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Aircraft mechanics > 1.3 > Flashcards

1.3 Flashcards

1
Q

The SSRP manual covers what subjects

A

lethal warnings
safety precautions
servicing notes
replenishment procedures

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2
Q

Aircraft danger zones-fixed

NZAP reference for aircraft danger zones

A

wake- thrust produced by the propeller can have high wind speeds

windmilling- turbo-prop propellers are capable of rotating on their own if there is sufficient wind blowing

strobe/night effects- rotating props may appear stationary under certain lights

stationary blade danger- walking into a stationary prop may cause injury

blade markings-light ac:black and white
large ac- white/red/white painted prop tips

NZAP62XX.XXX-5-1.2: aircraft type, SS+RPs

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3
Q

major safety precaution associated with propeller driven aircraft

A

the major safety precaution associated with propeller driven aircraft is to never walk through the propeller arc, especially important whenever ground power is connected to the aircraft

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4
Q

aircraft danger zones-helicopter

NZAP reference for aircraft danger zones

A

main rotor

  • as the speed of rotation diminishes, the blade can sag/sail to body height
  • if the helicopter is on sloping ground the height above ground on the uphill side will be reduced

tail rotor
-can swing suddenly especially during take off

downwash
-creates a turbulent column of high velocity air

NZAP62XX.XXX-5-1.2: aircraft type, SS+RPs

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5
Q

safety precautions to be observed when working around helicopters with engines running

A

approach and leave the aircraft only with the prior permission of the person occupying the pilots seat

approach and leave the aircraft from the desired or acceptable zones as shown in the aircraft safety and servicing notes

never walk under the rotor disc on start up or shut down due to the possibility of blade sail

avoid the tail rotor and exhaust areas when aircraft running

beware of reduced rotor to ground clearances when operating on uneven surfaces

beware of the effects of downwash

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6
Q

what is a common danger area to all gas turbine engines and when is it most hazardous?

A

turbine disintegration area/turbine failure area
-exists perpendicular to the engine axis

propeller
-indicated along the fuselage

the most hazardous time is during startup. keep clear during startup

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7
Q

danger/s associated with the engine intake

A

may suck things in

  • fod
  • people
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8
Q

danger/s associated with the engine exhaust

A

high temperature

high velocity gas stream

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9
Q

at what level can personnel incur hearing damage if you are regularly exposed to?

what is the nzap reference

A

if you are regularly exposed to more than half an hour per day to a noise level that interferes with shouted conversation could incur hearing damage

NZAP6000-1 Chapter 10 section 1

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10
Q

high noise level can also damage what?

A

internal organs

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11
Q

when must the aircraft anti collision beacon be switched on as a warning device?

NZAP reference

A

Aircrew in control
-when aircraft if prepared for starting

ground running
-immediately before and during ground running of engines

ground pressurisation testing
-immediately before and during GPT

radiation hazard
-immediately before and during any period when a radiation hazard exists in the vicinity of AC

NZAP6000-1 chapter 10.12

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12
Q

what is the NZAP reference for HERO?

A

NZAP 6880.002-1, NZAP 6000-1 chapter 1

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13
Q

who needs to be aware of HERO

A

everyone

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14
Q

when a RF hazard is present or suspected, what needs to happen?

A

the NCO I/C armament is to halt work until

  • the RF hazard has been removed
  • the RF hazard has been suppressed by placing a one metre square HERO sign in a prominent position in front of AC
  • enforce the following restrictions during the physical loading/unloading of EEDs:

1- no radio transmission from vehicles withing 10 metres of the aircraft
2- no aircraft radio transmissions within 20 metres of the aircraft
3- no transmissions from the susceptible aircraft
4-no transmissions from flightline radios within 5 metres of the aircraft
5-no transmissions from visiting/civilian aircraft. contact with the control tower may be necessary to ensure supression
6- no portable telephone transmissions within 5 metres of the aircraft

