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Heat Stress Effects Of A Navy Usmc Vs Army Aviator Ensemble In A Uh 6o Helicopter Simulator
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Book Synopsis Heat Stress Effects of a Navy/USMC Vs. Army Aviator Ensemble in a UH-6O Helicopter Simulator by : Matthew Reardon
Download or read book Heat Stress Effects of a Navy/USMC Vs. Army Aviator Ensemble in a UH-6O Helicopter Simulator written by Matthew Reardon and published by . This book was released on 1998-02-01 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: This aviator heat stress study used a between test subjects design with one environmental condition (hot) and two current (U.S. Navy/U.S. Marine Corps vs. U.S. Army) rotary wing MOPP4 ensembles encumbered with additional ballistic protective and overwater survival components. Four U.S. Marine Corps (USMC) aviators (2 UH-60 crews) were tested in the hot condition and their physiological, subjective, and flight performance responses compared to those of 14 Army aviators (9 crews) who tested in the same condition in a previous related study. The environmental condition consisted of 100 deg F (dry bulb) and 20 percent relative humidity (RH) in an environmental chamber where test subjects walked on a treadmill for 20 minutes to simulate preflight outdoor activities, and 100 deg F and 50 percent RH (90 deg F wet bulb globe temperature WBGT) in the UH-60 simulator. Every 30 minutes the right seat pilot encountered instrument meteorological conditions and ascended to 2000 feet to perform a 10 minute set of standard maneuvers. These maneuvers included straight and level (SL), right standard rate turn (RSRT), left climbing turn (LCT), and left descending turn (LDT). After each iteration of the set of standard maneuvers, the pilot returned to nap of the earth (NOE) and contour flight between control points. The right seat pilot also performed up to four 1 minute hovers (HOVs) and hover turns (HOVTs) in the 2 hour sortie and three in the second 2 hour sortie.
Book Synopsis Heat Stress Effects of a Navy/USMC Vs. Army Aviator Ensemble in a UH-60 Helicopter Simulator by : Matthew J. Reardon
Download or read book Heat Stress Effects of a Navy/USMC Vs. Army Aviator Ensemble in a UH-60 Helicopter Simulator written by Matthew J. Reardon and published by . This book was released on 1998 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Heat Stress and an Encumbered Aviator Uniform on Flight Performance in a UH-60 Helicopter Simulator by : Matthew J. Reardon
Download or read book Effects of Heat Stress and an Encumbered Aviator Uniform on Flight Performance in a UH-60 Helicopter Simulator written by Matthew J. Reardon and published by . This book was released on 1997-02-01 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects on flight performance of the four combinations of an unencumbered level-zero MOPP0 aviator battle dress uniform and encumbered MOPP4 over ABDU flight ensemble in cool and hot UH-60 simulator cockpit conditions were evaluated. This report describes the flight performance results. Every 30 minutes, the right seat pilot encountered instrument meteorological conditions and ascended to 2000 feet to perform a 10-minute set of standard maneuvers. After each iteration of the set of standard maneuvers, the pilot returned to nap-of-the-earth (NOE) and contour flight between control points. The right seat pilot also performed four 1-minute hovers (HOVs) and hover turns (HOVTs). The simulator's data acquisition system captured relevant combinations of airspeed, altitude, turn and climb rates, trim, and roll for each type of flight maneuver, as well as cyclic and collective inputs during HOV and HOVT. The encumbered MOPP4 uniform was associated with reduced averaged composite scores (ACS) for five of eight maneuvers. ACS values were significantly lower for 5 of 29 separately scored flight systems parameters. The hot temperature condition reduced the ACS for only one (RSRT) of eight maneuvers. For the iterations of the maneuvers flown with AFOS on, the encumbered MOPP4 ensemble was associated with significantly lower ACS for 3 of 8 maneuvers and 5 of the 29 separately scored flight parameters. With AFCS off, the encumbered MOPP4 uniform significantly degraded the composite ACS for 2 of 4 maneuvers comprising the set of standard maneuvers that were alternately flown with AFCS off and 5 of 17 separately scored flight parameters. The hot temperature was associated with reduced composite ACS values for two of the four flight maneuvers.
