Federal Register / Vol. 87, No. 78 / Friday, April 22, 2022 / Rules and Regulations 24037 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2021–1078; Project 

Identifier MCAI–2020–01574–R; Amendment 

39–22014; AD 2022–08–11] 

RIN 2120–AA64 

Airworthiness Directives; Bell Textron 

Canada Limited Helicopters 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for certain 

Bell Textron Canada Limited Model 429 

helicopters. This AD was prompted by 

in-service reports of the loss of display 

and subsequent recovery of certain 

display units (DUs). This AD requires 

revising the existing rotorcraft flight 

manual supplement (RFMS) for your 

helicopter and disabling the traffic alert 

and collision avoidance system (TCAS) 

POP–UP feature for certain DUs. The 

FAA is issuing this AD to address the 

unsafe condition on these products. 

DATES: This AD is effective May 27, 

2022. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain document listed in this AD 

as of May 27, 2022. 

ADDRESSES: For service information 

identified in this final rule, contact Bell 

Textron Canada Limited, 12,800 Rue de 

l’Avenir, Mirabel, Quebec J7J 1R4, 

Canada; telephone 1–450–437–2862 or 

1–800–363–8023; fax 1–450–433–0272; 

email productsupport@bellflight.com; or 

at https://www.bellflight.com/support/ 

contact-support. You may view the 

referenced service information at the 

FAA, Office of the Regional Counsel, 

Southwest Region, 10101 Hillwood 

Pkwy., Room 6N–321, Fort Worth, TX 

76177. For information on the 

availability of this material at the FAA, 

call (817) 222–5110. It is also available 

at https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2021–1078. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2021–1078; or in person at Docket 

Operations between 9 a.m. and 5 p.m., 

Monday through Friday, except Federal 

holidays. The AD docket contains this 

final rule, the Transport Canada AD, any 

comments received, and other 

information. The street address for 

Docket Operations is U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE, 

Washington, DC 20590. 

FOR FURTHER INFORMATION CONTACT: 

Darren Gassetto, Aerospace Engineer, 

COS Program Management Section, 

FAA, Operational Safety Branch, 1600 

Stewart Avenue, Suite 410, Westbury, 

NY 11590; telephone (516) 228–7323; 

email Darren.Gassetto@faa.gov. 

SUPPLEMENTARY INFORMATION: 

Background 

The FAA issued a notice of proposed 

rulemaking (NPRM) to amend 14 CFR 

part 39 by adding an AD that would 

apply to Bell Textron Canada Limited 

Model 429 helicopters, serial numbers 

57001 through 57369 inclusive, 57371, 

and 57373. The NPRM published in the 

Federal Register on December 28, 2021 

(86 FR 73708; corrected January 10, 

2022 (87 FR 1083)). In the NPRM, the 

FAA proposed to require revising the 

existing RFMS for your helicopter and 

disabling the TCAS POP–UP feature for 

certain DUs. The NPRM was prompted 

by Transport Canada AD CF–2020– 

18R1, dated November 27, 2020 

(Transport Canada AD CF–2020–18R1), 

issued by Transport Canada, which is 

the aviation authority for Canada, to 

correct an unsafe condition for Bell 

Textron Canada Limited Model 429 

helicopters, serial numbers 57001 

through 57369, 57371, and 57373. 

Transport Canada advises that it has 

received in-service reports of the loss of 

display and subsequent recovery of the 

DU manufactured by Rogerson Kratos 

(RK). During an instrument flight rules 

approach, a Bell Textron Canada 

Limited Model 429 helicopter lost its 

center DU display, which then rebooted, 

and subsequently lost its right-hand side 

(RHS) DU display, which then also 

rebooted. Investigation revealed that the 

DUs’ power cycle occurred while in 

Map-Mode, which was caused by the 

RK DUs’ limited processing capability 

for excessive null waypoints generated 

by the Garmin GTN 750/650 GPS/NAV/ 

COMM/MFD. 

