Federal Register / Vol. 81, No. 78 / Friday, April 22, 2016 / Rules and Regulations 23579 

Special conditions are initially 

applicable to the model for which they 

are issued. Should the type certificate 

for that model be amended later to 

include any other model that 

incorporates the same novel or unusual 

design feature, or should any other 

model already included on the same 

type certificate be modified to 

incorporate the same novel or unusual 

design feature, these special conditions 

would also apply to the other model 

under § 21.101. 

In addition to the applicable 

airworthiness regulations and special 

conditions, the Model BD–700–2A12 

and BD–700–2A13 airplanes must 

comply with the fuel-vent and exhaustemission requirements of 14 CFR part 

34, and the noise-certification 

requirements of 14 CFR part 36. 

The FAA issues special conditions, as 

defined in 14 CFR 11.19, in accordance 

with § 11.38, and they become part of 

the type certification basis under 

§ 21.101. 

Novel or Unusual Design Features 

The Model BD–700–2A12 and BD– 

700–2A13 airplanes will incorporate the 

following novel or unusual design 

feature: A digital-systems network 

architecture composed of several 

connected networks. This network 

architecture and network configuration 

will have the capability to allow access 

to or by external network sources, and 

may be used for or interfaced with a 

diverse set of functions, including: 

• Flight-safety-related control, 

communication, and navigation systems 

(airplane-control domain); 

• Operator business and 

administrative support (operatorinformation domain); and 

• Passenger information and 

entertainment systems (passengerentertainment domain). 

Discussion 

The Model BD–700–2A12 and BD– 

700–2A13 airplanes’ digital-systems 

network architecture is novel or unusual 

for commercial transport airplanes as it 

allows connection to airplane electronic 

systems and networks, and access from 

sources external to the airplane (e.g., 

operator networks, wireless devices, 

Internet connectivity, service-provider 

satellite communications, electronic 

flight bags, etc.) to the previously 

isolated airplane electronic assets. 

Airplane electronic assets include 

electronic equipment and systems, 

instruments, networks, servers, software 

and electronic components, fieldloadable software and hardware 

applications, databases, etc. This 

proposed design may result in network 

security vulnerabilities from intentional 

or unintentional corruption of data and 

systems required for the safety, 

operation, and maintenance of the 

airplane. 

The existing regulations and guidance 

material did not anticipate these types 

of digital-system network architectures, 

nor access to airplane systems. 

Furthermore, 14 CFR part 25 

regulations, and current system-safety 

assessment policy and techniques, do 

not address potential security 

vulnerabilities by unauthorized access 

to airplane data busses and servers. 

Therefore, these special conditions are 

issued to ensure that the security, 

integrity, and availability of airplane 

systems are not compromised by certain 

wired or wireless electronic connections 

between airplane data busses and 

networks. 

These special conditions contain the 

additional safety standards that the 

Administrator considers necessary to 

establish a level of safety equivalent to 

that established by the existing 

airworthiness standards. 

Applicability 

As discussed above, these special 

conditions are applicable to the Model 

BD–700–2A12 and BD–700–2A13 

airplanes. Should Bombardier Inc. apply 

at a later date for a change to the type 

certificate to include another model 

incorporating the same novel or unusual 

design feature, these special conditions 

would apply to that model as well. 

Conclusion 

This action affects only a certain 

novel or unusual design feature on one 

model series of airplanes. It is not a rule 

of general applicability. 

The substance of these special 

conditions has been subjected to the 

notice and comment period in several 

prior instances and has been derived 

without substantive change from those 

previously issued. It is unlikely that 

prior public comment would result in a 

significant change from the substance 

contained herein. Therefore, the FAA 

has determined that prior public notice 

and comment are unnecessary and 

impracticable, and good cause exists for 

adopting these special conditions upon 

issuance. The FAA is requesting 

comments to allow interested persons to 

submit views that may not have been 

submitted in response to the prior 

opportunities for comment described 

above. 

