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STAN PREP
STAN PREP
61
Aviation
Professional
03/02/2012

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Term
What is the maximum UNRESTRICTED gross weight of the MH-65C?
Definition
8900lbs
Term
Restricted operations may be conducted at a maximum weight of what?
Definition
9480lbs
Term
Airframe duplicated components such as engines are labled #1 for the left side and #2 for the right; how are avionics labeled?
Definition
#1 for right and #2 for left
Term
What type of engines are on the MH-65C?
Definition
Turbomeca Arriel 2C2-CG
Term
The rotational speen (N1) of the enging is measured by an electro-magnet sensor located where?
Definition
It is mounted on the FADEC alternator drive shaft.
Term
What does EBCAU stand for?
Definition
Emergency Back-up Control Auxilary Unit
Term
Where is the EBCAU located?
Definition
In the nose behind the battery.
Term
The signal N1C is sent to where?
Definition
The EBCAU and the VEMD
Term
What does VEMD stand for?
Definition
Vehicle and Engine Multifunction Display
Term
N2 measures what?
Definition
The speed of the free power turbine.
Term
Three signals transmit N2; what are they and where are they located?
Definition
N2a is xmted to the pilots NR guage and N2B and N2C are xmted to the FADEC and the VEMD for N2 speed control and over speed protection.
Term
Where are the 3 N2 sensors located?
Definition
On the reduction gearbox casing.
Term
What is the main purpose of the BIM and where is it located?
Definition
To help protect the engine from N2 over speed and it is located in the baggage compartment overhead.
Term
At what percent of N2 will the over speed protection begin?
Definition
122.5 +/- 1%
Term
Will the BIM protect against a dual N2 over speed?
Definition
No
Term
What is the other purpose of the BIM?
Definition
It also acts as a start relay between the FADEC system and the respective engine.
Term
What does FADEC stand for?
Definition
Full Authority Digital Engine Control
Term
What should be inspected after a post shutdown fire or extremely slow cool down of the engine once the FADEC Control Switch is turned off and why?
Definition
Stop-electro of the corresponding engine. A malfunctioning stop-electro will inhibit over speed protection
Term
Where is the engine oil pressure switch and transmitter located?
Definition
Downstream of the engine oil filter on the left side of each engine accessory gearbox.
Term
What is the minimum oil pressure before the low oil pressure light illuminates?
Definition
25PSI
Term
What other light illuminates when oil is below 25PSI?
Definition
Red engine status light in the overhead quadrant.
Term
Where is the engine oil temperature sensor located?
Definition
Downstream of the engine oil tank in each engine oil system.
Term
Turbine Outlet Temperature (TOT) is measured where?
Definition
At the free power turbine inlet.
Term
How is TOT measured?
Definition
Eight thermocouples are connected to a temperature confirmation box. The confirmation box then provides an average TOT signal to the FADEC and VEMD. The two signals are redundant.
Term
Ho many moduals does the VEMD have?
Definition
3
Term
What are the three VEMD display modules?
Definition
1 display module that includes 2 LCD screens and 2 processing modules, one for each screen.
Term
There are 3 modes to the VEMD. What are they?
Definition
Operational, Maintenance, and Configuration
Term
What electronic sensor deliveres Airspeed, OAT and Pressure data to the VEMD?
Definition
Air Data Unit.
Term
Where is the Air Data Unit located?
Definition
In the Avionics Rack.
Term
What happens when you simultaneously press and hold both BRT buttons for three seconds on the VEMD?
Definition
It places the VEMD in NVG compatible mode.
Term
On the VEMD what does FLI stand for?
Definition
First Limit Indicator.
Term
Under normal operating conditions what will the top LCD screen of the VEMD display?
Definition
FLI
Term
What will the bottom screen of the VEMD display under normal conditions?
Definition
Scroll through the vehicle, fuel, Engine Power Check(EPC) and system status pages.
Term
What happens if either screen fails on the VEMD.
Definition
The EPC and ststus pages will no longer be available.
Term
What does the FLI display?
Definition
Torque, TOT, and N1 are displayed along either side of the corresponding engine.
Term
What does the single needle in the center of the FLI page measure?
Definition
The parameter closedst to reaching its limit.
Term
On the FLI what does AEO stand for?
Definition
All Engines Operating.
Term
When is the FLI in AEO mode?
Definition
Anytime both engines are operating above 40% N1 and neither FADEC is in an OEI,training or idle state.
Term
What does HIPSARM stand for?
Definition
Hover Increased Power Search and Rescue Mission
Term
On the FLI what does 8.8 indicate?
Definition
Maximum continuous power
Term
A yellow arc runs from 8.8 to what on the FLI?
Definition
10.0 and a red bar.
Term
What does 10.0 represent on the FLI?
Definition
Maximum takeoff power.
Term
AT 10.7 a red diode is depicted, what does it represent?
Definition
Maximum Transient Power.
Term
When the FLI reaches 8.8 for 5 mins w/ either the N1 or TOT as the limiting parameter what is displayed?
Definition
HIPSARM (white pie shape)
Term
How long will the HIPSARM flash?
Definition
2 mins and 30 secs before turning solid white at 30 mins.
Term
How many zones are on the FLI and what are they?
Definition
4 upper information zone, message zone, lower information zone and FLI zone.
Term
When will the start mode be displayed?
Definition
If the FADEC is in stop mode or the N1 of one engine is INCREASING and < 60% or DECREASING and < 40%.
Term
When will a blue flashing start annunciation be present in the lower information zone of the FLI?
Definition
When the FADEC senses the starter is engaged.
Term
When will the digital value of the TOT be underlined with a flashing red line?
Definition
When the TOT reaches a value > 750 degrees Celsius.
Term
At what TOT temperature will the Flashing red light become solid on the FLI?
Definition
840 degrees Celsius.
Term
When will the FLI display OEI?
Definition
Whenever the N1 of either engine is less than 40% or either engine is idle.
Term
A solid red bar indicates what on the single engine display?
Definition
30 second OEI power.
Term
A yellow dashed bar indicates what on the single engine display?
Definition
Continuous OEI power.
Term
A dashed red bar indicates what on the single engine display?
Definition
2 minute OEI power.
Term
When the FLI needle enters 2 minute OEI range the 2 minute counter is displayed as what?
Definition
A yellow pie symbol.
Term
After 1 minute and 55 seconds what happens to the 2 minute OIE counter (yellow pie shape) on the FLI?
Definition
It flashes for 5 seconds then turns solid yellow( note the 30 second OEI works the same except with a red symbol)
Term
What switch duplicates the same indications of OEI mode?
Definition
FADEC training switch.
Term
Where is the FADEC training switch located?
Definition
RH side of the center console.
Term
What other indications will the FLI give to let you know your in training mode?
Definition
A yellow triangle w/ a "T" in it.
Term
On the fuel page of the VEMD when will the fuel quantity and fuel bar change to amber and a "LOW" alert appear?
Definition
When fuel quantity drops below 3%.
Term
Is there an acurate bingo indicator?
Definition
Yes
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