NAVAID DATA BASE RECORD LAYOUT (NAV-FILE) INFORMATION EFFECTIVE DATE: 11/25/2004 RECORD FORMAT: FIXED LOGICAL RECORD LENGTH: 699 FILE STRUCTURE DESCRIPTION: -------------------------- THERE ARE A VARIABLE NUMBER OF FIXED LENGTH RECORDS FOR A SINGLE NAVIGATIONAL AID (NAVAID). THE NUMBER OF RECORDS IS DETERMINED BY THE REMARKS, AIRSPACE FIXES, HOLDING PATTERNS, AND FAN MARKERS RELATED TO EACH NAVAID. THE RECORDS ARE IDENTIFIABLE BY A RECORD TYPE INDICATOR, (NAV1, NAV2, NAV3, NAV4, NAV5), THA NAVAID FACILITY LOCATION IDENTIFIER, AND THE NAVAID FACILITY TYPE. 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. THE FILE IS SORTED BY STATE, CITY, NAVAID NAME, AND FACILITY LOCATION IDENTIFIER. DESCRIPTION OF THE RECORD TYPES: ------------------------------- THE 'NAV1' RECORD TYPE CONTAINS BASIC NAVAID INFORMATION. THERE IS ALWAYS A NAV1 RECORD. THE 'NAV2' RECORD WILL CONTAINS ONE 400 CHARACTER REMARK PERTAINING TO THE PRECEEDING NAV1 RECORD. THE 'NAV3' RECORD WILL CONTAINS THE COMPULSORY AND NON-COMPULSORY AIRSPACE FIXES ASSOCIATED WITH THE PRECEDING NAV1 RECORD. THE RECORD IS PADDED TO ALLOW FOR A MAXIMUM OF 18 - 33 CHARACTER FIX ENTRIES. THE 'NAV4' RECORD TYPE CONTAINS THE HOLDING PATTERNS ASSOCIATED WITH THE PRECEDING NAV1 RECORD. THE RECORD IS PADDED TO ALLOW FOR A MAXIMUM OF 18 - 33 CHARACTER HOLDING PATTERN ENTRIES. THE NAV5 RECORD TYPE CONTAINS THE FAN MARKERS ASSOCIATED WITH THE PRECEDING NAV1 RECORD. THE RECORD IS PADDED TO ALLOW FOR A MAXIMUM OF 23 - 26 CHARACTER FAN MARKER ENTRIES. EACH NAV1 RECORD MAY HAVE NONE, ONE OR MANY ASSOCIATED NAV2, NAV3, NAV4 OR NAV5 RECORDS. EACH NAV1, NAV2, NAV3, NAV4, AND NAV5 RECORD CONTAINS THE BASIC NAVAID IDENTIFYING INFORMATION (NAVAID FACILITY LOCATION IDENTIFIER AND THE NAVAID FACILITY TYPE). GENERAL INFORMATION: ------------------- 1. LEFT JUSTIFIED FIELDS HAVE TRAILING BLANKS 2. RIGHT JUSTIFIED FIELDS HAVE LEADING BLANKS 3. ELEMENT NUMBER IS FOR TERMINAL REFERENCE ONLY AND NOT IN THE RECORD. 4. THE UNIQUE NAV ID (ELEMENT NUMBER: DLID) IS MADE UP OF THE FACILITY IDENT, THE FACILITY TYPE CODE, AND THE CITY. 5. LATITUDE AND LONGITUDE INFORMATION IS REPRESENTED IN TWO WAYS: A. FORMATTED: ----------- LATITUDE DD-MM-SS.SSSH LONGITUDE DDD-MM-SS.SSSH WHERE: DD IS DEGREES MM IS MINUTES SS.SSS IS SECONDS H IS DECLINATION EXAMPLE: LAT- 39-06-51.070N LONG- 075-27-54.660W B. IN ALL SECONDS : ---------------- LATITUDE AND LONGITUDE SSSSSS.SSSH WHERE SSSSSS.SSS IS THE DEG/MIN/SEC CONVERTED TO ALL SECONDS H IS THE DECLINATION EXAMPLE: LAT- 140811.070N LONG- 27164.66W **************************************************************** 'NAV1' RECORD TYPE - BASE DATA **************************************************************** 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 L AN 04 00001 N/A RECORD TYPE INDICATOR. NAV1: BASIC NAVAID INFORMATION L AN 0004 00005 DLID NAVAID FACILITY IDENTIFIER ****************NOTE: Current unique key for this file is: 3 letter id + type + city L AN 0020 00009 DLID NAVAID FACILITY TYPE (SEE DESCRIPTION) (EX: VOR/DME) NAVAID NAVAID TYPE DESCRIPTION ---- ------------ VORTAC A FACILITY CONSISTING OF TWO COMPONENTS, VOR AND TACAN, WHICH PROVIDES THREE INDIVIDUAL SERVICES: VOR AZIMUTH, TACAN AZIMUTH AND TACAN DISTANCE(DME) AT ONE SITE. VOR/DME VHF OMNI-DIRECTIONAL RANGE WITH ASSOCIATED DISTANCE MEASURING EQUIPMENT FAN MARKER THERE ARE 3 TYPES OF EN ROUTE MARKER BEACONS. FAN MARKER LOW POWERED FAN MARKERS AND Z MARKERS. A FAN MARKER IS USED TO PROVIDE A POSITIVE IDENTIFICATION OF POSITIONS AT DEFINITE POINTS ALONG THE AIRWAYS. CONSOLAN A LOW FREQUENCY, LONG-DISTANCE NAVAID USED PRINCIPALLY FOR TRANSOCEANIC NAVIGATION. MARINE NDB A NON DIRECTIONAL BEACON USED PRIMARILY FOR MARINE (SURFACE) NAVIGATION. MARINE NDB/DME A NON DIRECTINAL BEACON WITH ASSOCIATED DISTANCE MEASURING EQUIPMENT; USED PRIMARILY FOR MARINE (SURFACE) NAVIGATION. VOT A FAA VOR TEST FACILITY NDB A NONDIRECTIONAL BEACON NDB/DME NON DIRECTIONAL BEACON WITH ASSOCIATED DISTANCE MEASURING EQUIPMENT. TACAN A TACTICAL AIR NAVIGATION SYSTEM PROVIDING ASIMUTH AND SLANT RANGE DISTANCE. UHF/NDB ULTRA HIGH FREQUENCY/ NON DIRECTIONAL BEACON VOR A VHF OMNI-DIRECTIONAL RANGE PROVIDENCE ASIMUTH ONLY L AN 0004 00029 DLID OFFICIAL NAVAID FACILITY IDENTIFIER ----------------------------------------------- ADMINISTRATIVE DATA ----------------------------------------------- L AN 0010 00033 N/A EFFECTIVE DATE; THIS DATE COINCIDES WITH THE 56-DAY CHARTING AND PUBLICATION CYCLE EFFECTIVE DATE. L AN 0026 00043 N8 NAME OF NAVAID.(EX: WASHINGTON) L AN 0026 00069 N1 CITY ASSOCIATED WITH THE NAVAID. (EX: WASHINGTON) L AN 0020 00095 N2 STATE NAME WHERE ASSOCIATED CITY IS LOCATED (MAY NOT BE SAME STATE WHERE NAVAID IS LOCATED) (EX: DC) L AN 0002 00115 N2S STATE POST OFFICE CODE WHERE ASSOCIATED CITY IS LOCATED. (MAY NOT BE SAME STATE WHERE NAVAID IS LOCATED) (EX: DC) L AN 0003 00117 N20 FAA REGION RESPONSIBLE FOR NAVAID (CODE) (EX: AEA) REGION CODES REGION NAME ---- ----------- AAL ALASKA ACE CENTRAL AEA EASTERN AGL GREAT LAKES AIN INTERNATIONAL ANE NEW ENGLAND ANM NORTHWEST MOUNTAIN ASO SOUTHERN ASW SOUTHWEST AWP WESTERN-PACIFIC