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72 Cards in this Set
- Front
- Back
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Using loose pyrotechnics, smoking, or striking matches while
working on the aircraft, or using any flame-producing device within ______ of the helicopter, may result in injury or death and is strictly prohibited. |
50 ft.
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Who can service the aircraft?
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All PQMs and aircrewmen qualified in model are authorized to
perform servicing and handling of the aircraft when qualified maintenance personnel are not available. |
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A minimum of ________ should be maintained from other aircraft or structures and ________ should be maintained from any operating radar set.
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50 ft
75 ft |
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What type of lights shall be used for night refueling.
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Explosive-safe flashlights shall be used in place
of helicopter searchlight/landing light for night fueling operations. |
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Flameouts may be encountered following nosedown ground
operations in excess of ______ when using ____, ____, or equivalent fuels and could result in loss of aircraft and personnel. |
10 minutes
JP-5, JP-8 |
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When MIL-DTL-5624(JP-5) fuels are not available and Jet fuels conforming to the ASTM D-1655(JET A, JET A-1) specification are used, establish IGE hover for ___ seconds prior to takeoff to prevent _______ _______ during subsequent launch.
If___________ caution light illuminates during the hover, do not depart until ___________ caution light self clears. |
10
engine flameout FUEL PRESS/FUEL PRESS |
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Flameouts may be encountered on the ground and in flight at
certain fuel temperatures when restricted fuels _____ or _____ are used and could result in loss of aircraft and personnel. |
JP-4 or JET B
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If JP-4/JET B is used, the following operational restrictions/considerations apply:
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1. All takeoffs shall stabilize in a hover with no fuel pressure cautions for a minimum of 10 seconds before commencing transition to forward flight.
2. Single-engine training is prohibited. 3. Operating characteristics may change. Lower operating temperatures, slower acceleration, and shorter range may be experienced. 4. Due to the vapor qualities of mixed JP-4/JET B, the next two refuelings with a primary fuel shall be treated as if JP-4/JET B is in the tanks. |
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Without a complete suction defueling after using JP-4/JET B, a cumulative total of at least ___ refuelings of JP-5, JP-8, or equivalent must be added to the main tank, either by auxiliary tank transfer (if installed) or by direct main tank refuel, before fuel composition is assumed to be rid of JP-4/JET B.
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2
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Define Primary Fuel
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Primary Fuel. A fuel that the aircraft is authorized to use for continuous unrestricted operations.
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Define Restricted Fuel.
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Restricted Fuel. A fuel that imposes operational restrictions on the aircraft.
These fuels may be used only if no primary military or commercial fuels are available. |
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Define Emergency Fuel
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Emergency Fuel. A fuel that may be used for a minimum time when a primary fuel is not available and an urgent need exists (such as hurricane evacuation or urgent military necessity).
Pilot approval shall be obtained before servicing and the aircraft shall be conspicuously placarded with the emergency fuel grade when serviced. |
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Is PRIST authorized?
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When PRIST is premixed with the fuel, it provides an anti-icing
protection equivalent to that provided by military Jet fuel and is authorized for use. PRIST in aerosol cans is not authorized for use since it does not mix well with fuel, has a tendency to settle to the bottom of fuel tanks, and may damage fuel system seals and fuel tank materials. |
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What are the Primary Fuels for the MH-60-R?
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JP-5
JP-8 JET A-1 JET A GOST 10227 |
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What are the Restricted Fuels for the MH-60R?
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JP-4
JET B |
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What is the Emergency Fuel for the MH-60R?
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JP-8 + 100
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How much does JP-5 weigh?
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6.8 lbs
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How much does JP-8 weigh?
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6.7 lbs
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How many usable gallons?
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590
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What is the NATO code for JP-5?
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F-44
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What is the NATO code for JP-8 + 100?
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F-37
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What is the NATO code for JP-8?
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F-34
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What is the NATO code for JET A-1?
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F-35
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What is the NATO code for JP-4/JET B?
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F-40
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When fueling with JP-5, how many useable pounds will the main tanks hold?
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4012
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When fueling with JP-8, how many usable pounds will the main tanks hold?
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3953
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Methods to keep bulk fuel temp above 0ºC.
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1. If the aircraft has been in heated hangar areas, the aircraft should be launched within 1 hour after being moved to the flight deck or towed to a turnup area.
2. If the aircraft is outside for more than 1 hour, bulk fuel temperature should be checked by draining aircraft fuel into a bottle that has been outside approximately 15 minutes, inserting a thermometer, and reading the temperature. 3. If fuel is 0 °C or below, aircraft should be hangared until bulk fuel temperature rises above 0 °C or partially defueled and refueled with warm fuel so that bulk fuel temperature rises above 0 °C |
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Is electrical power required for refueling?
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Electrical power is not required for pressure fueling the main fuel tanks.
Electrical power is required for pressure fueling the auxiliary tanks to ensure proper pre-check functionality through observation of the cockpit fuel display. |
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To prevent possible fuel cell rupture, fueling pressure from the fuel servicing unit shall not exceed _____.
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55 psi
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Internal fuel cell pressure greater than ______ can cause rapid fuel cell expansion, resulting in aircraft damage and fuel spill.
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2 psi
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If the helicopter must be fueled when the quality of the fuel is in question, it should be refueled through the ______ ______.
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HIFR fitting
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The HIFR filter is capable of removing both _____ and ________ from fuel.
