Chapter 5 (Limits) Flashcards
Engine % RPM 1-2 (Np)
12 Second Transient - 105-107%
Transient - 101-105%
Continuous - 95-101%
Transient - 91-95%
Engine % Torque
Dual:
10 Second Transient - 100-125%
Continuous - 0-100%
Single:
10 Second Transient - 110-135%
Continuous - 0-110%
Avoid Operations in the ___-___ and ___-___ range. *Except during _______ and _______
20-40
60-90
Start Up and Shutdown
Main Rotor % RPM R (Power On)
Transient - 101-107%
Continuous - 95-101%
Transient - 91-95%
Main Rotor % RPM R (Power Off (Autorotation))
Maximum - 110%
Transient - 105-110%
Normal - 90-105%
TGT
12 Second Transient - 850-886 deg C
Start Abort Limit - 850 deg C
30 Minute Limit - 775-850 deg C
Normal - 0-775 deg C
Ng% (Gas Producer)
12 Sec Transient - 102-105%
30 Minute Limit - 99-102%
Continuous - 0-99%
Engine Oil Temperature
30 Minute Limit - 135-150 deg C
Continuous - -50-135 deg C
Engine Oil Pressure
Continuous 20-100 PSI
*35 PSI minimum @ 90% Ng and above
Transmission Oil Temperature
Precautionary - 105-140 deg C
Continuous - -50-105 deg C
Transmission Oil Pressure
Precautionary - 65-130 psi
Continuous - 30-65 psi
Idle & Transient - 20-30 psi
Engine Starter Limits @ or < 15 deg C
2 Consecutive Starts
3 min Rest Period
2 Consecutive Starts
30 min Rest Period
Engine Starter Limits >15 to 52 deg C
2 Consecutive Starts
30 Minutes Rest
Pneumatic Source Inlet Limits (Min & Max)
Minimum = 40 psig & 30 ppm at 149 deg C Maximum = 50 psig @ 249 deg C
Engine overspeed check in flight is_______
Prohibited!
Engine overspeed check on the ground is______.
Authorized by designated personnel only!
Cross Bleed start shall NOT be attempted unless_______ advisory doesn’t appear and the operating engine must be at____ speed or above and rotor speed at _______
1 or #2 ENG ANTI-ICE ON advisory
90% Ng
100% RPM R
Maximum capacity for each storage unit is?
125 lbs
Maximum cargo hook capacity on the UH60 A/L?
8,000 lbs
Max weight is further limited by cargo floor max capacity of?
300 lbs per square foot
Max weight for the UH60 with 7 lug wheels is?
<20,500
Maximum Airspeed for one engine inoperative is?
130 KIAS
Max Autorotation with gross weight @16,825 or less
150 KIAS
Max Autorotation with gross weights >16,825
130 KIAS
Sideward/Rearward flight into the wind, when combined with windspeed, shall not exceed____
45 KTS
One SAS Inoperative Airspeed
170 KIAS
Two SAS Inoperative Airspeed
150 KIAS
Two SAS Inoperative + IMC Airspeed
140 KIAS
One Hydraulic Inoperative Airspeed
170 KIAS
Two Hydraulic Inoperative Airspeed
150 KIAS
Two Hydraulic Inoperative + IMC Airspeed
140 KIAS
Maximum Airspeed for EXTENDING Landing Light?
130 KIAS
Maximum Airspeed for EXTENDED Landing Light
180 KIAS
Maximum Airspeed for EXTENDING Search Light
100 KIAS
Maximum Airspeed for EXTENDED Search Light
180 KIAS
With EIBF installed VNE is limited to _____
184 KIAS
With EIBF and ESSS/CEFS/ERFS installed VNE is limited to _____
162 KIAS
Cabin Doors may be fully open up to _______ with Soundproofing installed aft of Station 379
100 KIAS
Cabin Doors may be fully open up to _______ with Soundproofing removed aft of Station 379
145 KIAS
Gunners window(s) may be fully open up to ____
170 KIAS
Cockpit Doors sliding window will not be ____ or ____ during flight except during ____.
Open
Closed
Hover
Flight with Cockpit Doors Removed is _______
Prohibited
Stabilator Shall be full down at speeds below___
40 KIAS
Stabilator shall be set at Zero degrees for speeds above ____
40 KIAS
when Manual control of the stabilator is not available Autorotation airspeed shall be limited to _____ at all gross weights
120 KIAS
When manual control of the Stabilator is available, Autorotation airspeed will not exceed _____
120 KIAS
Hovering Turns greater than ____ deg per second are _____.
30 Degrees
Prohibited
intentional maneuvers beyond attitudes of ____ in pitch or over ____ in roll are Prohibited
+/- 30 Degrees
60 Degrees
simultaneously moving the ENG POWER CONT to _____ or ______ in flight is prohibited.
Idle or Off
what type of Ground taxi is Prohibited?
Rearward
Manual operation of the stabilator in flight is ____ except by _____
Prohibited
Maintenance Test Flights
Prolonged rearward flight and downwind hovering are to be avoided to prevent accumulation of ______ in the Helicopter and ____ to the windows on the _____________
Exhaust Fumes
Heat
Open Cargo Doors
NOTE: Maneuvers entered from a low power setting may result in _________ of ___% RPM R or higher.
Transient Droop
5%
To Prevent excess tail rotor system loading avoid_______.
Abrupt full pedal left inputs above 80 KIAS
To Prevent excess tail rotor system loading avoid_______.
Abrupt full pedal left inputs above 80 KIAS
Maneuvering limitations with a sling load are limited to a maximum of _____ angle of bank in forward flight.
30 deg
Side flight is limited by the ____ and is decreased as ___________
Bank angle
Airspeed Decreases
Rearward flight with a sling load is limited to ____ knots
35
Bank angle shall be limited to ____ when either PRI SERVO PRESS caution light appears
30 deg angle of bank
with a gross weight of less than 16,825, what are my land gear limits on Level Terrain and Slopes?
Level Terrain - 540 FPM
Slopes - 360 FPM
When gross weight is above 16,825 what are my landing gear limits on Level Terrain and Slopes?
Level Terrain - 300 FPM
Slopes - 180
Maximum Forward Touchdown speed is limited to _____ ground speed on Level terrain
60 Knots
Nose up, Right/Left wheel up, Slope Landing Limitations
15 deg, Reduced by 2 for each 5 KTS of wind
Nose Down Slope Landing Limitation.
6 deg
Landing in a Nose downslope condition with a tailwind greater than ____ KTS shall not be conducted.
15 KTS
The Main Gearbox may be operated up to ____ minutes at a time with pressure fluctuations when the helicopter is known to be at a ________
Nose-Up attitude
What is required to fly into Trace or Light icing conditions?
- ) Windshield Anti-ice
- ) Pitot heat
- ) Engine Anti-Ice
- ) Engine Inlet Anti-ice Modulating Valve
- ) Insulated ambient air sensing tube
Flight into Heavy or severe Icing conditions is ________
Prohibited
Flight into Moderate Icing Conditions?
- ) Windshield Anti-ice
- ) Pitot heat
- ) Engine Anti-Ice
- ) Engine Inlet Anti-ice Modulating Valve
- ) Insulated ambient air sensing tube
- ) Blade Deice Kit
The Windshield Anti-Ice check shall not be done when the FAT is over ______
27 deg C