACTIVATION IN NORMAL OR REVERSE WAY SELECTION OF 1ST OR 2ND ITINERARY REQUIRED TIME OF ARRIVAL AVAILABLE ON EACH WPT MAX TERRAIN ALTITUDE FOR EACH LEG ALTITUDE MARGIN DIRECT TO DOWNSTREAM TACTICAL WPT SELECTABLE TURN ANTICIPATION
115 101 1st itinerary 116
118
117
119
122
Decision wpt
140 145 2nd itinerary 150
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SAR FLIGHT PLAN
• SEARCH AND RESCUE PATTERNS :
– LADDER – EXPANDING SQUARE – SECTOR
• •
INTERRUPT AND RESUME ABILITY PATTERN PARAMETERS ADJUSTMENT
bearing
bearing
bearing
02 03
02
03
length
spacing
06
length
07
01 (origin)
03 spacing 02 length 01 (origin) 04
05 04
01 (origin)
05
04
LADDER
EXPANDING SQUARE
SECTOR
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LATERAL NAVIGATION
• LEG GUIDANCE DATA :
– CROSS TRACK DISTANCE & ANGLE, – WPT BEARING, DISTANCE & TIME
• ROLL COMMAND COMPUTATION FOR AFCS COUPLING • TURN ANTICIPATION WHERE NO OVERFLY REQUIRED • WAYPOINT ALERT • NAVIGATION ACCURACY CHECK versus RNP (automatic generation with manual override) • TRUE OR MAG NAVIGATION, WITH AUTOMATIC MAGNETIC VARIATION
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VERTICAL NAVIGATION
• DISPLAY OF VERTICAL CONSTRAINTS INCLUDED IN SID / STAR / APPROACH • FLIGHT LEVEL SELECTION • TOP OF DESCENT, TOP OF CLIMB, LEVEL INTERCEPTION • VERTICAL DEVIATION COMPUTATION • CRUISE ALTITUDE STEPS MANAGEMENT
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PERFORMANCES / PREDICTIONS
• WEIGHT ENTRIES : EMPTY, FUEL, RESERVE, ... • FUEL FLOW INTEGRATION, GROSS WEIGHT COMPUTATION • FUEL CONSUMPTION AND ENDURANCE • MEAN CRUISE WIND ENTRY • ETA / FUEL ON ACTIVE FLIGHT PLAN • ETA / FUEL ON ALTERNATE WAYPOINT • NON RETURN POINT COMPUTATION AND DISPLAY • FUEL ALERTS : END OF FLIGHT PLAN, ALTERNATE
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RADIO NAV AUTOTUNING
• AUTOTUNING OF :
– – – – VOR 1 VOR 2 DME CHANNEL 3 ADF
• NAVAIDS IDENTIFICATION DISPLAY • BEARING AND DISTANCE DISPLAY • FREQUENCIES CONTROL • AUTOTUNING ENABLE / DISABLE • NEAREST NAVAIDS LIST DISPLAY
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