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Which term is not a level of maintenance? Base.
What is considered the highest level of maintenance for more complex repairs? Depot.
What level of maintenance does the 2LM approach seek to modify or eliminate? Depot.
Which category of maintenance consists of those tasks that cannot be done on the end item but are within the capability of the skills and equipment possessed by a unit? Off-equipment, operating command.
Which category of maintenance pertains to correcting those discrepancies discovered during flight? Unscheduled.
Which method of inspection is used when maintenance or operational requirements are such that the inspection must be performed at the equipment location? In-place.
Which method is a “thorough and searching inspection of the entire aircraft?” Major.
How many calendar inspections are required for aircraft no matter what inspection concept the aircraft is under? Two.
Which inspection status is affected by the 30 or 90 day inspection? Homestation check.
What changes to baseline computer programs are normally announced by a TCTO? Software-only.
Which type of item is modified using the TCTO process? Special purpose vehicle.
What are the levels of maintenance authorized for the completion of TCTOs? Depot, intermediate, and organizational.
Exceeding what time factors normally causes a TCTO to be classified as depot-level maintenance? 8 clock- or 25 man-hours..
How many basic TCTO categories are authorized? 3.
What are the authorized types of TCTOs? Immediate, routine, and urgent.
In order to permit simultaneous release of two or more TCTOs requiring work in the same general area, procuring activities are authorized to withhold the release of non-safety routine action TCTOs for a maximum of 90 days.
What kind of TCTO is issued specifically for part or serial numbered items? Commodity.
Which logistics indicator shows a unit’s ability to keep equipment in a ready status? System reliability.
The data to calculate system capability rates is obtained from debriefing.
Who forwards an item to contract maintenance or AFMC depot if repair is not authorized at base level? Supply.
Which maintenance codes are used to compute the base level capability rate? Action taken.
What action taken codes are used to compute base repair capability rates? A, F, G, K, L, Z.
Personnel capability is measured in terms of military per operational unit.
Facility capability is computed to determine how many flying hours the inspection docks can support.
Weights are usually assigned when computing maintenance scheduling effectiveness rates to show the degree of importance of a task.
Where can you get the information for computing maintenance scheduling effectiveness rates? Monthly Maintenance Plan.
The mission capability status code that is the sum of NMCS and NMCB and reflects total NMC aircraft limitations due to supply is called TNMCS.
All raw data used to compute mission capabilities comes from the AVS report.
What are the two most common types of chargeable deviations? Maintenance and supply.
The total number of cancellations can be obtained from the AUR.
If the number of deviations increases, the flying scheduling effectiveness rate will go down.
Which one is not a factor for computing manhour per flying hour? Operating hours.
Which rate is used to measure speed of repair and of equipment maintainability? Fix rate.
What maintenance status code is entered in IMDS when an aircraft lands with a code 3 landing status? NMC.
What are the three time frames in hours used in the fix rate formula? 4, 8, or 12.
A more accurate description of a 20 percent break rate is 2 out of 10 sorties landed with a landing code 3.
When a sortie has to make an emergency landing due to an equipment failure, what type of abort is it? Air.
The total abort rate is a combination of air and ground abort.
Computation of the cannibalization rate includes number of sorties flown.
What action taken code means “removed for cannibalization”? T.
When determining aircraft utilization effectiveness, the minimum time period (in month/months) of data should be at least 6.
Which command uses the departure reliability rate? AMC.
What factor represents a historical percentage of scheduled sorties lost to unit controllable causes? Attrition.
If you have 100 sorties required to fly for the month and the attrition rate is 8 percent, how many total sorties will you show on the flying schedule? 109.
Spares are used to compensate for which unit controlled factors? Maintenance cancellations, supply cancellations, and ground aborts.
In determining the spare factor, what is compared to the number of historical sorties scheduled? Number of 1st sortie logistics losses.
When measuring MTTR, how is it expressed? Hours.
When measuring MTTR, how is it expressed? Crew size.
When computing for on- and off-equipment MTTR, the first position of the WUC is not equal to zero.
