640
14 CFR Ch. I (1–1–19 Edition)
§ 145.57
(d) The holder of an expired, surren-
dered, suspended, or revoked certifi-
cate must return it to the FAA.
[Doc. No. FAA–1999–5836, 66 FR 41117, Aug. 6,
2001, as amended by Amdt. 145–30, 79 FR
46984, Aug. 12, 2014]
§ 145.57
Amendment to or transfer of
certificate.
(a) A repair station certificate holder
applying for a change to its certificate
must submit a request in a format ac-
ceptable to the Administrator. A
change to the certificate must include
certification in compliance with
§ 145.53(c) or (d), if not previously sub-
mitted. A certificate change is nec-
essary if the certificate holder—
(1) Changes the name or location of
the repair station, or
(2) Requests to add or amend a rat-
ing.
(b) If the holder of a repair station
certificate sells or transfers its assets
and the new owner chooses to operate
as a repair station, the new owner must
apply for an amended or new certifi-
cate in accordance with § 145.51.
[Doc. No. FAA–2006–26408, 79 FR 46984, Aug.
12, 2014]
§ 145.59
Ratings.
The following ratings are issued
under this subpart:
(a)
Airframe ratings.
(1)
Class 1:
Com-
posite construction of small aircraft.
(2)
Class 2:
Composite construction of
large aircraft.
(3)
Class 3:
All-metal construction of
small aircraft.
(4)
Class 4:
All-metal construction of
large aircraft.
(b)
Powerplant ratings.
(1)
Class 1:
Re-
ciprocating engines of 400 horsepower
or less.
(2)
Class 2:
Reciprocating engines of
more than 400 horsepower.
(3)
Class 3:
Turbine engines.
(c)
Propeller ratings.
(1)
Class 1:
Fixed-
pitch and ground-adjustable propellers
of wood, metal, or composite construc-
tion.
(2)
Class 2:
Other propellers, by make.
(d)
Radio ratings.
(1)
Class 1:
Commu-
nication equipment. Radio transmit-
ting and/or receiving equipment used in
an aircraft to send or receive commu-
nications in flight, regardless of carrier
frequency or type of modulation used.
This equipment includes auxiliary and
related aircraft interphone systems,
amplifier systems, electrical or elec-
tronic intercrew signaling devices, and
similar equipment. This equipment
does not include equipment used for
navigating or aiding navigation of air-
craft, equipment used for measuring al-
titude or terrain clearance, other
measuring equipment operated on
radio or radar principles, or mechan-
ical, electrical, gyroscopic, or elec-
tronic instruments that are a part of
communications radio equipment.
(2)
Class 2:
Navigational equipment. A
radio system used in an aircraft for en
route or approach navigation. This
does not include equipment operated
on radar or pulsed radio frequency
principles, or equipment used for meas-
uring altitude or terrain clearance.
(3)
Class 3:
Radar equipment. An air-
craft electronic system operated on
radar or pulsed radio frequency prin-
ciples.
(e)
Instrument ratings.
(1)
Class 1:
Me-
chanical. A diaphragm, bourdon tube,
aneroid, optical, or mechanically driv-
en centrifugal instrument used on air-
craft or to operate aircraft, including
tachometers, airspeed indicators, pres-
sure gauges drift sights, magnetic com-
passes, altimeters, or similar mechan-
ical instruments.
(2)
Class 2:
Electrical. Self-syn-
chronous and electrical-indicating in-
struments and systems, including re-
mote indicating instruments, cylinder
head temperature gauges, or similar
electrical instruments.
(3)
Class 3:
Gyroscopic. An instru-
ment or system using gyroscopic prin-
ciples and motivated by air pressure or
electrical energy, including automatic
pilot control units, turn and bank indi-
cators, directional gyros, and their
parts, and flux gate and gyrosyn com-
passes.
(4)
Class 4:
Electronic. An instrument
whose operation depends on electron
tubes, transistors, or similar devices,
including capacitance type quantity
gauges, system amplifiers, and engine
analyzers.
(f)
Accessory ratings.
(1)
Class 1:
A me-
chanical accessory that depends on
friction, hydraulics, mechanical link-
age, or pneumatic pressure for oper-
ation, including aircraft wheel brakes,
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