ASTM F2356-05a

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F 2356 – 05a
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, and so forth. Suspension systems will be static tested
2.1 Definitions:
by suspending at gross load to verify all suspension compo-
2.1.1 airship—engine-driven lighter-than-air aircraft that
nents.
can be steered.
3.3 Post Flight Acceptance:
2.1.2 balloon—lighter-than-air aircraft that is not engine-
3.3.1 There shall be a written procedure in effect to perform
driven, and that sustains flight through the use of either gas
post flight inspection that will review all flight critical attach-
buoyancy or an airborne heater, or both.
ments and structures.
2.1.3 lighter-than-air aircraft—aircraft that can rise and
3.3.2 The reviewing personnel shall sign all post flight
remain suspended by using contained gas weighing less than
review documents.
the air that is displaced by the gas.
3.4 Documentation—There shall be a written procedure in
2.1.3.1 Discussion—Airships may include dynamic lift that
effect to properly document and store the production accep-
derive as much as 30 % lift from other than buoyancy.
tance test results such that they are correlated to the specific
3. Significance and Use
aircraft for future reference.
3.5 Test Failures—There shall be a written procedure in
3.1 The purpose of this specification is to provide the
effect to review the causes for any aircraft failures in the
minimum requirements for the establishment of a ground and
production acceptance tests phases. Aircraft may only be
flight test program for verifying the initial (first run) production
released for retest after manufacturing review of the discrepant
aircraft meets certain operational performance requirem
...