What are the two types of failure indicated by MTBF? Inherent and induced.
What is the maximum number of days allowed in the IMDS for MTBF calculation? 180.
Which mission performance indicator is used to measure the average time between failures of mission-essential systems? MTBCF.
The MTBCF gives us the average time between failure of mission essential systems.
When computing for the MTBMA, what maintenance events are included? Both scheduled and unscheduled.
Which one gives us the average time for end items and is an indication of component overall performance? MTBMA.
The two cornerstones of maintenance metrics are fleet availability and program execution.
Which statement is a lagging indicator under fleet availability? Mission capable rate.
What is the overall indicator for a flying program? UTE rate.
Which fix rate time interval is reported for all aircraft other than fighters? Twelve.
Which mission capable rate does maintenance want to keep low by consolidating feasible CANNs to a few aircraft when practical? TNMCS.
Concerning C-E equipment, training equipment is considered Inactive.
In order to compute for an equipment’s operational availability, you need its active and downtime hours.
What type of maintenance is excluded when calculating C-E operational dependability? Scheduled maintenance.
Which item is excluded when computing for an equipment’s operational readiness? Scheduled maintenance.
The C-E mean downtime is also expressed as the average time to complete restoration to mission capable status.
Which is not an issue that affects equipment downtime? IMDS downtime.
The measure of the average on-equipment corrective maintenance in an operational environment is the C-E mean repair time.
The C-E MRT starts when the technician arrives at the equipment.
The average operating time between any failure of the system is measured by the C-E mean time between failure.
What is excluded when computing for the C-E MTBF? Scheduled maintenance.
When computing for the C-E MTBCF, the operating hours come from the total system operating time.
Which C-E mission performance indicator is a valuable indicator of equipment or system maintainability and speed of repair? C-E MTBM.
C-E MTTRF measures the average elapsed time required to restore a system to full operational status after what type of event? Critical failure.
What computation is used as the principal indicator of reliability of C-E system, subsystem, or lower level replacement action? C-E MTBM.
In determining C-E MTBSM, scheduled maintenance includes scheduled maintenance inspections, scheduled time changes, delayed discrepancies, and non-immediate action TCTOs.
Which type of event is not included when computing the C-E MTBUM? Scheduled time changes.
C-E utilization rate is a ratio of active hours to possessed hours.
When investigating a problem, why should you continue on even if the problem seems to have disappeared? The disappearance may only be temporary.
Which statement is a benefit of follow-up when doing an analysis? Provides results that generate effective management practices.
Information associated with operations of the maintenance organization is classified as internal data.
How do you determine if you should retain an office copy of a report? Determine if a real need exists for the data.
Which statement best describes a pulse point in a unit? The debriefing section.
The validity of computer-generated data depends on quality of the raw data and the sample size.
What is the most common approach to arrange maintenance data? Chronological order.
The points in a control chart represent quality of performance.
Pie charts are effective when they represent what percentage of the item under consideration? 100.
Who normally performs the investigative work and recommends corrective action when a submitted maintenance analysis referral indicates that a problem does exist? Quality assurance.
The senior maintenance officer reviews the Maintenance Analysis Referral if there is a deadlock over the proper corrective action.
Which statement best describes a special study? An investigation and in-depth analysis of any subject.
What kind of approach initiates a special study during an equipment analysis? Proactive.
When you are establishing the scope of your special study, you are defining your assumptions and limitations.
Which medium is a formal way of presenting a special study? Written report.
The IMDS Users’ Group meets monthly to keep current with IMDS issues.
What personnel are usually required to attend IMDS meetings? Subsystem managers.
The primary objective when you prepare your meeting facility is to support your agenda.
When you are preparing a list of topics to be discussed at a meeting, you are preparing the agenda.
People who missed the meeting can find out a summary of the meeting itself by obtaining copy of the minutes.
What computation rate will a maintenance scheduler use to project additional sorties in the flying schedule to meet sortie requirements? Attrition.
Created by: transicgirl
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