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PVT Regulations

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  1. Part 61 Regulations

    §61.3 Requeriments for certificates
  2. §61.19 Duration of pilot certificates
  3. §61.23 Medical Certificates: Requirement and Duration
  4. §61.31 Type Rating and additional training requirements
  5. §61.51 Pilot Logbooks
  6. §61.56 Flight Review
  7. §61.57 Recent flight experience: Pilot in command
  8. §61.60 Change of address
  9. §61.103 - Eligibility requirements
  10. §61.113 Private pilot privileges and limitations
  11. Part 91 Regulations
    §91.3 Responsibility and authority of the pilot in command
  12. §91.7 Civil aircraft airworthiness
  13. §91.9 Civil aircraft flight manual, marking, and placard requirements
  14. §91.13 Careless or reckless operation
  15. §91.15 Dropping objects
  16. §91.17 Alcohol or drugs
  17. §91.21 Portable electronic devices
  18. §91.103 Preflight action
  19. §91.105 Flight crewmembers at stations
  20. §91.107 Use of safety belts and shoulder harnesses
  21. §91.109 Flight instruction; Simulated instrument flight
  22. §91.111 Operating near other aircraft
  23. §91.113 Right-of-way rules: Except water operations
  24. §91.117 Aircraft speed
  25. §91.119 Minimum safe altitudes: General
  26. §91.121 Altimeter settings
  27. §91.123 Compliance with ATC clearances and instructions
  28. §91.125 ATC light signals
  29. §91.144 Temporary restriction on flight operations during abnormally high barometric pressure conditions
  30. §91.151 Fuel requirements for flight in VFR conditions
  31. §91.155 Basic VFR weather minimums
  32. § 91.157 Special VFR weather minimums
  33. §91.159 VFR cruising altitude or flight level
  34. §91.203 Civil aircraft: Certifications required
  35. §91.205 Instrument and equipment requirements
  36. §91.207 Emergency locator transmitters
  37. §91.209 Aircraft lights
  38. §91.211 Supplemental oxygen
  39. §91.213 Inoperative instruments and equipment
  40. § 91.215 ATC transponder and altitude reporting equipment and use
  41. §91.409 Inspections
  42. §91.413 ATC transponder tests and inspections
  43. NTSB 830
    §830.1 Applicability
  44. §830.2 Definitions
  45. §830.5 - Immediate notification
  46. §830.6 - Information to be given in notification
  47. Miscellaneous
    Part 43 Appendix A Part C
  48. References
Lesson 40 of 48
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§ 91.215 ATC transponder and altitude reporting equipment and use

Mateo Espin January 17, 2021

§ 91.215 ATC transponder and altitude reporting equipment and use

(b) All airspace. Unless otherwise authorized or directed by ATC, no person may operate an aircraft in the airspace described in paragraphs (b)(1) through (b)(5) of this section, unless that aircraft is equipped with an operable coded radar beacon transponder having either Mode 3/A 4096 code capability, replying to Mode 3/A interrogations with the code specified by ATC, or a Mode S capability, replying to Mode 3/A interrogations with the code specified by ATC and intermode and Mode S interrogations in accordance with the applicable provisions specified in TSO C-112, and that aircraft is equipped with automatic pressure altitude reporting equipment having a Mode C capability that automatically replies to Mode C interrogations by transmitting pressure altitude information in 100-foot increments. This requirement applies –

(1) All aircraft. In Class A, Class B, and Class C airspace areas;

(2) All aircraft. In all airspace within 30 nautical miles of an airport listed in appendix D, section 1 of this part from the surface upward to 10,000 feet MSL;

(d) ATC authorized deviations. Requests for ATC authorized deviations must be made to the ATC facility having jurisdiction over the concerned airspace within the time periods specified as follows:

(1) For operation of an aircraft with an operating transponder but without operating automatic pressure altitude reporting equipment having a Mode C capability, the request may be made at any time.

(2) For operation of an aircraft with an inoperative transponder to the airport of ultimate destination, including any intermediate stops, or to proceed to a place where suitable repairs can be made or both, the request may be made at any time.

(3) For operation of an aircraft that is not equipped with a transponder, the request must be made at least one hour before the proposed operation.


For more information refer to §91.215