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MIL-STD-1390 Revision D:1993

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

LEVEL OF REPAIR ANALYSIS (LORA)
Available format(s)

PDF

Superseded date

02-14-1997

Paragraph
1 Scope
1.1 Purpose
1.2 Applicability
1.2.1 Application of standard
1.2.2 Application of guidance
1.2.3 Content of appendices
1.2.4 Tailoring of task descriptions
1.2.5 Tailoring of suggetions
1.3 Method of reference
1.4 Scope of performance
2 Applicable documents
2.1 Government documents
2.1.1 Standards
2.1.2 Other government documents, drawings, and
       publications
2.2 Non-government publications
2.3 Order of precedence
3 Definitions
3.1 Terms
3.2 Acronyms
4 General requirements
4.1 General
4.2 Purpose
4.3 LORA program
4.4 LORA program interfaces
4.4.2 Fielded system
4.5 LORA program coordination
4.6 LORA process
4.6.1 Developmental phases
4.6.2 Operational phases
4.7 LORA input data
5 Detailed requirements
5.1 Task sections
5.2 Task structure
5.3 Task selection
Task section 100 - program planning and control
Task 101 - program strategy and plan
101.1 Purpose
101.2 Task description
101.2.1 LORA strategy
101.2.2 Schedule
101.2.3 Manpower estimate
101.2.4 LORA candidate list
101.2.5 LORA program plan
101.2.6 LORA program plan updates
101.3 Task input
101.4 Task output
101.5 Details to be specified
Task 102 - program reviews
102.1 Purpose
102.2 Task description
102.2.1 Review procedures
102.2.2 LORA review team
102.2.3 LORA guidance conference
102.2.4 LORA reviews
102.2.5 Review agendas
102.2.6 Review minutes
102.3 Task input
102.4 Task output
102.5 Details to be specified
Task section 200 - data preparation and management
Task 201 - input data compilation
201.1 Purpose
201.2 Task description
201.2.1 LORA input data for economic evaluations
201.2.2 LORA input data for noneconomic evaluations
201.2.3 LORA input data report
201.3 Task input
201.4 Task output
201.5 Details to be specified
Task section 300 - evaluations
Task 301 - evaluation performance, assessment, and
           documentation
301.1 Purpose
301.2 Task description
301.2.1 LORA noneconomic evaluation
301.2.2 LORA economic evaluation
301.2.3 LORA sensitivity evaluation
301.2.4 Documentation of results
301.2.5 Updates
301.3 Task input
301.4 Task output
301.5 Details to be specified
Task section 400 - use and implementation
Task 401 - using results
401.1 Purpose
401.2 Task description
401.2.1 Recommendations/actions
401.2.2 Incorporating results in LSA products
401.2.3 Related analyses
401.2.4 Use of governmental recommendations
401.2.5 Updates
401.3 Task input
401.4 Task output
401.5 Details to be specified
6 Notes
6.1 Intended use
6.2 Issue of DODISS
6.3 Data requirements
6.4 Tailoring guidance for contractual application
6.5 Security classification
6.6 Subject term (key word) listing
6.7 Changes from previous issue
Figure
1 The life cycle of LORA
D-1 Maintenance alternatives
D-2 Rotatable pool and attrition quantity computations
D-3 Criteria for full or back-up resources at PIMA
     sites
D-4 Criteria for full of back-up resources at depot
     sites
E-1 Maintenance alternatives
E-2 Rotatable pool and attrition quantity computations
E-3 Criteria for full or back-up resources at depot
     sites
H-1 Repairable item maintenance sequence
N-1 Typical equation cost curve
O-1 Sample network
Table
A-I Level of repair analysis task applicability and
       documentation
D-I Integerization rules for computing rotatable pool
       quantities
D-II Integerization rules for computing attrition
       quantities
E-I Integerization rules for computing rotatable pool
       quantities
E-II Integerization rules for computing attrition
       quantities
F-I Level of repair model data elements
G-I Data element
H-I LOR maintenance alternatives
H-II Data element
I-I Data element
J-I Data element
K-I Data element
L-I Exhaustive enumeration example
M-I
M-II
M-III Sensitivity analysis - total IRLA costs
N-I
N-II
N-III
N-IV
O-I Data element
Q-I Noneconomic analysis
Appendix
A Application guidance for implementation of level of
   repair analysis program requirements
B Glossary
C Acronyms
D Navair method 1. Avionics, model III
E Navair method 2. Support equipment, model II
F LOR analytical techniques for space and naval warfare
   systems command (SPAWAR) equipments
G Naval sea systems command (NAVSEA) level of repair
   analysis method
H Level of repair analytical techniques for marine
   corps equipment
I Army method 1
J Army method 2
K Army method 3
L Network repair level analysis
M Item repair level analysis
N Screening
O Federal aviation administration method
P LORA input data element definitions
Q Noneconomic analysis

Outlines different repair alternatives to find the most economical life cycle support cost for Naval material. Coverage includes applicable documents, LORA program, LORA program coordination, manpower estimate, LORA candidate list, LORA guidance conference, LORA noneconomic evaluation, LORA sensitivity evaluation, use of government recommendations, and LORA input data report. Also gives definitions, tables and diagrams.

