All Maintenance Flashcards
1
Q
Personnel shall not perform maintenance or quality assurance inspections on gounding discreps or flight control work beyond___ MST hours without prior authorization from ____
A
12, EO
2
Q
Personnel are restricted from performing aircraft maintenance or any maintenance related activities for ___ hours after last alcohol use.
A
10
3
Q
Lathes, milling machines, and similar types of equipment that produce cuttins or flying particles should be set at __ degree angles to each other
A
15
4
Q
Metal hood type guards shall enclose __ of the abrasive wheel
A
2/3
5
Q
Tool rests shall be adjusted to provide a minimum of __ inches from abrasive wheel grinding surface
A
1/8
6
Q
Nickel-cadmium batter shops will be mechanically ventilated to provide ______ air changes per hour in order to ensure removal of any hydrogen gas generated as a result of charging
A
3 to 4
7
Q
If the electrolyte gets into the eyes, flush the eyes immediately with large quantities of water for at least __ minutes. Seek immediate medical attention.
A
15
8
Q
If the battery case begins to heat excessively, reaching __ degrees F, it may be necessary to add ___ to the affected cells or discontinue charging until the battery cools.
A
115, water
9
Q
The electrolyte level must not be adjusted until the battery has been charged and allowed to sit for __ hours, at which time the level will be checked.
A
2
10
Q
The workspace air temperature shall be maintained at ___ degrees
A
77.5 F (+/- 7.5)
11
Q
Oxygen cylinder storage shall be separate from fuel-gas cylinders or combustible materials (especially oil or grease) by at least a distance of __ feet, or have a noncombustible barrier at least __ feet high and have fire-resistance rating of at least __ hours.
A
20 feet, 5 feet, 1/2 hour
12
Q
Paint storage shall be isolated from the spray booths. Containers of not more than __ gallon capacity will be used for storing pants and dopes.
A
5 gallon
13
Q
All electric power tools, switches, junction boxes, and regulators will be positioned at least ___ above floor level in hangars which house fueled aircraft.
A
18 inches
14
Q
There are two kinds of solvent poisoning: ___,___
A
acute, chronic
15
Q
Single fiber particles with a diameter of __ to __ microns and length less than __ pose the greatest threat to the respiratory system.
A
3 to 4; 0.1mm
16
Q
Existing static grounds should be tested every __ months utilizing the proper equipment and procedures detailed in the AFI 32-1065.
A
24
17
Q
Flight line certified static grounds should be tested to the required standard of less than ___ ohms.
A
10,000
18
Q
Hangar deck certified power grounds should be tested to the current standard of less than __ ohms.
A
25
19
Q
The collet shall be kept within __ threads of all lower lift tubes cylinders when lowering to prevent aircraft damage should the jack collapse.
A
Two
20
Q
Where airframe specific limitations relating to wind velocity are not available, ___ knot wind velocity shall be considered the minimum.
A
15
21
Q
Do not deplete an oxygen bottle below __ psi.
A
50
22
Q
When an aircraft is being taxied within __ feet of obstructions, a minimum of __ wingwalker for each wing tip shall be provided.
A
25; One
23
Q
Hot refueling operations are not allowed within __ feet of any building, unless operating under a waiver from the Commandant.
A
100
24
Q
New construction is prohibited within __ feet of the hot refueling area.
A
200
25
Storing equipment, outside of existing structures, within __ feet of the hot refueling area is prohibited.
200
26
Aviation fuel bowsers procured or constructed after _____for aircraft ground support shall meet the standard specifications contained in Appendix A, of what?
1 January 1995; AFTO 42B-1-23
27
Each unit will conduct semiannual audits during the months of __ and __.
April, October
28
The April audit will be conducted by___.
QA
29
The October audit will be conducted by the __.
Shops
30
All changes, supplements, rapid access change (RAC), etc., to technical manuals will be incorporated into the applicable manual within ____.
Five working days
31
Changes in text are indicated by ____.
A heavy black line in the outer margin opposite the changed part of text.
