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14 CFR Ch. I (1–1–14 Edition) 

§ 91.853 

operations specifications as eligible for 
operation in the contiguous United 
States. 

Import  means a change in ownership 

of an airplane from a non-U.S. person 
to a U.S. person when the airplane is 
brought into the United States for op-
eration. 

Operations specifications means an 

enumeration of airplanes by type, 
model, series, and serial number oper-
ated by the operator or foreign air car-
rier on a given day, regardless of how 
or whether such airplanes are formally 
listed or designated by the operator. 

Owner means any person that has in-

dicia of ownership sufficient to register 
the airplane in the United States pur-
suant to part 47 of this chapter. 

New entrant means an air carrier or 

foreign air carrier that, on or before 
November 5, 1990, did not conduct oper-
ations under part 121 or 129 of this 
chapter using an airplane covered by 
this subpart to or from any airport in 
the contiguous United States, but that 
initiates such operation after that 
date. 

Stage 2 noise levels mean the require-

ments for Stage 2 noise levels as de-
fined in part 36 of this chapter in effect 
on November 5, 1990. 

Stage 3 noise levels mean the require-

ments for Stage 3 noise levels as de-
fined in part 36 of this chapter in effect 
on November 5, 1990. 

Stage 4 noise level means a noise level 

at or below the Stage 4 noise limit pre-
scribed in part 36 of this chapter. 

Stage 2 airplane means a civil sub-

sonic jet (turbojet) airplane with a 
maximum certificated weight of 75,000 
pounds or more that complies with 
Stage 2 noise levels as defined in part 
36 of this chapter. 

Stage 3 airplane means a civil sub-

sonic jet (turbojet) airplane with a 
maximum certificated weight of 75,000 
pounds or more that complies with 
Stage 3 noise levels as defined in part 
36 of this chapter. 

Stage 4 airplane means an airplane 

that has been shown not to exceed the 
Stage 4 noise limit prescribed in part 36 
of this chapter. A Stage 4 airplane 

complies with all of the noise oper-
ating rules of this part. 

[Doc. No. 26433, 56 FR 48658, Sept. 25, 1991, as 
amended by Amdt. 91–252, 61 FR 66185, Dec. 
16, 1996; Amdt. 91–275, 67 FR 45237, July 8, 
2002; Amdt. 91–288, 70 FR 38749, July 5, 2005; 72 
FR 68475, Dec. 5, 2007] 

§ 91.853

Final compliance: Civil sub-

sonic airplanes. 

Except as provided in § 91.873, after 

December 31, 1999, no person shall oper-
ate to or from any airport in the con-
tiguous United States any airplane 
subject to § 91.801(c) of this subpart, un-
less that airplane has been shown to 
comply with Stage 3 or Stage 4 noise 
levels. 

[Doc. No. FAA–2003–16526, 70 FR 38749, July 5, 
2005] 

§ 91.855

Entry and nonaddition rule. 

No person may operate any airplane 

subject to § 91.801(c) of this subpart to 
or from an airport in the contiguous 
United States unless one or more of the 
following apply: 

(a) The airplane complies with Stage 

3 or Stage 4 noise levels. 

(b) The airplane complies with Stage 

2 noise levels and was owned by a U.S. 
person on and since November 5, 1990. 
Stage 2 airplanes that meet these cri-
teria and are leased to foreign airlines 
are also subject to the return provi-
sions of paragraph (e) of this section. 

(c) The airplane complies with Stage 

2 noise levels, is owned by a non-U.S. 
person, and is the subject of a binding 
lease to a U.S. person effective before 
and on September 25, 1991. Any such 
airplane may be operated for the term 
of the lease in effect on that date, and 
any extensions thereof provided for in 
that lease. 

(d) The airplane complies with Stage 

2 noise levels and is operated by a for-
eign air carrier. 

(e) The airplane complies with Stage 

2 noise levels and is operated by a for-
eign operator other than for the pur-
pose of foreign air commerce. 

(f) The airplane complies with Stage 

2 noise levels and— 

(1) On November 5, 1990, was owned 

by: 

(i) A corporation, trust, or partner-

ship organized under the laws of the 
United States or any State (including 

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