739 

Federal Aviation Administration, DOT 

§ 91.176 

(

1

) The runway touchdown zone land-

ing surface; 

(

2

) The touchdown zone lights; 

(

3

) The touchdown zone markings; or 

(

4

) The runway lights. 

(iii) At 100 feet above the touchdown 

zone elevation of the runway of in-
tended landing and below that altitude, 
the enhanced flight visibility using 
EFVS must be sufficient for one of the 
following visual references to be dis-
tinctly visible and identifiable to the 
pilot— 

(A) The runway threshold; 
(B) The lights or markings of the 

threshold; 

(C) The runway touchdown zone land-

ing surface; or 

(D) The lights or markings of the 

touchdown zone. 

(4) 

Additional requirements. 

The Ad-

ministrator may prescribe additional 
equipment, operational, and visibility 
and visual reference requirements to 
account for specific equipment charac-
teristics, operational procedures, or ap-
proach characteristics. These require-
ments will be specified in an operator’s 
operations specifications, management 
specifications, or letter of authoriza-
tion authorizing the use of EFVS. 

(b) 

EFVS operations to 100 feet above 

the touchdown zone elevation. 

Except as 

specified in paragraph (d) of this sec-
tion, no person may conduct an EFVS 
operation in an aircraft, except a mili-
tary aircraft of the United States, at 
any airport below the authorized DA/ 
DH or MDA to 100 feet above the touch-
down zone elevation unless the fol-
lowing requirements are met: 

(1) 

Equipment. 

(i) The aircraft must 

be equipped with an operable EFVS 
that meets the applicable airworthi-
ness requirements. 

(ii) The EFVS must meet the require-

ments of paragraph (a)(1)(i)(A) through 
(F) of this section, but need not present 
flare prompt, flare guidance, or height 
above ground level. 

(2) 

Operations. 

(i) The pilot con-

ducting the EFVS operation may not 
use circling minimums. 

(ii) Each required pilot flightcrew 

member must have adequate knowl-
edge of, and familiarity with, the air-
craft, the EFVS, and the procedures to 
be used. 

(iii) The aircraft must be equipped 

with, and the pilot flying must use, an 
operable EFVS that meets the equip-
ment requirements of paragraph (b)(1) 
of this section. 

(iv) The aircraft must continuously 

be in a position from which a descent 
to a landing on the intended runway 
can be made at a normal rate of de-
scent using normal maneuvers. 

(v) For operations conducted under 

part 121 or part 135 of this chapter, the 
descent rate must allow touchdown to 
occur within the touchdown zone of the 
runway of intended landing. 

(vi) Each required pilot flightcrew 

member must meet the following re-
quirements— 

(A) A person exercising the privileges 

of a pilot certificate issued under this 
chapter, any person serving as a re-
quired pilot flightcrew member of a 
U.S.-registered aircraft, or any person 
serving as a required pilot flightcrew 
member for a part 121, 125, or 135 oper-
ator, must be qualified in accordance 
with part 61 and, as applicable, the 
training, testing, and qualification pro-
visions of subpart K of this part, part 
121, 125, or 135 of this chapter that 
apply to the operation; or 

(B) Each person acting as a required 

pilot flightcrew member for a foreign 
air carrier subject to part 129, or any 
person serving as a required pilot 
flightcrew member of a foreign reg-
istered aircraft, must be qualified in 
accordance with the training require-
ments of the civil aviation authority of 
the State of the operator for the EFVS 
operation to be conducted. 

(vii) A person conducting operations 

under subpart K of this part must con-
duct the operation in accordance with 
management specifications authorizing 
the use of EFVS. 

(viii) A person conducting operations 

under part 121, 129, or 135 of this chap-
ter must conduct the operation in ac-
cordance with operations specifications 
authorizing the use of EFVS. 

(ix) A person conducting operations 

under part 125 of this chapter must 
conduct the operation in accordance 
with operations specifications author-
izing the use of EFVS or, for a holder 
of a part 125 letter of deviation author-
ity, a letter of authorization for the 
use of EFVS. 

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