AC No: 120-30A DATE : 918176
ADVISORY
CIRCULAR
DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION .
SUBJECT: REPORTING REQUIREMENTS OF AIR CARRIERS, COMMERCIAL OPERATORS,TRAVEL CLUBS, AND AIR TAXI OPERATORS OF LARGE AND SMALL AIRCRAFT
1. PURPOSE. This advisory circular is issued to clarify the mechanical reliability reporting requirements contained in Parts 121, 127 and 135 of the Federal Aviation Regulations (FAR) and the accident and incident reporting requirements of Part 830 (old Part 430) of the National Transportation Safety Board (NTSB), Safety Investigation Regulations.
2. REFEREKE. Subpart E, Safety Investigation Remlations, Part 830., wci FkRs
121.703(f),
127.313(f), and 135.57(f). - * ' . l '
3.
CANCELLKIIOY. AC 120.3C, dated June 16, 1976, is canceled.-v---
4. BACKGROUXD. FARs
121.703(f),
127.313(f), and 135.57(f) state that failures, malfunctions, or defects reported under the accident reporting provisions of Part 830 of the'NTSB regulations neednot be reported under these sections. The reporting requirements of Part 830 also include incidents which may or may not constitute accidents and, therefore, a clarification of the intent of the above rules is deemed necessary.
5 . INFORMATION. A report submitted to the NTSB under Subsection 830.5(b) of the l{TSB regulations need not be submitted to the r'tA as a Mechanical Reliability Report. However, a report submitted under Subsection 830.5(a) does not relieve an air carrier, commercial operator, travel club, or air taxi operator from submitting a klechanical Reliability Report to the Federal Aviation Administration if any of the following listed INCIDENTS occur: .
a. Flight control system malfunction or failure.
Initiated by: AFS-830
AC 12003OA 918176
b. In-flight fires.
c. Turbine engine rotor failures excluding compressor blades and turbine buckets.
(/J. A.
FERRARESE, Acting Director Flight Standards Service I 6 Page 2 Par 5