Federal Aviation Regulations

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The Federal Aviation Regulations (FARs) are rules prescribed by the Federal Aviation Administration (FAA) governing all aviation activities in the United States. The FARs comprise Title 14 of the Code of Federal Regulations (14 CFR). A wide variety of activities are regulated, such as aircraft design and maintenance, typical airline flights, pilot training activities, hot-air ballooning, lighter-than-air aircraft, human-made structure heights, obstruction lighting and marking, model rocket launches, commercial space operations, model aircraft operations, Unmanned Aircraft Systems (UAS) and kite flying. The rules are designed to promote safe aviation, protecting pilots, flight attendants, passengers and the general public from unnecessary risk.

Contents

FAR vs. 14 CFR

Since 1958, these rules have typically been referred to as "FARs", short for Federal Aviation Regulations. However, another set of regulations (Title 48) is titled "Federal Acquisitions Regulations", and this has led to confusion with the use of the acronym "FAR". Therefore, the FAA began to refer to specific regulations by the term "14 CFR part XX". [1]

FAA Order 1320.46C (Advisory Circular System) section 10 (Using references in the text of an AC) para. h explains "Do not use the acronym "FAR" to refer to FAA's regulations. Neither the Department of Transportation nor the Office of the Federal Register allow us to use "FAR" for our regulations. The Federal Acquisition Regulations apply government-wide and are allowed to use the acronym "FAR."" [2]

14 CFR Overview

Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space. This title is available in digital and printed form, and can be referenced online using the Electronic Code of Federal Regulations (e-CFR).

Content as of 2018

The table of contents, as reflected in the e-CFR updated December 20, 2018: [3]

VolumeChapterPartsRegulatory Entity
1I 1-59 Federal Aviation Administration, United States Department of Transportation
2I 60-109 Federal Aviation Administration, United States Department of Transportation
3I 110-199 Federal Aviation Administration, United States Department of Transportation
4II 200-399 OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)
4III 400-1199 Office of Commercial Space Transportation, FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
5V 1200–1299 National Aeronautics and Space Administration
5VI 1300–1399 Air Transportation Stabilization Board

Organization

Each title of the CFR is organized into sections, called parts. Each part deals with a specific type of activity. For example, 14 CFR Part 141 contains rules for pilot training schools. The sections most relevant to aircraft pilots and AMTs (Aviation Maintenance Technicians) are listed below. Many of the FARs are designed to regulate certification of pilots, schools, or aircraft rather than the operation of airplanes. Once an airplane design is certified using some parts of these regulations, it is certified regardless of whether the regulations change in the future. For that reason, newer planes are certified using newer versions of the FARs, and in many aspects may be thus considered safer designs.

Regulations of interest

The FARs have tens of thousands of separate sections, many used by large numbers of researchers on any given day. A few of the regulations particularly relevant to laypersons, to political issues, or of historical interest are listed here.

Part 1

Many other FARs depend on definitions, which are found in Part 1.1 [4]

Part 21

This part prescribes:

Part 23

Part 23 contains airworthiness standards required for issuance and change of type certificates for airplanes in these categories : [5]

In 2016 the FAA proposed a new system of performance-based airworthiness standards instead of prescriptive design requirements. The familiar weight and propulsion classifications of small airplane regulations would be replaced by performance and risk-based standards for aircraft weighing less than 19,000 pounds and seating 19 or fewer passengers. [6] On August 30, 2017, a revised Part 23 ruling went into effect, changing the aircraft classifications. The new passenger classifications are: Level 1, seating for 0 to 1 passenger; Level 2, 2 to 6; Level 3, 7 to 9; Level 4, 10 to 19. Speed classifications are: low speed, Vc or Vmo equal to or less than 250 knots CAS and equal to or less than Mmo 0.6 Mach; high speed, Vc or Vmo greater than 250 knots CAS and Mmo greater than 0.6 Mach. [7]

Prior to August 30, 2017, Part 23 had a large number of regulations to ensure airworthiness in areas such as structural loads, airframe, performance, stability, controllability, and safety mechanisms, how the seats must be constructed, oxygen and air pressurization systems, fire prevention, escape hatches, flight management procedures, flight control communications, emergency landing procedures, and other limitations, as well as testing of all the systems of the aircraft.

