Post on 28-Dec-2015
Presented to:
By:
Date:
Federal AviationAdministration
AIRWORTHINESS General
Aircraft Combustion Heaters
2Federal AviationAdministrationMay, 2014
Objective• Increase Attention to Combustion Heaters
• Identify Troublesome Components
• Review Consequences of Failure
• Discuss Airworthiness Directive Results
• Encourage You to Report Failures
Combustion HeaterHealth Check
3Federal AviationAdministrationMay, 2014
Combustion Heater Health Check
4Federal AviationAdministrationMay, 2014
Beech Baron Janitrol Installation
Combustion heaters are installed in small airplanes & rotorcraft
Combustion Heater Health Check
5Federal AviationAdministrationMay, 2014
Combustion Heater Failures
• Combustion tube
• Combustion air pressure switch
• Fuel regulator valve
• Intake or exhaust fans
Combustion Heater Health Check
6Federal AviationAdministrationMay, 2014
Consequences of Heater Failure
• Carbon Monoxide Poisoning
• Smoke or Fumes
• Fire
• May 11, 2012 a Cessna 401 crash with four fatalities – The NTSB attributed the crash to the combustion heater.
Combustion HeaterHealth Check
7Federal AviationAdministrationMay, 2014
Consequences of Heater Failure
Combustion HeaterHealth Check
8Federal AviationAdministrationMay, 2014
Observations
• Affected airplanes, is it yours?
• Airworthiness Directives (ADs)
• Manufacturer’s Service Bulletins
Combustion Heater Health Check
9Federal AviationAdministrationMay, 2014
Historical Record• AD 2004-21-05
– Applies to certain Kelly Aerospace combustion heaters installed in any airplane, and address defective combustion tubes and combustion air pressure switches
• AD 2004-25-16R1– Applies to certain Kelly Aerospace
combustion heater fuel regulator shut off valves installed in any airplane, and requires inspections/tests/parts replacement or disabling of the heater to prevent fuel leakage
Combustion HeaterHealth Check
10Federal AviationAdministrationMay, 2014
Historical Record Cont.• AD 2005-15-10
– Applies to certain Kelly Aerospace combustion heater fuel pumps installed on Piper Aircraft Models PA-34 and PA-44, and requires inspections/repair/replacement of the pump to prevent fuel leakage
• AD 81-09-09– Applies to Stewart-Warner (South Wind)
combustion heaters installed in any airplane, conduct the 250 hour inspection in accordance with the manufacturer's service manual, see AD.
Combustion HeaterHealth Check
11Federal AviationAdministrationMay, 2014
Report Failures
• Malfunction and Defect Report (General Aviation)
• Service Difficulty Reports (Air Carrier)
• WWW.FAA.GOV
• Aircraft Safety
• Report Safety Issues
Combustion Heater Health Check
12Federal AviationAdministrationMay, 2014
Conclusion
• Questions?
• www.faasafety.gov
• AMT Award Program
• WINGS Program
• GA Award Program
Combustion Heater Health Check