NASA Procedures and Guidelines
This Document is Obsolete and Is No Longer Used. Check the NODIS Library to access the current version: http://nodis3.gsfc.nasa.gov
NPR 2200.2D Eff. Date: September 07, 2016 Cancellation Date:	Requirements for Documentation, Approval and Dissemination of Scientific and Technical Information
| TOC | Preface | Chapter1 | Chapter2 | Chapter3 | Chapter4 | Chapter5 | Chapter6 | Chapter7 | AppendixA | AppendixB | AppendixC | AppendixD | AppendixE | AppendixF | AppendixG | AppendixH | AppendixI | AppendixJ | AppendixK | ALL |

Appendix K. Database Subject Divisions and Categories

K.1 Divisions and Categories.

K.1.1 The subject divisions and categories used to catalog NASA STI reports before they are processed and entered in the STI repository internal interface follow.

K.2 For additional information concerning these subject divisions and categories, refer to http://www.sti.nasa.gov/sti-tools/

K.3 STI Repository Subject Divisions and Categories

AERONAUTICS

01 Aeronautics (General)
02 Aerodynamics
03 Air Transportation and Safety
04 Aircraft Communications and Navigation
05 Aircraft Design, Testing and Performance
06 Avionics and Aircraft Instrumentation
07 Aircraft Propulsion and Power
08 Aircraft Stability and Control
09 Research and Support Facilities (Air)

ASTRONAUTICS

12 Astronautics (General)
13 Astrodynamics
14 Ground Support Systems and Facilities (Space)
15 Launch Vehicles and Launch Operations
16 Space Transportation and Safety
17 Space Communications, Spacecraft Communications, Command and Tracking
18 Spacecraft Design, Testing and Performance
19 Spacecraft Instrumentation and Astrionics
20 Spacecraft Propulsion and Power

CHEMISTRY AND MATERIALS

23 Chemistry and Materials (General)
24 Composite Materials
25 Inorganic and Physical Chemistry
26 Metals and Metallic Materials
27 Nonmetallic Materials
28 Propellants and Fuels
29 Space Processing

ENGINEERING

31 Engineering (General) 32 Communications and Radar
33 Electronics and Electrical Engineering
34 Fluid Mechanics and Thermodynamics
35 Instrumentation and Photography
36 Lasers and Masers
37 Mechanical Engineering
38 Quality Assurance and Reliability
39 Structural Mechanics

GEOSCIENCES

42 Geosciences (General)
43 Earth Resources and Remote Sensing
44 Energy Production and Conversion
45 Environment Pollution
46 Geophysics
47 Meteorology and Climatology
48 Oceanography

LIFE SCIENCES

51 Life Sciences (General)
52 Aerospace Medicine
53 Behavioral Sciences
54 Man/System Technology and Life Support
55 Exobiology

MATHEMATICAL AND COMPUTER SCIENCES

59 Mathematical and Computer Sciences (General)
60 Computer Operations and Hardware
61 Computer Programming and Software
62 Computer Systems
63 Cybernetics, Artificial Intelligence and Robotics
64 Numerical Analysis
65 Statistics and Probability
66 Systems Analysis and Operations Research
67 Theoretical Mathematics

PHYSICS

70 Physics (General)
71 Acoustics
72 Atomic and Molecular Physics
73 Nuclear Physics
74 Optics
75 Plasma Physics
76 Solid-State Physics
77 Physics of Elementary Particles and Fields

SOCIAL SCIENCES

80 Social and Information Sciences (General)
81 Administration and Management
82 Documentation and Information Science
83 Economics and Cost Analysis
84 Law, Political Science and Space Policy
85 Technology Utilization and Surface Transportation

SPACE SCIENCES

88 Space Sciences (General)
89 Astronomy
90 Astrophysics
91 Lunar and Planetary Science and Exploration
92 Solar Physics
93 Space Radiation

GENERAL

99 General

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