MQF Flashcards
T/F Anytime an operational limit is exceeded an appropriate entry shall be made on AFTO Form 781.
True
Anytime an operational limit is exceeded, the 781 entry shall state what limit or limits were exceed, ______, and any additional data that will aid maintenance personnel in the inspection that is required.
Range and duration
T/F When power is interrupted or removed from the center MFD all exceedance information is erased.
True
Nr green band
91-105%
Normally, autorotation RPM will be set at approximately 91-105% and sea level, ____, at light gross weight (2 persons/ full fuel)
70 KIAS
A helicopter can be started in a maximum steady state or peak gust wind speed of ___ knots or a maximum gust spread of ___ knots.
30, 15
Three energized periods allowed per ___. Limit starter energizing time to:
hour; 35 seconds ON, 3 minutes OFF, 35 seconds ON, 30 minutes OFF, 35 seconds ON
Center of gravity (CG) limits for loading purposes are located between fuselage stations ___
130-144
When flying at an aft CG (____) terminate an approach at a minimum 5 foot hover prior to landing to prevent striking the tail on the ground.
Station 140 to 144
Lateral CG limits
± 7.5 inches
Towing the helicopter, with ground handling wheels installed, on rough surfaces at gross weights in excess of ___ pounds may cause permanent set in the aft cross tube.
9,500 lbs.
Abrupt changes of flight controls causing negative “G” load are prohibited. Intentional flight below ___ is prohibited.
+0.5G
T/F Intentional flight into severe or extreme turbulence is prohibited.
True
The helicopter should not be towed for ___ minutes after the battery switch has been turned OFF to prevent damage to attitude and directional gyros. If the helicopter must be towed prior to the waiting period, the battery switch shall be turned ON. Wait ___ minutes after the switches are ON before moving the helicopter.
25, 5
Maximum cross slope landing capabilities under normal conditions
10°
Maximum nose up slope landing capabilities under normal conditions
10°
Maximum nose down slope landing capabilities under normal conditions
7°
Do not apply rotor brake above ___ Nr except for emergencies
20%
Applying rotor brake above ___ Nr will increase the tendency for the aircraft to spin on smooth surfaces.
40%
Dual tachometer (≤ to 91% Ng) Nr green band
91-105%
Dual tachometer (≤ to 91% Ng) Nf green band
97-104%
Dual tachometer: Red triangle at ___ (peak Nf). Transient range (from the Nf limit up to and including peak Nf) is limited to ___ seconds.
105%, 3 seconds
Dual tachometer (> 91% Ng) Nr green band
91-105%
Dual tachometer (> 91% Ng) choose Nf green band
97-102%
Ng green band (maximum)
105.8%
Engine oil temperature: green band (below 30°C FAT)
-55 to 93°C
Engine oil temperature: yellow band (below 30°C FAT)
93-100°C
Engine oil pressure: red band
0-25 psi
100+ psi
Engine oil pressure: white band
25-80 psi
Engine oil pressure: green band
80-100 psi
Engine oil pressure up to ___ psi on start is normal and aircraft limits have not been exceeded. Do not advance throttle until the pressure is within normal operating limits.
105 psi
EGT (prior to engine stabilization) green band:
0-950°C
EGT (engine stabilized) green band
400-820°c
EGT (engine stabilized) yellow band
820-880°C
EGT (engine stabilized) white band:
0-400°C
EGT (engine stabilized) red band:
880°C +
Transmission oil temperature: green band
-55 to 110°C
Transmission oil temperature red band
110°C +
Transmission oil pressure red band:
0-30 psi
70 psi +
Transmission oil pressure yellow band:
30-40 psi
Transmission oil pressure green band:
40-70 psi
Airspeed indicator (above 88% torque) red band:
80+ knots
Airspeed indicator (at or below 88% torque) red band:
130+ knots
Airspeed indicator (at or below 88% torque) green band:
0-130 knots
Fuel pressure white band:
0-8 psi
25-50 psi
Fuel pressure green band:
8-25 psi
Torque indicator green band:
0-88%
Torque indicator yellow band:
88-100% (5 minute limit)
If main cargo door comes open while in flight, reduce airspeed below ___ knots and secure the door.