Book Synopsis Effects of Heat Stress and an Encumbered Aviator Uniform in a UH-60 Helicopter Simulator by : Matthew J. Reardon
Download or read book Effects of Heat Stress and an Encumbered Aviator Uniform in a UH-60 Helicopter Simulator written by Matthew J. Reardon and published by . This book was released on 1997 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Stress Evaluation of Special Operations Aviation Regiment and Air Warrior Concept 1 and 3 Aviator Ensembles in a UH-60 Simulator by : Matthew Reardon
Download or read book Heat Stress Evaluation of Special Operations Aviation Regiment and Air Warrior Concept 1 and 3 Aviator Ensembles in a UH-60 Simulator written by Matthew Reardon and published by . This book was released on 1999-03-01 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This aviator heat stress study used a mixed between/within test subject design with one environmental condition (hot) and three rotary-wing MOPP4 ensembles (Special Operations Aviation Regiment SOAR), Air Warrior Concept 1, and Air Warrior Concept 3) encumbered with ballistic protection and over- water survival components. The SOAR ensemble was tested with (SC) and without (SX) microclimate cooling (MCC) consisting of a water-cooled undershirt with portable refrigerator/pump. Air Warrior Concept 1 and Concept 3 aviator MOPP4 ensembles were tested with (AC) and without (AX) MCC, respectively. Physiological and subjective data were obtained to compare thermoregulatory responses and quantitate the benefits of microclimate cooling. Test sessions consisted of a 20-minute treadmill walk in a heated (100 deg F and 20 percent relative humidity RH) environmental chamber to stimulate outdoor preflight activities, followed by three 2-hour sorties in a research UH-60 simulator with cockpit conditions set at 1000F and 50 percent RH (90 deg F wet-bulb globe temperature WBGT).
Book Synopsis Physiological and Psychological Effects of Thermally Stressful UH-60 Simulator Cockpit Conditions on Aviators Wearing Standard and Encumbered Flight Uniforms by : Matthew J. Reardon
Download or read book Physiological and Psychological Effects of Thermally Stressful UH-60 Simulator Cockpit Conditions on Aviators Wearing Standard and Encumbered Flight Uniforms written by Matthew J. Reardon and published by . This book was released on 1997 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Microclimate Cooling on Physiology and Performance While Flying the UH-60 Helicopter Simulator in NBC Conditions in a Controlled Heat Environment by :
Download or read book Effects of Microclimate Cooling on Physiology and Performance While Flying the UH-60 Helicopter Simulator in NBC Conditions in a Controlled Heat Environment written by and published by . This book was released on 1992 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of microclimate cooling on aviator performance and physiology in nuclear, biological, and chemical (NBC) individual protective equipment (IPE) were evaluated in the USAARL UH-60 research flight simulator. Sixteen male aviators flew the simulator in two temperature conditions, 95 deg F and 105 deg F, both at 50 percent relative humidity (RH). Two thermoelectric conditioning units were used, one providing cooled blown air, the other cooled water to the aviators. At each temperature, they flew for up to 6 hours in NBC IPE with no cooling, air cooling, and liquid cooling. There was an extra condition at 105 deg F when vent air with no cooling was blown through the air vest, making a total of seven test conditions. There were significant improvements in flight performance as a result of the cooling, more so at the higher temperature. Also, there were differences between the two cooling systems at 105 deg F, with the air system producing significantly lower flight error rates. Survival time was based on the length of time each subject stayed in the condition before reaching physiological withdrawal criteria (rectal temperature of 39 deg C or heart rate of 150 beats per minute for 15 minutes) or exercising their option to retire early. There were considerable increases in survival time with the use of microclimate cooling. The mean survival time at 95 deg F was increased to 385 minutes with the liquid system from 285 minutes without cooling. At 105 deg F to 333 minutes for the air system from 79 minutes with no cooling, the improvement was even more dramatic. There were significant differences between the two cooling systems at 105 deg F with the air system producing longer survival times.
