text: Glossary
  NAVAID navigation aid
  NCO noncommissioned officer
  night vision goggles an image-intensification device that improves visibility in low light situations
  by amplifying available light
  NLT not later than
  NM nautical miles
  no-load condition a situation in which the sling legs are under no tension
  no-sew fitting a web keeper secured in place by a locking fork
  NSN national stock number
  NVD night vision device
  NVG night vision goggles
  nylon donut a ring formed by joining two ends of a flat, web-nylon strap using a Type IV
  link or two-point link connector
  OCA offensive counterair
  OPCON operational control
  OPORD operation order
  oscillate to swing back and forth like a pendulum
  OTN own the night
  overfly to fly over; to pass over in an airplane
  pendant a releasable swivel hook. That is, a high-strength sling constructed of multiple
  plies of nylon webbing with a remotely operated, manually released, full
  360-degree swivel hook
  pendant cargo a cargo hook that is connected to the end of a strap and suspended below the
  hook fuselage
  PEPI personnel point impact
  permanent keeper a web keeper that encircles all of the loops of a nylon web strap and is either
  sewn or otherwise retained in place
  phraseology a manner of organizing words and phrases into longer elements; a choice of
  words
  PI point of impact
  PIBAL pilot balloon
  pickup zone landing site designated where an aircraft picks up passengers or cargo
  piggyback load cargo suspended below a slingload such as a cargo net carried beneath a
  howitzer
  POL petroleum, oils, and lubricants
  port side the left-hand side (as one looks forward)
  preclude to make impossible by necessary consequence; to rule out in advance
  preplanned mission a task or support in accordance with a program planned in advance of
  the operation
  proword procedure word; a word or phrase limited to radio telephone procedure used to
  facilitate communication by conveying information in a condensed standard
  form.
  PSP perforated steel planking
  PZ pickup zone