Comm/Nav Equipment Flashcards
Co-Pilot Pitot Static Port also powers what?
The Navigator’s instruments and Co-Pilot’s Instruments
The Pitot Static System supplies pitot and static pressure to what?
1) The Air Data Sensor
2) The GCAS system
3) The Autopilot
What is the purpose of the emergency shutoff valves for pitot system?
1) In the event one of the pitot static ports are damaged, that only one side can supply data to the systems.
What must happen to check VOR/TACAN
1) At compass rose, +/- 4 degrees
2) +/- 4 degrees of the opposite Tacan/VOR
3) Range within 1/2 mile or 3% of distance whichever is greater.
The Compass Systems and heading indicators should be how many degrees from the master? how many from each other?
1) +/- 1 degree of master
2) +/- 2 degrees of each other
How many GPS Satellites can the AVP system receive?
Up to 10
How many Space Based Augmentation System Satellites can the AVP system receive?
up to 2
What type of approaches do the SBAS (Space Based Augmentation System) effect?
They are used for RNAV, they provide better accuracy than normal GPS.
WAAS is compatible with what other RNAV/GPS systems?
European - Galileo
Japan - MSAS
What is required wile oceanic crossing using GPS systems only?
Fault Detection and Exclusion Accuracy (FDE Accuracy)
Attitude and Heading Reference Systems (AHRS) #2 is powered by what BUS?
The ISO DC Bus
AHARS #1 is powered by what?
P AVS DC bus
The AHRS provides what for the Flight Management System (FMS)
1) Pitch, heading, roll
The FMS (Flight Management System) consists of what?
1) AHRS Control Panel (MX use only)
2) Attitude and Heading Computer
3) External Compensator unit
4) Flux Detector Units
What components provide info to the Air Data Computers?
1) Existing Pitot Static System
2) New total temperature probe
What supplies info to the IFF
1) The Air Data Computer
What powers the Air Data Computer (ADC #2)?
What powers the Air Data Computer (ADC #1)?
ADC #2 = ISO DC Bus
ADC #1 = P AVS Bus
What information do the INUs provide?
Primary heading and attitude reference data
AVP has what two types of INU alignments?
1) Gyro-Compass (GC)
2) Stored Heading (SH)
expect to use GC
What navigation solutions are available in AVP?
1) Military Navigation Solution (Mil 1 and 2)
2) Civil Navigation Solution (CIV 1 and 2)
3) Inertial Navigation Solution (INU 1 & 2)
What gives info for MIL 1 and 2
1) Mil GPS
2) Heading data (INU or AHRS)
3) Air Data Computer
What gives info for CIV 1 and 2
1) Data from WAAS capable GPS
2) Heading data (INU or AHRS)
What gives info for INU 1 and 2
1) Pull from “on-side” INU only
2) Go to sensors page – see the differences between INU and CIV solutions.
If you get the Check FMS 1 or FMS 2 light
1) The solutions differ by more than the RNP value
- Certified to RNP 0.3
What drives the designated solution?
The last autopilot selected.
So AP/L (AP-1) or AP/R (AP-2)
How many “patters” or “flight plans” can the Flight Management System Hold?
Six
What type of holding patterns can the FMS create?
1) Circle
2) Racetrack
3) Figure Eight
4) Close Random Patterns (up to 9 way points)
What is the Legacy Navigation systems
1) Analog air data computer
2) 2 INUs
3) the mil GPS
4) Doppler Inputs
When does the ADI repeat function work on Legacy
Only with Pilot has ILS stationed tuned and VOR/ILS 1 or 2 Selected.
What does the pointer selector switch do on Legacy?
Allows inform from the VOR to be displayed on BDHI.
What is the power source for the ADI in Legacy
1) 115 volt Essential AC
2) The turn needle from Essential DC bus
What does CANS need to provide information
1) An analog air data computer
2) Total Temperature Probe
3) Ram Air (pitot Pressure)
4) ambient air (static pressure)
5) Total temperature
CANS doppler provides what?
1) Continuous indications of drift angle
2) Ground speed
updates every 4 seconds
What 3 items provide drift angle and ground speed info on legacy?
1) CANS doppler
2) INUs
3) GPS
CANS radar Altimeter is good for what phases of flight and bad for what phases?
Good - Take, Landing, Go-Around
Bad - Low level Flight
CANS autopilot interface uses what for attitude stabilization
1) C12 Compass or 2) CANS inputs
CANS Flight director Interface provides 3 outputs?
1) Track Angle Error
2) Distance off Track
3) distance to go
How are the input given to the NAV solution on legacy? what is the source?
NAV solution uses INU 1 and INU 2. Data sent through 1553 Bus.
What are the HSI tolerances for the Nav Computer on Legacy?
1) First dot = 2 NM
2) Second dot = 4 NM
How many C-12 Compasses are on the EC-130?
Where are the controls for these systems?
1) 2 C-12s
2) At the Nav’s station
CANS use of GPS provides what information?
1) Position
2) Altitude
3) Speed
4) Time
At Figure of merit 1 what is the accuracy of the GPS
1) 25 Meters of aircraft position
What does CANS give inputs to?
1) DF
2) JTIDS
3) DMIS
4) SPEAR
5) HB systems
all via the 1533 data bus
how long does the most accurate INU alignment take and how long does it last for?
1) takes 7-12 minutes
2) last up to 10 hours of flight
how long does it take for best available true heading alignment?
1) 2 minutes
2) attitude is good, but performance cannot be guaranteed
- noted degraded performance
How long must the INUs be aligned after INS put into NAV mode
1) 10 Minutes.
2) must have a new heading varied by 70 - 110 degrees from the previous.
ARC-210 radios have what frequency separation
and why is it important?
1) 25 and 8.33 kHz frequency
For European frequency and operations
Where can you get information about USAF high Frequency communication systems?
Section B of the Flight Information Handbook
What are the elements that make the HAVE QUICK THEORY WORK?
1) WOD (Word of the Day)
2) TOD (Time of the Day)
3) Net Number
What does the WOD supply
1) frequency hopping rate and pattern
What does the TOD supply
1) synchronization
The net number provides what for HAVE QUICK?
1) interoperability, enabling multiple users to operate simultaneously, on the same WOD using the Same TOD
How often does the TCAS system send out signals?
what mode sends the signal and what mode receives the signal?
1) every 10 seconds
2) The Mode S aircraft sends and other mode S aircraft sends
At what level of flaps does the E TCAS inhibit increase climb maneuvers?
at what altitude does E TCAS inhibit increase climb maneuvers?
1) More than 45% of the flaps
2) FL 200
how do you respond to RAs?
1) By Climbing or descending to the green arc (Legacy)
2) By climbing or descending to the VSI bar for AVP aircraft
How long is it expected for you to respond to an RA?
1) 2.5 seconds
Which has higher priority … ETCAS or GCAS?
1) GCAS
Which instruments rely on the rosemount pitot static system for operation?
1) VVI
2) Altimeter
3) Airspeed indicator
4) autopilot
5) GPS
What is the maximum tolerance for the two compass systems? of each other and of the actual heading?
1) plus or minus 2 degrees of each other
2) plus or minus 1 degree of actual heading
Which buses can supply AC power to the legacy flight director system?
1) Essential and CoPilot’s Inverter Buses
What is the radiation hazard area for the HF radio
1) Within 5 feet when not in STBY or off
Which instruments rely on radar altimeter?
1) Nav Computer
2) GCAS
3) Autopilot
4) E-TCAS
What Radio is considered the emergency radio?
Legacy? AVP?
Legacy - UHF 1
AVP - Rad 1
