inboard
1. [ adjective ] located within the hull or nearest the midline of a vessel or aircraft
Examples:

"the inboard flaps on the wing"

Related terms: outboard
Similar spelling:   Invar
  infrared
  informed
  inpour
  inform
  inborn
  infarct
  informer
  informal
  invariant
  inpouring
  infra
  informing
  informant