NDB hold needle indications
60* to go = Needle is buried
30* = 5-10* past
Parallel entry headwind/tailwind correction
150% headwind and 100% of tailwind
Drift to apply in the hold
2x drift from non holding side
3x drift from holding side but only 2x drift when wind is within 30*
VOR Needle Indications
60* to go = 10* to go till inbound
30* to go = 3* to go till inbound