860
14 CFR Ch. I (1–1–19 Edition)
Pt. 45
peak output power is at least 18.5 dbw (70
watts).
(v) For any class of ATCRBS or any class
of Mode S transponders, verify that the max-
imum RF peak output power does not exceed
27.0 dbw (500 watts).
N
OTE
: The tests in (e) through (j) apply
only to Mode S transponders.
(e) Mode S Diversity Transmission Channel
Isolation: For any class of Mode S trans-
ponder that incorporates diversity operation,
verify that the RF peak output power trans-
mitted from the selected antenna exceeds
the power transmitted from the nonselected
antenna by at least 20 db.
(f) Mode S Address: Interrogate the Mode S
transponder and verify that it replies only to
its assigned address. Use the correct address
and at least two incorrect addresses. The in-
terrogations should be made at a nominal
rate of 50 interrogations per second.
(g) Mode S Formats: Interrogate the Mode
S transponder with uplink formats (UF) for
which it is equipped and verify that the re-
plies are made in the correct format. Use the
surveillance formats UF = 4 and 5. Verify
that the altitude reported in the replies to
UF = 4 are the same as that reported in a
valid ATCRBS Mode C reply. Verify that the
identity reported in the replies to UF = 5 are
the same as that reported in a valid ATCRBS
Mode 3/A reply. If the transponder is so
equipped, use the communication formats
UF = 20, 21, and 24.
(h) Mode S All-Call Interrogations: Inter-
rogate the Mode S transponder with the
Mode S-only all-call format UF = 11, and the
ATCRBS/Mode S all-call formats (1.6 micro-
second P
4
pulse) and verify that the correct
address and capability are reported in the re-
plies (downlink format DF = 11).
(i) ATCRBS-Only All-Call Interrogation:
Interrogate the Mode S transponder with the
ATCRBS-only all-call interrogation (0.8
microsecond P
4
pulse) and verify that no
reply is generated.
(j) Squitter: Verify that the Mode S trans-
ponder generates a correct squitter approxi-
mately once per second.
(k) Records: Comply with the provisions of
§ 43.9 of this chapter as to content, form, and
disposition of the records.
[Amdt. 43–26, 52 FR 3390, Feb. 3, 1987; 52 FR
6651, Mar. 4, 1987, as amended by Amdt. 43–31,
54 FR 34330, Aug. 18, 1989]
PART 45—IDENTIFICATION AND
REGISTRATION MARKING
Subpart A—General
Sec.
45.1
Applicability.
Subpart B—Marking of Products and
Articles
45.10
Marking.
45.11
Marking of products.
45.13
Identification data.
45.15
Marking requirements for PMA arti-
cles, TSO articles, and Critical parts.
45.16
Marking of life-limited parts.
Subpart C—Nationality and Registration
Marks
45.21
General.
45.22
Exhibition, antique, and other air-
craft: Special rules.
45.23
Display of marks; general.
45.25
Location of marks on fixed-wing air-
craft.
45.27
Location of marks; nonfixed-wing air-
craft.
45.29
Size of marks.
45.31
Marking of export aircraft.
45.33
Sale of aircraft; removal of marks.
A
UTHORITY
: 49 U.S.C. 106(f), 106(g), 40103,
40113–40114, 44101–44105, 44107–44111, 44504,
44701, 44708–44709, 44711–44713, 44725, 45302–
45303, 46104, 46304, 46306, 47122.
S
OURCE
: Docket No. 2047, 29 FR 3223, Mar.
11, 1964, unless otherwise noted.
E
DITORIAL
N
OTE
: Nomenclature changes to
part 45 appear at 74 FR 53394, Oct. 16, 2009.
Subpart A—General
§ 45.1
Applicability.
This part prescribes the requirements
for—
(a) Marking products and articles
manufactured under—
(1) A type certificate;
(2) A production approval as defined
under part 21 of this chapter; and
(3) The provisions of an agreement
between the United States and another
country or jurisdiction for the accept-
ance of products and articles; and
(b) Nationality and registration
marking of aircraft registered in the
United States in accordance with part
47.
[Doc. No. 2047, 29 FR 3223, Mar. 11, 1964, as
amended by Amdt. 45–3, 32 FR 188, Jan. 10,
1967; Amdt. 45–26, 74 FR 53394, Oct. 16, 2009;
Doc. No. FAA–2015–7396, Amdt. 45–30, 80 FR
78645, Dec. 16, 2015]
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