32
Who briefs the crew before a test flight?
QA
33
Minimum size container for storing paints and dopes
5 gallons
34
What angle should shop machines be angled from each other
15 degrees
35
Tool rest clearance
1/8"
36
Metal hood type guards must cover how much of an abrasive wheel?
2/3
37
How close must eyewash showers be when machining, drilling, sanding composite parts?
within 100 feet
38
Combustible materials must be stored how far from stoves?
10 feet
39
Oxygen bottles must be marked as empty when depleted below ____
50 psi
40
Who authorizes QA on grounding discreps or flight control work after 12+ hours of work?
EO
41
A TO is revised when how much is changed?
50%
42
EAL date format
two numbers month, two numbers day, four numbers year (11021987)
43
MDL is printed how often?
Monthly
44
MDL printed how far out?
2 months
45
How to request depot level maintenance?
Contact ALC product line engineering cell and submit a "request for technical assistance" message to ALC product line
46
What form is used if you receive a part with damaged packing or shipping container?
SF-361
47
What form is used if item has been damaged from improper packing?
PQDR
48
Who take care of parts pool?
Rests with the unit that has the initial request (requesting unit)
49
Tri swap discrep report submitted how soon?
Within 30 days
50
Paper logs are kept for how long?
90 days
51
What color ink for functional checks?
red
52
First step after receiving a part
Add to discrepancy "parts received and awaiting installation"
53
How quickly must type 1 parts be shipped?
As soon as practical but not later than 15 days following receipt of shipping orders
54
TCTO change kits that take less than 4 hours are not issued within?
45 days of PDM induction
55
Manual for aircraft salvage
PG-85-00-110
56
Taxi distances
One wing walker for each wing tip within 25 feet of obstructions, never within 5 feet
57
When wil "SPAR" be used in TCTO change kits?
TCTO change kits for spare components will use the letters "SPAR" in lieu of aircraft/engine serial number
58
Fire resistance rating for noncombustible barrier for oxygen bottles
1/2 hour
59
How often do shop walk-thru's occur?
periodically
60
Check stand rail height
42"
61
How often does ALC issue the PDM schedule?
Each quarter with PDM proposed schedule for next 6 months
62
How far from a swaged end is the critical part of the cable?
1 foot
63
What are the two types of fuel nozzles?
simplex and duplex
64
Drill bit sizes must be increased in what increments?
.0313 (1/32)" or .0625 (1/16)"
65
What rivet is identified by two dots?
Monel
66
What is the bend allowance formula for finding the amount of material needed?
Multiply bend allowance per degree by number of degrees in bend
67
What are the two stresses when bending metal?
Tension and compression
68
Who shall brief the flight crew prior to a test flight?
QA
69
What is the support equipment lead time?
3 years
70
How can hydraulic fluid contamination be identified?
Dark fluid, not clear
71
How long can MSR's (Mandatory Special Requirements) be delayed?
MSR's shall not be extended
72
What is the corrosion manual?
PG-85-00-60
73
Dehumidification carts are how effective?
40%
74
Corrosion begins to accelerate at what humidity level?
60% relative humidity
75
At what temperature should uncured resins be stored?
At or below 0 degrees F
76
In a vapor cycle air conditioning system, what component acts as the reservoir?
receiver dryer
77
A carry forward is good for how long without EO approval?
30 days
78
How long must weight and balance forms be kept?
90 days
79
How long must flight reports be kept?
90 days
80
How long must you wait to paint after applying chemical conversion?
2 hours or 1 hour after force drying
81
Who authorizes QA on grounding discreps or flight control work after 12+ hours of labor?
EO
82
Storage container size limit for paints and dopes
5 gal
83
In a shop, what angle must machines and lathes be from each other?
15 degrees
84
How far must tool rests be from machine operation?
1/8"
85
Metal hood type guards must cover how much of abrasive wheel?
2/3
86
Within what distance shall eyewash stations be from machining, drilling, and composite sanding areas?
