IL.VII.B.S7

From the FAA library

• Aeronautical Information Manualp. 7-2-3
  Chapter 7. Safety of Flight › Section 2. Barometric Altimeter Errors and Setting Procedures › 7-2-3. Altimeter Errors

  Service Center contact information can be found at: https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/mission_support/sc. 2. At or above 18,000 feet MSL. All operators will set 29.92 “Hg. (standard setting) in the barometric altimeter. The lowest usable flight level is determined ... Control (ATC) will assign this flight level. TBL 7-2-1 Lowest Usable Flight Level 3. When the minimum altitude per 14 CFR section 91.159 and 14 CFR section 91.177 is above 18,000 feet MSL, the lowest usable flight…

• Aeronautical Information Manualp. 8-1-5
  Chapter 8. Medical Facts for Pilots › Section 1. Fitness for Flight › 8-1-3. Hyperventilation in Flight

  altitude decompression sickness due to evolved nitrogen gas can occur during exposure to reduced barometric pressure (i.e., low cabin pressure) associated with increased altitude and may lead to a serious inflight emergency. 2. The recommended wait time before going ... flight altitudes up to 8,000 feet is at least 12 hours after diving that did not require a controlled ascent (i.e., non-decompression stop diving), and at least 24 hours after diving that required a controlled ascent (i.e., decompression…

• Aeronautical Information Manualp. 3-1-2
  Chapter 3. Airspace › Section 1. General › 3-1-4. Basic VFR Weather Minimums

  statute miles 1,000 feet below 1,000 feet above 1 statute mile horizontal Class G 1,200 feet or less above the surface (regardless of MSL altitude). For aircraft other than helicopters: Day, except as provided ... statute mile Clear of clouds 3 statute miles 500 feet below 1,000 feet above 2,000 feet horizontal Night, except as provided in §91.155(b) . . . . . . . . . . . . . . More than 1,200 feet above the surface but less than 10,000 feet…

• Aeronautical Information Manualp. PCG H-3
  Pilot/Controller Glossary › H

  with a history of potential risk of collision or runway incursion, and where heightened attention by pilots/drivers is necessary. HOVER CHECK- Used to describe when a helicopter/VTOL aircraft requires a stabilized hover to conduct a performance/power check prior to hover ... taxi, air taxi, or takeoff. Altitude of the hover will vary based on the purpose of the check. HOVER TAXI- Used to describe a helicopter/VTOL aircraft movement conducted above the surface and in ground effect at airspeeds less than approximately…

• Aeronautical Information Manualp. 4-4-4
  Chapter 4. Air Traffic Control › Section 4. ATC Clearances and Aircraft Separation › 4-4-6. Special VFR Clearances

  When a control tower is located within the Class B, Class C, or Class D surface area, requests for clearances should be to the tower. In a Class E surface area, a clearance may be obtained from the nearest tower ... detail to permit ATC to fit their flight into the traffic flow. The clearance will not contain a specific altitude as the pilot must remain clear of clouds. The controller may require the pilot to fly at or below…

• Aeronautical Information Manualp. 6-4-1
  Chapter 6. Emergency Procedures › Section 4. Two-way Radio Communications Failure › 6-4-1. Two-way Radio Communications Failure

  advised may be expected in a further clearance by the route filed in the flight plan. (b) Altitude. At the HIGHEST of the following altitudes or flight levels FOR THE ROUTE SEGMENT BEING FLOWN: (1) The altitude or flight level ... assigned in the last ATC clearance received; (2) The minimum altitude (converted, if appropriate, to minimum flight level as prescribed in 14 CFR section 91.121(c)) for IFR operations; or (3) The altitude or flight level ATC has advised…