463 

Federal Aviation Administration, DOT 

§ 135.177 

when current weather reports indicate 
that thunderstorms or other poten-
tially hazardous weather conditions 
that can be detected with airborne 
thunderstorm detection equipment, re-
quired by paragraph (a) or (b) of this 
section, may reasonably be expected 
along the route to be flown, unless the 
airborne thunderstorm detection equip-
ment is in satisfactory operating con-
dition. 

(d) If the airborne thunderstorm de-

tection equipment becomes inoperative 
en route, the aircraft must be operated 
under the instructions and procedures 
specified for that event in the manual 
required by § 135.21. 

(e) This section does not apply to air-

craft used solely within the State of 
Hawaii, within the State of Alaska, 
within that part of Canada west of lon-
gitude 130 degrees W, between latitude 
70 degrees N, and latitude 53 degrees N, 
or during any training, test, or ferry 
flight. 

(f) Without regard to any other provi-

sion of this part, an alternate elec-
trical power supply is not required for 
airborne thunderstorm detection equip-
ment. 

[Doc. No. 16097, 43 FR 46783, Oct. 10, 1978, as 
amended by Amdt. 135–20, 51 FR 40710, Nov. 7, 
1986; Amdt. 135–60, 61 FR 2616, Jan. 26, 1996] 

§ 135.175 Airborne weather radar 

equipment requirements. 

(a) No person may operate a large, 

transport category aircraft in pas-
senger-carrying operations unless ap-
proved airborne weather radar equip-
ment is installed in the aircraft. 

(b) No person may begin a flight 

under IFR or night VFR conditions 
when current weather reports indicate 
that thunderstorms, or other poten-
tially hazardous weather conditions 
that can be detected with airborne 
weather radar equipment, may reason-
ably be expected along the route to be 
flown, unless the airborne weather 
radar equipment required by paragraph 
(a) of this section is in satisfactory op-
erating condition. 

(c) If the airborne weather radar 

equipment becomes inoperative en 
route, the aircraft must be operated 
under the instructions and procedures 
specified for that event in the manual 
required by § 135.21. 

(d) This section does not apply to air-

craft used solely within the State of 
Hawaii, within the State of Alaska, 
within that part of Canada west of lon-
gitude 130 degrees W, between latitude 
70 degrees N, and latitude 53 degrees N, 
or during any training, test, or ferry 
flight. 

(e) Without regard to any other pro-

vision of this part, an alternate elec-
trical power supply is not required for 
airborne weather radar equipment. 

§ 135.177 Emergency equipment re-

quirements for aircraft having a 

passenger seating configuration of 

more than 19 passengers. 

(a) No person may operate an aircraft 

having a passenger seating configura-
tion, excluding any pilot seat, of more 
than 19 seats unless it is equipped with 
the following emergency equipment: 

(1) At least one approved first-aid kit 

for treatment of injuries likely to 
occur in flight or in a minor accident 
that must: 

(i) Be readily accessible to crew-

members. 

(ii) Be stored securely and kept free 

from dust, moisture, and damaging 
temperatures. 

(iii) Contain at least the following 

appropriately maintained contents in 
the specified quantities: 

Contents 

Quantity 

Adhesive bandage compresses, 1-inch .................

16 

Antiseptic swabs .....................................................

20 

Ammonia inhalants .................................................

10 

Bandage compresses, 4-inch .................................

8 

Triangular bandage compresses, 40-inch ..............

5 

Arm splint, noninflatable .........................................

1 

Leg splint, noninflatable ..........................................

1 

Roller bandage, 4-inch ...........................................

4 

Adhesive tape, 1-inch standard roll ........................

2 

Bandage scissors ...................................................

1 

Protective nonpermeable gloves or equivalent ......

1 pair 

(2) A crash axe carried so as to be ac-

cessible to the crew but inaccessible to 
passengers during normal operations. 

(3) Signs that are visible to all occu-

pants to notify them when smoking is 
prohibited and when safety belts must 
be fastened. The signs must be con-
structed so that they can be turned on 
during any movement of the aircraft 
on the surface, for each takeoff or land-
ing, and at other times considered nec-
essary by the pilot in command. ‘‘No 
smoking’’ signs shall be turned on 
when required by § 135.127.