Book Synopsis An Evaluation of Air Warrior Concept Aviator Ensembles With and Without Microclimate Cooling by : Lawrence Katz
Download or read book An Evaluation of Air Warrior Concept Aviator Ensembles With and Without Microclimate Cooling written by Lawrence Katz and published by . This book was released on 1999 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Program Manager, U.S. Army Aircrew Integrated Systems (PM-ACIS) requested that the U.S. Army Aeromedical Research Laboratory (USAARL), Fort Rucker, Alabama, assess the physiological and psychological effects of heat stress exposure for aviators wearing encumbered chemical defense level-4 mission oriented protective posture (MOPP4) ensembles. This project was conducted under a joint agreement between USAARL and the U.S. Army Research Institute of Environmental Medicine (USARIEM), Natick, Massachusetts. The methodology for assessing heat stress in an environmentally controlled helicopter simulator was established in previous studies conducted at USAARL (Reardon et al., 1996; Reardon et al., 1997; Reardon et al., 1998).
Download or read book Aerospace Medicine and Biology written by and published by . This book was released on 1983 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Book Synopsis Marines and Helicopters, 1962-1973 by : William R. Fails
Download or read book Marines and Helicopters, 1962-1973 written by William R. Fails and published by . This book was released on 1978 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microclimate Cooling and the Aircrew Chemical Defense Ensemble by : Glenn Mitchell
Download or read book Microclimate Cooling and the Aircrew Chemical Defense Ensemble written by Glenn Mitchell and published by . This book was released on 1986 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: The psychological, physiological, and operational effects of sustained aviation operations in the standard US Army chemical defense ensemble were studied in six male aviators during continuous 6-day sessions in a hot, humid field environment. Standard aviation mission durations and profiles were flown in a specially-equipped JUH-1H helicopter while wearing level IV mission-oriented protective posture (MOPP IV) garments. A single case design was used to investigate the effects of microclimate cooling devices of both air and liquid medium design. Results show that cooling is not physiologically necessary below cockpit temperatures of 29 C WBGT although subjective benefit was reported. Above 29 C WBGT cockpit temperature with closed aircraft windows and doors, microclimate cooling was necessary to avoid adverse effects of body core temperature increases. Keywords: Aircraft protection, Aircrew chemical protection, Helicopter warfare, NBC protection, Aircraft survivability, Heat stress(physiology), Heat stress(psychology), Microclimate cooling system, Chemical warfare. (MJM).
Book Synopsis Selected Factors Affecting Aircrew Performance During Sustained Operations by :
Download or read book Selected Factors Affecting Aircrew Performance During Sustained Operations written by and published by . This book was released on 1983 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Six recent graduates of initial rotary wing training flew a UH-1H helicopter for up to 4 hours while wearing each of three clothing ensembles. Each aviator wore the standard flight suit, the US chemical defense (CD9 ensemble, and the United Kingdom (UK) CD ensemble in hot weather (mean WBGT 29C) . Skin temperatures (chest, thigh, upper arm, and calf), rectal temperature, heart rate, and preflight and postflight body weights were recorded. Cognitive testing was conducted preflight, postflight, and on non-flight days. Aviator performance measures were also obtained during flight. Well acclimatized aviators were able to fly at least 2 hours without serious physiological impairment. Three of the six aviators terminated flight for medical reasons (heart rates>140 bpm or nausea) while wearing the US ensemble. In this study the susceptible subjects tended to be older and heavier. Heart rate was judged to be the most sensitive indicator of heat stress. Cognitive testing and flight performance data obtained during this exercise did not demonstrate changes as a function of the type of flight ensemble worn during the test, nor did flight performance serve as a predictor of heat stress. Further investigations are required to verify the validity of these measures as indicators of heat loading in the operational setting.
