Fuel PX is triggered when fuel pressure drops below how much psi in the motive supply line?
10 psi
Except for air conditioning, no ECS systems will function when this switch is OFF.
BLEED AIR INFLOW switch
An 80% charge on the main battery ensures how many minutes of useful power with the BUS TIE open?
30 minutes
The Harvard is equipped with this mode of transponder.
Mode S Transponder
EHYD PX LO will illuminate when the hydraulic pressure in the emergency accumulator drops below this amount of pressure?
2400 psi, ± 150 psi
The propeller is a constant speed, variable pitch, ________, feathering propeller.
non-reversing
Setting the PRESSURIZATION switch to RAM/DUMP is the only method for allowing ram air, or ambient air, into the cockpit above what altitude?
7,500 ft
Exhaust gas from the engine augments the thrust produced by the propeller by adding up to how much thrust?
70 pounds (lb) of thrust
The GPS can store up to 25 flight plans with up to how many waypoints in each flight plan?
30 waypoints
What button allows the landing gear handle to be raised on the ground.
Downlock Override button
With the PMU functioning, the mechanical overspeed governor in the PIU attempts to limit Np below ___?
106%
The amber DUCT TEMP annunciator illuminates if the system detects an air temperature above which temperture?
149°C or 300°F
A voltage sensor protects the aircraft from over-voltage. If the external voltage level exceeds ____, external power will be disconnected from the Electrical System.
29.2 VDC
Do this on the VHF Backup Control Unit to automatically select the VHF emergency frequency of 121.5 MHz
Press and hold the frequency transfer button for 7 seconds
Normal gear extension and retraction of the landing gear takes approximately how long to complete?
6 seconds
When the propeller de-ice system is activated, the de-ice boots will operate for __ seconds of operation. The elements in the de-ice boots are then de-energized for__ seconds.
90, 90
The red OBOGS FAIL annunciator illuminates on the Main Annunciator Panel approximately how long after the oxygen concentration falls below normal?
20 to 30 seconds
What is the normal operating range of the gas generator turbine?
60% - 104%
The AHRS has two modes. Slaved and Directional Gyro (DG). In DG mode, how is the compass reference selected?
manually by the pilot
Apart from manually retracting the speed brake with the speed brake switch, what are all the other possible methods to retract the speed brake ?
Moving the flap selector out of the UP position and moving the PCL to the MAX position.
If the middle fuel probe in a tank were to fail, the indicated fuel level in that tank would be approximately how much?
308 +/- 50 lb
Which ECS switch is powered by the hot battery bus?
RAM AIR FLOW Switch
Should IOAT and ITT indications be invalid during high temperature operations, what action should be taken?
the PMU should be reset.
In the Harvard, the sensitivity level of the TAS is determined by the position of the landing gear. When landing gear is extended, what is the condition for issuance of traffic advisory of Non-Altitude Reporting (NAR) Intruders?
Non-Altitude Reporting (NAR) Intruder is within 15 seconds or 0.20 NM range.
With a landing gear malfunction, there is a set of circuit breakers to check if the gear does not appear visually down and safe gear indications are not obtained. Which of these circuit breakers are only in the aft cockpit?
INST LT circuit breaker