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FAA Advisory Circulars

rosaP Repository & Open Science Access Portal

FAA Advisories concern how to comply with airworthiness regulations. This collection was published from 1957 to 2000. The FAA Advisory Circular System was established for the publication of nonregulatory guidance and informational material to the public. Bookmark this collection: https://rosap.ntl.bts.gov/collection_faacirculars or https://doi.org/10.21949/1530829.

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Showing 1901 - 1920 of 2072 results
  • AC 9043A Operations Reservations for High Density Traffic Airports
    AC 90-43A: Operations Reservations for High Density Traffic Airports
    United States. Department of Transportation. Federal Aviation Administration
    1969-12-23 | PDF
    This circular advises the aviation community of the means for all aircraft operators, except scheduled and supplemental air carriers and scheduled air taxis, to obtain a reservation to operate to and/or from designated high-density traffic airports (HDTAs).
  • AC 9043B Operations Reservations for High Density Traffic Airports
    AC 90-43B: Operations Reservations for High Density Traffic Airports
    United States. Department of Transportation. Federal Aviation Administration
    1971-01-20 | PDF
    This circular advises the aviation community of the means for all aircraft operators, except helicopte~s, scheduled and supplemental air carriers and scheduled air taxis to obtain a reservation to operate to and/or from designated high-density traffic airports. This circular updates Advisory Circular 90-43A, dated 23 December 1969, and includes cha ...
  • AC 9043C Operations Reservations for High Density Traffic Airports
    AC 90-43C: Operations Reservations for High Density Traffic Airports
    United States. Department of Transportation. Federal Aviation Administration
    1971-11-14 | PDF
    This circular advises the aviation community of the means for all aircraft operators, except helicopters, scheduled and supplemental air carriers and scheduled air taxis to obtain a reservation to operate to and/or from designated high-density traffic airports. This circular updates Advisory Circular 90-43B, dated 20 January 1971, and includes chan ...
  • AC 9043D Operations Reservations for High Density Traffic Airports
    AC 90-43D: Operations Reservations for High Density Traffic Airports
    United States. Department of Transportation. Federal Aviation Administration
    1977-07-20 | PDF
    The last Advisory Circular issued on this subject was on November 14, 1971; since that time, some minor changes have occurred that should be reflected in a current Advisory Circular* This circular emphasizes the requirement for all aircraft operators, except helicopters, to obtain a reservation to operate to and/or from designated high density traf ...
  • AC 9043E Operations Reservations for High Density Traffic Airports HDTAS
    AC 90-43E: Operations Reservations for High Density Traffic Airports (HDTAS)
    United States. Department of Transportation. Federal Aviation Administration
    1982-09-28 | PDF
    This circular advises that except for helicopters, all aircraft operators must continue to obtain a reservation to operate to and/or from designated High Density Traffic Airports (HDTAs). For scheduled air carriers/ commuters/air taxis, reservations normally obtained through scheduling committees are obtained under procedures established pursuant t ...
  • AC 9043F Operations Reservations for High Density Traffic Airports HDTAS
    AC 90-43F: Operations Reservations for High Density Traffic Airports (HDTAS)
    United States. Department of Transportation. Federal Aviation Administration
    1985-04-22 | PDF
    This circular provides information for obtaining instrument and visual flight rule (IFR/VFR) reservations at the High Density Traffic Airports (HDTA's). For reservation purposes, user groups are classified as air carriers, commuters, and others. Scheduled air carriers/commuters obtain reservations for scheduled operations through scheduling committ ...
  • AC 9043G Operations Reservations for High Density Traffic Airports
    AC 90-43G: Operations Reservations for High Density Traffic Airports
    United States. Department of Transportation. Federal Aviation Administration
    1993-12-08 | PDF
    This circular provides information for obtaining instrument and visual flight rule (IFR/VFR) reservations at the High Density Traffic Airports (HDTA). For reservation purposes, user groups are classified as air carriers, commuters, and others.
  • AC 9044 Airport Ground Operations During Low Visibility Conditions
    AC 90-44: Airport Ground Operations During Low Visibility Conditions
    United States. Department of Transportation. Federal Aviation Administration
    1969-04-25 | PDF
    This circular alerts the aviation community to potential problem areas which may exist on airport movement areas during periods of extremely low visibility.
  • AC 9045 Approval of Area Navigation Systems for Use in the US National Airspace System