100 feet
87
Combustible materials must be stored at least how far from stoves?
10 feet
88
At what depletion level are oxygen bottles to be marked as EMPTY?
50 PSI
89
What are tiny droplets of water suspended in fuel?
entrained water
90
Mishap drills are performed how often?
Updated and drilled annually
91
a TO must be revised after how much change?
More than 50%
92
EAL date format?
2 numbers month, 2 numbers date, 4 numbers year. 04302024
93
How often is the MDL printed?
monthly
94
How far out must the MDL be printed?
2 months
95
What tab balances the aircraft statically in flight?
Trim tab
96
How do you request depot level repairs?
Contact ALC product line engineering cell phone and submit a "request for technical assistance" message
97
What form do you submit if you receive a part with damaged packaging or container?
SF-361; transportation discrepancy report
98
What form do you submit if a part is damaged from improper packing?
PQDR
99
Who takes care of parts pool?
Unit with initial request
100
How long can a 14 day be extended?
1 day
101
a Tri swap discrep report must be submitted within how many days?
30
102
Threaded depth in a bushing for a bolt or stud must be how deep?
at least equal to one diameter of the bolt or stud
103
Paper logs are retained for how long?
90 days
104
What color are functional checks to be logged in?
red
105
What must be logged in EAL once a part is received?
"Parts received and awaiting installation"
106
Who authorizes functional checks?
EO
107
How soon must type 1 parts be shipped?
As soon as practical but not later than 15 days following receipt of order
108
TCTO change kits requiring 4 hours must not be issued within how many days of PDM induction?
45
109
How many mg/liter of particulates are allowed in fuel?
1.0 mg/liter
110
How many ppm water particles are allowed in fuel?
10 ppm
111
Changes to aircraft that don't affect form or function can be completed by who?
Prime unit
112
How often must MRM be completed?
annually
113
What percentage of drill speed must be used when reaming titanium?
50% ; 1/2
114
When temperature drops what happens to aircraft and cables?
Aircraft shrinks and cable tension decreases
115
Types of engine seals
labyrinth, helical, carbon
116
How does lubricant affect an engine?
Reduces friction between moving parts
117
Reaming hole tolerance
+0.0025/-0.000 inch
118
What is the major alloying element found in 2024 aluminum ?
copper
119
What is a metals ability to be twisted and formed?
ductility or malleability
120
What month must QA conduct TO audits?
April
121
How often will TO library audits be done?
semi annually; QA April, Shops October
122
What month must a shop conduct TO audit?
October
123
Deicing boot are comes from where?
Bleed air
124
Wash rack temp
120-140 degrees F
125
Temp for heat lamp on resin injection delimitation repairs
150 degrees F
126
Formula for max corrosion depth
take several readings and use deepest
127
what is a groove or breakdown in metal surface from contact with a foreign material under heavy pressure?
gouge
128
Corrosion from 1-10 mils is considerer what?
moderate
129
Corrosion up to 1 mil is considered what?
light
130
corrosion greater than 10 mils is considered what?
severe
131
Smoking is not authorized within how many feet of buildings?
25
132
Law for liquid pressure
Pascal's Law
133
Edge distance requirement for rivets/fasteners
center of hole must be 3 times the diameter of the fastener away from edge
134
Identify the numbers in the bolt number "AN5-7"
5= 5/16" L
7=7/8"D
135
What is authorized to write with on an engine?
chalk
136
Taxiing is never authorized within how many feet?
5 feet
137
Fuel truck distance from helo
10 feet
138
Who is responsible for aircraft salvage?
CO of unit
139
Deadman switch fuel overrun
not to exceed 5%
140
Fire detector that senses flame radiation
optical
141
Manual for guidance on aircraft salvage
PG-85-00-110
142
Exposure time for OMSEP enrollment
Being exposed at or above the CG medical surveillance program or 50% of the OEL for over 30 days per calendar year(whichever is more stringent)
143
When is a respirator fit test required?