L AN 0020 00120 N3 COUNTRY NAVAID LOCATED IF OTHER THAN U.S (NAME) (EX: CANADA) L AN 0002 00140 N3S COUNTRY POST OFFICE CODE NAVAID LOCATED IF OTHER THAN U.S. (EX: CA) L AN 0050 00142 N10 NAVAID OWNER NAME (EX: U.S. NAVY) L AN 0050 00192 N12 NAVAID OPERATOR NAME (EX: U.S. NAVY) L AN 0001 00242 N47 COMMON SYSTEM USAGE (Y OR N) DEFINES HOW THE NAVAID IS USED. L AN 0001 00243 N48 NAVAID PUBLIC USE (Y OR N) DEFINES BY WHOM THE NAVAID IS USED L AN 0011 00244 N28 CLASS OF NAVAID. THE NAVAID CLASS DESIGNATOR MAY BE COMPRISED OF AN ALTITUDE CODE (VOR, VORTAC, VOR/DME, AND TACAN FACILITIES ONLY), AND/OR A COMBINATION OF CLASS CODES. _______________________ ALTITUDE CODE ALTITUDE DESCRIPTION ------------- -------------------- H HIGH L LOW T TERMINAL SEPARATOR CHARACTER: - (DASH) ------------------- CLASS CODE/DESCRIPTION ---------------------- AB AUTOMATIC WEATHER BROADCAST. DME UHF STANDARD (TACAN COMPATIBLE) DISTANCE MEASURING EQUIPMENT. DME(Y) UHF STANDARD (TACAN COMPATIBLE) DISTANCE MEASURING EQUIPMENT THAT REQUIRES TACAN RECEIVERS TO BE PLACED IN THE 'Y' MODE TO RECEIVE DME H NON-DIRECTIONAL RADIO BEACON (NDB), (HOMING), POWER 50 WATTS TO LESS THAN 2000 WATTS (50 NM AT ALL ALTITUDES). HH NON-DIRECTIONAL RADIO BEACON (NDB), (HOMING), POWER 2000 WATTS OR MORE (75 NM AT ALL ALTITUDES) H-SAB NON-DIRECTIONAL RADIO BEACON PROVIDING AUTOMATIC TRANSCRIBED WEATHER SERVICE. LMM COMPASS LOCATOR STATION WHEN INSTALLED AT MIDDLE MARKER SITE (15 NM AT ALL ALTITUDES). LOM COMPASS LOCATOR STATION WHEN INSTALLED AT OUTER MARKER SITE (15 NM AT ALL ALTITUDES). MH NON-DIRECTIONAL RADIO BEACON (NDB) (HOMING), POWER LESS THAN 50 WATTS (25 NM AT ALL ALTITUDES) S SIMULTANEOUS RANGE HOMING SIGNAL AND/OR VOICE SABH NON-DIRECTIONAL RADIO BEACON (NDB) NOT AUTHORIZED FOR IFR OR ATC. PROVIDES AUTOMATIC WEATHER BROADCASTS. TACAN UHF NAVIGATIONAL FACILITY-OMNIDIREC- TIONAL COURSE AND DISTANCE INFORMATION. VOR VHF NAVIGATIONAL FACILITY-OMNIDIREC- TIONAL COURSE ONLY. VOR/DME COLLOCATED VOR NAVIGATIONAL FACILITY AND UHF STANDARD DISTANCE MEASURING EQUIPMENT. VORTAC COLLOCATED VOR AND TACAN NAVIGATIONAL FACILITIES. W WITHOUT VOICE ON RADIO FACILITY FREQUENCY. Z VHF STATION LOCATION MARKER AT A LF RADIO FACILITY. EXAMPLES: H-ABVORTAC, L-VOR, H, HH, MH-SAB, MHW/LOM, H-SAB/LOM NOTE: MULTIPLE CLASS CODE TYPES MAY BE SEPARATED BY A / (SLANT) OR A - (DASH) **** AUXILIARY CANADA CLASS CODES **** -------------------- THESE CODES MAY APPEAR SINGLY, IN MULTIPLES, OR COMBINED WITH THE CODES LISTED ABOVE: CLASS CODE/DESCRIPTION ---------------------- A ATIS(AUTOMATIC