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15
Q

with regards to HERF, when cant aircraft transmitting equipment be used?

reference

A

AC transmitting equipment is not to be operated during fuelling and defuelling operations

NZAP 6004-001-1 leaftlet D7, NZAP 6005.053-1

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16
Q

what are the safety distances for the operations for transmitters

reference

A

fuelling and defuelling operations are to be carried out so that the fuelling zones are at least 10 metres from any operating VHF or UHF radio,
30 metres from any operating HF radio and
30m from any radiating RADAR

approved flightline management radios of less than 5 watt output may be used up to the fuel zone boundaries

NZAP 60005.053-1

17
Q

with regards to HERP, what hazard/s exist because of the possibility of radio energy emission during ac radio transmitting equipment operation

reference

A

causing burns/ shock to personnel making contact with the aircraft aerial

charging metal items in close proximity to the aircraft aerials, or by sparking from one charged area to another causing ignition of volatile liquids, fire or explosion

NZAP 6004.001-1 leaflet D4, NZAP 6880.001-1 chapter 2

18
Q

symptoms of HERP effects

A

pathological damage to certain organs

eyes
testes

19
Q

herp effects can be reduced by

A

limiting the time spent in RF fields
limiting the intensity of the RF field where pers work
adhering to safety standards and safe work practices

20
Q

RADHAZ safety precautions

A

anti-collision lights to be turned on to indicate the hazard

no replenishment during radio or RADAR transmission testing

suitable warning notices

safety person to keep pers away from radiating area

21
Q

types of EOE

A

canopy jettison

ejectors racks

emergency exit

emergency exit slides

pyrotechnics

countermeasure

ordnance

explosive floats

winch/ cable cutters

automatics fire extinguishing system

22
Q

safety devices for EOE

A

guarded arming switches

ground safety lockout pins

23
Q

danger areas for EOE

reference

A

forward
aft
radial

NZAP 62XX.XXX-5-1.2: AC type

24
Q

safety precautions for EOE

reference

A

only pers required for the task concerned are to be around the ac and the immediate vicinity

no replenishment during loading/unloading

suitable warning notices/signs

eoe to have safety pins fitted at all times and removed just prior to flight

NZAP60003-1 leaflet a7

25
Q

AC types of high pressure systems

A

gas

fluid-1500-3000psi

26
Q

dangers associated with hydraulic systems

A

leaks- cut fingers

moving parts

27
Q

ac safety devices

A

physical

isolation

control

28
Q

ac safety control measures

A

stateboard

placards

29
Q

When is a placard fitted

A

No electric power to be applied

No hydraulic power to be applied

Flight controls are not to be operated

Engine controls are bit to be operated

Ac is on jacks

30
Q

Dangers with regards to props especially during startup

A

Turbine desintergratikn zone indicated by a warning stripe on the fuselage

31
Q

Eeds can be generated to operate by what means

A

Application of electrical energy by radio frequency fields

Radar transmissions

Avionics systems

32
Q

Ppe references are found where

A

Msds chemwatch

Ac mm

Aeronautical equipment mm

Rnzaf maintenance policy

33
Q

Personal safety requirements in regards to skin care

A

Wear right gloves for task

Always use protective gloves when contacting solvents oils

Don’t wash or reuse disposable gloves

Don’t share gloves with co workers

34
Q

Types of hand cleaners

A

Soap

Alcohol or alcohol free based hand rubs

Soap substitutes

35
Q

When getting a safety man what do you need

A

To ask a specific person and receiveanandwer prior to commencing the task

36
Q

Work safety requirements in regards to electrical protection and isolation

Ventilation

A

Ensurethecorrect electrical precautions have been followed.

-ensure adequate ventilation when working with haz materials and/in confined spaces

37
Q

Work safety requirements in regards to lighting and noise

A 
Adequate lighting. Be aware of stroboscopic effect. 
Wear ear peotectjonaplroriate for the level of noise. See noiseclass levels

Aircraft mechanics (14 decks)

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