60A/L Aircraft (Ch2) Flashcards
Describe the UH-60 (2.2)
A twin turbine engine, single rotor, semimonocoque fuselage helicopter.
Primary mission of the UH-60 (2.2)
Primary mission capability of the helicopter is tactical transport of troops, supplies and equipment.
Describe the main rotor system (2.2)
Four blades made of titanium/fiberglass.
Describe the drive train (2.2)
A main transmission, intermediate gear box, and tail rotor gear box with interconnecting shafts.
Describe the propulsion system (2.2)
Two T700-GE-700 engines operating in parallel.
Describe the primary armament (2.2)
Two 7.62 M240 machine guns
List the available kit accessories (2.2)
Range extension tanks, rescue hoist, medical evacuation, snow skis, and static/rappelling kit.
List the main differences between the 60A and the 60A+ (2.3)
Upgraded engines (701D/CC), upgraded inlet anti-icing valves, upgraded cross-bleed shutoff valves
List the main differences between the 60A and the 60L (2.4)
Upgraded engines (701C or 701D/CC), upgraded main transmission
What is the fuselage width? (Fig 2-2)
7’ 9”
What is the stabilator width? (Fig 2-2)
14’ 4”
What is the fuselage width with external fuel tanks installed? (Fig 2-2)
21’
What is the ground clearance of the external fuel tanks? (Fig 2-2)
3’ 9.5”
What is the diameter of the main rotor? (Fig 2.2)
53’ 8”
What is the diameter of the tail rotor? (Fig 2.2)
11’
What is the clearance of the tail rotor? (Fig 2.2)
6’ 6”
What is the clearance of the main rotor at the nose? (Fig 2.2)
7’ 7” when stationary
9’ 5” when moving
12’ 4” when level
What is the turning radius? (Fig 2.3)
41’ 8”
At what angle is the tail rotor canted? (Fig 2.2)
20 deg
All three landing gear struts on the Blackhawk have how many stages? (2.10.1)
Two stages
The main landing gear struts on the Blackhawk can withstand how much force for the first stage? (2.10.1)
10fps (4Gs)
The main landing gear struts on the Blackhawk can withstand how much force for the second stage? (2.10.1)
39fps (11.25Gs)
Troop seats are meant to accommodate soldiers of what weight? (2.14)
135-240 lbs
Fuel is supplied to the APU from which fuel tank? (2.70.4)
Left main tank
Each fuel tank holds how many gallons of fuel? (Tab 2-4)
180 gal
The low fuel indicator comes on when how much fuel is remaining in a tank? (Tab 2-3)
Approx 172 lbs (about 25 gal or 15%)
The service platforms for the engines can support how much weight? (2.86)
250 lbs
The main engine requires how much oil? (Tab 2-4)
7 qts
The APU requires how much oil? (Tab 2-4)
3 qts
The main transmission requires how much oil? (Tab 2-4)
7 gal
What is the settling time for Jet fuel? (Tab 2-4)
1 ft/hr
The main rotor should be tied down for winds greater than (2.98.2)
45 kts
TGT stands for (2.11.4)
Turbine Gas Temperature
Ng stands for (2.11.4)
Gas Generator Speed
% RPM stand for (2.33)
Power Turbine speed
% RPM R stands for (2.33)
Rotor speed
% TRQ stands for (2.33)
Engine torque
