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Federal Aviation Administration, DOT 

Pt. 91, App. G 

certification is made after April 9, 1997, the 
Administrator must find that the altimetry 
system error (ASE) is contained as follows: 

(1) At the point in the full RVSM flight en-

velope where mean ASE reaches its largest 
absolute value, the absolute value may not 
exceed 80 feet. 

(2) At the point in the full RVSM flight en-

velope where mean ASE plus three standard 
deviations reaches its largest absolute value, 
the absolute value may not exceed 200 feet. 


Altimetry system error containment: 

Nongroup aircraft. To approve a nongroup air-
craft, the Administrator must find that the 
altimetry system error (ASE) is contained as 

(1) For each condition in the basic RVSM 

flight envelope, the largest combined abso-
lute value for residual static source error 
plus the avionics error may not exceed 160 

(2) For each condition in the full RVSM 

flight envelope, the largest combined abso-
lute value for residual static source error 
plus the avionics error may not exceed 200 

(g) Traffic Alert and Collision Avoidance 

System (TCAS) Compatibility With RVSM 
Operations: All aircraft. After March 31, 2002, 
unless otherwise authorized by the Adminis-
trator, if you operate an aircraft that is 
equipped with TCAS II in RVSM airspace, it 
must be a TCAS II that meets TSO C–119b 
(Version 7.0), or a later version. 

(h) If the Administrator finds that the ap-

plicant’s aircraft comply with this section, 
the Administrator notifies the applicant in 

Section 3. Operator Authorization 

(a) Authority for an operator to conduct 

flight in airspace where RVSM is applied is 
issued in operations specifications, a Letter 
of Authorization, or management specifica-
tions issued under subpart K of this part, as 
appropriate. To issue an RVSM authoriza-
tion, the Administrator must find that the 
operator’s aircraft have been approved in ac-
cordance with Section 2 of this appendix and 
the operator complies with this section. 

(b) An applicant for authorization to oper-

ate within RVSM airspace shall apply in a 
form and manner prescribed by the Adminis-
trator. The application must include the fol-

(1) [Reserved] 
(2) For an applicant who operates under 

part 121 or 135 of this chapter or under sub-
part K of this part, initial and recurring 
pilot training requirements. 

(3) Policies and procedures: An applicant 

who operates under part 121 or 135 of this 
chapter or under subpart K of this part must 
submit RVSM policies and procedures that 
will enable it to conduct RVSM operations 

(c) Validation and Demonstration. In a 

manner prescribed by the Administrator, the 
operator must provide evidence that: 

(1) It is capable to operate and maintain 

each aircraft or aircraft group for which it 
applies for approval to operate in RVSM air-
space; and 

(2) Each pilot has an adequate knowledge 

of RVSM requirements, policies, and proce-

Section 4. RVSM Operations 

(a) Each person requesting a clearance to 

operate within RVSM airspace shall cor-
rectly annotate the flight plan filed with air 
traffic control with the status of the oper-
ator and aircraft with regard to RVSM ap-
proval. Each operator shall verify RVSM ap-
plicability for the flight planned route 
through the appropriate flight planning in-
formation sources. 

(b) No person may show, on the flight plan 

filed with air traffic control, an operator or 
aircraft as approved for RVSM operations, or 
operate on a route or in an area where RVSM 
approval is required, unless: 

(1) The operator is authorized by the Ad-

ministrator to perform such operations; and 

(2) The aircraft has been approved and 

complies with the requirements of Section 2 
of this appendix. 

Section 5. Deviation Authority Approval 

The Administrator may authorize an air-

craft operator to deviate from the require-
ments of § 91.180 or § 91.706 for a specific flight 
in RVSM airspace if that operator has not 
been approved in accordance with section 3 
of this appendix if: 

(a) The operator submits a request in a 

time and manner acceptable to the Adminis-
trator; and 

(b) At the time of filing the flight plan for 

that flight, ATC determines that the aircraft 
may be provided appropriate separation and 
that the flight will not interfere with, or im-
pose a burden on, the operations of operators 
who have been approved for RVSM oper-
ations in accordance with Section 3 of this 

Section 6. Reporting Altitude-Keeping Errors 

Each operator shall report to the Adminis-

trator each event in which the operator’s 
aircraft has exhibited the following altitude- 
keeping performance: 

(a) Total vertical error of 300 feet or more; 
(b) Altimetry system error of 245 feet or 

more; or 

(c) Assigned altitude deviation of 300 feet 

or more. 

Section 7. Removal or Amendment of Authority 

The Administrator may amend operations 

specifications or management specifications 
issued under subpart K of this part to revoke 

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