Time of initial issue, annually, and/or whenever there is a change such as significant weight loss or gain; or change in facial feature of the wearer; or a change in the type of respirators worn. Whichever is sooner.
144
What are the identifying characteristics of temperature damage on a turbine blade?
burning/discoloration
145
What does the #2 Zahn cup measure?
viscosity; could also be a #4 Ford cup
146
Paint spray overlap
Halfway across previous pass; 50%
147
Paint gun distance from painting surface
6-10 inches
148
Fueling is not permitted whiten how many miles of lightning?
5 miles
149
A PQDR will be submitted for flight critical parts within how long?
indefinitely
150
Required tensiometer accuracy
98%
151
Fire resistance rating for noncombustible barriers for oxygen bottles
30 minutes; half an hour
152
How often must safety walk throughs of shops occur?
periodically
153
What type of change affects life limit of aircraft equipment?
interval change
154
What type of change is required for grammatical, spelling errors, or illegible text?
non-procedural change
155
What type of fire detector reads rate of temperature rise?
Thermocouple
156
What manual provides information on time limits for corrosion discreps?
13020; limits the time of deferring a corrosion discrepancy to 30 days unless approved by EOBo
157
What is the max allowable angle from perpendicular for rivet installation?
+/- 3 degrees
158
The horizontal distance from reference datum to a point on the aircraft is called what?
Arm
159
A PQDR for a normal part will be submitted within what timeframe?
Any part within 1 year of install
160
Minimum check stand rail height
42 inches
161
Max allowable dent in aluminum tubing
20% or less
162
How long must unit corrosion program managers remain in position?
At least 2 years
163
What is the name of damage caused by 2 metals in relative motion with each other?
Galling
164
Who can authorize continued flight with nonstructural or cosmetic damage?
CO
165
How often does ALC release a PDM schedule?
Each quarter, and it will contain the PDM schedule for the next 6 months
166
Maximum attendance for an MRM training
30 people
167
The heat treatment of metal is called what?
Tempering
168
STAAR
spread out
transfer
avoid
accept
reduce
169
PEACE
planning
event
asset(crew)
asset(aircraft)
communication
environment
170
Best way to avoid fish eyes when painting
Clean surface
171
Hangar grounds shall be tested to how many OHMS?
25 OHMS
172
Grooves in flight line can cause what type of tire damage?
chevrons
173
Deck surface for fueling trucks should be what material?
concrete
174
Hot refueling should take place how far from buildings?
100 feet
175
Internal seals for moving parts in a hydraulic system are called what?
packing
176
What type of gloves should be used to handle cured composites?
leather
177
The cambered side of a propeller blade is called what?
blade back
178
If a leak is found on a rigid line, how many turns past torque may be applied?
1/16
179
Preferred extinguishing agent for a solvent fire?
CO2
180
What does proper blade track aid the helicopter with?
vibrations
181
Who in charge of the tool calibration program?
CO
182
What type of corrosion is caused by two vibrating surfaces?
Fretting
183
Under what section is GMT found in CGBI?
skills
184
TCAS is driven by?
IFF
185
What regulates pressure in a pressurized cabin?
Outflow valve
186
Holes at the end of flight control rods are used for what?
Alignment inspection
187
To properly handle bearings what gloves must be worn?
cotton
188
How many sides to the fire tetrahedron?
4
189
First step in IDP
create goals
190
How many people required for cold refuel?
2
191
When refueling, battery operated vehicles may not come within how many feet?
50 (look up again)
192
When installing a turnbuckle on flight controls, how many threads may be exposed?
Not more than 3
193
An auto defrosting windscreen sends its signal to the regulator through what?
thermistor
194
What instrument tests pressure in fuel cells?
Bourdon tube
195
Maximum amount of documents allowed with CG-22
6
196
Who ensures the Spill Prevention Control and Countermeasure (SPCC) plan is in place?
CO
197
Chip detector feature that eliminates small pieces of metal to prevent nuisance alarms
Fuzz burn
198
Who designates collateral QAs?
EO
199
Capacitance is measured in?
