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Chapter 11: Night Operations Airplane Flying Handbook (FAA-H-8083-3C) Audiobook New 2021
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00:00:00 Introduction
00:02:27 Night Vision
00:09:47 Night Illusions
00:12:57 Pilot Equipment
00:14:52 Airplane Equipment and Lighting
00:21:08 Training for Night Flight
00:21:58 Preparation and Preflight
00:23:47 Starting, Taxiing, and Run-up
00:25:55 Takeoff and Climb
00:28:21 Orientation and Navigation
00:30:17 Approaches and Landings
00:33:30 How to Prevent Landing Errors Due to Optical Illusions
00:36:23 Chapter Summary

Chapter 11: Night Operations
Chapter Summary.
Night operations present additional risks that pilots should identify and assess.
Night flying operations should not be encouraged or attempted, except by pilots that are certificated, current, and proficient in night flying.
Prior to attempting night operations, pilots should receive training and be familiar with the risks associated with night flight and how they differ from daylight operations.
Even for experienced pilots, night VFR operations should only be conducted in unrestricted visibility, favorable winds, both on the surface and aloft, and no turbulence.
Additional information on pilot vision and illusions can be found in FAA brochure AM-400-98/2 at www.faa.gov/pilots/safety/pilotsafetybrochures/ and also in Chapters 2 and 17 of the Pilot’s Handbook of Aeronautical Knowledge (FAA-H-8083-25) at www.faa.gov.
Additional information on lighting aids can be found in Chapter 2 of the Aeronautical Information Manual (AIM), which can be accessed at www.faa.gov.

Introduction.
The mechanical operation of an airplane at night is no different than operating the same airplane during the day.
The airplane does not know if it is being operated in the dark or in bright sunlight.
It performs and responds to control inputs by the pilot.
The pilot, however, is affected by various aspects of night operations and should take them into consideration during night flight operations.
Some are actual physical limitations affecting all pilots.
Others, such as equipment requirements, procedures, and emergency situations, should also be considered.
According to 14 CFR part 1, section 1.1, Definitions and Abbreviations, “night” means the time between the end of evening civil twilight and the beginning of morning civil twilight, as published in the Air Almanac, converted to local time.
To explain further, the National Weather Service defines evening civil twilight as the time that begins in the morning, or ends in the evening, when the geometric center of the sun is 6 degrees below the horizon.
Therefore, morning civil twilight begins when the geometric center of the sun is 6 degrees below the horizon, and ends at sunrise.
Evening civil twilight begins at sunset and ends when the geometric center of the sun is 6 degrees below the horizon.
The FAA has an online tool to calculate sunrise, sunset, and civil twilight for any given location.
For 14 CFR part 61, section 61.57(b)(1) night operations that meet recent flight experience requirements, the term “night” refers to the time period beginning 1 hour after sunset and ending 1 hour before sunrise.
The same regulation requires that during those hours, no person may act as pilot-in-command (PIC) of an aircraft carrying passengers unless within the preceding 90 days and during those specified hours, that person has made 3 takeoffs and landings to a full stop.
14 CFR part 61, sections 61.57(b)(1)(i) and (ii) require the pilot to have made the required takeoffs and landings acting as the sole manipulator of the controls, and to have performed the takeoffs and landings in an aircraft of the same category, class, and type (if a type rating is required).
Other conditions apply if using a full flight simulator to meet the requirement as described in 14 CFR part 61 (section 61.57(b)(2)) or if seeking to use another alternative provided in the regulation.
Night flying operations should not be encouraged or attempted except by certificated pilots with knowledge of and experience in the topics discussed in this chapter.
Night Vision.
Due to the physiology of the eye , humans experience diminished vision in low-light conditions.
Because vision involves the eyes and brain working together, understanding eye function leads to pilot behaviors that can improve night vision significantly.
Anatomy of the Eye
Light from an object enters the eye through the cornea and then continues through the pupil.
The opening (dilation) and closing (constriction) of the pupil is controlled by the iris, which is the colored part of the eye.
The function of the pupil is similar to that of the diaphragm of a photographic camera: to control the amount of light.