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|name = Geotechnical engineering |title = Topics in [[geotechnical engineering]]

| qualifier = about a [[civil engineering]] topic | category = Civil engineering stubs

...le is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. --> ...1 was used as a communications aircraft by Reid and Sigrist, retaining its civil registration but flying in green/brown camouflage until the sole prototype