Transport Canada also advises that 

the use of Map-Mode to the center DU 

should be limited only for Bell Textron 

Canada Limited Model 429 helicopters 

equipped with RK DUs and Garmin 

GTN 750/650 main software version 

6.21 or later and that the use of MapMode should be prohibited on both the 

RHS DU and left-hand side DU, if 

installed. In addition, Transport Canada 

advises that a new emergency and 

malfunction procedure in the event of 

center DU failure should be 

implemented. If not addressed, a DU 

power cycle occurring during flight and 

consequent momentary loss of display 

information on the primary flight 

display and other DUs could result in 

the unexpected loss of display of 

important flight parameters to the pilots, 

including attitude, approach, airspeed, 

altitude, flight director information, 

navigation system cues, as well as 

engine and rotor drive system 

indications. 

Discussion of Final Airworthiness 

Directive 

Comments 

The FAA received comments from 

one commenter, Bell Textron Canada 

Limited. The following presents the 

comments received on the NPRM and 

the FAA’s response to each comment. 

Request To Revise Figures 1 and 2 to 

Paragraph (g) To Match the RFMS 

Bell Textron Canada Limited 

requested that the limitations specified 

in figures 1 and 2 to paragraph (g) of the 

proposed AD be revised to reflect the 

limitations identified in Bell Alert 

Service Bulletin 429–20–51, Revision B, 

dated July 17, 2021; and Bell 429 

Rotorcraft Flight Manual Supplement 

BHT–429–FMS–19, Revision 7, dated 

December 14, 2021. The commenter 

noted that the unsafe condition 

identified in the NPRM is only present 

when Garmin GTN 650/750 main 

software version 6.21 or later is installed 

because these software versions 

introduce an increased number of 

waypoints that can be displayed, which 

is beyond the memory capability of the 

RK DU. In addition, the commenter 

explained that the Garmin main 

software version is obvious to the pilot 

because it is displayed on the GTN 650/ 

750 ‘‘splash’’screen when the DUs are 

powered-up and can be easily accessed 

prior to flight through the GTN 650/750 

configuration pages. 

The FAA partially agrees with the 

commenter’s request. The FAA agrees 

with revising the limitations specified 

in figures 1 and 2 to paragraph (g) of this 

AD to reflect the Garmin GTN 650/750 

main software versions specified in Bell 

429 Rotorcraft Flight Manual 

Supplement BHT–429–FMS–19, 

Revision 7, dated December 14, 2021, 

because the unsafe condition is limited 

to Garmin GTN 650/750 main software 

version 6.21 or later, and the flight crew 

can determine the software version from 

the DUs and not from memory or 

running a diagnostic program. The FAA 

has revised figures 1 and 2 to paragraph 

(g) of this AD accordingly. The FAA 

notes that Bell Alert Service Bulletin 


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24038 Federal Register / Vol. 87, No. 78 / Friday, April 22, 2022 / Rules and Regulations 

429–20–51, Revision B, dated July 17, 

2021, refers to an older revision of the 

Bell 429 Rotorcraft Flight Manual 

Supplement BHT–429–FMS–19, which 

does not include all of the clarifying 

information regarding the affected 

manufacturer and software versions. 

Request To Revise Figure 3 to 

Paragraph (g) To Specify the RK DU 

Configuration 

Bell Textron Canada Limited 

requested that figure 3 to paragraph (g) 

of the proposed AD be revised to specify 

that the revision to the Emergency and 

Malfunction Procedures (section 3) of 

the existing RFMS applies to a center 

DU with the RK DU configuration. The 

commenter explained that Bell 429 

Rotorcraft Flight Manual Supplement 

BHT–429–FMS–19, Revision 7, dated 

December 14, 2021, included a revision 

to Section 3–14–B., CENTER DU 

FAILURE, to clarify that the Emergency 

and Malfunction Procedure applied 

only to the RK DU configuration. 

The FAA agrees with the commenter’s 

request and has revised paragraph (g) of 

this AD and figure 3 to paragraph (g) of 

this AD to specify that the Emergency 

and Malfunction Procedures apply to a 

center DU with the RK DU 

configuration. The FAA contacted 

Transport Canada, the State of Design 

Authority for Bell Textron Canada 

Limited Model 429 helicopters, and 

confirmed that the Emergency and 

Malfunction Procedures are applicable 

only to a center DU with the RK DU 

configuration. 

