Chapter 20 — AVIATION FACILITIES
Section 2004
California Fire Code (Title 24, Part 9) · 2022 edition · updated 2026-09-10 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
2004.1 Transferring flammable and combustible liquids.¶
Flammable and combustible liquids shall not be dispensed into or removed from a container, tank, vehicle or aircraft except in approved locations.
2004.2 Application of flammable and combustible liquid¶
finishes. The application of flammable or Class II combustible liquid finishes is prohibited unless both of the following conditions are met:
The application of the liquid finish is accomplished in an approved location.
The application methods and procedures are in accordance with Chapter 24.
2004.3 Cleaning parts. Class IA flammable liquids shall not¶
be used to clean aircraft, aircraft parts or aircraft engines. Cleaning with other flammable and combustible liquids shall be in accordance with Section 5705.3.6.
2004.4 Spills. Sections 2004.4.1 through 2004.4.3 shall¶
apply to spills of flammable and combustible liquids and
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AVIATION FACILITIES
other hazardous materials. Fuel spill control shall also comply with Section 2006.11.
2004.4.1 Cessation of work. Activities in the affected area not related to the mitigation of the spill shall cease until the spilled material has been removed or the hazard has been mitigated.
2004.4.2 Vehicle movement. Aircraft or other vehicles shall not be moved through the spill area until the spilled material has been removed or the hazard has been mitigated.
2004.4.3 Mitigation. Spills shall be reported, documented and mitigated in accordance with the provisions of this chapter and Section 5003.3.
2004.5 Running engines. Aircraft engines shall not be run in¶
aircraft hangars except in approved engine test areas.
2004.6 Open flame. Repairing of aircraft requiring the use of¶
open flames, spark-producing devices or the heating of parts above 500°F (260°C) shall only be done outdoors or in an area complying with the provisions of the California Building Code for a Group F-1 occupancy.
2004.7 Other aircraft maintenance. Maintenance, repairs,¶
modifications, or construction performed on aircraft not addressed elsewhere in this code shall be conducted in accordance with NFPA 410.
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