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Safety Recommendation Details

Safety Recommendation A-09-120
Details
Synopsis: On June 4, 2007, about 1600 central daylight time, a Cessna Citation 550, N550BP, impacted Lake Michigan shortly after departure from General Mitchell International Airport, Milwaukee, Wisconsin (MKE).1 The two pilots and four passengers were killed, and the airplane was destroyed. The airplane was being operated by Marlin Air under the provisions of 14 Code of Federal Regulations (CFR) Part 135 and departed MKE about 1557 with an intended destination of Willow Run Airport (YIP), near Ypsilanti, Michigan. At the time of the accident flight, marginal visual meteorological conditions prevailed at the surface, and instrument meteorological conditions prevailed aloft; the flight operated on an instrument flight rules flight plan.
Recommendation: TO THE FEDERAL AVIATION ADMINISTRATION: Require operators to implement the manufacturers’ guidance asked for in Safety Recommendation A-09-119 regarding which circuit breakers pilots need to identify quickly and pull easily during abnormal or emergency situations in their airplanes.
Original recommendation transmittal letter: PDF
Overall Status: Open - Unacceptable Response
Mode: Aviation
Location: Milwaukee, WI, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: CHI07MA160
Accident Reports: Loss of Control and Impact with Water, Marlin Air Cessna Citation 550, N550BP
Report #: AAR-09-06
Accident Date: 6/4/2007
Issue Date: 10/27/2009
Date Closed:
Addressee(s) and Addressee Status: FAA (Open - Unacceptable Response)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 10/5/2016
Response: We are aware that the guidance planned for AC 25-7D will not apply to in-service airplanes, nor will operators be required to incorporate the guidance. We note that you intend to issue a Safety Alert for Operators (SAFO) to recommend that operators effectively identify any circuit breakers that a pilot might need to quickly access during an emergency or abnormal procedure; however, because SAFOs lack authority to mandate corrective action, we do not consider this to be an effective solution unless you also verify that all operators have complied with the guidance. Accordingly, pending a requirement to develop guidance for in-service airplane pilots specifying which circuit breakers they need to identify quickly and pull easily during abnormal or emergency situations, and operators’ incorporation of this guidance, Safety Recommendation A-09-120 remains classified OPEN--UNACCEPTABLE RESPONSE.

From: NTSB
To: FAA
Date: 11/7/2013
Response: The FAA previously informed us that its review of Part 25 requirements found that current standards regarding the marking and accessibility of circuit breakers are appropriate and that no revisions are warranted. However, the FAA agrees with us that accessibility of flight deck circuit breakers, specifically those called out in the AFM abnormal or emergency procedures, should be assessed during certification flight tests. Consequently, the agency plans to include, in its revisions to Advisory Circular (AC) 25-7C, “Flight Test Guide for Transport Category Airplanes,” guidance regarding evaluation of circuit breaker accessibility on future airplane certification programs. The inclusion of this information in AC 25-7C will constitute an acceptable alternative means, in part, of addressing Safety Recommendation A-09-119, as the AC will apply only to future airplane certification programs and not to airplanes that are currently in service. Pending issuance of AC 25-7C, Safety Recommendation A-09-119 is classified “Open?Acceptable Alternate Response.” Because the guidance contained in the AC will not apply to in-service airplanes nor will operators be required to incorporate the guidance, pending a requirement for the development of guidance for operators of in-service airplanes specifying which circuit breakers pilots need to identify quickly and pull easily during abnormal or emergency situations, and incorporation of this guidance by operators, Safety Recommendation A-09-120 is classified OPEN—UNACCEPTABLE RESPONSE.

From: FAA
To: NTSB
Date: 8/8/2013
Response: -From Michael P. Huerta, Administrator: The FAA reviewed part 25 certification requirements to determine if more specific guidance for the marking and accessibility of circuit breakers was needed. Our review confirmed that current standards, including the marking requirements of section 25.1555(a), provide appropriate certification standards regarding identification and accessibility of flight deck circuit breakers. We also reviewed a sample of transport category AFM with regard to the use of circuit breakers in managing aircraft abnormal or emergency conditions. While circuit breaker use is mentioned in a small number of procedures, their use is not time-critical. Circuit breaker manipulation is typically a later step in the procedure after the initial malfunction or failure has been controlled. Circuit breakers are most often used to de-energize or render a system safe after the immediate effects of the malfunction have been managed by other means. In response to the Board's most recent letter dated January 10, 2012, we agree that accessibility of flight deck circuit breakers should be assessed during certification flight test, specifically those called out in the APM abnormal or emergency procedures. We anticipate publishing the revisions to FAA Advisory Circular 25-7C, Flight Test Guide for Transport Category Airplanes, in the summer of2014. The revised Advisory Circular incorporates guidance regarding evaluation of circuit breaker accessibility associated with abnormal and emergency procedures to ensure application on future certification programs. We find that the revision addresses the intent of these recommendations and will provide the "lasting value" the Board mentioned in its January 10, 2012, letter. I will keep the Board informed of our progress on Safety Recommendations A-09-119 and -120 and provide an update by August 30, 2014.

From: NTSB
To: FAA
Date: 11/17/2010
Response: The response to this recommendation is dependent on completion of an acceptable response to Safety Recommendation A-09-119, which the FAA has initiated. Accordingly, pending completion of an acceptable response to Safety Recommendation A-09-119, and establishment of a requirement that operators implement the revised manufacturer's guidance that results, Safety Recommendation A-09-120 is classified OPEN – ACCEPTABLE RESPONSE.

From: FAA
To: NTSB
Date: 4/28/2010
Response: Letter Mail Controlled 7/29/2010 4:30:29 PM MC# 2100167 - The FAA does not discuss A-09-120 in this incoming letter.

From: FAA
To: NTSB
Date: 2/16/2010
Response: Letter Mail Controlled 2/26/2010 4:02:13 PM MC# 2100071 - From J. Randolph Babbitt, Administrator: The Federal Aviation Administration concurs with the concept and intent of this recommendation. In our response to A-09-1 19 we stated that we will review the current policy regarding circuit breakers to determine if further, more specific guidance related to the marking and accessibility of circuit breakers related to abnormal or emergency procedures is needed. Once that is done, we will be able to determine both the proper technical solution and legal implementation for this requirement.