Request To Revise Note 1 to Paragraph 

(g) To Refer to a Later Revision of the 

RFMS 

Bell Textron Canada Limited 

requested that Note 1 to paragraph (g) be 

revised to refer to only Bell 429 

Rotorcraft Flight Manual Supplement 

BHT–429–FMS–19, Revision 7, dated 

December 14, 2021. The commenter 

explained that this revision level 

provides additional clarifying 

information regarding the manufacturer 

and software versions affected by the 

unsafe condition identified in the 

NPRM. 

The FAA agrees with the commenter’s 

request for the reason provided by the 

commenter and because the FAA has 

additionally agreed to certain changes in 

the information presented in figures 1, 

2, and 3 to paragraph (g) of this AD in 

response to the commenter’s previous 

comments regarding the RFMS revision. 

In the proposed AD Note 1 to paragraph 

(g) was as follows: ‘‘Note 1 to paragraph 

(g): The information in the ’‘CENTER 

DU FAILURE’ specified in figure 3 to 

paragraph (g) of this AD can be found 

in Bell 429 Rotorcraft Flight Manual 

Supplement BHT–429–FMS–19, 

Revisions 3, 4, 5, and 6.’’ In this AD the 

FAA revised Note 1 to paragraph (g) to 

refer to Bell 429 Rotorcraft Flight 

Manual Supplement BHT–429–FMS–19, 

Revision 7, dated December 14, 2021, 

and to include the pertinent changes 

that resulted from the other Bell Textron 

Canada Limited comments previously 

discussed. 

Changes Since the NPRM Was Issued 

After the NPRM was issued, Transport 

Canada issued Transport Canada AD 

CF–2020–18R2, dated January 27, 2022 

(Transport Canada AD CF–2020–18R2), 

which superseded Transport Canada AD 

CF–2020–18R1. Transport Canada AD 

CF–2020–18R2, mandates incorporation 

of Bell 429 Rotorcraft Flight Manual 

Supplement BHT–429–FMS–19, 

Revision 7, dated December 14, 2021, 

which specifies disabling the TCAS 

POP–UP feature for certain DUs. That 

action was included in the proposed AD 

requirements, and in the NPRM 

preamble, was identified in the 

Differences Between this Proposed AD 

and the Transport Canada AD section 

because it was not included in 

Transport Canada AD CF–2020–18R1 

but was included in the proposed AD 

requirements. That difference has been 

removed from this final rule. 

Conclusion 

These helicopters have been approved 

by the aviation authority of Canada and 

are approved for operation in the United 

States. Pursuant to the FAA’s bilateral 

agreement with Canada, Transport 

Canada, its technical representative, has 

notified the FAA of the unsafe condition 

described in its AD. The FAA reviewed 

the relevant data, considered the 

comments received, and determined 

that, except for the changes described 

previously, air safety requires adopting 

this AD as proposed. Accordingly, the 

FAA is issuing this AD to address the 

unsafe condition on these helicopters. 

Except for minor editorial changes, and 

any other changes described previously, 

this AD is adopted as proposed in the 

NPRM. None of the changes will 

increase the economic burden on any 

operator. 

Related Service Information Under 1 

CFR Part 51 

The FAA reviewed Bell Alert Service 

Bulletin 429–20–51, Revision B, dated 

July 17, 2021, which specifies 

procedures for disabling the TCAS 

POP–UP feature for certain DUs. This 

material is reasonably available because 

the interested parties have access to it 

through their normal course of business 

or by the means identified in the 

ADDRESSES section. 

Differences Between This AD and the 

Transport Canada AD 

Transport Canada AD CF–2020–18R2 

requires operators to ‘‘advise all flight 

crews’’ of the changes introduced by the 

RFMS revision. However, this AD does 

not specifically require that action. 14 

CFR 91.9 requires that no person may 

operate a civil aircraft without 

complying with the operating 

limitations specified in the RFMS. 

