5&9s Flashcards by Mitchell Samson

Anytime an operational limit is exceeded an appropriate entry shall be made on DA Form ________. 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. The helicopter shall not be ____ until corrective action is taken.

2408-13-1

Exceeded, range, time beyond limits

flown

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The minimum crew required to fly the aircraft is ____ pilots

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Engine instrument crew alerting system (EICAS) and PFD power pod color codes:

Red and yellow, striped tapes and red read outs indicate ______

yellow tapes and read out indicate ____

green tapes and read out indicate ______

The limit above or below which continued operation is likely to cause damage or shorten component life
The range when special attention should be given to the parameters the instrument represents.
Normal operating range of the parameters the instrument represents.

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Rotor start and stop limits

Max wind velocity for rotor start or stop is ____ kts from any direction

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Rotor brake/gust lock limitations

Operating an engine against the Gust lock is _____

Prohibited

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Rotor brake shall not be applied with engines operating and rotor turning except during an emergency stop. Maximum rotor speed for emergency rotor brake applications is ______ NR

76%

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Routine stops will be with engines off, NR below ______ and with _______ PSI applied to the rotor and not less than ______ seconds.

40%

150-180

12 sec

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Minimum rotor brake pressure for engines start is _______ PSI. Maximum rotor brake pressure for engines start is _______ PSI

450 psi

690 psi

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Use of the rotor brake with engines operating is restricted to single and dual engine starts and operations at ______ only. Single and dual engine starts and operation at _____ with rotor brake on are not time limited.

Idle

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Gust lock limitations without rotor brake

Dual engine operation with Gust lock engaged is ___

Prohibited

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Single engine operation with the gust lock engaged will be performed by authorized pilots at ____ only

Idle

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Gust lock shall not be _____with engine running

Disengaged

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Main transmission module limitations

Oil pressure should remain steady and should be in the ___ to ___ PSI range to ensure that when fluctuations occur, they remain in the acceptable range as defined above. 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 an entry on the appropriate maintenance form. Sudden pressure drop more (than ___psi) without fluctuation requires an entry on the appropriate maintenance form.

45 to 60 psi

45 psi

10 psi

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Power turbine speed NP and rotor speed NR

NP1/NP2:
12-Second transient ___
Transient ___
Continuous ____
Transient ___

105-107%
101-105%
95-101%
91-95%

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Avoid operations in the ___ and ____ range except during start and shutdown.

20 to 40%

60 to 90%

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NR power on:
Transient ___
Continuous ____
Transient _____

101 to 107%
95 to 101%
91 to 95%

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NR Power off (autorotation)
Maximum _____
Transient _____
Normal______

110%
105 to 110%
90 to 105%

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Gas generator speed (NG)
12 second transient _____
Continuous______

105-106%
0 to 105%

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Torque (Q)
___ -Second transient:
Dual engine above 80 knots ______
Dual engine 80 knots or below _______
Single engine ________

10 sec

100 -144%

120 to 144%

135 to 144%

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Torque (Q)
Continuous:
Dual engine above 80 knots ______
Dual engine 80 knots or below _______
Single engine ________

0 to 100%
0 to 120%
0 to 135%

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Turbine gas temperature TGT
12 second transient _________
2.5 minute transient (contingency power) _________
Start abort limit _________
10 minute limit _________
30 minute limit _________
Continuous _________

12 second transient ____ 903 to 949 °C
2.5 minute transient (contingency power) ____ 879 to 903°
Start abort limit ___ 846 to 879°
10 minute limit ____ 851°
30 minute limit ____ 793 to 846°
Continuous _____ 0 to 793°

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Engine temperature:
30 minute limit ___
Continuous ____

Engine temperature:
30 minute limit ___ 135 to 150°
Continuous ____ -20 to 135°

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Engine pressure:
5 minute limit ____
Continuous _____
Idle_____

Engine pressure:
5 minute limit ____ 100 to 120 psi
Continuous _____ 26 to 100 PSI
Idle_____ 22 to 26 PSI

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Transmission temperature
Precautionary _____
Continuous _____

Precautionary _____ 105 to 140°
Continuous _____ -20 to 105°

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Transmission pressure Precautionary ___ Continuous ____ Idle and transient_____

Precautionary ___ 65 to 130 PSI Continuous ____ 30 to 65 PSI Idle and transient_____ 20 to 30 PSI

Ng time limits 1. Green 2. Yellow 3. Red striped

Continuous 12 seconds Exceed limit

Transmission oil temp time limits 1. Green 2. Yellow 3. Red striped

Continuous Precautionary Exceed limit

Engine oil pressure time limits 1. Yellow low 2. Green 3. Yellow high 4. Red striped

Idol Continuous 5 minutes Exceed limit

TGT Time Limits 1. Partial yellow 2. Full yellow 1 dot 3. Full yellow 2 dots 4. Red striped

30 minute limit 10 minute limit 2.5 minute transient 12 second transient

Engine starter limits: At ambient temperatures of 15 degree c 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.

