8.1 Flight Prep

Question 1

What are the minimum flight altitudes? When can you go below them?

Answer 1

MSA, MRA, MOCA, MORA

1. When under ATS vectoring, above MVA
2. When conducting published instrument APP or holding pattern
3. On climb following departure/ missed APP
4. Following company OEI procedures
5. Visual APP following company procedures
6. Diverting following Enroute Diversion Guide

Question 2

What is NTOFP?

Answer 2

Net Takeoff Flight Path requires minimum 35ft Takeoff Obstacle Clearance.

Reflected in RTOW, deciding factors:

1. Aircraft weight
2. Pressure ALT
3. Ambient TEMP
4. No more 50% HWC, No less 150% TWC
5. Rwy surface condition
6. Aircraft performance

Question 3

CX MRA vs Grid MORA?

Answer 3

MRA is derived from MORA, adding 1000’ buffer.

Up to 5000’ obstacle - 1000’ (+1000’) = 2000’

5001’ and above - 2000’ (+1000’) = 3000’