TERMINAL INFORMATION SERVICE) C TRANSCRIBED WEATHER BROADCAST STATION B SCHEDULED WEATHER BROADCAST T FSS OR OTHER ATC AGENCY (EXCEPT PAR) CAN TRANSMIT ON THIS NAVIGATION FRE- QUENCY BUT NOT RECEIVE P PRECISION APPROACH RADAR BACK-UP FRE- QUENCY L NDB POWER OUTPUT LESS THAN 50 WATTS M NDB POWER OUTPUT 50 TO LESS THAN 2000 WATTS H NDB POWER OUTPUT 2000 WATTS OR MORE Z 75 MHZ STATION LOCATION MARKER OR FAN MARKER EXAMPLE: M,L,CTMZ,TPM,MZ,LZ,TMZ,BT, TACAN,VOR/DME,VOR ------ END OF N28 DESCRIPTION ----- L AN 0009 00255 N52 HOURS OF OPERATION OF NAVAID (EX: 0800-2400) L AN 0020 00264 N94 IDENTIFIER OF ARTCC THAT THE NAVAID FALLS WITHIN. ----------------------------------------------- GEOGRAPHICAL POSITION DATA ----------------------------------------------- L AN 0014 00284 N4 NAVAID LATITUDE (FORMATTED) L AN 0011 00298 N4S NAVAID LATITUDE (ALL SECONDS) L AN 0014 00309 N5 NAVAID LONGITUDE (FORMATTED) L AN 0011 00323 N5S NAVAID LONGITUDE (ALL SECONDS) L AN 0001 00334 N38 LATITUDE/LONGITUDE SURVERY ACCURACY (CODE) (N38) SURVERY ACCURACY CODE/DESCRIPTION --------------------------------- 0 = UNKNOWN 1 = DEGREE 2 = 10 MINUTES 3 = 1 MINUTE 4 = 10 SECONDS 5 = 1 SECOND OR BETTER 6 = NOS 7 = 3RD ORDER TRIANGULATION L AN 0014 00335 N21 LATITUDE OF TACAN PORTION OF VORTAC WHEN TACAN IS NOT SITED WITH VOR (FORMATTED) L AN 0011 00349 N21S LATITUDE OF TACAN PORTION OF VORTAC WHEN TACAN IS NOT SITED WITH VOR (ALL SECONDS) L AN 0014 00360 N22 LONGITUDE OF TACAN PORTION OF VORTAC WHEN TACAN IS NOT SITED WITH VOR (FORMATTED) L AN 0011 00374 N22S LONGITUDE OF TACAN PORTION OF VORTAC WHEN TACAN IS NOT SITED WITH VOR (ALL SECONDS) R AN 0005 00385 N37 ELEVATION IN WHOLE FEET (MSL). (N45) MAGNETIC VARIATION ------------------ R AN 0005 00390 N45 MAGNETIC VARIATION DEGREES (00-99) FOLLOWED BY MAGNETIC VARIATION DIRECTION (E,W) (EX: 8080W) R AN 0004 00395 N45S MAGNETIC VARIATION EPOCH YEAR (00-99) --- END OF N45 DESCRIPTION --- ----------------------------------------------- FACILITIES/FEATURES OF NAVAID ----------------------------------------------- L AN 0003 00399 N33 SIMULTANEOUS VOICE FEATURE (Y,N, OR NULL) R N 0004 00402 N34 POWER OUTPUT (IN WATTS) L AN 0003 00406 N35 AUTOMATIC VOICE IDENTIFICATION FEATURE (Y, N, OR NULL) L AN 0001 00409 N36 MONITORING CATEGORY (N36) MONITORING CATEGORY (1,2,3,4) ----------------------------- 1-INTERNAL MONITORING PLUS A STATUS INDICATOR INSTALLED AT CONTROL POINT. (REVERTS TO A TEMPORARY CATEGORY 3 STATUS WHEN THE CONTROL POINT IS NOT MANNED.) 