2 3 minute 2 30 minute

At ambient temperatures above 15 degree c up to ____ degree c, _____ consecutive start cycles may be made. A ____ minute rest period Is then required before any additional start cycles.

52° c 2 30

Engine start limits: Cross bleed starts 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

Engine 1 anti-ice Engine 2 anti-ice 90% 100%

Cabin ceiling tie down fittings: The four cabin ceiling tie down fittings have a limited load capacity of ____ lbs. The 17 tie down fittings installed on the 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.

4000 5000 3500

Cargo hook weight limitation The maximum weight that may be suspended from the cargo hook is ____ pounds

9000

Airspeed operating limits Landing light. If use is required, the landing light must be extended prior to reaching a maximum forward air speed of ____ kias with landing light extended AirSpeed is limited to ____ kias

130 KIAS 180 KIAS

Maximum Airspeed for: Landing Light Extending _____ Landing Light Extended _____ Searchlight Extending ______ Searchlight Extended ______

130 KIAS 180 KIAS 100 KIAS 180 KIAS

Land as soon as possible

Landing at the nearest suitable landing area (e.g. open field) without delay. The primary consideration is the survival of the occupants

Land as soon as practical

Landing at a suitable landing area. The primary consideration is the urgency of the emergency.

Auto rotate

Adjusting the flight controls as necessary to establish an auto rotational descent and landing

Emergency engine shutdown

Engine shutdown without delay. Engine shutdown in flight is usually not an immediate action item unless a fire exists

The term Lockout Is defined as ____

Manual control of engine RPM while bypassing DEC/EDECU functions

LOCKOUT EP: 1. _____

1. ENG POWER CONT lever - pull down and advance full forward while maintaining downward pressure, then adjust to set NR as required

Single engine failure Immediate actions: 1.___ 2.___

1. Achieve safe single engine emergency AirSpeed (if possible) 2. External cargo/stores - jettison (if required)

Fires: APU/electrical/engine Engine fire in flight Immediate actions (if ENG EMER OFF handle/APU fire T-handle illuminates in flight): 1. ___ 2. ___ 3. ___ 4. ___ If an electrical fire is present: 1. ___ Urgency to land 1. ____

1. Establish airspeed 80 KIAS or below 2. Engine power cont lever - OFF 3. ENG EMER OFF handle /APU fire T-handle - PULL (AS APPROPRIATE) 4. Fire extinguisher switch - main/reserve (as required) If an electrical fire is present: 1. Battery and generator switches – off Urgency to land 1. Land as soon as possible

DEC/EDECU low side failure If an engine control unit fails to the low side and the other engine is unable to provide sufficient torque NR will decrease. Immediate actions: If NR continues to decrease and single engine flight is not possible: 1._____ Urgency to land 1._____

1. Engine power cont lever (low Q/TGT engine) – LOCKOUT (maintain Q approximately 10% below other engine) Urgency to land 1. Land as soon as practicable

Lightning strike Immediate actions 1._____ Urgency to land 1.____

1. Eng power control levers - adjust (as required to control NP/NR) Urgency to land 1. Land as soon as possible

Loss of tail rotor control Immediate actions If during Cruise flight a right yaw becomes uncontrollable: 1.___ 2.____ If at low airspeed or hover a right yaw becomes uncontrollable: 3.___ 4.____ If an uncontrolled left yaw develops during low airspeed or hover: 5.___ 6.____ 7.____ 8.____

1. Auto rotate - maintain airspeed at or above 80kias 2. Engine power control levers – off (during deceleration when intended point of landing is assured) 3. Collective- reduce 4. Engine power control levers – off (5 to 10 ft above touchdown) 5. Engine power control levers - retard 6. Collective – increase ( NR Will decrease) 7. Engine power control levers – off (5 to 10 ft above touchdown) 8. Collective - adjust for landing

Stabilator uncommanded nose down pitch attitude change Immediate actions 1.____

1. Cyclic mounted stabilator slew-up switch – adjust (as required to arrest nose pitch-down rate)

Loading limits: Max Weight Limitations: UH-60M _____ UH-60M external lift mission _____ ESSS/ERFS helicopter on ferry mission (AWR Req'd) ______

22000 23500 24500

External lift missions above _____ pounds can only be flown with cargo hook loads above 8,000 lb and up to 9,000 lb

22000

Maximum weight is further limited by cargo floor max capacity of ___ lbs per sq ft

300

Max AirSpeed for one engine in inoperative

130 KIAS

Stowage provisions: Maximum capacity for each storage compartment is ___ lbs

125

Max autorotational airspeed gross weight at 16825 lbs or less

150 KIAS

Max autorotational airspeed gross weight more than 16825 lbs

130 KIAS

Sideward/Rearward flight limits. Hovering in winds greater than ___ knots. (___ Knots with ESSS) from the sides or rear is prohibited. Sideward/Rearward flight into the wind when combined with _____ shall not exceed 45 knots (___ knots with ESSS).