It also determined special aspects of aircraft performance such as stall speed (e.g., for single engine airplanes – not more than 61 knots), rate of climb (not less than 300 ft/min), take-off speed (not less than 1.2 x VS1), and weight of each pilot and passenger (170 lb for airplanes in the normal and commuter categories, and 190 lb for airplanes in the acrobatic and utility categories).

The Cessna 177, Cirrus SR20 and Piper PA-34 Seneca are well-known airplanes types that were certified to standards set out in FAR Part 23.

Most of the Federal Aviation Regulations, including Part 23, commenced on February 1, 1965. Prior to that date, airworthiness standards for airplanes in the normal, utility and acrobatic categories were promulgated in Part 3 of the US Civil Air Regulations. Many well-known types of light airplane, like the Cessna 150 and Piper Cherokee are certified to these older standards, even though they remained in production after 1965.

Part 25

This part contains airworthiness standards for airplanes in the transport category. The Boeing 737 and later types, and Airbus A300 series, are well-known airplane types that were certified according to standards set out in FAR Part 25. Transport category airplanes are either:

This Part is organized into six subparts, to specify design criteria for each of

For example, Part 25, Subpart D has section headings for

Most of the Federal Aviation Regulations, including Part 25, commenced on February 1, 1965. Prior to that date, airworthiness standards for airplanes in the transport category were promulgated in Part 4b of the US Civil Air Regulations which was in effect by November 1945. Effective August 27, 1957, Special Civil Air Regulation (SR) 422 was the basis for certification of the first turbine-powered transport airplanes, such as the Boeing 707, the Lockheed Electra, and the Fairchild 27. SR 422A became effective July 2, 1958, and was superseded by SR 422B, effective August 29, 1959. Only a few airplanes were certified under SR 422A, such as the Gulfstream I and the CL-44. First generation turbine-powered transport category airplanes such as the DC-8, DC-9, and B-727, were originally certified under SR 422B. SR 422B was recodified with minor changes to 14 CFR part 25, which became effective February 1965. [8]

Part 27

This part contains airworthiness standards for rotorcraft in the normal category. Rotorcraft up to 7,000 lb Maximum takeoff weight and 9 or fewer passengers are type certified in this part.

Examples of rotorcraft certified in this part are the Robinson R44, Schweizer 300 and the Bell 429.

Part 29

This part contains airworthiness standards for rotorcraft in the transport category. Rotorcraft with more than 7,000 lb (3,200 kg) maximum takeoff weight and 10 or more passengers are type certified in this part. Rotorcraft with more than 20,000 lb (9,100 kg) maximum takeoff weight must be certified to additional Category A standards defined in this part.

Part 91

Part 91 defines a Part 91 Operator. [9] These are the regulations that define the operation of small non-commercial aircraft within the United States, however, many other countries defer to these rules. These rules set conditions, such as weather, under which the aircraft may operate. [10]

Section 91.3(b)

This regulation states that the pilot-in-command is the party directly responsible for, and is the final authority as to, an aircraft being operated.

Additionally, this regulation states that in an emergency requiring immediate action, the pilot-in-command may deviate from any regulation contained within Part 91 to the extent required to handle the emergency.

Temporary flight restrictions

Example of a presidential TFR surrounding Charleston, South Carolina Flight restriction.gif
Example of a presidential TFR surrounding Charleston, South Carolina

The pertinent sections of the FAR (14 CFR Sections 91.137, 91.138, 91.139, 91.141, 91.143, 91.145, 99.7) [11] [12] describe temporary flight restrictions (TFR). A TFR is a geographically-limited, short-term, airspace restriction, typically in the United States. Temporary flight restrictions often encompass major sporting events, natural disaster areas, air shows, space launches, and Presidential movements. Before the September 11, 2001 attacks, most TFRs were in the interest of safety to flying aircraft with occasional small restrictions for Presidential movements. Since 9/11, TFRs have been routinely used to restrict airspace for 30 nautical miles around the President, with a 10-nautical-mile (18.5 km) radius no-fly zone for non-scheduled flights. They are also available to other high-profile figures such as presidential and vice-presidential candidates (though not all do so, as Senator John Kerry, who did not ask for any TFR during the 2004 election). [13]

TFRs are deeply unpopular with pilots in the general aviation sector. Presidential TFRs are nearly 70 miles in diameter, and frequently close off not only the airport Air Force One is using but nearby airports as well. Others, including the Transportation Security Administration, argue that they are necessary for national security. [14] TFRs can also be instituted for special military operations, such as with the 2023 Chinese balloon incident, where the FAA put into place one of the largest airspace restrictions in U.S. history, with an area approximately twice the size of Massachusetts and more than five times the restricted airspace surrounding Washington, D.C. [15]

