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.
Værøy Heliport was created in 1997.
Amsterdam Heliport was created in 2005.
Tresco Heliport was created in 1983.
lets stop at the heliport first before lunch
The airport code for Qeqertarsuaq Heliport is JGO.
The airport code for Xewkija Heliport is GZM.
The airport code for Nanortalik Heliport is JNN.
The airport code for Ceuta Heliport is JCU.
The airport code for Værøy Heliport is VRY.
The airport code for Nuugaatsiaq Heliport is NUG.