in-flight relief, crew rest area, in flight rest facility, crew rest facility, flight relief facility, relief flight, mercy flight, pre-flight actions for IFR flights, pre-flight checks for IFR flights, pre-flight procedures for IFR flights, preparation activities for IFR flights, corollary relief judgment, ancillary relief judgment, judgment for corollary relief, judgment for ancillary relief, corollary relief judgement, ancillary relief judgement, judgement for corollary relief, judgement for ancillary relief, support flight check activities, support flight checks to ensure safety of aircraft, assist in the conducting of flight checks, cathode ray tube-based flight deck, cathode ray tube-configured flight deck, CRT based flight deck, CRT configured flight deck, draw up flight dispatch release, draw up official flight authorisation documentation, complete official flight authorisation documentation, prepare flight dispatch release, space navigation, manned space flight, space flight, space travel(GEMET), Space flight(STW), space flight(UNBIS), UNRWA, United Nations Relief and Works Agency, UN Relief and Works Agency for Palestine Refugees, UNRWAPRNE, pressure relief valve, PRV, safety relief valve, SRV, relief valve, RV, pressure valve, surge relief valve, surge valve, low relief, low-relief, bas-relief, tax relief, relief from taxes, tax abatement, tax advantage, tax allowance, tax concession, tax credit, tax deduction, tax reduction, Tax incentive(STW), tax credits(UNBIS), tax deductions(UNBIS), Fall from aircraft in flight, Accident to powered aircraft in flight, Acute:crisis reaction, reaction to stress, Combat fatigue Crisis state Psychic shock, Mania with:mood-congruent psychotic symptoms, mood-incongruent psychotic symptoms, Manic stupor, Fire on powered aircraft while in flight, contour flight, contour flying, low-level flight, terrain flight, nap-of-the-earth flight, stalking flight, nap-of-the-earth flight, contour flight, flight, N.O.E, Nap-of-the-earth flight, Terrain flight -*- suppléance en vol, poste de repos d'équipage, aire de repos de l'équipage, installation de repos, mission aérienne de secours, vols de secours, procédures de pré-vol pour vols IFR, jugement sur les mesures accessoires, poste de pilotage doté d'écrans, préparer l'autorisation de régulation des vols, navigation spatiale, vol spatial, vol spatial habité, UNRWA, Délégué des oeuvres d'entr'aide internationale (2), soupape de sécurité, soupape de sûreté, soupape de surpression, bas-relief, déduction fiscale, abattement fiscal, allégement d'impôts, allégement fiscal, avantage fiscal, avoir fiscal, crédit d'impôt, dégrèvement fiscal, réduction d'impôt, réduction fiscale, chute d'un avion en vol, accident d'un avion motorisé en vol, stress, non congruents à l'humeur, Stupeur maniaque, incendie à bord d'un avion motorisé en vol, vol à couvert, vol fugitif (1), vol rampant (2), vol tactique