Night Ops

Question 1

2 types of light-sensitive cells in retina of eye

Answer 1

rods and cones

Question 2

what is function of the cones, and where are they in the eye

Answer 2

used to detect color, detail, far away things. located in center of retina. (less send to light)

Question 3

function of rods and where in eye are they

Answer 3

detect objects that are moving out of peripherals. back of eye/retina

Question 4

Avg time it takes for rods and cones to adapt to darkness

Answer 4

cones - 5-10 min. rods - 30 min

Question 5

What should pilot do to accommodate to changing light conditions

Answer 5

avoid bright lights and allow enoughg time for eyes to adapt to low level lights

Question 6

examples of illusions related to ground lighting conitions

Answer 6

1. stationary lights might be mistaken for stars or oter aircraft.
2. black hole approach where coming to land and no leading lights until runway

Question 7

What illusion during takeoff makes u feel as if u have too high nose up attitude?

Answer 7

Somatogravic illusion caused by rapid acceleration during takeoff.

Question 8

When approaching at a well lit runway surrounded by dark area what illusion should pilot be aware of?

Answer 8

Featureless terrain illusion

Question 9

What should pilot do to maintain good eyesight?

Answer 9

keep physical condition good. EX: vitamin deficiency alcohol, stimulants medication can diminish eyesight

Question 10

What can pilot do to improve effectiveness of vision at night?

Answer 10

Adapt eyes to night(30 min), close one eye when exposed to bright light, dont wear sunglasses after sunset, move eyes more slowly than in daylight

Question 11

Equipmnet should pilots have for night flight?

Answer 11

Flashlight white/red/blue to read charts, batteries, aeronautical charts

Question 12

Explain arrangement and interpretation of position lights on aircraft?

Answer 12

Red is on the left wingtip. Green light on right wingtip. White light on tail. (Know which lights u see too, from, right and left)

Question 13

When are position lights req. to be on?

Answer 13

sunset to sunrise

Question 14

When aircraft is opperated in or close proximity to night opp area, what is required of an aircraft?

Answer 14

1. Clearly Illuminated
2. Have lighted position lights or be in area marked by obstruction lights

Question 15

Are aircraft anticollision lights req to be on during night flight opp?

Answer 15

Yes

Question 16

3 Definitons of night?

Answer 16

1. CFR 1.1 - time b/w end of evining civil twihlight and beginning of morning civil twilight. Use when loggining night flight time
2. CFR 61.57 - one hur after sunset and before sunrise. Use when determnining currency to act as PIc to carry passengers.
3. CFR 91.209 - sunset to sunrise. Use to determine when req to have anti-collision lights on.

Question 17

What are runway end indicator lights (REIL)?

Answer 17

indicate end of runway to provode rapid and positive identification of end of runway.

Question 18

Describe runway edge light system?

Answer 18

Outline runways during darkness, are white.

Question 19

What are the different taxiway lights?

Answer 19

Taxiway edge lights - blue
Taxiway centerline lights- steady green lights
Clearance bar lights - steady burning yellow lights
runway guard lights- either side, flashing lights, or yellow
Stop bar lights - used to confirm atc clearance to enter or cross active runway, elevated red lights `

Question 20

different types of rotating beacons used to identify airports?

Answer 20

White and green, also just green alone - lighted land airport
White and yellow, also just yellow stone - lighted water airport
2 White then green - military