Avionics News March 2018 - 15

FREQUENTLY ASKED QUESTIONS
United States
Appropriately rated persons
The following information is from a Federal Aviation
Administration legal interpretation dated March 23,
2012, Federal Aviation Regulations Part 145 and FAA
Part 145 rulemaking documents.

QUESTION:

Is a certificated mechanic an "appropriately rated"
person to supervise instrument repairs under Part 145?

ANSWER:

No. While mechanics are certificated under Part
65 as required for a domestic repair station, they are
not "appropriately" certificated since 14 CFR 65.81
specifically excludes the repair or alterations of
instruments from their authority.
There is significant confusion generated from a
March 23, 2012, legal interpretation on this subject.
In a March 23, 2012, answer to Rick Rogers specific
to 14 CFR 145.157(a) and whether the requirement
that a person is "certificated under Part 65" means
appropriately certificated, the FAA responded that
no, the 2001 rulemaking inadvertently omitted the
"appropriately" language, and the regulation at the
time did not require appropriately rated persons.
However, the regulation was changed in 2014
(Amendment 145-30, Eff. 11/10/2014) to read:
Sec. 145.157 Personnel authorized to approve an
article for return to service.
(a) A certificated repair station located inside the
United States must ensure each person authorized
to approve an article for return to service under
the repair station certificate and operations
specifications is appropriately certificated as a
mechanic or repairman under part 65.
Contained within the 2012 Notice of Proposed
Rulemaking, the FAA provided clarifying
information on what an "appropriately certificated
person" is, tying it directly to the privilege of the
mechanic or repairman certificate issued under Part

65 subpart D or E with an example that directly
answers this question.
From the 2012 NPRM (Federal Register/Vol. 77,
No. 98/Monday, May 21, 2012):
k. Supervisory Personnel Requirements ....
Section 145.153(b)(1) requires each supervisor
employed by a repair station located inside
the United States to be certificated under
Part 65. Supervisors may supervise only as
allowed by the privileges of the certificate
held as provided in Part 65. For example, a
supervisor certificated with only a powerplant
rating may not supervise personnel doing
airframe maintenance, as the powerplant
rating does not provide that privilege. The
FAA is proposing in §145.1153(b)(1) to revise
this requirement to state that the supervisor be
appropriately certificated under Part 65 for the
work being supervised. Prior to the 2001 rule
change, the language was clear in §145.39(d):
''Each person who is directly in charge of the
maintenance functions of a repair station must
be appropriately certificated under Part 65 *
* *''. The omission of ''appropriately'' in 2001
was an oversight that the FAA will correct by
reinserting ''appropriately certificated under
Part 65'' where such certification under Part
65 is required. The appropriateness of the
certificate is based in the privilege of the
mechanic or repairman certificate issued under
Part 65 subpart D or E.
For example, a supervisor who holds a mechanic
certificate with airframe and powerplant ratings
issued under Part 65 would not be appropriately
certificated to supervise work on instruments.
A supervisor would need to hold a repairman
certificate to supervise work on instruments.
The personnel certification requirements are
the same for 14 CFR 145.153 and 157. The
FAA's explanation clearly states that because of
the limitations within Part 65 for a certificated
mechanic, those limitations apply to the
"appropriately certificated" requirement.
Note: As part of the 2012 NPRM, the FAA had
proposed a new numbering scheme (essentially adding
a "1" before the section number, i.e. 1153 versus 153),
which was defeated in public comment.

Continued on following page
avionics news

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