90 He lic opter suppor ted r ec onnais s ance pr o g r ams c ommonl y inv ol v e landin g ho v er in g v ac a t in g enter in g unloadin g or loadin g a he lic opter in unde si gna ted landin g site s T he se ar e po tent iall y ha z ar dous oper a t ions t ha t r equir e a hi g h de g r ee of c ooper a t ion and t r us t be t w een pilo t and pa s sen g er s N o per sonne l should f ee l pr e s sur ed to c onduc t t he se oper a t ions and ne v er pr e s sur e a r e luc t ant pilo t to par t icipa te P assenger Briefng Pilo t R esponsibility The pilo t must thor oughly brief each passenger concerning saf e ty pr ocedures If the pilo t neglects t o pr o vide a briefng and y ou are unf amiliar with pr ocedures do no t hesitat e t o ask f or the inf or mation bef ore an emergency arises Briefngs should be repeat ed freq uently thr oughout a sustained operation t o combat com placency and when a ne w pilo t is as signed t o the air craf t The saf e ty briefng should include but no t be limit ed t o Air craf t description Appr oac h ing and depar ting Hazar d s of m ain r o t or and tail r o t or Cr ouch position Ey e contact with pilo t Sloping gr ound Obstacles Pilo ts feld of vie w Commu nication Use of headse t Hand signals