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This Document is Obsolete and Is No Longer Used.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 2200.2B Eff. Date: March 25, 2005 Cancellation Date: April 25, 2011	Requirements for Documentation, Approval, and Dissemination of NASA Scientific and Technical Information
| TOC | Preface | Chapter1 | Chapter2 | Chapter3 | Chapter4 | Chapter5 | AppendixA | AppendixB | AppendixC | AppendixD | AppendixE | AppendixF | AppendixG | AppendixH | AppendixI | ALL |

Appendix H. NASA Aeronautics and Space Database Subject Divisions and Categories

H.1 Divisions and Categories

H.1.1 The subject divisions and categories used to catalog NASA STI reports before they are processed and entered in the NASA Aeronautics and Space Database are referenced in Section H.2. For additional information concerning these subject divisions and categories, refer to URL http://www.sti.nasa.gov/subjcat.pdf.

H.2 NASA Aeronautics and Space Database Subject Divisions and Categories [For more specific guidance, see URL http://www.sti.nasa.gov/subjcat.pdf.]

AERONAUTICS
01 Aeronautics
02 Aerodynamics
03 Air Transportation and Safety
04 Aircraft Communications and Navigation
05 Aircraft Design, Testing and Performance
06 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 (Air)
15 Launch Vehicles and Space Vehicles
16 Space Transportation
17 Space Communications, Spacecraft Communications, Command and Tracking
18 Spacecraft Design, Testing and Performance
19 Spacecraft Instrumentation
20 Spacecraft Propulsion and Power

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

ENGINEERING
31 Engineering (General)
32 Communications and Radar
33 Electronics and Electrical Engineering
34 Fluid Mechanics and Heat Transfer
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 Space Biology

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
64 Numerical Analysis
65 Statistics and Probability
66 Systems Analysis
67 Theoretical Mathematics

PHYSICS
70 Physics (General)
71 Acoustics
72 Atomic and Molecular Physics
73 Nuclear and High-Energy Physics
74 Optics
75 Plasma Physics
76 Solid-State Physics
77 Thermodynamics and Statistical Physics

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

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

GENERAL
99 General

DISTRIBUTION:
NODIS