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water
particulate matter |
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Is gravity refueling authorized with engines or APU on?
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Gravity fueling is not authorized with engines or APU operating.
In addition to the hazard caused by the location of the tank openings relative to the engine exhaust, the rotors constantly build up a static electrical charge of 15,000 to 20,000 volts, creating an extremely dangerous spark potential. |
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RAST Operations with an Aux tank require 3 things.
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1. The main and tail landing gear tires and oleo struts have been serviced before flight.
2. The static vertical clearance between the deck and the lowest point on the auxiliary fuel tank shell (not including the fin) shall not be less than 12.0 inches. 3. Aircraft gross weight during RAST operations shall not exceed the gross weight of the helicopter at the time of the static vertical clearance measurement. |
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Engine Oil Capacity
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7.3 quarts
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APU oil capacity
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2.0 quarts
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Main Transmission oil capacity
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7.5 gallons
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Intermediate Gearbox oil capacity
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2.75 pints
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Tail Gearbox oil capacity
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2.75 pints
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Hydraulic Reservoirs capacity
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1.0 quart
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Utility Hydraulic capacity
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.92 quart
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Rescue Hoist oil capacity
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1.16 quarts
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Engine Starter oil capacity
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200cc
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Type of oil used for the:
Engine APU Rescue hoist Engine starter |
MIL-PRF-23699
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Type of oil used for the:
Main transmission Intermediate gearbox Tail gearbox |
MIL-PRF-85734
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Type of Hyd fluid is used for the:
Hydraulic reservoirs Utility hydraulic pump |
MIL-PRF-83282
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When is servicing required for the engine oil system?
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Servicing is required when the oil level in the sight glass is less than halfway between the ADD and FULL marks.
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Where should engine oil be serviced to?
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Service to approximately 1 inch below the full mark or adjacent to the top set of bolts on the sight gauge.
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When the engine oil level reaches the ADD mark, how much oil is required?
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Approximately 2 quarts of oil is required.
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After the engine is shutdown, how long must you wait to check the engine oil level?
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Wait at least 20 minutes after engine shutdown before checking the engine oil level.
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What are the proper oil fill levels for the 2 types of APUs?
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The proper level for the Turbomach/Sundstrand APU is halfway between full and refill.
The Garrett APU has the proper oil level indicated on the dipstick |
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With a TurboMach APU filling the oil to the full line will cause _____________.
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the APU to overheat.
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When the transmission oil level decreases to the ADD mark on the dipstick, how much oil will be needed to return the level to FULL.
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approximately 2 quarts
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When should the transmission oil level be checked?
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Accurate readings are not possible until 30 minutes after shutdown.
The hot scale is used 30 minutes to 2 hours after shutdown. The cold scale is used 2 hours or longer after shutdown. |
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Can the tail or intermediate gearboxes be serviced while folded?
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Do not service intermediate or tail gearboxes while tail pylon is folded; sight gauges are not accurate.
Improperly serviced gearboxes may result in gearbox failure. |
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For Hydraulic Reservoirs, when the indicator reaches the REFILL (red) point, ____________ is required to return the indicator to the FULL (green) mark.
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two-thirds of a pint
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With Hydraulic Reservoirs, can the indicator be in the Blue?
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Piston movement of up to 3/8 inch into the blue (over overserviced) zone is acceptable.
When piston is beyond this limit, bleed off enough fluid to bring piston back to 3/8 inch above full limit. |
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When the hydraulic fluid level decreases to the refill line(in the hydraulic service reservoir), service is necessary to avoid allowing air into the _______________.
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rotor brake hydraulic system
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Sonobuoy System should be serviced to ________ psi.
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1,175 ± 25 psi
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How many people are required for a towing a helo?
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6
1 Director 1 Tracter operator 1 Brakerider 3 Wing walkers - 1 on each side of the acft (total of 2) - 1 near the tail |
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At what weather condition should the helo be moved into the hangar?
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Heavy weather e.g., wind more than 60kts
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3 Types of Aircraft Tiedowns
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Initial
Permanent Heavy Weather |
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Describe Initial Tiedown
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Consists of four tiedowns, two on each main mount.
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When are Initial Tiedowns used?
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1. Just prior to and after shipboard aircraft movement
2. During shipboard aircraft startup 3. Immediately after landing aboard ship |
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Describe Permanent Tiedown
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Consists of 12 tiedowns (two on each attachment point)
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When are Permanent Tiedowns used?
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1. Aboard ship when not at flight quarters
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Describe Heavy Weather Tiedown.
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Consists of 18 tiedowns (three on each attachment point)
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When are Heavy Weather Tiedowns required?
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Weather conditions in which surface winds reach an average velocity of 35 knots or greater and/or sea state of 8 feet, or wind over deck exceeds 60 knots, pitch exceeds 4°, or roll exceeds 12°.
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Why can't fuels other than JP-5 be defueled into shipboard JP-5 storage tanks?
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Because the flashpoint of those fuels is less than 140ºF.
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When fueling with JP-5 is not possible, helicopters shall not be hangared until the flashpoint of the fuel in the helicopter fuel tanks is above ______.
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120ºF
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For planning purposes, a fuel mixture of ____JP-5 (F-44) and ____JP-8 (F-34) or JET A-1 (F-35) will ensure the minimum flashpoint of the fuel mixture is above 120ºF.
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70%
30% |
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When installing blade clamps, place them approximately ____ ____ of the blade tip.
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2.5 ft inboard
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