List of Subjects in 14 CFR Part 25 

Aircraft, Aviation safety, Reporting 

and recordkeeping requirements. 

The authority citation for these 

special conditions is as follows: 

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

44702, 44704. 

The Special Conditions 

Accordingly, pursuant to the 

authority delegated to me by the 

Administrator, the following special 

conditions are issued as part of the type 

certification basis for electronic systemsecurity protection from unauthorized 

external access on Bombardier Inc. 

Model BD–700–2A12 and BD–700– 

2A13 airplanes. 

1. The applicant must ensure that the 

airplane electronic systems are 

protected from access by unauthorized 

sources external to the airplane, 

including those possibly caused by 

maintenance activity. 

2. The applicant must ensure that 

electronic system-security threats are 

identified and assessed, and that 

effective electronic system-security 

protection strategies are implemented to 

protect the airplane from all adverse 

impacts on safety, functionality, and 

continued airworthiness. 

3. The applicant must establish 

appropriate procedures to allow the 

operator to ensure that continued 

airworthiness of the airplane is 

maintained, including all post-typecertification modifications that may 

have an impact on the approved 

electronic system-security safeguards. 

Issued in Renton, Washington, on April 8, 

2016. 

Michael Kaszycki, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service. 

[FR Doc. 2016–09336 Filed 4–21–16; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 25 

[Docket No. FAA–2016–4238; Special 

Conditions No. 25–613–SC] 

Special Conditions: Gulfstream 

Aerospace Corporation Model GVII– 

G500 Airplanes; Airplane Electronic 

System Security Protection From 

Unauthorized External Access 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final special conditions; request 

for comments. 

SUMMARY: These special conditions are 

issued for the Gulfstream Aerospace 

Corporation (Gulfstream) Model GVII– 

G500 airplane. These airplanes will 


asabaliauskas on DSK3SPTVN1PROD with RULES
23580 Federal Register / Vol. 81, No. 78 / Friday, April 22, 2016 / Rules and Regulations 

have a digital-systems network 

architecture composed of several 

connected networks that may allow 

access to or by external computer 

systems and networks, and may result 

in airplane electronic system-security 

vulnerabilities. The applicable 

airworthiness regulations do not contain 

adequate or appropriate safety standards 

for this design feature. These special 

conditions contain the additional safety 

standards that the Administrator 

considers necessary to establish a level 

of safety equivalent to that established 

by the existing airworthiness standards. 

DATES: This action is effective on 

Gulfstream Aerospace Corporation on 

April 22, 2016. We must receive your 

comments by June 6, 2016. 

ADDRESSES: Send comments identified 

by docket number FAA–2016–4238 

using any of the following methods: 

• Federal eRegulations Portal: Go to 

http://www.regulations.gov/ and follow 

the online instructions for sending your 

comments electronically. 

• Mail: Send comments to Docket 

Operations, M–30, U.S. Department of 

Transportation (DOT), 1200 New Jersey 

Avenue SE., Room W12–140, West 

Building Ground Floor, Washington, DC 

20590–0001. 

• Hand Delivery or Courier: Take 

comments to Docket Operations in 

Room W12–140 of the West Building 

Ground Floor at 1200 New Jersey 

Avenue SE., Washington, DC, between 9 

a.m. and 5 p.m., Monday through 

Friday, except Federal holidays. 

• Fax: Fax comments to Docket 

Operations at 202–493–2251. 

Privacy: The FAA will post all 

comments it receives, without change, 

to http://www.regulations.gov/, 

including any personal information the 

commenter provides. Using the search 

function of the docket Web site, anyone 

can find and read the electronic form of 

all comments received into any FAA 

docket, including the name of the 

individual sending the comment (or 

signing the comment for an association, 

business, labor union, etc.). DOT’s 

complete Privacy Act Statement can be 

found in the Federal Register published 

on April 11, 2000 (65 FR 19477–19478), 

as well as at http://DocketsInfo.dot.gov/. 

Docket: Background documents or 

comments received may be read at 

http://www.regulations.gov/ at any time. 