Book Synopsis Computer Simulation Model of Cockpit Crew Coordination by : William E. Griffith
Download or read book Computer Simulation Model of Cockpit Crew Coordination written by William E. Griffith and published by . This book was released on 1991 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance Impact of Current United States and United Kingdom Aircrew Chemical Defense Ensembles by :
Download or read book Performance Impact of Current United States and United Kingdom Aircrew Chemical Defense Ensembles written by and published by . This book was released on 1982 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Six male volunteers from the graduating entry level flight program at the US Army Aviation Center (USAAVNC), Fort Rucker, Alabama, served as subjects in an investigation of the ability of helicopter pilots to fly while wearing chemical defense (CD) ensembles in hot weather. Each subject flew on three separate days, wearing a different ensemble each day. The ensembles tested were the United States Army Aircrew chemical defense ensemble, the United Kingdom aircrew chemical defense ensemble, and the United States Army standard flight suit uniform. While subjects made statistically larger heading errors while wearing the US chemical defense ensemble, no operationally significant differences in performance were seen. It was also concluded that a pilots's performance was not an indicator of heat stress.
Book Synopsis Physiological and Subjective Responses to Wearing the A/P22P-9(V) Helicopter Aircrewman Chemical, Biological Protection Ensemble by :
Download or read book Physiological and Subjective Responses to Wearing the A/P22P-9(V) Helicopter Aircrewman Chemical, Biological Protection Ensemble written by and published by . This book was released on 1992 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Naval Air Warfare Center evaluated the physiological and subjective responses of 28 aircrew wearing the A/P22P-9(V) USMC Helicopter Aircrewman Chemical, Biological (CB) Protection Ensemble during warm/hot weather ground and flight testing in four USMC helicopter types. Ground testing evaluated fit, donning and doffing, flight equipment compatibility, mobility, dexterity, ingress, egress, emergency egress, water survivability, crewstation compatibility, and repeated preflight inspections in CH-53, CH-46, UH-1N, and AH-1 helicopters. CH-53 and UH-1N flight testing compared three clothing configurations (the A/P22P-9(V), A/P22P-9(V) above-the-neck respirator assembly only, and standard flight clothing) and two test conditions (4-hr flight profile without D/T and preflight inspections). During three summers of A/P22P-9(V) testing (1988-1990), aircrew completed 44 test trials and 142 hr wear time. Ambient temperatures ranged from 22 deg (72 deg F) in the ready room to 40 deg C (104 deg F) in flight. (Author).
Book Synopsis Heat Stress Induced by the Navy Fire Fighter's Ensemble Worn in Various Configurations by : Nancy A. Pimental
Download or read book Heat Stress Induced by the Navy Fire Fighter's Ensemble Worn in Various Configurations written by Nancy A. Pimental and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transport Helicopters: The Achilles Heel Of Maneuver Warfare by : Major Joel P. Kane USMC
Download or read book Transport Helicopters: The Achilles Heel Of Maneuver Warfare written by Major Joel P. Kane USMC and published by Pickle Partners Publishing. This book was released on 2014-08-15 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine Corps' publication FMFM 1 describes Marine Corps doctrine on warfighting. In very broad terms, chapter 4 of Warfighting attempts to identify the challenges and realities of the modern battlefield. Marine Corps' doctrine attempts to exploit “the time-competitive rhythm of war, generating and exploiting superior tempo and velocity in an uncertain, chaotic, fluid environment.” The Marine Corps employs a combined arms team to generate the combat power needed to succeed in this environment. This combined arms team is the Marine Air Ground Task Force (MAGTF).The largest deployable MAGTF is the Marine Expeditionary Force (MEF). The MEF is normally employed as a maneuver element for a larger Joint Task Force (JTF). Like the U.S. Army, the Marine Corps selected maneuver warfare as its warfighting philosophy. In theory, the MEF Commander could be a JTF Commander and could conduct operational level maneuver with his MEF and any other assigned forces. Unfortunately, the MEF cannot effectively conduct operational maneuver against a medium to high intensity threat with its current mix of assault transport helicopters. Simply stated, the Marine Corps transport helicopter fleet is not capable of supporting maneuver warfare as envisioned in FMFM 1 or Forward... From the Sea. Based upon the current Five Year Defense Plan (FYDP) and the current Marine Aviation Plan, our transport helicopters will remain the Achilles Heel of maneuver warfare in the 21st Century.