The responsibility for screening requests for TFR and for subsequent granting or denying them, lies with the FAA's Office of System Operations Security. [16]

Two-way radio communications failure

Section 91.185 of the Federal Aviation Restrictions deals with loss of radio communications while in flight. If a loss of radio communications were to be encountered during VFR conditions, or if VFR conditions are encountered after loss of communication with the ground and other aircraft, the pilot of the aircraft shall continue the flight under VFR and land as soon as practicable. If, however, the failure occurs in IFR conditions and/or the VFR conditions are not forthcoming, the pilot should continue under the following conditions:

  • Route – The pilot will follow:
  • The route assigned in the last contact with ATC before loss of communication, or, if being radar vectored, continue direct to the radar fix specified in the vector clearance;
  • In the absence of an assigned route, the pilot will follow the route advised by ATC;
  • In the absence of an ATC assigned or advised route, the pilot will follow the route set down in the flight plan.
  • Altitude – The pilot will continue at the highest of the following altitudes or flight levels:
  • The altitude assigned in the last contact with ATC before loss of communication;
  • The minimum altitude for IFR operations;
  • The altitude advised by ATC to be expected in a further clearance. [17]

Private, commuter, and commercial operations

For all pilots, there is an important distinction in the parts that address classes of flight. These parts do not distinguish type of aircraft, but rather type of activity done with the aircraft. Regulations for commuter and commercial aviation are far more intensive than those for general aviation, and specific training is required. Hence, flights are often referred to as Part XX operations, to specify which one of the different sets of rules applies in a particular case. Also, flight schools will often designate themselves as Part 61 or Part 141 to distinguish between different levels of training and different study programs they could offer to the students.

Part 61 is certification for all pilots, flight instructors, and ground instructors.

Part 63 is certification for flight crewmembers other than pilots; such as flight engineers and flight navigators.

Part 65 is certification for airmen other than flight crewmembers; such as Air Traffic Control Tower Operators, Aircraft Dispatchers, Mechanics, Repairmen and Parachute Riggers.

Part 91 is general operating rules for all aircraft. General aviation flights are conducted under this part. Part 91, Subpart (K) prescribes operating rules for fractional ownership programs.

Part 107 (FAA sUAS Part 107) specifies regulations to fly under the Small UAS Rule, or small unmanned aircraft systems in the National Airspace System (NAS). Small unmanned aircraft systems (sUAS) are those that weigh less than 55 pounds. [18]

Part 117 specifies flight and duty-time limitations and rest requirements for flightcrew members.

Part 121 defines regularly scheduled air carriers. These are airlines who operate scheduled flights carrying either cargo or more than nine passengers. [19] Among the many Part 121 rules, pilots must have 1,500 of flight time and must retire by age 65. [20]

Part 133 is external load (helicopter) operations.

Part 135 defines commuter and charter-type air carriers. These airlines can fly scheduled operations with aircraft with up to nine passengers (commuter flights), or they can fly on-demand, unscheduled air service for freight or with up to 30 passengers (charter flights). [21] [22] The Part 135 rules for pilots are less onerous, compared to Part 121: only 250 hours of flight time are required for a pilot to serve as first officer on a Part 135 flight and pilots are not subject to a mandatory retirement age. [20] Additionally, Part 135 operators have lower TSA screening requirements for passengers. [23] Part 135 operators may not sell individual seats on charter flights. Applicants for a Part 135 certificate must have exclusive use of at least one aircraft. [24]

Part 141 is a more structured method for pilot training, based on FAA syllabus and other standards.

Maintenance

Part 21 is certification procedures for products and parts.

Part 39 are airworthiness directives.

Part 43 is maintenance, preventive maintenance, rebuilding, and alteration.

Part 145 contains the rules a certificated repair station must follow as well as any person who holds, or is required to hold, a repair station certificate issued under this part.

Public charter operations

Part 380 governs public charter operators. These companies arrange flights on certified airlines (Part 121 or 135) but then sell individual seats on those flights directly to the public. Unlike the airlines they partner with, Part 380 operators don't operate the aircraft themselves. Historically, this business model has been used by tour operators and casinos to offer occasional flights between smaller cities and popular leisure destinations. [20] [23] However, more recently, the Part 380 rules have also seen some creative applications.

