ASTM_F_3002_-_14a.pdf

Designation:F300214aStandard Specification forDesign of the Command and Control System for SmallUnmanned Aircraft Systems(sUAS)1This standard is issued under the fixed designation F3002;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification is provided as a consensus standard insupport of an application to a nations governing aviationauthority(GAA)for a permit to operate a small unmannedaircraft system(sUAS)for commercial or public use purposes.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2F2910 Specification for Design,Construction,and Test of aSmall Unmanned Aircraft System(sUAS)F2911 Practice for Production Acceptance of a Small Un-manned Aircraft System(sUAS)F3003 Specification for Quality Assurance of a Small Un-manned Aircraft System(sUAS)2.2 EN Standard:3EN 62262 Degrees of protection provided by enclosures forelectrical equipment against external mechanical impacts(IK code)2.3 IEC Standard:3IEC 60529 Degrees of protection provided by enclosures(IPCode)3.Terminology3.1 Definitions:3.1.1 bit error rate detection,BER,nrate at which errorsoccur in a transmission system;applicable to any system thattransmits data over a network of some form in which noise,interference,and phase jitter may cause degradation of thedigital signal.3.1.2 command and control(C2)link(s),nsafety-criticalradio-frequency(RF)link(s)between the ground control sta-tion(GCS)and the unmanned aircraft(UA).3.1.3 C2 range,ndistance between GCS and UA at whichpositive control of the UA can be maintained.3.1.4 downlink,nany RF link from UA to GCS.3.1.5 flight control system,FCS,ncomposed of systemcomponents intended to take GCS commands via a C2 link andcontrol flight control surfaces and propulsion systems.3.1.5.1 DiscussionThe FCS may include autopilotfunctions,lost-link functions,fly-away protection functions,payload functions,and navigation functions.The FCS may becontained in one discrete component or multiple discretecomponents.3.1.6 fly away,nunintended flight outside of operationalboundaries(altitude/airspeed/lateral)as the result of a failure ofthe control element or onboard systems,or both.3.1.7 fly-away protection system,na system that willreturn the UA safely to the surface,or keep the UA within theintended operational area,when the C2 link between the pilotand the UA is lost.3.1.8 ground control station,GCS,na land-or sea-basedcontrol center that provides the facilities for human control ofUA.3.1.9 licensed band,nany frequency or range of frequen-cies in which transmission requires permission from a govern-ing body(for example,the Federal Communications Commis-sion FCC).3.1.10 link error,ndegradation of the digital signal be-tween the GCS and the UA that can be monitored bytechniques including BER detection.3.1.11 link integrity,nacceptable rate of transactions com-pleted with undetected error.1This specification is under the jurisdiction of ASTM Committee F38 onUnmannedAircraft Systems and is the direct responsibility of Subcommittee F38.01on Airworthiness.Current edition approved June 1,2014.Published July 2014.Originally approvedin 2014.Last previous edition approved in 2014 as F3002 14.DOI:10.1520/F3002-14A.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.12 link timeout,ntime between the actual lost-linkevent being validated and the system initiating the lost-linkprocedure.3.1.13 lost link,noccurrence in which the pilot in com-mand(PIC)has lost the ability to control positively the sUASbecause of degradation,loss or interruption of the necessarycontrol or monitoring link(s),or both.3.1.14 manufacturer,nentity responsible for assembly andintegration of components and subsystems to create a safeoperating sUAS.3.1.15 pilot in command,PIC,nthe pilot responsible forthe operation and safety of the UA during flight time.3.1.16 positive control,na condition in which commandedchanges in the UA flight path result in the expected maneu-ver(s)within an expected period of time.3.1.17 smallunmannedaircraftsystem,sUAS,ncomposed of the small unmanned aircraft(sUA)and allrequired on-board sub