2-INTERNAL MONITORING WITH STATUS INDICATOR AT CONTROL POINT INOPERATIVE BUT PILOT REPORTS INDICATE FACILITY IS OPERATING NORMALLY. (THIS IS A TEMPORARY SITUATION THAT REQUIRES NO PROCEDURAL ACTION.) 3-INTERNAL MONITORING ONLY. STATUS INDICATOR NON INSTALLED AT CONTROL POINT. 4-INTERNAL MONITOR NOT INSTALLED. REMOTE STATUS INDICATOR PROVIDED AT CONTROL POINT. THIS CATEGORY IS APPLICABLE ONLY TO NON-DIRECTIONAL BEACONS. ---- END OF N36 DESCRIPTION ---- L AN 0024 00410 N23 RADIO VOICE CALL (NAME) (EX: WASHINGTON RADIO) L N 0004 00434 N24 CHANNEL (TACAN) NAVAID TRANSMITS ON (EX : 051X) R N 0006 00438 N25 FREQUENCY THE NAVAID TRANSMITS ON (EXCEPT TACAN) (EX: 110.60 298) R N 0024 00444 N75 TRANSMITTED FAN MARKER/MARINE RADIO BEACON IDENTIFIER EX: (DOT,DASH SEQUENCE USED) L AN 0010 00468 N76 FAN MARKER TYPE (BONE OR ELLIPTICAL) L AN 0003 00478 N77 TRUE BEARING OF MAJOR AXIS OF FAN MARKER EX: IN WHOLE DEGREES (001-360) L AN 0001 00481 N29 PROTECTED FREQUENCY ALTITUDE H=HIGH, L=LOW, T=TERMINAL CLASS ALTITIUDE MILES ----- --------- ----- T 12,000' AND BELOW 25 L BELOW 18,000' 40 H BELOW 18,000' 40 H WITHIN THE CONTER- 100 MINOUS 48 STATES ONLY BETWEEN 14,500' AND 17,999' H 18,000' FL 450 130 H ABOVE FL 450 100 L AN 0003 00482 N30 LOW ALTITUDE FACILITY USED IN HIGH STRUCTURE (Y, N, OR NULL) L AN 0003 00485 N31 NAVAID Z MARKER AVAILABLE (Y, N, OR NULL) L AN 0009 00488 N32 TRANSCRIBED WEATHER BROADCAST HOURS (TWEB) (EX: 0500-2200) L AN 0020 00497 N95 TRANSCRIBED WEATHER BROADCAST PHONE NUMBER L AN 0004 00517 N49S ASSOCIATED/CONTROLLING FSS (IDENT) L AN 0026 00521 N49 ASSOCIATED/CONTROLLING FSS (NAME) L AN 0100 00547 F15 HOURS OF OPERATION OF CONTROLLING FSS (EX: 0800-2400) L AN 0004 00647 N49B NOTAM ACCOUNTABILITY CODE (IDENT) ----------------------------------------------- CHARTING DATA ----------------------------------------------- L AN 0016 00651 N80 QUADRANT IDENTIFICATION AND RANGE LEG BEARING (LFR ONLY) (EX: 151N190A311N036A) ----------------------------------------------- NAVAID STATUS ----------------------------------------------- L AN 0030 00667 N41, NAVIGATION AID STATUS N42 ----------------------------------------------- PITCH, CATCH, AND SUA/ATCAA FLAGS ----------------------------------------------- L AN 0001 00697 N/A PITCH FLAG (Y OR N) L AN 0001 00698 N/A CATCH FLAG (Y OR N) L AN 0001 00699 N/A SUA/ATCAA FLAG (Y OR N) ********************************************************************* * * 'NAV2' RECORD TYPE - NAVAID REMARKS * ********************************************************************* 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 L AN 04 00001 