In 2016, JSX began scheduling flights and selling tickets on flights operated by a Part 135 certificated airline (owned by the same parent company). This essentially allowed them to function as a scheduled air carrier (typically under Part 121 rules) while adhering to the less stringent Part 135 regulations. This enabled JSX to operate from fixed-based operator terminals, offering a more exclusive, private jet-like experience for their customers. [20]

Other air carriers, including Advanced Air, Contour Airlines and Southern Airways Express, have also adopted similar strategies using Part 380. This approach allows them to offer more economical service to smaller cities participating in the Essential Air Service program, a government-backed initiative that subsidizes air service to under-served communities. [20] [23]

Several airlines and labor unions are opposed to these "creative" applications of Part 380, calling it a "loophole" that permits these companies to skirt the Part 121 rules others must follow. As of 2024, the FAA is considering revisions to Part 380 regulations. [23]

See also

Related Research Articles

<span class="mw-page-title-main">Federal Aviation Administration</span> U.S. government agency regulating civil aviation

The Federal Aviation Administration (FAA) is a U.S. federal government agency within the U.S. Department of Transportation which regulates civil aviation in the United States and surrounding international waters. Its powers include air traffic control, certification of personnel and aircraft, setting standards for airports, and protection of U.S. assets during the launch or re-entry of commercial space vehicles. Powers over neighboring international waters were delegated to the FAA by authority of the International Civil Aviation Organization.

<span class="mw-page-title-main">General aviation</span> Civil use of aircraft excluding commercial transportation

General aviation (GA) is defined by the International Civil Aviation Organization (ICAO) as all civil aviation aircraft operations except for commercial air transport or aerial work, which is defined as specialized aviation services for other purposes. However, for statistical purposes, ICAO uses a definition of general aviation which includes aerial work.

In aviation, visual flight rules (VFR) are a set of regulations under which a pilot operates an aircraft in weather conditions generally clear enough to allow the pilot to see where the aircraft is going. Specifically, the weather must be better than basic VFR weather minima, i.e., in visual meteorological conditions (VMC), as specified in the rules of the relevant aviation authority. The pilot must be able to operate the aircraft with visual reference to the ground, and by visually avoiding obstructions and other aircraft.

<span class="mw-page-title-main">Private pilot licence</span> Type of pilot license

A private pilot licence (PPL) or private pilot certificate is a type of pilot licence that allows the holder to act as pilot in command of an aircraft privately. The basic licence requirements are determined by the International Civil Aviation Organization (ICAO), but implementation varies from country to country. According to ICAO, an applicant must be at least 17 years old, demonstrate appropriate knowledge and skill, and hold at least a Class 3 medical certificate. Different PPLs are available for different categories of aircraft, such as aeroplane, helicopter, airship, etc., and are not interchangeable, although experience from a PPL in one category may be credited towards the issue of another.

Pilot licensing or certification refers to permits for operating aircraft. Flight crew licences are issued by the civil aviation authority of each country, which must establish that the holder has met minimum knowledge and experience before issuing licences. The licence, along with the required class or type rating, allows a pilot to fly aircraft registered in the licence issuing state.

<span class="mw-page-title-main">Pilot certification in the United States</span> Pilot certification

Pilot certification in the United States is typically required for an individual to act as a pilot-in-command of an aircraft. It is regulated by the Federal Aviation Administration (FAA), a branch of the U.S. Department of Transportation (USDOT). A pilot may be certified under 14 Code of Federal Regulations (CFR) Part 61 or 14 CFR Part 141. Pilots may also be certified under 14 CFR Part 107 for commercial drone operations.

An instrument rating is an authorization required for a pilot to fly under instrument flight rules (IFR). In the United States, the rating is issued by the Federal Aviation Administration.

<span class="mw-page-title-main">Light-sport aircraft</span> Category of lightweight aircraft that are simple to fly

A light-sport aircraft (LSA), or light sport aircraft, is a category of small, lightweight aircraft that are simple to fly. LSAs tend to be heavier and more sophisticated than ultralight aircraft, but LSA restrictions on weight and performance separates the category from established GA aircraft. There is no standard worldwide description of an LSA.

<span class="mw-page-title-main">Flight instructor</span> Person who teaches others to operate aircraft

A flight instructor is a person who teaches others to operate aircraft. Specific privileges granted to holders of a flight instructor qualification vary from country to country, but very generally, a flight instructor serves to enhance or evaluate the knowledge and skill level of an aviator in pursuit of a higher pilot's license, certificate or rating.

