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WorksheetsEnstrom 480 1/3
Total questions: 60
Worksheet time: 30mins
Name
Class
Date
1.
The Enstrom 480 has………... engine(s)
a)
piston
b)
turbine
2.
The engine installed is …………
a)
Rolls-Royce 250
b)
Turbomeca Arrius 2F
3.
The Enstrom 480B has ……….bladed MR system
a)
four
b)
three
4.
The rotor system employed is of fully ……….system
a)
articulated
b)
bearingless
5.
The cabin/cockpit can accomodate up to ………..persons
a)
four
b)
five
6.
There can be only ……...persons in the cockpit when dual controls are fitted
a)
three
b)
four
7.
The approximate empty weight is……... lbs
a)
1 500
b)
1800
8.
The actual EEW of the helicopter shall be checked with…..
a)
aircraft documents
b)
preceding pilot
9.
The MTOM is …….. lbs
a)
3 000
b)
2850
10.
The helicopter may be operated at MTOM of 3 000 lbs up to ……..ft DA
a)
10 000
b)
13 000
11.
The MTOM for operation at 10 000 – 13 000 ft DA is ……..lbs
a)
3 000
b)
2 850
12.
Maximum fuel capacity is ……US Gal
a)
90
b)
95
13.
Maximum load in the cargo bay is ……..lbs
a)
150
b)
200
14.
The maximum operating altitude of the helicopter is………..ft DA
a)
10 000
b)
13 000
15.
The maximum power-on VNE is ……..KIAS
a)
124
b)
142
16.
The maximum power-off VNE is ……..KIAS
a)
58
b)
85
17.
The maximum side- and rear-ward flight airspeed is ……..knots
a)
35
b)
53
18.
Maximum pitch/roll attitude is …….deg.
a)
45
b)
90
19.
Cabin floor and backwall are made of …..
a)
aluminium
b)
composite
20.
Keel structure is made of …….
a)
aluminium
b)
composite
21.
The pylon is made of …….
a)
composite
b)
steel
22.
The pylon is of ……..structure
a)
frame and truss
b)
semimonocoque
23.
Cabin is made of ……..
a)
composite
b)
forged duraluminium
24.
Tailcone is of ……..structre
a)
truss and frame
b)
semi-monocoque
25.
Window panes are made of ……..
a)
acrylic
b)
plexiglass
26.
The helicopter has ……..vertical stabilizers
a)
one
b)
two
27.
The landing gear has……..hydraulic chock dampeners
a)
two
b)
four
28.
Ground handling wheels ……….be removed prior to flight
a)
must
b)
need not
29.
The flight envelope card can be found………….
a)
between the crew seats
b)
on top of instrument panel
30.
Apparent wrinkles on the bottom of the tailcone are …………..
a)
acceptable
b)
unacceptable
31.
Oleos condition indicators are located on ……….oleos
a)
all four
b)
rear only
32.
Feathering of the blades is made possible thanks to ……….
a)
TT-Strap
b)
lamiflex bearings
33.
Flapping of the blades is made possible thanks to…….. Bearings
a)
elastomeric
b)
roller
34.
Dragging of the blades is made possible thanks to ……...bearings
a)
elastomeric
b)
roller
35.
The TT Strap is made of ………and plastic
a)
aluminium plates
b)
fine steel wire
36.
Main rotor blade is made of ………
a)
composite
b)
aluminium
37.
Main rotor blade has ……..trim tabs
a)
one
b)
two
38.
Main rotor blade spar is made of ………
a)
aluminium
b)
steel
39.
Main rotor blade skin is ……..to the blade spar
a)
bonded
b)
welded
40.
Main rotor blade trim tabs are ……..to the blade trailing edge
a)
welded
b)
riveted
41.
Tail rotor has ………. Blades
a)
two
b)
three
42.
Tail rotor blades are made of ……….
a)
steel
b)
aluminium
43.
Tail rotor guard ……..protect the tail rotor in case of ground strike during flare
a)
will
b)
will not
44.
The maximum operational RRPM are ……..RPM
a)
358
b)
385
45.
The minimum operational RRPM are ………RPM
a)
334
b)
343
46.
Absolute minimum RRPM (transient only) are ……….RPM
a)
240
b)
300
47.
……..a warning for high RRPM
a)
There is
b)
there is not
48.
The low rotor speed warning comes on at ……….RPM
a)
334
b)
344
49.
The low rotor speed warning is ……….
a)
light and sound
b)
sound only
50.
It is ……….to recover RRPM below 240 RPM
a)
possible
b)
impossible
51.
The normal reaction to low rotor speed warning is to ……….collective
a)
increase
b)
lower
52.
Flight controls are hydraulically ……..
a)
boosted
b)
not-boosted
53.
The collective is ……..
a)
electrically trimmed
b)
mechanically assisted
54.
The cyclic controls ………equipped with electric trims
a)
are
b)
are not
55.
The tail rotor is controlled via ……..
a)
control cables
b)
control rods
56.
Primary pilot’s position is on the ……..
a)
right
b)
left
57.
Collective lever ……..equipped with friction lock
a)
is
b)
is not
58.
Collective friction is engaged when the friction lever points to the……...
a)
front
b)
cabin floor
59.
The swashplate is located ……..of the MGB
a)
below
b)
on top
60.
MR control rods are going ……..the rotor mast
a)
through
b)
around
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