50 knots
Do not operate the helicopter at airspeeds greater than ___ KIAS with cargo doors locked in the full open position
120 KIAS
Sideward flight limits are
35 knots
Rearward flight limits are
30 knots
T/F When the battery switch is ON, it allows the battery to be charged by the generator.
True
The fuel control assembly is mounted on the engine and consists of
metering section
computer section
overspeed governor
The engine de-ice is a fail-safe system and will automatically come on ___
In the event of a DC electrical failure
The compressor air-bleed band system and operation of the variable inlet guide vanes is controlled by
computer section
Icing of the engine air inlet screens can be expected when operating at outside air temperatures of ___ or below
4.4°C (40° F)
T/F The hydraulic switch, when in the OFF position, allows electrical current to flow to and close the hydraulic solenoid valve, thus denying hydraulic pressure to the servos. When in the ON position, current does not flow to the hydraulic solenoid valve leaving it open and hydraulic pressure applied to the servos
True
T/F The 90° gearbox provides no gear reduction
False
During a restricted visibility instrument takeoff, as the aircraft clears the ground, adjust attitude to a ___ degree nose low indication.
5°
T/F A freewheeling unit is incorporated in the XMSN to provide a quick-disconnect from the engine if a power failure occurs.
True
T/F Convective turbulence is the most frequently encountered turbulence
False
Fuel flow will increase about ___ lbs per hour with the bleed air heat on and about ___ lbs per hour with de-ice on.
14lbs (2%)
21lbs (3%)
T/F Collective pitch should never be applied to reduce rotor RPM below normal limits to extend your glide distance.
True
Tail rotor failure can put the aircraft in such an attitude that the pilot naturally tends toward ___ cyclic to correct the attitude.
right-rear
Following tail rotor failure, cyclic inputs combined with aircraft attitude can exceed the ___ and induce mast bumping.
12° flapping angle
A failure within the irreversible valve may cause extreme stiffness in the
Collective or 2 of the 4 cyclic control quadrants
Operating procedures, techniques, etc… that are considered essential to emphasize
Note
Operating procedures, techniques, etc… that will result in personal injury or loss of life if not carefully followed
Warning
Operating procedure, technique, etc… that will result in damage to equipment if not carefully followed
Caution
Do not store or place items under ___ seating. Failure to observe may cause injury to personnel, during hard landing where the seat my stroke down or collapse.
Any
T/F Although Halon vapor has a low toxicity, its decomposition products can be hazardous.
True
Because automatic acceleration, deceleration, and overspeed control are not provided with the GOV switch in the EMER position, throttle and collective coordinated control movements must be smooth to prevent ____.
compressor stall, overspeed & over-temp, engine failure
T/F When manipulating the search light control switch (SEARCH CONT) inadvertent actuation of governor RPM switch (GOV RPM INCR/DECR) is possible
True
The airspeed, vertical velocity and altimeter are unreliable below ___ because of rotor downwash on the pitot static system. During takeoff, do not rely on these instruments until at least ___.
20 KIAS and 20 KIAS
On the marginal power takeoff, do not inadvertently allow airspeed to drop below ___ or critical settling to the ground may occur.
ETL (16-24 knots)
If the aircraft cannot be stabilized at ___ without RPM bleed off, it is over-loaded for the current conditions.
a 2 ft. hover
T/F Rapid increase in collective is most effective in controlling rolling motions and is the recommended procedure if conditions permit. Reducing the collective and landing is acceptable as long as the pilot is prepared for cyclic into the slope.
False
When conducting a steep approach, reducing forward airspeed to zero before reaching hover altitude my result in
Vortex ring state
Under certain conditions, the rotating main rotor blades my flex or droop, resulting in a low ground clearance ____ which may be hazardous to boarding or deplaning personnel.
As low as 5 ft.
In the event the RPM audio sounds and/or warning light illuminates
Confirm engine malfunction by one or more other indications