ASTM F3550-22

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F3550 − 22
Standard Guide for
1
Classifying Safety-Related Events
This standard is issued under the fixed designation F3550; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.3 Abnormality—An event or measurement that is not in
the normal statistical population for a system performance
1.1 This standard provides guidance on how to classify
parameter; a new extreme for a system performance parameter;
safety-related events in space flight. In addition, this guide
a load or system performance measurement that is outside the
defines the terms needed for classification, such as their
expected design limits (excludes test flight program data).
severity and impact.
1.2 This standard does not purport to address all of the
3.4 Accident—An event resulting in serious injury (as de-
safety concerns, if any, associated with its use. It is the
fined in 49 CFR 830.2) to a space flight participant or crew
responsibility of the user of this standard to establish appro-
member, or serious injury to ground flight preparation staff or
priate safety, health, and environmental practices and deter-
members of the public, or any damage that is not associated
mine the applicability of regulatory limitations prior to use.
with the flight, and that is not located at the launch site or
1.3 This international standard was developed in accor-
designated recovery area, or an unplanned event occurring
dance with internationally recognized principles on standard-
during licensed activities, or the flight of a launch vehicle
ization established in the Decision on Principles for the
resulting in the known impact of a launch vehicle, its payload,
Development of International Standards, Guides and Recom-
or any of its components outside the designated impact limits
mendations issued by the World Trade Organization Technical
or landing site, as appropriate, for expendable or reusable
Barriers to Trade (TBT) Committee.
vehicles.
2. Referenced Documents
3.5 Accident, Launch:
2
(1) An event that causes a fatality or serious injury (as
2.1 FAA Standard:
defined in 49 CFR 830.2) to any person who is not associated
49 CFR 830.2 Notification and Reporting of Aircraft Acci-
with the flight;
dents or Incidents and Overdue Aircraft, and Preservation
(2) An event that causes damage estimated to exceed
of Aircraft Wreckage, Mail, Cargo, and Records
$25 000 to property not associated with the flight that is not
3. Safety-Related Events List
located at the launch site or designated recovery area;
(3) An unplanned event occurring during the flight of a
3.1 Abort, Flight—The process to limit or restrict the
launch vehicle resulting in the impact of a launch vehicle, its
hazards to public safety, and the safety of property, presented
payload, or any component thereof;
by a launch vehicle or reentry vehicle, including any payload,
(i) For an expendable launch vehicle, outside designated
while in flight by initiating and accomplishing a controlled
ending to vehicle flight. impact limit lines; and
(ii) For a reusable launch vehicle, outside a designated
3.2 Abort, Contingency—Cessation of vehicle flight during
landing site;
ascent or descent in a manner that does not jeopardize public
(4) For a launch that takes place with a person on board, a
healthandsafety,andthesafetyofproperty,inaccordancewith
fatality or serious injury (as defined in 49 CFR 830.2) to a
mission rules and procedures. Contingency abort includes
space flight participant or crew member.
landing at an alternative location that has been designated as a
contingency abort location in advance of vehicle flight.
3.6 Accident, Reentry:
(1) Any unplanned event occurring during the reentry of a
reentry vehicle resulting in the impact of the reentryvehicle,its
1
This guide is under the jurisdiction of ASTM Committee F47 on Commercial
payload, or any component thereof, outside a designated
Spaceflight and is the direct responsibility of Subcommittee F47.05 on Cross-
Cutting. reentry site;
Current edition approved Jan. 1, 2022. Published February 2022. DOI: 10.1520/
(2) An event that causes a fatality or serious injury (as
F3550-22.
2 defined in 49 CFR 830.2) to any person who is not associated
Available from Federal Aviation Administration (FAA), 800 Independence
Ave., SW, Washington, DC 20591, http://www.faa.gov. with the reentry;
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