National Archives and Records Administration 8601 Adelphi Road College Park, Maryland 20740-6001 REFERENCE COpy OF TECHNICAL DOCUMENTATION FOR ACCESSIONED ELECTRONIC RECORDS (Copied: November 7, 2005) Service Segment: ER-S86 Domestic and International DATA BANK 23T, FY 1989 Record Group 467 Records of the Research and Special Programs Administration The National Archives and Records Administration (NARA) has been accepting electronic records into its holdings since the early 1970s. Technical documentation has accompanied each transfer of electronic records. The documentation is necessary to understand the meaning of the digitized bits of information within the electronic records. Over the decades, NARA has had different procedures for compiling technical documentation into an organized unit for researchers, and different expectations regarding the content and extent of any NARA-produced portions of the documentation. Consequently, the structure, organization and contents of the documentation reflect the procedures in place when the technical documentation was compiled and arranged and may include out of date addresses, telephone numbers, or other items of unrevised information related to the agency that created or transferred the documentation and electronic records to NARA, to the NARA unit that processed these materials, or to the physical media of the electronic records files. In creating the reference copy of the documentation package, NARA staff have selected from the technical and/or supplementary documentation available for this series or file(s). We have annotated or highlighted the table of contents that follows to indicate which portions of the full documentation for this series or file are included in this reference copy of documentation. Any materials not included here are available upon request. Any user notes prepared after the table of contents was prepared appear before the table of contents. This documentation will differ in structure, organization and contents from technical documentation for other series or files of accessioned electronic records. The readability and visual quality are also variable. NARA 's web site is http://www.nara.gov National Archives and Records Administration 8601 Adelphi Road College Park, Maryland 20740-6001 Note on Reference Documentation ER-586 Service Segment (Domestic and International) Data, Data Bank 23T, FY 1989 NN3-467 -93-007 Records of the Bureau of Transportation Statistics (Record Group 570) (reallocated from Records ofthe Research and Innovative Technology Administration (Transportation) (Record Group 467» With a few exceptions, the layout and most of the code lists included in this documentation are also part ofthe documentation package for ER-586 Service Segment (Domestic and International) Data, Data Bank 23T, FY 1985-1988. The following is the documentation unique to the FY 1985-1988 files: - user note (reference copy #i), - table of contents (reference copy #ii), - validation statement (reference copy #14-16), - codebook list (reference copy #17), and - random sample CAB validation DS 61-65 (DB5SAS1 + DB5SAS3)(reference copy #77). Users obtaining any or all of the FY 1985-1988 files and the FY 1989 file can use the FY 1989 documentation and request the pages listed above from the FY 1985-1988 documentation. Lynn Goodsell, Archivist Electronic and Special Media Records Services Division (NWME) Apri121, 2010 Reference Copy #i NARA's web site is http://www.archives.gov College Park, Mary/alld .10740-6001 List of Documentation File Title: SERVICE SEGMENT: ER-586 DOMESTIC AND INTERNATIONAL DATA BANK 23T, JANUARY-DECEMBER 1989 Accession Number: 3-467-93-007 Numbe;r:- of Pages I. National Archives & Records Administration (NARA) Documentation List of Documentation 1 II. Agency Documentation 1. Data Base Record Layout (Revised 8/89) 12 2. Aircraft Master Listing (04/01/91) 16 3. Carrier Decode Listing -- Sorted by Carrier Codes (pages 15-27) 13 4. Carrier Decode Listing -- Sorted by Entity-Code 27 5. World Area Codes (2/91) 12 III. Other Materials 1. Official Airlines Guide - City/Airport Listed Alphabetically by Code (6/88) (pages 1 & 65-71) 8 2. Civil Aeronautics Board, Manual of ADP Instructions Outputs Codes & Related Material (8/80) 10 IV. NARA Processing Materials 1. Manual Validation Statement (02/09/95) 2. National Archives Produced Printout of Some Records (11/23/94) 3. Sample Computer Dump Prepared by: Michelle Payton Date: February 9, 1995 Page.1 of 1 Reference Copy # 1 National Arci.Jil'es alld Nl!cords Administration College Park;, Jlclly/Cl7Zd ::07-40-6007 1. National Archives & Records Administration (NARA) Documentation Reference Copy #2 Natiullai.-Ircbi{·es alld Records .-1 dill ill islra lioll Na~~r;::a!4rchives t Colleg a e Park --- '--- ,_._--I, lIa1')'----I allLl "I _)0740,600'7- l'" ',;:,;:, ,,\ - .--8601- AdelplJz---, RoClc-. I Co/lege ParfJ, _', II. Agency Documentation Reference Copy #3 Natiollal A/c.J. 