ASTM F2356-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F 2356 – 04
Standard Specification for
Production Acceptance Testing System for Lighter-Than-Air
1
Light Sport Aircraft
This standard is issued under the fixed designation F 2356; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.1.1 Lighter-than-Air Airships—Fifteen minutes flight
time, including at least one takeoff and landing, trimming of
1.1 This specification covers production acceptance test
flight controls, and verification of control for left turn, right
requirements for the manufacture of lighter-than-air light sport
turn, ballonet systems (if installed), vectoring systems (if
aircraft.
installed), and instrument/indicator operation.
1.2 This standard does not purport to address all of the
3.2.1.2 Hot Air Balloons—Fifteen minute static inflation at
safety concerns, if any, associated with its use. It is the
gross load/ambient temperature, including operational tests of
responsibility of the user of this standard to establish appro-
all vents, valves, burner operation, and suspension system.
priate safety and health practices and determine the applica-
3.2.1.3 Gas/Hybrid (Gas—Thermal Type) Balloons—Air
bility of regulatory limitations prior to use.
pressurized inflation to manufacturer’s maximum in-flight
2. Terminology
envelope pressure, including operational tests of all valves,
controls, etc. Suspension systems will be static tested by
2.1 Definitions:
suspending at gross load to verify all suspension components.
2.1.1 airship—engine-driven lighter-than-air aircraft that
3.3 Post Flight Acceptance:
can be steered.
3.3.1 There shall be a written procedure in effect to perform
2.1.2 balloon—lighter-than-air aircraft that is not engine-
post flight inspection that will review all flight critical attach-
driven, and that sustains flight through the use of either gas
ments and structures.
buoyancy or an airborne heater, or both.
3.3.2 The reviewing personnel shall sign all post flight
2.1.3 lighter-than-air aircraft—aircraft that can rise and
review documents.
remain suspended by using contained gas weighing less than
3.4 Documentation:
the air that is displaced by the gas and includes dynamic lift
3.4.1 There shall be a written procedure in effect to properly
aircraft that derive as much as 20 % of their lift from
document and store the production acceptance test results such
something other than buoyancy.
that they are correlated to the specific aircraft for future
3. Significance and Use
reference.
3.5 Test Failures:
3.1 The purpose of this specification is to provide the
3.5.1 There shall be a written procedure in effect to review
minimum requirements for the establishment of a ground and
the causes for any aircraft failures in the production acceptance
flight test program for verifying the initial (first run) production
tests phases. Aircraft may only be released for retest after
aircraft meets certain operational perfor
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