Code of Federal Regulations - Title 14

823

Federal Aviation Administration, DOT

§ 29.1553

ARKINGS AND

LACARDS

§ 29.1541

General.

(a) The rotorcraft must contain—
(1) The markings and placards speci-

fied in §§ 29.1545 through 29.1565; and

(2) Any additional information, in-

strument markings, and placards re-
quired for the safe operation of the
rotorcraft if it has unusual design, op-
erating or handling characteristics.

(b) Each marking and placard pre-

scribed in paragraph (a) of this sec-
tion—

(1) Must be displayed in a con-

spicuous place; and

(2) May not be easily erased, dis-

figured, or obscured.

§ 29.1543

Instrument markings: gen-

eral.

For each instrument—
(a) When markings are on the cover

glass of the instrument there must be
means to maintain the correct align-
ment of the glass cover with the face of
the dial; and

(b) Each arc and line must be wide

enough, and located to be clearly visi-
ble to the pilot.

§ 29.1545

Airspeed indicator.

(a) Each airspeed indicator must be

marked as specified in paragraph (b) of
this section, with the marks located at
the corresponding indicated airspeeds.

(b) The following markings must be

made:

(1) A red radial line—
(i) For rotorcraft other than heli-

copters, at V

; and

(ii) For helicopters, at a V

(power-

on).

(2) A red, cross-hatched radial line at

(power-off) for helicopters, if V

(power-off) is less than V

(power-on).

(3) For the caution range, a yellow

arc.

(4) For the safe operating range, a

green arc.

(Secs. 313(a), 601, 603, 604, and 605 of the Fed-
eral Aviation Act of 1958 (49 U.S.C. 1354(a),
1421, 1423, 1424, and 1425); and sec. 6(c), Dept.
of Transportation Act (49 U.S.C. 1655(c)))

[Doc. No. 5084, 29 FR 16150, Dec. 3, 1964, as
amended by Amdt. 29–15, 43 FR 2327, Jan. 16,
1978; 43 FR 3900, Jan. 30, 1978; Amdt. 29–17, 43
FR 50602, Oct. 30, 1978]

§ 29.1547

Magnetic direction indicator.

(a) A placard meeting the require-

ments of this section must be installed
on or near the magnetic direction indi-
cator.

(b) The placard must show the cali-

bration of the instrument in level
flight with the engines operating.

the calibration was made with radio re-
ceivers on or off.

(d) Each calibration reading must be

in terms of magnetic heading in not
more than 45 degree increments.

§ 29.1549

Powerplant instruments.

For each required powerplant instru-

ment, as appropriate to the type of in-
struments—

(a) Each maximum and, if applicable,

minimum safe operating limit must be
marked with a red radial or a red line;

(b) Each normal operating range

must be marked with a green arc or
green line, not extending beyond the
maximum and minimum safe limits;

range must be marked with a yellow
arc or yellow line;

(d) Each engine or propeller range

that is restricted because of excessive
vibration stresses must be marked with
red arcs or red lines; and

(e) Each OEI limit or approved oper-

ating range must be marked to be
clearly differentiated from the mark-
ings of paragraphs (a) through (d) of
this section except that no marking is
normally required for the 30-second
OEI limit.

[Amdt. 29–12, 41 FR 55474, Dec. 20, 1976, as
amended by Amdt. 29–26, 53 FR 34220, Sept. 2,
1988; Amdt. 29–34, 59 FR 47769, Sept. 16, 1994]

§ 29.1551

Oil quantity indicator.

Each oil quantity indicator must be

marked with enough increments to in-
dicate readily and accurately the quan-
tity of oil.

§ 29.1553

Fuel quantity indicator.

If the unusable fuel supply for any

tank exceeds one gallon, or five per-
cent of the tank capacity, whichever is
greater, a red arc must be marked on
its indicator extending from the cali-
brated zero reading to the lowest read-
ing obtainable in level flight.

VerDate Mar<15>2010

10:12 Mar 18, 2014

Jkt 232046

PO 00000

Frm 00833

Fmt 8010

Sfmt 8010

Y:\SGML\232046.XXX

232046

pmangrum on DSK3VPTVN1PROD with CFR