Farads
200
What is the prescribed angles of nozzle when rinsing the aircraft post wash?
15-30 degrees
201
What is used to label fluid lines directly in front of an engine intake?
Paint
202
Inflatable defrost bags will remain inflated for how long?
6-8 seconds
203
Air cycle systems in pressurized cabins should be able to maintain cabin pressure at or below what altitude?
10,000 ft
204
The signal to release the tail wheel
Hands over head with palms facing each other opening to a "V"
205
What is used to deice compressor wheels?
Glycol
206
Waivers for taxiing without signalman can be granted by who? As long as there are what?
CO; Clearly defined taxi lines
207
Flexible hydraulic lines will have supports every ___ inches
24
208
Authorized steel brush bristle size
.010
209
Resins should be kept at what temperature for best longevity?
40 degrees F
210
What is a standard day temp?
59 degrees F
211
The center cone on the front of a propeller is called what?
spinner
212
The force on an impeller is what?
Centrifugal
213
Ailerons stabilize the aircraft on what axis?
Longitudinal
214
Tire slippage mark dimesions
1" wide; 2" long
215
Allowable slippage limits for tire marks
1/4"
216
Who approves Joint deficiency reports?
EO
217
What type of extinguisher is required during fueling?
125-150lb PKP
218
What temperature does oxygen turn to liquid?
182 degrees C
219
Max flight time in a week
50 hours
220
Safety and environmental health manual
COMDINST M5100.47
221
Required crew rest for individual rotary wing/single pilot fixed wing flight hours 6.0-6.9
10 hours
222
Required crew rest for individual rotary wing/single pilot fixed wing flight hours 7.0-7.9
12 hours
223
Required crew rest for individual rotary wing/single pilot fixed wing flight hours 8.0+
15 hours
224
Required crew rest for individual fixed wing flight hours 8.0-9.9
10
225
Required crew rest for individual fixed wing flight hours 10.0-11.9
12 hours
226
Required crew rest for individual fixed wing flight hours 12+
15 hours
227
Off duty hours must allow a minimum of __ hours bed rest
8 hours
228
Seven day hour limit for flight time
50 hours
229
Thirty day hour limit for flight time
125 hours
230
365 day hour limit for flight time
1100 hours
231
Aviation personnel are restricted from flight for __ hours after last alcohol use with no residual effects
12 hours
232
coast guard aviation medicine manual
COMDINST M6410.3
233
Flight personnel shall not fly for __ hours after exposure to low pressure chamber flight in excess of 30,000 ft
12
234
Flight personnel may fly during the 12 hours after low pressure chamber exposure as passengers as long as the cabin altitude does not exceed how many feet?
10,000 ft
235
Flight personnel shall not fly in low pressure chamber flights how many hours after SCUBA?
24
236
Who is in charge of ALSE?
ALSE Prime/ALSE ALC
237
Aviation training jacket cover sheet
CG-3701
238
Swimmer endurance in high seas
30 minutes
239
What identifies a ground wire?
"N"
240
Minimum distance between stored oxygen and open flame
20 ft
241
What type of chemical poison occurs over time?
Chronic
242
PH level for aircraft wash
6.5-8.5
243
Tow bar load capacity
10 times the weight of the aircraft
244
Force applied to turbo prop shaft
Torsion
245
Where can printed EAL forms be found?
110
246
Who can authorize night test flights?
CO
247
What metal can be identified as ferrous?
Iron
248
Who can authorize non-standard survival gear?
CO
249
Approved size of container to store HAZMAT
55 gallons
250
A litter on board a cutter used for hoisting must have what stenciled on it?
Helicopter Hoistable
251
Flash point of JP-5
140 degrees F
252
The length of time a dye penetrate sits is called what?
dwell time
253
What type of corrosion creates a worm-like pattern under paint?
Filiform
254
How many types of landing gear configurations are used in the CG?
2; conventional, tricycle
255
Maximum sustained winds for refueling
50kts
256
Least effective curing method for composites
heat lamp
257