Therefore, including a requirement in 

this AD to operate the helicopter 

according to the revised RFMS would be 

redundant and unnecessary. Further, 

compliance with such a requirement in 

an AD would be impracticable to 

demonstrate or track on an ongoing 

basis; therefore, a requirement to 

operate the helicopter in such a manner 

would be unenforceable. The flight 

manual supplement changes in this AD 

also apply to the emergency and 

malfunction procedures section of the 

existing RFMS for your helicopter. FAA 

regulations mandate compliance only 

with the operating limitations section of 

the flight manual. Nonetheless, the FAA 

recommends that flight crews of the 

helicopters listed in the applicability 

operate in accordance with the revised 

emergency and malfunction procedures 

specified in this AD. 

Costs of Compliance 

The FAA estimates that this AD 

affects 88 helicopters of U.S. Registry. 

Labor rates are estimated at $85 per 

work-hour. Based on these numbers, the 

FAA estimates the following costs to 

comply with this AD. 

Revising the existing RFMS for your 

helicopter takes about 1 work-hour for 

an estimated cost of $85 per helicopter 

and $7,480 for the U.S. fleet. 

Disabling the TCAS POP–UP feature 

for your helicopter takes about 0.5 workhours for an estimated cost of $43 per 

helicopter and $3,784 for the U.S. fleet. 

Authority for This Rulemaking 

Title 49 of the United States Code 

specifies the FAA’s authority to issue 

rules on aviation safety. Subtitle I, 

section 106, describes the authority of 

the FAA Administrator. Subtitle VII: 

Aviation Programs, describes in more 

detail the scope of the Agency’s 

authority. 

The FAA is issuing this rulemaking 

under the authority described in 

Subtitle VII, Part A, Subpart III, Section 

44701: General requirements. Under 

that section, Congress charges the FAA 

with promoting safe flight of civil 

aircraft in air commerce by prescribing 


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Federal Register / Vol. 87, No. 78 / Friday, April 22, 2022 / Rules and Regulations 24039 

regulations for practices, methods, and 

procedures the Administrator finds 

necessary for safety in air commerce. 

This regulation is within the scope of 

that authority because it addresses an 

unsafe condition that is likely to exist or 

develop on products identified in this 

rulemaking action. 

Regulatory Findings 

This AD will not have federalism 

implications under Executive Order 

13132. This AD will not have a 

substantial direct effect on the States, on 

the relationship between the national 

government and the States, or on the 

distribution of power and 

responsibilities among the various 

levels of government. 

For the reasons discussed above, I 

certify that this AD: 

(1) Is not a ‘‘significant regulatory 

action’’ under Executive Order 12866, 

(2) Will not affect intrastate aviation 

in Alaska, and 

(3) Will not have a significant 

economic impact, positive or negative, 

on a substantial number of small entities 

under the criteria of the Regulatory 

Flexibility Act. 

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety. 

The Amendment 

Accordingly, under the authority 

delegated to me by the Administrator, 

the FAA amends 14 CFR part 39 as 

follows: 

PART 39—AIRWORTHINESS 

DIRECTIVES 

■ 1. The authority citation for part 39 

continues to read as follows: 

Authority: 49 U.S.C. 106(g), 40113, 44701. 

§ 39.13 [Amended] 

■ 2. The FAA amends § 39.13 by adding 

the following new airworthiness 

directive: 

2022–08–11 Bell Textron Canada Limited: 

Amendment 39–22014; Docket No. 

FAA–2021–1078; Project Identifier 

MCAI–2020–01574–R. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective May 27, 2022. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to Bell Textron Canada 

Limited Model 429 helicopters, certificated 

in any category, serial numbers 57001 

through 57369 inclusive, 57371, and 57373. 

(d) Subject 

Joint Aircraft Service Component (JASC) 

Code: 3100, Indicating/Recording System. 

