MilOps

Military operations data for landing facilities including military agency type, call signs, and hours of operation

Source: NASRTable: MIL_OPSVersion: e25086c3e952 (effective 2026-04-16)

Designed from a deconstruction of the legacy TWR.txt Subscriber File as a logical grouping of military data found in the TWR1 and TWR2 records and remarks found in the TWR6 record. Unique record key is SITE_NO + SITE_TYPE_CODE.

Example query

# Introspect the MilOps type in GraphiQL at https://api.nav.sortie.co/graphql
# Example shape (pair with a compatible root query field):
{
  # ...rootQuery... {
    effDate
    siteNo
    siteTypeCode
    stateCode
  # }
}

Run at https://api.nav.sortie.co/graphql — GraphiQL is available in-browser.

Fields (13)

FieldTypeDescriptionUnitsEnum
effDate
EFF_DATE
StringThe 28 Day NASR Subscription Effective Date in format YYYY/MM/DD
siteNo
SITE_NO
StringLanding Facility Site Number. A unique identifying number identifying the landing facility.
siteTypeCode
SITE_TYPE_CODE
SiteTypeCodeFacility Type Code indicating the type of landing facility
  • AAirport
  • BBalloonport
  • CSeaplane Base
  • GGliderport
  • HHeliport
  • UUltralight
stateCode
STATE_CODE
StringAssociated State Post Office Code, standard two-letter abbreviation for US States and Territories
arptId
ARPT_ID
StringLocation Identifier. Unique 3-4 character alphanumeric identifier assigned to the Landing Facility
city
CITY
StringAirport Associated City Name
countryCode
COUNTRY_CODE
MilOpsCountryCodeCountry Post Office Code for the country where the airport is located
  • MHMarshall Islands
  • USUnited States
milOpsOperCode
MIL_OPS_OPER_CODE
MilOpsOperCodeMilitary Agency Type Code that Operates the Control Facility
  • AU.S. Air Force
  • CU.S. Coast Guard
  • FFederal Aviation Administration
  • NU.S. Navy
  • RU.S. Army
milOpsCall
MIL_OPS_CALL
StringRadio Call Name for Military Operations at this Control Facility
milOpsHrs
MIL_OPS_HRS
StringHours of Military Operations Conducted each Day
amcpHrs
AMCP_HRS
StringHours of Operation of the Military Aircraft Command Post (AMCP) located at the facility
pmsvHrs
PMSV_HRS
StringHours of Operation of the Military Pilot-To-Metro Service (PMSV) located at the facility
remark
REMARK
StringRemark associated with Military Operations at the facility