Rule of Thumbs

Question 1

Distance from station rule

Answer 1

60:1

Question 2

Slant range error - How far from a DME to be considered usable

Answer 2

1nm (or more) for every 1000’

Question 3

Standard rate turn based on speed

Answer 3

TAS/10+7=Bank°
80/10+7=15°
90/10+7=16°
For ever 10kts of speed from 80kts = 15°+1°

Question 4

Formula to calculate lead or lag error on magnetic compass

Answer 4

1/2Latitude+Bank°

Question 5

True Airspeed increase with altitude

Answer 5

about 10% per 1000’

Question 6

How to figure out hold entry using heading

Answer 6

1. Calculate outbound leg
2. Standard or non standard?
   - 3. Standard = right thumb held before the outbound heading
   - 4. Thumb area is tear drop, after outbound heading for 110° is parallel, then rest is direct
   - 3. Nonstandard = left thumb held after the outbound heading
   - 4. Thumb area is tear drop, after thumb for 180° is direct, rest is parallel