Last month, we gave you a survey course on what happens behind the scenes of approach procedures (“TERPS 101”). That’s a prerequisite for this course, since we’re going to build on what was covered in that article to examine the nuts and bolts of other types of procedures. In case you didn’t complete the prerequisite, let’s quickly go over what you need to know.
TERPS 201
Last month, we gave you a survey course on what happens behind the scenes of approach procedures (TERPS 101). Thats a prerequisite for this course, since were going to build on what was covered in that article to examine the nuts and bolts of other types of procedures. In case you didnt complete the prerequisite, lets quickly go over what you need to know.
Key Takeaways:
- TERPS (Terminal Instrument Procedures) are fundamental safety rules for instrument flight procedures, defining Obstacle Evaluation Areas (OEAs) and Required Obstacle Clearance (ROC) to ensure pilot safety.
- Various instrument segments like en-route, STARs, feeders, and departure procedures (diverse, ODPs, VCOAs) have specific TERPS criteria for obstacle protection, utilizing different OEA constructions, constant ROCs, and mitigation strategies such as published climb gradients or visual requirements.
- Departure procedures include specific evaluations like the 40:1 sloping OCS for diverse departures and methods to address low, close-in obstacles, distinguishing regulatory ODPs from non-regulatory SIDs.
- The application of TERPS is not entirely uniform across all procedures due to the use of waivers, development of special procedures, and the principle that older procedures compliant at their last update remain valid, leading to varied criteria in use.
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