'I in's CIIII \l ( " '~~~~~~':':():IY~~~'~-!(~/I~)II~Il~i~,t_I"_lt_I()_II_____ ___________________________ ,-' DEPARTMENT OF TRANSPORTATION OFFICE OF AVIATION INFORMATION MANAGEMENT RSPA DATA BASE RECORD LAYOUT DATA BANK 23 (Revised August 1989) Mailing Address: Department of Transportation Office of Aviation Information Management Data Administration Division DAI-20 400 7th Street SW Washington, DC 20590 Rel~~~~ ____________________________________________ OAIM DATA FILE DESCRIPTION I. DATA BASE: SERVICE SEGMENT DATA BANKS II. NAME INFORMATION: A. ER-586 Service Segment (DB231 and DB23T) B. Data Set Names (tapes) = J3.J3C2XXXX.DB23I.Myymm.Myymm and J3.J3C2XXXX.DB23T.Myymm.Myymm Example for year of 1985 DSN = J3.J3C2XXXX.DB23I.M8501.M8512 and DSN = J3.J3C2XXXX.DB23T.M8501.M8512 III. FILE DESCRIPTION: In general, these files contain totals of passenger and cargo ton enplanements andaeplanements for each pair of points served or scheduled to be served by a single stage of at least one flight within the reported time period. Each record contains information regarding the reporting carrier, aircraft type flown, revenue or non-revenue " status, class of service flown, classification of cargo flown and points served subsequent to the segment reported in the record. These files contain restricted information. 1 - DB231 File contains International Entities or a downline" point outside the United States. The records contain downline deplaning data as well as cargo data. 2 - DB23T This is the complete Service Segment file consisting of both Domestic and International data. For additional information concerning these data sets write to OAIM at the address shown on the cover sheet. IV. FILE SPECIFICATIONS: A. Record Format - Variable Length records B! Record Length - Minimum record length - 364 bytes Maximum record length - 724 bytes C. Maximum Block Length 32000 bytes D. Recording Density - 6250 bpi E. Data Format - BI = Binary PD = Packed Decimal (numeric) CH = Extended Binary Coded Decimal Reference Copy #5 V. RECORD FORMAT ER-S86 SERVICE SEGMENT (DB23I-DB23T) FIELD NAME START FIELD DATA DESCRIPTION OF DATA POS. LNTH. TYPE RECORD LENGTH 1 4 BI Record Length in Bytes Base/Reference 5 1. CH "B" where Airport (1 ) = Departure point Code "R" where Airport (1) = Arrival point Airport (1) 6 5 PO See Note A Numeric Code Airport (1) 11 3 CH Standard three letter code Alpha Code Repeating 14 2 CH Number of segments occurring Segment Count in this record. Airport (2) 16 5 PO See Note A Numeric Code Airport (2) 21 3 CH Standard three letter code Alpha Code Carrier code 24 2 CH Standard two letter carrier code Date of Oata(Y) 26 2 CH Rightmost two digits of the year of data Date of Data(M) 28 2 CH Standard two digit month code (01 to 12) Carrier 30 5 CH See Note B Entity Code Number of 35 2 CH Number of points in the,routing after Downline Points segment origin. Service Class 37 1 CH Contains "A","C","E",or "G". See note C Aircraft Group 38 1 CH Code indicating general category of the Code aircraft type such as "four eng. jet" Aircraft Type 39 2 CH Code indicating the specific name and Code model of the aircraft type Aircraft Cabin 41 1 CH Contains a value "1", "2", or "3" for Configuration Passenger, cargo, or Passenger/cargo Code Combined respectively Flight Number 42 4 CH Four digit number assigned to each flight Reference Copy #6 V. RECORD FORMAT ER-586 SERVICE SEGMENT (DB23I-DB23T) FIELD NAME START FIELD DATA DESCRIPTION OF DATA POS. LNTH. TYPE Itinerary 46 1 CH See Note 0 Indicator Subsidy Eligible 47 1 CH Contains a value " " , "1" or "2" for Ineligible Code eligible, ineligible, or partly eligible respectively Reference 48 4 CH Four digit flight number. This field is Flight Number completed for extra section flights only. Airport 1 & 2 Used for sequencing airport pairs Designator 52 2 CH within city pairs - See Note E Service Segment 54 2 CH Sequence no. of this segment in relation Position Number to other segments in the complete routing Seg. Distance 56 3 PO Distance in miles between Airports 1 & 2 Filler 59 14 CH Always zeros. ·~REVENUE AIRCRAFT DEPARTURES I DEPARTURES No. of revenue dep's sched from base city X520 Scheduled 73 6 PO as shown in published flight scheduled. X52l Performed 79 6 PO No. of sched revenue dep's of previous - field which were actually performed. X511 Performed- 85 6 PO No. of total revenue departures performed Scheduled from the base Airport. See note F X5l2 Performed- 91 6 PO Contains no. of total rev dep's performed Extra Sec. which were extra sections to sched dep's MILES I REVENUE AIRCRAFT MILES I X430 Scheduled· 97 6 PO Rev. Departures Scheduled * Seg Distance X411 Flown- Scheduled 103 6 PO Rev. Dep. Performed (Schd) * sag Distance X4l2 Flown- Extra Sec. 109 6 PO Rev. Dep. Prf. (Ext. Sec. ) * Seg Distance Reference Copy #7 V. RECORD FORMAT ER-586 SERVICE SEGMENT (DB23I-DB23T) FIELD NAME START FIELD DATA DESCRIPTION OF DATA POS. LNTH. TYPE SEATS AVAILABLE SEATS AVAIL.