Remove Clearance Remove Instrument Landing System Remove Threshold
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VASI vs. PAPI: Understanding the Differences and Similarities

Pilot Institute

This system of lights is visible from 3-5 miles during the day and 20 miles at night. Using the VASI is crucial as it gives you safe obstruction clearance within 10 degrees of either side of the runway centerline and around four nautical miles from the runway threshold. nautical miles from the runway threshold.

Runway 98
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Experience in the Chair: Guiding a Twin Beech Home

Air Facts

The longest runways had front course and back course ILS (Instrument Landing Systems) and an on-field VOR that provided navigation and approach capabilities for aircraft on instrument flights. Terrain clearance became my biggest concern with only an estimate of his distance to the east. The Tower had no radar.

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RNAV Approaches Simplified: A Guide for New Pilots

Pilot Institute

Theyre especially useful for airports that dont have the budget or suitable terrain to install an Instrument Landing System (ILS). This makes more airports accessible under Instrument Flight Rules (IFR). The minima table lists the DA and Height Above Threshold for each type of RNAV approach.