    AC 90-45: Approval of Area Navigation Systems for Use in the U.S. National Airspace System
    United States. Department of Transportation. Federal Aviation Administration
    1969-08-18 | PDF
    This change deletes certain items found to be in excess of minimum requirements and clarifies certain other items.
  • AC 9045A Approval of Area Navigation Systems for Use in the US National Airspace System
    AC 90-45A: Approval of Area Navigation Systems for Use in the U.S. National Airspace System
    United States. Department of Transportation. Federal Aviation Administration
    1975-02-21 | PDF
    This change transmits revised pages to paragraph 6 of the basic advisory circular and to paragraphs 3 and 4 of Appendix D, Section 1.
  • AC 9046 Depiction of Holding Patterns
    AC 90-46: Depiction of Holding Patterns
    United States. Department of Transportation. Federal Aviation Administration
    1969-08-19 | PDF
    This circular provides information concerning the Federal Aviation Administration plan to chart holding patterns and the course of action to be followed by pilots when holding is required.
  • AC 9047 Abbreviated Instrument Flight Rules Departure Clearance
    AC 90-47: Abbreviated Instrument Flight Rules Departure Clearance
    United States. Department of Transportation. Federal Aviation Administration
    1970-03-18 | PDF
    This circular provides guidance to pilots and operators for participation in the Abbreviated IFR Departure Clearance Program.
  • AC 9048 Pilots Role in Collision Avoidance
    AC 90-48: Pilots' Role in Collision Avoidance
    United States. Department of Transportation. Federal Aviation Administration
    1970-03-20 | PDF
    This circular is issued to ALERT all pilots to the MIDAIR COLLISION and NEAR MIDAIR COLLISION HAZARD and to emphasize those basic problem areas of concern, as related to the human causal factors, where improvements in pilot education, operating practices, procedures and techniques are needed to reduce midair conflicts.
  • AC 9048A Pilots Role in Collision Avoidance
    AC 90-48A: Pilots' Role in Collision Avoidance
    United States. Department of Transportation. Federal Aviation Administration
    1979-07-24 | PDF
    This advisory circular is issued to alert all pilots to the midair collision and near midair collision hazard and to emphasize those basic problem areas of concern, as related to the human causal factors, where improvements in pilot education, operating practices. procedures, and techniques are needed to reduce midair conflicts.
  • AC 9048B Pilots Role in Collision Avoidance
    AC 90-48B: Pilots' Role in Collision Avoidance
    United States. Department of Transportation. Federal Aviation Administration
    1980-09-05 | PDF
    This advisory circular is issued to alert all pilots to the midair collision and near midair collision hazard and to emphasize those basic problem areas of concern, as related to the human causal factors, where improvements in pilot education, operating practices, procedures, and techniques are needed to reduce midair conflicts.
  • AC 9049 the Airmans Information Manual
    AC 90-49: the Airman's Information Manual
    United States. Department of Transportation. Federal Aviation Administration
    1970-07-31 | PDF
    This Advisory Circular serves as a reminder of the importance of pilot familiarity with Rules, Practices, and Procedures for safe flight operations. It further describes the wealth of information available in the Airman's Information Manual (AIM) to assist the pilot in becoming familiar with these Rules, Practices and Procedures, plus the facilitie ...
  • AC 904 Location Identifiers at P 73501a
    AC 90-4: Location Identifiers, at P 7350.1a
    United States. Department of Transportation. Federal Aviation Administration
    1963-06-04 | PDF
    This circular announces the availability to the public of an internal Federal Aviation Agency handbook on the indicated subject.
  • AC 9050 Air Traffic Control Radio Frequency Assignment Plan for VFR and IFR Communications
    AC 90-50: Air Traffic Control Radio Frequency Assignment Plan for VFR and IFR Communications
    United States. Department of Transportation. Federal Aviation Administration
    1970-09-29 | PDF
    This Circular describes the civil air traffic control assignment of frequencies in the very high frequency (118-136 MHz) band.
  • AC 9050A Vhf Radio Frequency Assignment Plan for Aeronautical Operations
    AC 90-50A: Vhf Radio Frequency Assignment Plan for Aeronautical Operations
    United States. Department of Transportation. Federal Aviation Administration
    1975-02-07 | PDF
    This circular describes the civil air traffic control assignment of frequencies in the very high frequency (118-136 MHz) band.
  • AC 9050B Vhf Radio Frequency Assignment Plan for Aeronautical Operations
    AC 90-50B: Vhf Radio Frequency Assignment Plan for Aeronautical Operations
    United States. Department of Transportation. Federal Aviation Administration
    1977-12-12 | PDF
    This circular describes the civil air traffic control assignment of frequencies in the very high frequency (118-136,MHz) band.
1901 - 1920 / 2072