Committee
AREA ALSS
DocumentType
Standard
Pages
344
PublisherName
US Military Specs/Standards/Handbooks
Status
Superseded
SupersededBy

MIL L 24554 : 0 LAMPS MK III INTERFACE SIGNAL SWITCHING SET
MIL-HDBK-2084 Base Document:1995 GENERAL REQUIREMENTS FOR MAINTAINABILITY OF AVIONIC AND ELECTRONIC SYSTEMS AND EQUIPMENT
MIL-A-85055 Base Document:1979 AVIONICS SYSTEM PERFORMANCE SPECIFICATION FOR A-4M/AV-8 BOMBING SET, ANGLE RATE AN/ASB-19(V)
MIL-HDBK-276-2 Base Document:1984 LIFE CYCLE COST MODEL FOR DEFENSE MATERIAL SYSTEMS OPERATING INSTRUCTIONS'
MIL STD 2080 : 0 MAINTENANCE ENGINEERING, PLANNING AND ANALYSIS FOR AERONAUTICAL SYSTEMS, SUBSYSTEMS, EQUIPMENT AND SUPPORT EQUIPMENT
SAE AS1390A:2023 Level of Repair Analysis (LORA)
MIL-STD-2097 Revision A:1989 ACQUISITION OF SUPPORT EQUIPMENT AND ASSOCIATED INTEGRATED LOGISTICS SUPPORT
MIL-HDBK-2097 Revision A:1997 ACQUISITION OF SUPPORT EQUIPMENT AND ASSOCIATED INTEGRATED LOGISTICS SUPPORT
MIL-STD-1388-2 Revision B:1991 DOD REQUIREMENTS FOR A LOGISTIC SUPPORT ANALYSIS RECORD
MIL-C-85248 Revision A:1984 CAMERA, STILL PICTURE, PANORAMIC, KA-99A
MIL-HDBK-276-1 Base Document:1984 LIFE CYCLE COST MODEL FOR DEFENSE MATERIAL SYSTEMS DATA COLLECTION WORKBOOK
MIL-P-85573 Base Document:1983 POWER UNIT AIRCRAFT AUXILIARY, GAS TURBINE, GENERAL SPECIFICATION FOR
MIL STD 2084 : 0 GENERAL REQUIREMENTS FOR MAINTAINABILITY OF AVIONIC AND ELECTRONIC SYSTEMS AND EQUIPMENT
MIL-STD-2173 Base Document:1986 RELIABILITY-CENTERED MAINTENANCE REQUIREMENTS FOR NAVAL AIRCRAFT, WEAPONS SYSTEMS AND SUPPORT EQUIPMENT
MIL-HDBK-259 Base Document:1983 LIFE CYCLE COST IN NAVY ACQUISITIONS

MIL-STD-280 Revision A:1969 DEFINITIONS OF ITEM LEVELS, ITEM EXCHANGEABILITY, MODELS, AND RELATED TERMS
MIL-STD-1521 Revision B:1985 TECHNICAL REVIEWS AND AUDITS FOR SYSTEMS, EQUIPMENTS, AND COMPUTER SOFTWARE
MIL STD 470 : B MAINTAINABILITY PROGRAM REQUIREMENTS (FOR SYSTEMS AND EQUIPMENTS)
MIL-STD-1367 Revision A:1989 PACKAGING, HANDLING, STORAGE, AND TRANSPORTABILITY PROGRAM REQUIREMENTS (FOR SYSTEMS AND EQUIPMENTS)
MIL-STD-1388-2 Revision B:1991 DOD REQUIREMENTS FOR A LOGISTIC SUPPORT ANALYSIS RECORD
MIL-STD-1388-1 Revision A:1983 LOGISTIC SUPPORT ANALYSIS
MIL-STD-1561 Revision B:1984 PROVISIONING PROCEDURES, UNIFORM DOD
MIL-STD-1629 Revision A:1980 PROCEDURES FOR PERFORMING A FAILURE MODE, EFFECTS AND CRITICALITY ANALYSIS
MIL-STD-721 Revision C:1981 DEFINITIONS OF EFFECTIVENESS TERMS FOR RELIABILITY MAINTAINABILITY, HUMAN FACTORS, AND SAFETY
MIL-STD-785 Revision B:1980 RELIABILITY PROGRAM FOR SYSTEMS AND EQUIPMENT DEVELOPMENT AND PRODUCTION

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