<span class="mw-page-title-main">Ultralight aircraft (United States)</span> American aircraft category


Ultralight aircraft exist outside of the United States. In most countries, ultralights are a class of aircraft. A completely different legal concept is valid within the USA. The FAA makes explicitly clear that ultralight vehicles are not aircraft, are not regulated as aircraft, and are exempt from aircraft rules. Instead, they are treated as powersport items and have to follow their own ruleset, FAR-103, which is the most compact aviation regulation in existence. It can be printed on the front- and backside of a single piece of paper.

<span class="mw-page-title-main">Flight dispatcher</span> Flight planning and management specialist within the operations centre of an airline

A flight dispatcher assists in planning flight paths, taking into account aircraft performance and loading, enroute winds, thunderstorm and turbulence forecasts, airspace restrictions, and airport conditions. Dispatchers also provide a flight following service and advise pilots if conditions change. They usually work in the operations center of the airline. In the United States and Canada, the flight dispatcher shares legal responsibility with the commander of the aircraft.

VFR over-the-top (OTT) refers to flying over top of clouds in visual flight, rather than with reference to instruments. This is usually done for brief amount of time to avoid weather or turbulence.

<span class="mw-page-title-main">Airworthiness</span> Measure of an aircrafts suitability for safe flight

In aviation, airworthiness is the measure of an aircraft's suitability for safe flight. Initial airworthiness is demonstrated by a certificate of airworthiness issued by the civil aviation authority in the state in which the aircraft is registered, and continuing airworthiness is achieved by performing the required maintenance actions.

<span class="mw-page-title-main">Terrain awareness and warning system</span> Technological equipment to prevent pilots from flying into obstacles

In aviation, a terrain awareness and warning system (TAWS) is generally an on-board system aimed at preventing unintentional impacts with the ground, termed "controlled flight into terrain" accidents, or CFIT. The specific systems currently in use are the ground proximity warning system (GPWS) and the enhanced ground proximity warning system (EGPWS). The U.S. Federal Aviation Administration (FAA) introduced the generic term TAWS to encompass all terrain-avoidance systems that meet the relevant FAA standards, which include GPWS, EGPWS and any future system that might replace them.

In the United States, skydiving is a self-regulated sport, which means skydivers, in the US, voluntarily follow a set of basic safety requirements established by the U.S. Parachute Association. Federal requirements can be found in the Federal Aviation Regulations. Most of the regulations concern the aircraft, pilot and rules of flight. However, 14 CFR Part 105, "Parachute Operations" regulates when and where jumps may be made and designates the requirements for parachute equipment and packing. For example, 14 CFR Part 105 requires the person packing either the main chute or the reserve parachute to be a certificated rigger, which means he or she has taken an FAA-approved training course and has passed rigorous FAA testing.

<span class="mw-page-title-main">Landing lights</span> Aircraft lights

Landing lights are lights, mounted on aircraft, that illuminate the terrain and runway ahead during takeoff and landing, as well as being used as a collision avoidance measure against other aircraft and bird strikes. Landing lights must be activated when the aircraft is under 10,000 feet in altitude.

<span class="mw-page-title-main">Air operator's certificate</span> Approval by civil aviation authorities to operate aircraft for "commercial air transport" purposes

An air operator's certificate (AOC) is the approval granted by a civil aviation authority (CAA) to an aircraft operator to allow it to use aircraft for commercial air transport purposes. This requires the operator to have personnel, assets and systems in place to ensure the safety of its employees and of the flying public. The certificate lists the approved aircraft types, each registration number approved to fly, the approved flying purpose, and in what area the holder may operate.

<span class="mw-page-title-main">V speeds</span> Standard terms to define airspeeds

In aviation, V-speeds are standard terms used to define airspeeds important or useful to the operation of all aircraft. These speeds are derived from data obtained by aircraft designers and manufacturers during flight testing for aircraft type-certification. Using them is considered a best practice to maximize aviation safety, aircraft performance, or both.

Night aviation regulations in the United States are administered and enforced by the Federal Aviation Administration (FAA). Unlike many countries, the United States places no special restrictions on VFR flying at night.

