MISCELLANEOUS ACTIVITY AREA DATA BASE RECORD LAYOUT (MAA-FILE) INFORMATION EFFECTIVE DATE: 10/12/2017 RECORD FORMAT: FIXED LOGICAL RECORD LENGTH: 919 FILE STRUCTURE DESCRIPTION: --------------------------- THERE ARE A VARIABLE NUMBER OF FIXED-LENGTH RECORDS TO DESCRIBE EACH MISCELLANEOUS ACTIVITY AREA (MAA). THE NUMBER OF RECORDS IS DETERMINED BY THE AMOUNT OF TEXTUAL INFORMATION ASSOCIATED WITH EACH MAA. EACH OF THE SEVEN RECORD TYPES IS IDENTIFIED BY A RECORD TYPE INDICATOR (MAA1, MAA2, ..., MAA7) AND A RECORD KEY THAT IS UNIQUE TO EACH MISCELLANEOUS ACTIVITY AREA. THE RECORDS ARE IN SEQUENCE, I.E., ALL TEXT RECORDS FOLLOW THEIR READABLE ORDER. THE FILE IS SORTED BY STATE AND CITY. EACH RECORD ENDS WITH A CARRIAGE RETURN CHARACTER AND LINE FEED CHARACTER (CR/LF). THIS LINE TERMINATOR IS NOT INCLUDED IN THE LOGICAL RECORD LENGTH. DESCRIPTION OF THE RECORD TYPES: -------------------------------- ‘MAA1’ RECORD TYPE CONTAINS THE BASE MISCELLANEOUS ACTIVITY AREA DATA. THERE IS ONE MAA1 RECORD FOR EACH AREA. ‘MAA2’ RECORD TYPE CONTAINS THE POLYGON COORDINATES. EACH MAA2 RECORD CONTAINS ONE LINE OF TEXT. THERE CAN BE ANY NUMBER OF MAA2 RECORDS. ‘MAA3’ RECORD TYPE CONTAINS TEXTUAL INFORMATION REGARDING ANY TIMES OF USE. EACH MAA3 RECORD CONTAINS ONE LINE OF TEXT. THERE CAN BE ANY NUMBER OF MAA3 RECORDS. ‘MAA4’ RECORD TYPE CONTAINS TEXTUAL INFORMATION REGARDING ANY USER GROUP. EACH MAA4 RECORD CONTAINS ONE LINE OF TEXT. THERE CAN BE ANY NUMBER OF MAA4 RECORDS. ‘MAA5’ RECORD TYPE CONTAINS TEXTUAL INFORMATION REGARDING ANY CONTACT FACILITY FREQUENCY DATA. EACH MAA5 RECORD CONTAINS ONE LINE OF TEXT. THERE CAN BE ANY NUMBER OF MAA5 RECORDS. ‘MAA6’ RECORD TYPE CONTAINS TEXTUAL INFORMATION REGARDING ANY CHECK FOR NOTAMS DATA. EACH MAA6 RECORD CONTAINS ONE LINE OF TEXT. THERE CAN BE ANY NUMBER OF MAA6 RECORDS. ‘MAA7’ RECORD TYPE CONTAINS TEXTUAL INFORMATION REGARDING ANY REMARKS ABOUT THE MAA BASE DATA. EACH MAA7 RECORD CONTAINS ONE LINE OF TEXT. THERE CAN BE ANY NUMBER OF MAA7 RECORDS. GENERAL INFORMATION: -------------------- 1. LEFT JUSTIFIED FIELDS HAVE TRAILING BLANKS 2. RIGHT JUSTIFIED FIELDS HAVE LEADING BLANKS 3. ELEMENT NUMBER IS FOR INTERNAL REFERENCE ONLY AND NOT IN RECORD 4. THE MAA ID IS THE UNIQUE RECORD IDENTIFIER. 5. MAA ID IS REPEATED ON EACH RECORD. 6. LATITUDE AND LONGITUDE INFORMATION IS REPRESENTED IN TWO WAYS: A. FORMATTED LAT/LONG VALUES AND ARE REPRESENTED AS FOLLOWS: LATITUDE DD-MM-SS.SSSSH LONGITUDE DDD-MM-SS.SSSSH WHERE : DD IS DEGREES MM IS MINUTES SS.SSSS IS SECONDS, AND TEN THOUSANDTHS OFSECONDS- H IS DECLINATION EXAMPLE : LAT- 39-06-51.0701N LONG- 075-27-54.6601W B. LAT/LONG VALUES CONVERTED TO ALL SECONDS AS FOLLOWS: LATITUDE AND LONGITUDE SSSSSS.SSSSH WHERE : SSSSSS.SSSS IS THE DEG/MIN/SEC CONVERTED TO ALL SECONDS H IS THE DECLINATION EXAMPLE: LAT- 140811.0701N LONG- 271674.6601W J T L S L E N U Y E T O L U S P N A C E M T E G R A M B T T T E E H I N R O T N FIELD DESCRIPTION *********************************************************************** ‘MAA1’ RECORD TYPE – BASE MISCELLANEOUS ACTIVITY AREA DATA *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA1: BASE AIRSPACE DATA L AN 0006 00005 MAA ID R AN 0025 00011 MAA TYPE AEROBATIC PRACTICE GLIDER HANG GLIDER SPACE LAUNCH ULTRALIGHT UNMANNED AIRCRAFT OTHER L AN 0004 00036 NAVAID IDENTIFIER (EX.: SCY) L AN 0002 00040 NAVAID FACILITY TYPE CODE (EX.: C) L AN 0025 00042 