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VOR and NDB approaches are being replaced by _________

(a) RADAR

(b) RNAV

(c) TACAN

(d) CAT

I got this question in final exam.

The query is from Aviation Communication Systems in portion Aviation Communication Systems of Aircraft Maintenance

1 Answer

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Best answer
The correct option is (b) RNAV

Easy explanation: Newer RNAV approach procedures are replacing the older VOR and NDB approaches. These newer systems are however expensive and involve high maintenance costs. They may also be referred to as GPS.

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