(e) Unsafe Condition 

This AD was prompted by in-service 

reports of the loss of display and subsequent 

recovery of certain display units (DUs). The 

FAA is issuing this AD to address a DU 

power cycle occurring during flight and 

consequent momentary loss of display 

information on the primary flight display and 

other DUs, which if not addressed, could 

result in the unexpected loss of display of 

important flight parameters to the pilots, 

including attitude, approach, airspeed, 

altitude, flight director information, 

navigation system cues, as well as engine and 

rotor drive system indications. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Revising the Rotorcraft Flight Manual 

Supplement (RFMS) 

Within 30 days after the effective date of 

this AD: Revise the Types of Operation— 

Limitations (section 1–3–A.) of the existing 

RFMS for your helicopter to include the 

information in the ‘‘Limitations’’ specified in 

figure 1 to paragraph (g) of this AD, revise the 

Configuration (section 1–5.) of the existing 

RFMS for your helicopter to include the 

information in the ‘‘Configuration’’ specified 

in figure 2 to paragraph (g) of this AD, and 

revise the Emergency and Malfunction 

Procedures (section 3) of the existing RFMS 

for your helicopter to include the information 

in the ‘‘CENTER DU FAILURE (RK 

CONFIGURATION)’’ specified in figure 3 to 

paragraph (g) of this AD. 

BILLING CODE 4910–13–P 


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24040 Federal Register / Vol. 87, No. 78 / Friday, April 22, 2022 / Rules and Regulations 

Figure 1 to paragraph (g)—Limitations 

revision 

Figure 2 to paragraph (g)—Configuration 

revision 


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Figure 1 to paragraph (g) - Limitations revision 

1-3-A. LIMITATIONS 

Safe Taxi® and Chart View, if installed, shall not be used as primary means for flight 

crews to orient themselves on the airport surface. 

Use of the GTN for primary navigation for latitudes above 89.00°N and below 89.00°S 

is not authorized. 

With Garmin main software 6.21 or later, MAP mode on the Pilot and Co-pilot (if 

installed) Rogerson Kratos (RK) DU shall not be selected as this may cause a power 

cycle of the DU. 

With Garmin main software 6.21 or later, MAP mode on the center RK DU shall not 

be selected during a DME Arc approach, as this may cause a power cycle of the DU. 

With Garmin main software 6.21 or later and optional search pattern kit enabled, MAP 

mode on the center RK DU shall not be selected during search pattern operations. 

Excessive search pattern legs in DU MAP mode may cause a power cycle of the DU. 

The SD card or Flight Stream 510 (MMC) shall be present in each unit at all times. 

Demo mode shall not be used in flight. 

Figure 2 to paragraph (g) - Configuration revision 

1-5. CONFIGURATION 

Garmin GTN 750/650 main software shall be Version 4.00 with GPS software 5.00 or 

main software 6.21 with GPS software 5.2, or main software 6.62 with GPS software 

5.2. 

Flight Stream 510, if installed, shall be version 2.32 or later. 

Both GTN units shall have the same software versions. 

With Garmin main software 6.21 or later, TCAS POP-UP mode shall be DISABLED 

on the Rogerson Kratos (RK) DU. 
Federal Register / Vol. 87, No. 78 / Friday, April 22, 2022 / Rules and Regulations 24041 

Figure 3 to paragraph (g)—Emergency and 

Malfunction Procedures revision 

BILLING CODE 4910–13–C 

Note 1 to paragraph (g): The information 

in the ‘‘Limitations’’ specified in figure 1 to 

paragraph (g), ‘‘Configuration’’ specified in 

figure 2 to paragraph (g), and ‘‘CENTER DU 

FAILURE (RK CONFIGURATION)’’ specified 

in figure 3 to paragraph (g) of this AD can be 

found in Bell 429 Rotorcraft Flight Manual 

Supplement BHT–429–FMS–19, Revision 7, 

dated December 14, 2021. 

(h) Disabling the Traffic Alert and Collision 

Avoidance System (TCAS) POP–UP Feature 

Within 30 days after the effective date of 

this AD: Disable the TCAS POP–UP mode, 

including those helicopters equipped with 

the TCAS kit, in the parameter setup page on 

all RK DUs, in accordance with paragraph 3. 

of the Accomplishment Instructions of Bell 

Alert Service Bulletin 429–20–51, Revision 

B, dated July 17, 2021. 