NAVAID FACILITY TYPE DESCRIBED EX.: VORTAC, TACAN, VOR, DME, ETC. L N 0006 00067 AZIMUTH (DEGREES) FROM NAVAID (000.0-359.99) L N 0006 00073 DISTANCE, IN NAUTICAL MILES, FROM NAVAID EX.: 0,15,11.5 L AN 0030 00079 NAVAID NAME L AN 0002 00109 MAA STATE ABBREVIATION (TWO-LETTER POST OFFICE) L AN 0030 00111 MAA STATE NAME L AN 0030 00141 MAA ASSOCIATED CITY NAME L AN 0014 00171 MAA LATITUDE (FORMATTED) L AN 0012 00185 MAA LATITUDE (SECONDS) L AN 0015 00197 MAA LONGITUDE (FORMATTED) L AN 0012 00212 MAA LONGITUDE (SECONDS) L AN 0004 00224 ASSOCIATED AIRPORT ID L AN 0050 00228 ASSOCIATED AIRPORT NAME L AN 0011 00278 ASSOCIATED AIRPORT SITE NUMBER L AN 0004 00289 NEAREST AIRPORT ID (ONLY APPLIES TO SPACE LAUNCH ACTIVITY AREAS) L N 0006 00293 NEAREST AIRPORT DISTANCE IN NAUTICAL MILES (ONLY APPLIES TO SPACE LAUNCH ACTIVITY AREAS) L AN 0002 00299 NEAREST AIRPORT DIRECTION (ONLY APPLIES TO SPACE LAUNCH ACTIVITY AREAS) L AN 0120 00301 MAA AREA NAME L AN 0008 00421 MAA MAXIMUM ALTITUDE ALLOWED EX.: 12500MSL, 2000AGL L AN 0008 00429 MAA MINIMUM ALTITUDE ALLOWED EX.: 12500MSL, 2000AGL R N 0005 00437 MAA AREA RADIUS, IN NAUTICAL MILES FROM CENTER POINT L AN 0003 00442 SHOW ON VFR CHART (YES/NO) L AN 0450 00445 MAA DESCRIPTION L AN 0008 00895 MAA USE L AN 0017 00903 BLANKS *********************************************************************** ‘MAA2’ RECORD TYPE – POLYGON COORDINATES *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA2: POLYGON COORDINATES L AN 0006 00005 MAA ID L AN 0014 00011 MAA LATITUDE (FORMATTED) L AN 0012 00025 MAA LATITUDE (SECONDS) L AN 0015 00037 MAA LONGITUDE (FORMATTED) L AN 0012 00052 MAA LONGITUDE (SECONDS) L AN 0856 00064 BLANKS *********************************************************************** ‘MAA3’ RECORD TYPE – TIMES OF USE *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA3: TIMES OF USE L AN 0006 00005 MAA ID L AN 0075 00011 TIMES OF USE DESCRIPTION L AN 0834 00086 BLANKS *********************************************************************** ‘MAA4’ RECORD TYPE – USER GROUP *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA4: USER GROUP L AN 0006 00005 MAA ID L AN 0075 00011 MAA USER GROUP NAME L AN 0834 00086 BLANKS *********************************************************************** ‘MAA5’ RECORD TYPE – CONTACT FACILITY DATA *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA5: CONTACT FACILITY DATA L AN 0006 00005 MAA ID L AN 0004 00011 CONTACT FACILITY ID L AN 0048 00015 CONTACT FACILITY NAME (TYPE OF FACILITY CONCATENATED TO NAME) R N 0007 00063 COMMERCIAL FREQUENCY L AN 0001 00070 COMMERCIAL CHART FLAG R N 0007 00071 MILITARY FREQUENCY L AN 0001 00078 MILITARY CHART FLAG L AN 0841 00079 BLANKS *********************************************************************** ‘MAA6’ RECORD TYPE – CHECK FOR NOTAMS *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA6: CHECK FOR NOTAMS L AN 0006 00005 MAA ID L AN 0004 00011 CHECK FOR NOTAMS (ONLY APPLIES TO SPACE LAUNCH ACTIVITY AREAS) L AN 0905 00015 BLANKS *********************************************************************** ‘MAA7’ RECORD TYPE – BASE REMARKS TEXT *********************************************************************** L AN 0004 00001 RECORD TYPE INDICATOR. MAA7: BASE REMARKS TEXT L AN 0006 00005 MAA ID L AN 0300 00011 ADDITIONAL REMARKS L AN 0609 00311 BLANKS ***********************************************************************