45 35 Windspeed 35

Sas inoperative airspeed limits: One SAS inoperative _____ Two SAS inoperative _____ Two SAS inoperative in IMC _____

170 150 140

Hydraulic system inoperative limits One hydraulic system inoperative __ KIAS Two hydraulic system inoperative __ KIAS Two hydraulic system inoperative in IMC __ KIAS

170 KIAS 150 KIAS 140 KIAS

Cabin doors may be fully open up to ____ KIAS

145 KIAS

Flight with cockpit doors removed is ____

Prohibited

Air speed limitations following failure of the automatic stabulator control system: 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

120 KIAS

Manual control is available: Stabilator shall be set down at speeds below ____ KIAS The stabilator shall be set at 0° at speeds above ____ KIAS Auto rotation air speed shall be limited to ____ KIAS at all gross weights

40 40 120

Maneuvering Limits Prohibited Maneuvers Hovering turns greater than ____ degrees per second are prohibited. Intentional maneuvers beyond attitudes of _____ degrees in pitch or over _____ degrees in roll are prohibited.

30 30 60

Simultaneous moving of _____ to ____ or _____ (throttle chop) in flight is prohibited

Both PCLs Idle Off

_____ ground taxi is prohibited

Rearward

Restricted Maneuvers: Manual operation of the stabulator in-flight is ____ except as required by formal training and maintenance test, flight requirements or as alternate stabulator control in case of AUTO mode. Malfunctions

Prohibited

Prolonged rearward flight and downwind hovering are to be avoided to prevent accumulation of ____ fumes in the helicopter and heat damage to Windows on ____.

Exhaust Open cargo doors

Maneuvering limitations Note: maneuvers entered from a low power setting may result in ______ of ____ % NR or greater

Transient droop 5%

High-Speed Yaw limitations. Above ____ KIAS avoid ____ to prevent excess tail rotor system loading

80 KIAS abrupt full pedal inputs

Bank angle shall be limited To ____ degrees when either PRI SERVO PRESS caution light appears

30 deg

High acceleration takeoff hover and dive limitations WARNING: It has been demonstrated that if approaching ____ degrees nose down attitude, during any high acceleration takeoff, or when performing an aggressive diving maneuver from a high hover, normal operation of stabulator position can lag flight control computer (FCC) desired position and the FCC will command auto mode failure

30 deg

Landing gear limitations: Do not exceed a touchdown sync rate (feet per minute) of: Up to 16825 lbs level terrain ___ Up to 16825 lbs Slopes _____ Above 16825 lbs level terrain ___ Above 16825 lbs Slopes _____

540 fpm 360 fpm 300 fpm 180 fpm

Landing speed limitations: maximum forward touchdown speed is limited to____ knots ground speed on level terrain

60 kts

Slope landing limitations ___ degrees nose up right wheel up or left wheel upslope, reduced by ___ degrees for each ___ knots of wind. ___ degrees nose downslope. Landing in nose downslope conditions with tailwinds greater than ___ knots shall not be conducted. The main gearbox may be operated up to ___ minutes at a time with pressure fluctuations when the helicopter is known to be at a ___.

15 deg 2 deg 5 kts 6 deg 15 kts 30 min Nose up attitude

Environmental restrictions Flight into icing conditions: Helicopters with the following equipment installed, operational and turned on are permitted to fly into ___ or ___ icing conditions. 1. ___ 2. ___ 3. ___ 4. ___ 5. ___

Trace or light 1. windshield anti-ice 2. engine anti-ice 3. engine inlet anti-ice modulating valve 4. pitot heat 5. insulated ambient air sensing tube

Flight into moderate icing conditions all equipment above and ___ must be installed operational and turned on

Blade deice

Flight into heavy or severe icing is ____

Prohibited

Engine and engine inlet anti-ice limitations At engine power levels of ___ Q per engine and below, full anti-ice capability cannot be provided, due to engine bleed limitations