(i) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, International Validation 

Branch, FAA, has the authority to approve 

AMOCs for this AD, if requested using the 

procedures found in 14 CFR 39.19. In 

accordance with 14 CFR 39.19, send your 

request to your principal inspector or local 

Flight Standards District Office, as 

appropriate. If sending information directly 

to the manager of the International Validation 

Branch, send it to the attention of the person 

identified in paragraph (j)(1) of this AD. 

Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov. 

(2) Before using any approved AMOC, 

notify your appropriate principal inspector, 

or lacking a principal inspector, the manager 

of the local flight standards district office/ 

certificate holding district office. 

(j) Related Information 

(1) For more information about this AD, 

contact Darren Gassetto, Aerospace Engineer, 

COS Program Management Section, FAA, 

Operational Safety Branch, Compliance & 

Airworthiness Division, 1600 Stewart 

Avenue, Suite 410, Westbury, NY 11590; 

telephone (516) 228–7323; email 

Darren.Gassetto@faa.gov. 

(2) The subject of this AD is addressed in 

Transport Canada AD CF–2020–18R2, dated 

January 27, 2022. You may view the 

Transport Canada AD at https://

www.regulations.gov in Docket No. FAA– 

2021–1078. 

(3) Bell 429 Rotorcraft Flight Manual 

Supplement BHT–429–FMS–19, Revision 7, 

dated December 14, 2021, which is not 

incorporated by reference, contains 

additional information about the subject of 

this AD. This service information is available 

at the contact information specified in 

paragraphs (k)(3) and (4) of this AD. 

(k) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference of 

the service information listed in this 

paragraph under 5 U.S.C. 552(a) and 1 CFR 

part 51. 

(2) You must use this service information 

as applicable to do the actions required by 

this AD, unless the AD specifies otherwise. 

(i) Bell Alert Service Bulletin 429–20–51, 

Revision B, dated July 17, 2021. 

(ii) [Reserved] 

(3) For service information identified in 

this AD, contact Bell Textron Canada 

Limited, 12,800 Rue de l’Avenir, Mirabel, 

Quebec J7J 1R4, Canada; telephone 1–450– 

437–2862 or 1–800–363–8023; fax 1–450– 

433–0272; email productsupport@

bellflight.com; or at https://

www.bellflight.com/support/contact-support. 

(4) You may view this service information 

at the FAA, Office of the Regional Counsel, 

Southwest Region, 10101 Hillwood Pkwy., 

Room 6N–321, Fort Worth, TX 76177. For 

information on the availability of this 

material at the FAA, call (817) 222–5110. 

(5) You may view this service information 

that is incorporated by reference at the 

National Archives and Records 

Administration (NARA). For information on 

the availability of this material at NARA, 

email: fr.inspection@nara.gov, or go to: 

https://www.archives.gov/federal-register/cfr/ 

ibr-locations.html. 

Issued on April 5, 2022. 

Derek Morgan, 

Acting Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2022–08563 Filed 4–21–22; 8:45 am] 

BILLING CODE 4910–13–C 

DEPARTMENT OF HOMELAND 

SECURITY 

U.S. Customs and Border Protection 

19 CFR Chapter I 

RIN 1601–ZA21 

Notification of Temporary Travel 

Restrictions Applicable to Land Ports 

of Entry and Ferries Service Between 

the United States and Mexico 

AGENCY: Office of the Secretary, U.S. 

Department of Homeland Security; U.S. 


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Figure 3 to paragraph (g) - Emergency and Malfunction Procedures revision 

3-14-B. CENTER DU FAILURE 

(RK CONFIGURATION) 

• INDICATIONS: 

DU screen momentarily goes blank. 

Pilot and Co-pilot (if installed) DU goes into composite mode. 

• PROCEDURE: 

NOTE 

MAP mode on center DU is defaulted ON with Weather Radar (if installed). 

Center DU - Deselect MAP mode. 

Pilot/Copilot DU - Select flight mode, as desired.