<span class="mw-page-title-main">Regulation of unmanned aerial vehicles</span>

Regulation of unmanned aerial vehicles (UAVs) involves setting safety requirements, outlining regulations for the safe flying of drones, and enforcing action against errant users.

References

  1. ↑ "Overview — Title 14 of the Code of Federal Regulations (14 CFR)" (PDF). FAA.gov. Federal Aviation Administration. Archived from the original (PDF) on October 21, 2013. Retrieved December 5, 2013.
  2. ↑ "FAA Order 1320.46C – Advisory Circular System" (PDF). FAA.gov. Federal Aviation Administration. May 31, 2002. Retrieved October 30, 2019.
  3. ↑ "Federal Register :: Request Access". www.ecfr.gov. Retrieved January 21, 2019.
  4. ↑ "Title 14: Aeronautics and Space PART 1 – Definitions". ELECTRONIC CODE OF FEDERAL REGULATIONS. U.S. Government Publishing Office.
  5. ↑ "Title 14: Aeronautics and Space PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES, § 23.3 Airplane categories". ELECTRONIC CODE OF FEDERAL REGULATIONS. U.S. Government Publishing Office.
  6. ↑ "FAA Proposes New Part 23 Airworthiness Certification Standards". National Business Aviation Association. March 14, 2016.
  7. ↑ Part 23 Reform: FAA Releases Final Rule on Small Aircraft Certification
  8. ↑ "Airplane Performance and Airport Data". Archived from the original on October 19, 2016. Retrieved October 19, 2016.
  9. ↑ "Electronic Code of Federal Regulations". ecfr.gpoaccess.gov. Archived from the original on October 6, 2012. Retrieved March 10, 2010.
  10. ↑ Stewart H. Lapayowker, P.A. "The Dilemma of Single Purpose Entities". Business Aviation Lawyer. Retrieved March 10, 2010.
  11. ↑ "FAA AC 91-63C – Temporary Flight Restrictions (TFRs/TFR)". FAA.gov. Federal Aviation Administration. May 20, 2004. Retrieved September 16, 2012.
  12. ↑ Brown, Michael W. (November–December 2003). "TFR: Airspace Obstacles and TFR Trivia. A Pilot's Guide to Understanding Restrictions in Today's National Airspace System" (PDF). Retrieved May 5, 2011.
  13. ↑ "No TFRs for Kerry campaign". Aircraft Owners and Pilots Association Online. August 3, 2004. Archived from the original on December 2, 2008. Retrieved August 23, 2008.
  14. ↑ Thurber, Matt (February 1, 2003). "Meet Big Brother". Aviation Maintenance. Access Intelligence, LLC. Archived from the original on August 8, 2008. Retrieved August 23, 2008.
  15. ↑ Liptak, Kevin; Mattingly, Phil; Bertrand, Natasha; Muntean, Pete; Liebermann, Oren (February 5, 2023). "Inside Biden's decision to 'take care of' the Chinese spy balloon that triggered a diplomatic crisis". CNN. Archived from the original on February 6, 2023. Retrieved February 6, 2023.
  16. ↑ James Williams. "We're on a Mission: Taking the Mystery Out of Temporary Flight Restrictions" (PDF). FAA Safety Briefing. No. May/June 2011. FAA. pp. 16–18. Retrieved May 5, 2011.
  17. ↑ "Federal Aviation Regulation Sec. 91.185 – IFR operations: Two-way radio communications failure". Risingup.com. Retrieved September 26, 2010.
  18. ↑ "FAA sUAS PART 107: THE SMALL UAS RULE" (PDF). faa.gov. Archived from the original (PDF) on November 11, 2018. Retrieved October 9, 2018.
  19. ↑ "Regularly Scheduled Air Carriers (Part 121)" . Retrieved February 18, 2022.
  20. 1 2 3 4 5 "Are JSX And SkyWest Charter Legal? The Fight Over Part 380 and Part 135 – Cranky Flier". August 21, 2023. Retrieved April 19, 2024.
  21. ↑ "Charter-Type Services (Part 135)" . Retrieved May 27, 2022.
  22. ↑ "FAA Part 135 Air Carrier Certification". www.usac.com. Retrieved March 10, 2010.
  23. 1 2 3 4 Jonesyoung, Stephen; Leff, Gary (October 25, 2023). "A Public Interest Comment on Public Charter Operations". George Mason University, Mercatus Center. Retrieved April 18, 2024.
  24. ↑ "Understanding FAR Part 135". August 20, 2013.
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