N/A RECORD TYPE INDICATOR. NAV2: NAVAID REMARKS L AN 0004 00005 DLID NAVAID FACILITY IDENTIFIER L AN 0020 00009 DLID NAVAID FACITITY TYPE (EX: VOR/DME) (SEE NAV1 RECORD FOR DESCRIPTION) L AN 0600 00029 RMRKS NAVAID REMARKS. L AN 0071 00629 N/A FILLER. FREE FORM TEXT ********************************************************************* * * 'NAV3' RECORD TYPE - COMPULSORY AND NON-COMPULSORY * AIRSPACE FIXES ASSOCIATED WITH NAVAID * ********************************************************************* 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 L AN 04 00001 N/A RECORD TYPE INDICATOR. NAV3: CUMPULSORY AND NON-CUMPULSORY AIRSPACE FIXES ASSOCIATED WITH NAVAID L AN 0004 00005 DLID NAVAID FACILITY IDENTIFIER L AN 0020 00009 DLID NAVAID FACITITY TYPE (EX: VOR/DME) (SEE NAV1 RECORD FOR NAVAID FACILITY TYPE) L AN 0033 00029 N83 NAME(S) OF FIXES (FIX-FILE) AND THE ID'(S) OF THE STATE IN WHICH THE FIX IS LOCATED. (EX: FIX NAME*FIX STATE.- WHITE*TX ORICH*LA L AN 0594 00062 N/A SPACE ALLOCATED FOR 18 MORE FIX (NOTE: THIS RECORD MAY CONTAIN UP TO 19 FIX DATA) L AN 0044 00656 N/A BLANKS. ********************************************************************* * * 'NAV4' RECORD TYPE - HOLDING PATTERN (HPF) ASSOCIATED * WITH NAVAID * ********************************************************************* 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 L AN 04 00001 N/A RECORD TYPE INDICATOR NAV4: HOLDING PATTERNS ASSOCIATED WITH NAVAID L AN 0004 00005 DLID NAVAID FACILITY IDENTIFIER L AN 0020 00009 DLID NAVAID FACITITY TYPE (EX: VOR/DME) (SEE 'NAV1' RECORD FOR DESCRIPTION) L AN 0033 00029 N84 NAME(S) OF HOLDING PATTERN(S) AND THE STATE IN WHICH THE HOLDING PATTERN(S) IS (ARE) LOCATED. (EX: NAVAID NAME & FAC TYPE*NAV STATE- GEORGETOWN NDB*TX) L AN 0594 00062 N/A SPACE ALLOCATED FOR 18 MORE HOLDING (NOTE: THIS RECORD MAY CONTAIN UP TO 19 HOLDING PATTERNS) L AN 0044 00656 N/A BLANKS. ******************************************************************** * * 'NAV5' RECORD TYPE - FAN MARKERS ASSOCIATED WITH NAVAID * ******************************************************************** 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 L AN 04 00001 N/A RECORD TYPE INDICATOR. NAV5: FAN MARKER ASSOCIATED WITH NAVAID L AN 0004 00005 DLID NAVAID FACILITY IDENTIFIER L AN 0020 00009 DLID NAVAID FACITITY TYPE (EX: VOR/DME) (SEE NAV1 RECORD DESCRIPTION) L AN 0026 00029 N81 NAME(S) OF FAN MARKER(S) L AN 0598 00055 N/A SPACE ALLOCATED FOR 23 MORE FAN MARKERS (NOTE: THIS RECORD MAY CONTAIN UP TO 24 FAN MARKERS) L AN 0047 00653 N/A BLANKS