The word 'heliport' is a singular, common, concrete noun; a word for a place designed for helicopters to land and take off. The noun heliport is not a compound noun because 'heli-' is not a word, it is a prefix.
heliport
The helicopter just landed in the heliport.
Tresco Heliport was created in 1983.
Amsterdam Heliport was created in 2005.
Værøy Heliport was created in 1997.
lets stop at the heliport first before lunch
The airport code for Xewkija Heliport is GZM.
The airport code for Narsaq Heliport is JNS.
The airport code for Ittoqqortoormiit Heliport is OBY.
The airport code for Nanortalik Heliport is JNN.
The airport code for Tresco Heliport is TSO.
The airport code for Nuussuaq Heliport is NUS.