EP & Limits practice Flashcards
Any time an operational limit is exceeded, an appropri-ate entry shall be made on DA FORM ___________.
2408-13-1
Entry shall state what limit or limits were _______, ___________, ______________, and any additional data that would aid maintenance personnel in the maintenance action that may be required.
exceeded, range, time beyond limits
The helicopter shall not be _______ until corrective action is taken.
flown
The minimum crew required to fly the helicopter is _____ pilots.
two
Additional crewmembers, as required, will be added _______________________.
at the discretion of the commander, in accordance with pertinent Department of the Army regulations.
Red and yellow striped tapes and red readouts indicate the limit _______________.
above or below which continued operation is likely to cause damage or shorten component life.
Yellow tapes and readouts indicate ______________.
the range when special attention should be given to the parameter the instrument represents.
Green tapes and readouts indicate the ___________________.
normal operating range of the parameter the instrument represents.
Operating an engine against the gust lock is __________________.
prohibited.
Rotor brake shall not be applied with engine(s) operating and rotor turning except during an ________________. Maximum rotor speed for emergency rotor brake applications is ____% NR.
emergency stop
76
Routine stops will be with engine(s) off, NR below ______% and with _____-____ psi applied to stop the rotor in not less than ___ seconds.
40
150-180
12
Minimum rotor brake pressure for engine start is ____ psi. Maximum rotor brake pressure for engine start is ____ psi.
450
690
Use of the rotor brake with engine(s)operating is restricted to ________ and _______engine starts and operations at ________ only.
single
dual
IDLE
Single and dual engine starts and operation at _______ with rotor brake on are not time limited.
IDLE
If oil pressure is not steady during steady state forward flight or in a level hover, or if oil pressure is steady but under ____ psi, make ane ntry on the appropriate maintenance form. Sudden pressure drop (more than ___ psi) without fluctuation requires an entry on the appropriate maintenance form.
45
10
Torque
(10 second transient)
Dual-Engine
Above 80 KIAS __________%
80 KIAS or below _________%
Single-Engine ____________%
100 - 144
120 - 144
135 - 144
Torque
(Continuous)
Dual-Engine
Above 80 KIAS __________%
80 KIAS or below _________%
Single-Engine ____________%
0 - 100
0 - 120
0 - 135
NG limits
12 second transient __________
Continuous _____________
105 - 106%
0 - 105%
TGT limits
12 second transient \_\_\_\_\_\_\_\_\_ 2.5 minute transient (contingency power) \_\_\_\_\_\_\_\_\_\_\_ Start Abort Limit \_\_\_\_\_\_\_\_\_\_\_ 10 minute Limit \_\_\_\_\_\_\_\_\_\_\_\_ 30 minute Limit \_\_\_\_\_\_\_\_\_\_\_\_ Normal \_\_\_\_\_\_\_\_\_\_
903 - 949 879 - 903 851 846 - 879 793 - 846 0 - 793
NP1 / NP2
12 second transient ___________%
Transient ____________%
Continuous ___________%
Transient _____________%
105 - 107
101 - 105
95 - 101
91 - 95
NR
Power on
Transient __________%
Continuous ___________%
Transient __________%
101 - 107
95 - 101
91 - 95
NR Power off (autorotation)
Maximum ____________%
Transient ____________%
Normal ____________%
110
105 - 110
90 - 105
Engine oil pressure
Idle ___________ psi
Normal ________ psi
5 min. limit _______ psi
22 - 26
26 - 100
100 - 120
Engine oil temperature
Continuous ________
30 min. limit _________
-20 - 135
135 - 150
Transmission oil temperature
Continuous ____________
Precautionary __________
-20 - 105
105 - 140
Transmission oil pressure
Idle and transient _________ psi
Continuous __________ psi
Precautionary __________ psi
20 - 30
30 - 65
65 - 130
At ambient temperatures of ___°C (59°F) and below, ____ consecutive start cycles may be made, followed by a ___ minute rest period, followed by ___ additional consecutive start cycles. A ___ minute rest period is then required before any additional starts.
15
two
3
two
30
At ambient temperatures above ___° up to ___°C (59° up to 126°F), ___ consecutive start cycles may be made. A ____ minute rest period is then required before any additional start cycles.
15
52
two
30
Crossbleed starts shall not be attempted unless the _______________ or _______________ advisory does not appear, and operating engine must be at ____% NG or above and rotor speed at ____% NR.
ENG 1 ANTI-ICE ON
ENG 2 ANTI-ICE ON
90
100
Engine overspeed check in flight is ___________. Engine overspeed checks, on the ground, are authorized by ______________________________ only.
prohibited
designated maintenance personnel
Maximum capacity for each storage compartment is ____ pounds.
125
Max cargo hook capacity
9,000
Maximum weight is further limited by cargo floor maximum capacity of ____ pounds per square foot.
300
External lift missions above ________ pounds can only be flown with cargo hook loads above _______ pounds and up to ________ pounds.
22,000
8,000
9,000
UH-60M external lift mission max ________ lbs
23,500
The four cabin ceiling tiedown fittings have a limited load capability of ________ pounds. The 17 tiedown fittings installed on the cargo floor can restrain a ________ pound load in any direction. The eight net restraint rings in the cargo compartment are rated at ________ pound capacity in any direction.
4,000
5,000
3,500
Maximum airspeed with external cargo hook loads up to 8,000 pounds is _____ KIAS
140
Maximum airspeed for one engine inoperative is ____ KIAS.
130
Maximum airspeed for autorotation at a gross weight of 16,825 pounds or less is ___ KIAS.
150
Maximum airspeed for autorotation at a gross weight of 16,825 pounds or more is ___ KIAS.
130
Sideward/Rearward flight into the wind, when combined with wind speed, shall not exceed ___ knots ( ___ knots with ESSS).
45
35
SAS inoperative airspeed limits:
a. One SAS inoperative - ___ KIAS.
b. Two SAS inoperative - ___ KIAS.
c. Two SAS inoperative in IMC - ___ KIAS.
170
150
140
Hydraulic system inoperative limits:
a. One hydraulic system inoperative - ___ KIAS.
b. Two hydraulic systems inoperative - ___ KIAS.
c. Two hydraulic systems inoperative in IMC - ____ KIAS.
170
150
140
Maximum airspeed for:
Landing Light
Extending _____ KIAS
Extended _____ KIAS
130
180
Maximum airspeed for:
Searchlight
Extending _____ KIAS
Extended _____ KIAS
100
180
Cabin door(s) maybe fully open up to ___ KIAS.
Gunner window(s) maybe fully open up to ___ KIAS.
Flight with cockpit door(s) removed is __________.
145
170
prohibited
Manual control is available:
(1) The stabilator shall be set full down at speeds below ___ KIAS.
(2) The stabilator shall be set at 0° at speeds above ___ KIAS.
(3) Autorotation airspeed shall be limited to ___ KIAS at all gross weights.
40
40
120