Ch 5 Flashcards
MAIN TRANSMISSION MODULE LIMITATIONS
If oil pressure is not steady during steady state forward flight or in level flight, or if oil pressure is steady but under ___ psi, make an entry on DA Form 2408-13-1. Sudden pressure drops (more than ___ psi) without fluctuations require an entry on DA Form 2408-13-1.
45
10
ROTOR START AND STOP LIMITS
Maximum wind velocity for rotor start and stop is ____ KTS from any direction.
45
TGT C 12 Sec Transient \_\_\_\_\_\_\_\_\_\_\_\_ 2.5 min Transient \_\_\_\_\_\_\_\_\_\_\_ Start abort limit \_\_\_\_\_\_\_\_\_\_\_\_\_ 10 min limit \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 30 min limit \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Normal \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
903 - 949 degrees C 879 - 903 851 846 - 879 793 - 846 0 - 793
MAIN ROTOR % RPM R - Power On
Transient _____________
Continuous __________
Transient _____________
Power On
101 - 107%
95 - 101%
91 - 95%
MAIN ROTOR % RPM R - Power Off (Autorotation)
Maximum __________
Transient ___________
Normal _____________
110%
105 - 110%
90 - 105%
ENGINE % RPM 1 - 2 (NP)
12 Sec Transient ___________
Transient ___________________
Continuous ________________
Transient ___________________
Avoid operations in the _____-_____ and ______-_____ range except during start and shutdown.
105 - 107%
101 - 105 %
95 - 101%
91 - 95%
20 - 40% and 60 - 90%
Gas Generator Speed (NG)
12 Sec Transient ______
Continuous ___________
105 - 106%
0 - 105 %
ENGINE OIL TEMPERATURE (degrees C)
30 Min Limit __________
Continuous ___________
135 - 150 degrees C
-20 - 135 degrees C
ENGINE OIL PRESSURE
5 min limit ____________________
Normal Operations ___________
Idle ___________________________
100 - 120 PSI
26 - 100 PSI
22 - 26 PSI
TRANSMISSION OIL TEMPERATURE
Precautionary ________
Continuous __________
105 - 140 degrees C
-20 - 105 degrees C
TRANSMISSION OIL PRESSURE
Precautionary _______________
Continuous __________________
Idle and Transient ___________
65 - 130 PSI
30 - 65 PSI
20 - 30 PSI
ENGINE STARTER LIMITS
At ambient temperatures of _____ degrees C and below, _______ consecutive start cycles may be made followed by a ______ minute rest period, followed by ______ additional start cycles.
A ______ minute rest period is then required.
At ambient temperatures above _____ degrees C up to _____ degrees C, _____ consecutive start cycles may be made. A _____ minute rest period is then required before any additional start cycles.
15 degrees C, 2 consecutive cycles, 3 min rest period, 2 additional start cycles, 30 min rest period required.
Above 15 degrees C up to 52 degrees C, 2 consecutive cycles, 30 min rest period.
PNEUMATIC SOURCE INLET LIMITS
The minimum air source required to start the helicopter is _____ psig and _____ ppm at _____ degrees C. The maximum is _____ psig at _____ degrees C.
40 psig
30 ppm
149 degrees C
50 psig
249 degrees C
ENGINE OVERSPEED CHECK LIMITATIONS
Engine overspeed check in flight is _____. Engine overspeed checks, on the ground, are authorized by _____ only.
Prohibited
Designated maintenance personnel
ENGINE START LIMITS
Cross bleed start shall not be attempted unless the _____ or _____ advisory does not appear, and the operating engine must be at _____ % NG or above and rotor speed at _____ % NR.
ENG 1 ANTI-ICE ON or ENG 2 ANTI-ICE ON
90 % NG
100% NR
LOADING LIMITS
External lift missions above 22,000 pounds can only be flown with cargo hook loads above ____ pounds and up to _____ pounds.
Max weight is further limited by cargo floor maximum capacity of _____ pounds per square foot.
Maximum capacity for each storage compartment is _____ pounds.
Maximum weight that may be suspended from the cargo hook is _____ pounds.
8,000 and up to 9,000
125 pounds
300 pounds
9,000 pounds
AIRSPEED LIMITS
Max airspeed for one engine inoperative _____ KIAS.
Max autorotational airspeed gross weight at 16,825 pounds of less _____ KIAS.
Max autorotational airspeed gross weight more than 16,825 pounds _____ KIAS.
Sideward/rearward flight: hovering in winds greater than _____ knots from the sides or rear is prohibited.
Sideward/rearward flight into the wind, when combined with wind speed, shall not exceed _____ knots
130 KIAS
150 KIAS
130 KIAS
S/R: 45
45
SAS Inoperative Limits KIAS
One SAS _____________
Two SAS _____________
Two SAS & IMC ______
One: 170 KIAS
Two: 150 KIAS
2 IMC: 140 KIAS
Hydraulic System Inoperative Limits KIAS
One Hydraulic System __________
Two Hydraulic System __________
Two Hydraulic System & IMC ___________
One: 170 KIAS
Two: 150 KIAS
Two in IMC: 140 KIAS
Maximum Airspeed for Lights:
Landing Light, Extending KIAS: _____
Landing Light, Extended KIAS: _____
Searchlight, Extending KIAS: _____
Searchlight, Extended KIAS: _____
Landing:
130
180
Search:
100
180
Flight with Cabin Door(s)/Window(s) Open:
Cabin doors may be fully open up to \_\_\_\_ KIAS. The doors will \_\_\_\_\_ be intentionally moved from the fully open or closed position in flight. Gunner window(s) may be fully open up to \_\_\_\_\_ KIAS Flight with cockpit door(s) removed is \_\_\_\_\_. Flight with cabin door(s) open is not authorized with \_\_\_\_\_ installed.
145 Not 170 Prohibited Volcano
AIRSPEED LIMITS FOLLOWING FAILURE OF THE AUTOMATIC STABILATOR CONTROL SYSTEM
Manual control is available:
Stabilator shall be full down at speeds below _____ KIAS.
Stabilator shall be set to zero degrees for speeds above _____ KIAS.
Autorotation airspeed shall be limited to _____ KIAS at all gross weights.
NOTE: Vne becomes variable to indicate the airspeed limit applicable for the current stabilator position, except in no case shall the autorotation limit exceed _____ KIAS.
40
40
120
Note: 120 KIAS
Maneuvering Limits Prohibited Maneuvers
A. Hovering turns greater than _____ degrees per second are prohibited. Intentional maneuvers beyond attitudes of _____ degrees in pitch or over _____ degrees in roll are prohibited.
B. Simultaneous moving of _____ to _____ or _____ in flight is prohibited.
C. _____ ground taxi prohibited.
A. 30, +/- 30, 60
B. Both ENG POWER CONT levers to IDLE or OFF (throttle chop)
C. Rearward
RESTRICTED MANEUVERS
Manual operation of the stabilator in flight is _____ except as required by formal training and _____ requirements or as alternate stabilator control in case of AUTO mode malfunctions.
Prolonged rearward flight and downwind hovering are to be avoided to prevent accumulation of _____ in the helicopter and _____ to windows on _____.
Prohibited, maintenance test flight
Exhaust fumes, heat damage, open cargo doors