AC 25.981-2A

Advisory circular · Fuel Tank Flammability

Approved
September 19, 2008
Last reviewed
February 17, 2017
Cancels
AC25.981-2
Family
AC 25.981-2 · 2 versions
Revision
A
14 CFR parts
25, 26
Cited by
1 AD

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed October 23, 2026.

Show pages 64–75

Appendix 5 of the top and bottom of an ullage compartment will be transient in nature, but the knowledge of this behavior may allow for an explanation of an unusual measurement obtained and could allow for the validation of fuel tank inerting models being utilized.

4. References.

1. Advanced Instruments, “GPR-29% O2 Analyzer Owner’s Manual.”

2. Doebelin, E., Measurement Systems Application and Design, McGraw-Hill, 1990, pages 729-730.

3. Rosemount Analytical, “Model 755R Oxygen Analyzer Instruction Manual,” 748213-S, April 2002.

4. Krihak, M., Murtagh, M., and Shahriari., M. R., “Fiber Optic Oxygen Sensors Based on the Sol-Gel-Coatings Technique”, SPIE Chemical, Biological and Environmental Fiber Sensors VIII Conference Proceedings, Volume 2836, Pages 105-115.

5. Burns, Michael and Cavage, William M., “A Description and Analysis of the FAA Onboard Oxygen Analysis System,” FAA report DOT/FAA/AR-TN03/52, June 2003.

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