lighter-than-air vehicles - Defense Innovation Marketplace

Table 25: HiSentinel 80 Technical SpecificationsLength: 194 ft.Diameter: 43 ft.Volume: 212,800 cu. ft.Max Payload: 80 lbs.Payload Type: ISRFigure 39: HiSentinel 80 Detailed Profile 39Flight ceiling: 60,000 ft.Duration: 24 hours (8 hrs. in actual test)Cruise Speed: 15–26 kts.Mass: 800 lbs.Payload Power Available: 50 WThe payload package used on the HiSentinel80 is the same as the payload used on theSMDC’s other HAA program (HALE-D),which consists of an ITT hi-resolutionelectro-optical system, a Thales MMARprototype, and an L3 CommunicationsMCDL. 37A flight test of HiSentinel 80 was conductedin November 2010 to achieve the targetaltitude, speed and duration, as well asattempt to maintain station-keepingcapability. During the test the airshipexperienced propulsion failure and landedeight hours into a planned 24-hour mission. 4HiSentinel was initiated in FY96 withfunding from Army SMDC. Fundingexpired in FY10 and no plans have beenmade to fund the project in the future.46