10 Q

Backup hydraulic pump. Hot weather limitations: During prolonged ground operation of the backup pump with the rotor system ____, the backup pump is limited to the following temperature time cool down limits because of hydraulic fluid overheating FAT deg C ___-___ ___-___ ___-___ Operating Time (min) ____ ____ ____ Cool down time (pump off) (minutes) ____ ____ ____

Static FAT deg C -54 - 32 33 - 38 39 - 52 Operating Time (min) Unlimited 24 minutes 16 minutes Cool down time (pump off) (minutes) N/A 72 minutes 48 minutes

Apu operating limitations To prevent APU overheating at ambient temperature of___degrees C and above with the engine and rotor operating is limited to ___ minutes. With the engine and rotor not operating the Apu can be operated ___ up to a temperature of ___ degrees c. If APU HOT OIL caution appears a ___ minute cooling is required before checking oil level.

>= 43 deg C 30 min Continuous 51 deg C 30 min

Turbulence and thunderstorm operation Intentional flight into ___ turbulence is prohibited Intentional flight into thunderstorms is ___ Intentional flight into turbulence with a sling load attached and an inoperative ___ is prohibited

Severe Prohibited Collective trim

Dual engine failure Immediate actions 1. ___

1. Autorotate

T/R SERVO 1 FAIL with no BACK UP PUMP ON advisory or T/R SERVO 2 ON advisory does not appear Immediate actions 1. ___

T/R servo switch – backup

HYD PUMP 1 FAIL WITHOUT BACK-UP PUMP ON ADVISORY Immediate actions: 1.____

1. Backup hydraulic pump switch – ON

FLIGHT CONTROL/ROTOR SYSTEM VIBRATIONS OR MALFUNCTIONS (FLIGHT) Urgency to land: 1. ____ AFTER LANDING: 1. ____ 2. ____ 3. ____

Urgency to land: 1. Land as soon as possible AFTER LANDING: 1. ENGINE POWER CONTROL LEVERS – OFF 2. ENGINE FUEL SYSTEM SELECTORS - OFF 3. FUEL BOOST PUMP SWITCHES - OFF

FLIGHT CONTROL/ROTOR SYSTEM VIBRATIONS OR MALFUNCTIONS (GROUND) Immediate actions: 1. ____ 2. ____ 3. ____

1. ENGINE POWER CONTROL LEVERS – OFF 2. ENGINE FUEL SYSTEM SELECTORS - OFF 3. FUEL BOOST PUMP SWITCHES - OFF

STABILATOR MALFUNCTION – AUTO MODE FAILURE Immediate actions: 1.____

1. Cyclic mounted stabilator slew-up switch – adjust

COUPLED FLIGHT DIRECTOR MALFUNCTION Any uncommanded changes in pitch roll and yaw other than those observed in normal flight conditions while coupled to the flight director Immediate actions 1. ____ If coupled FD does not disengage 2.____ If coupled FD does not disengage 3.____ After FD is uncoupled 4.____

Immediate actions 1. Remote standby switch - press to disengage FD modes If coupled FD does not disengage: 2. Coupled switch- press to uncouple FD If coupled FD does not disengage: 3. FPS and trim switches – off After FD is uncoupled: 4. FPS and trim switches - on

Hydraulic pump 1 fail and hydraulic pump 2 fail

Land as soon as possible (restrict control movements to moderate rate)

NR Power On Time Limits 1. Yellow Low - _____ 2. Green - _____ 3. Yellow High - _____ 4. Red - _____

1. Yellow Low - Transient 2. Green - Continuous 3. Yellow High - Transient 4. Red - Exceeding Limit

NR Power Off Time Limits 2. Green - ____ 4. Red - _____

2. Green - Normal 4. Red - Exceeding Limit

NP1/NP2 Time Limits 1. Yellow Low - _____ 2. Green - _____ 3. Yellow High - 104 - _____ 4. Yellow High - 106 - _____

1. Yellow Low - Transient 2. Green - Continuous 3. Yellow High - 104 - Transient 4. Yellow High - 106 - 12 Seconds

Engine Oil Temperature Time Limits 1. Green - ___ 2. Yellow - ___ 3. Red - ___

1. Green - Continuous 2. Yellow - 30 min 3. Red - Exceeding Limit

Transmission Oil Pressure Time Limits 1. Yellow Low - ___ 2. Green - ___ 3. Yellow High - ___ 4. Red - ___

1. Yellow Low - Idle/Transient 2. Green - Continuous 3. Yellow High - Precautionary 4. Red - Exceeding Limit

Fuel Levels 1. Green - ___ 2. Yellow - ___

1. Green - Normal 2. Yellow - Precautionary