Follow the online instructions for 

accessing the docket or go to Docket 

Operations in Room W12–140 of the 

West Building Ground Floor at 1200 

New Jersey Avenue SE., Washington, 

DC between 9 a.m. and 5 p.m., Monday 

through Friday, except Federal holidays. 

FOR FURTHER INFORMATION CONTACT: 

Varun Khanna, FAA, Airplane and 

Flight Crew Interface, ANM–111, 

Transport Airplane Directorate, Aircraft 

Certification Service, 1601 Lind Avenue 

SW., Renton, Washington, 98057–3356; 

telephone 425–227–1298; facsimile 

425–227–1149. 

SUPPLEMENTARY INFORMATION: The 

substance of these special conditions 

has been subject to the public comment 

process in several prior instances with 

no substantive comments received. The 

FAA therefore finds that good cause 

exists for making these special 

conditions effective upon publication in 

the Federal Register. 

Comments Invited 

We invite interested people to take 

part in this rulemaking by sending 

written comments, data, or views. The 

most helpful comments reference a 

specific portion of the special 

conditions, explain the reason for any 

recommended change, and include 

supporting data. 

We will consider all comments we 

receive by the closing date for 

comments. We may change these special 

conditions based on the comments we 

receive. 

Background 

On March 29, 2012, Gulfstream 

Aerospace Corporation applied for a 

type certificate for their new Model 

GVII–G500 airplane. 

The Model GVII–G500 airplane will 

be a business jet capable of 

accommodating up to 19 passengers. It 

will incorporate a low, swept-wing 

design with winglets and a T-tail. The 

powerplant will consist of two aftfuselage-mounted Pratt & Whitney 

turbofan engines. 

Type Certification Basis 

Under the provisions of Title 14, Code 

of Federal Regulations (14 CFR) 21.17, 

Gulfstream must show that the Model 

GVII–G500 airplane meets the 

applicable provisions of part 25, as 

amended by Amendments 25–1 through 

25–137. 

If the Administrator finds that the 

applicable airworthiness regulations 

(i.e., 14 CFR part 25) do not contain 

adequate or appropriate safety standards 

for the Model GVII–G500 airplane 

because of a novel or unusual design 

feature, special conditions are 

prescribed under the provisions of 

§ 21.16. 

Special conditions are initially 

applicable to the model for which they 

are issued. Should the type certificate 

for that model be amended later to 

include any other model that 

incorporates the same novel or unusual 

design feature, these special conditions 

would also apply to the other model 

under § 21.101. 

In addition to the applicable 

airworthiness regulations and special 

conditions, the Model GVII–G500 

airplane must comply with the fuel-vent 

and exhaust-emission requirements of 

14 CFR part 34, and the noisecertification requirements of 14 CFR 

part 36. 

The FAA issues special conditions, as 

defined in 14 CFR 11.19, in accordance 

with § 11.38, and they become part of 

the type certification basis under 

§ 21.17. 

Novel or Unusual Design Features 

The Model GVII–G500 airplane will 

incorporate the following novel or 

unusual design feature: A digitalsystems network architecture composed 

of several connected networks. This 

network architecture and network 

configuration will have the capability to 

allow access to or by external network 

sources, and may be used for or 

interfaced with a diverse set of 

functions, including: 

• Flight-safety-related control, 

communication, and navigation systems 

(airplane-control domain); 

• Operator business and 

administrative support (operatorinformation domain); and 

• Passenger information and 

entertainment systems (passengerentertainment domain). 

Discussion 

The Model GVII–G500 airplane’s 

digital-systems network architecture is 

novel or unusual for commercial 

transport airplanes as it allows 

connection to airplane electronic 

systems and networks, and access from 

sources external to the airplane (e.g., 

operator networks, wireless devices, 

Internet connectivity, service-provider 

satellite communications, electronic 

flight bags, etc.) to the previously 

isolated airplane electronic assets. 

Airplane electronic assets include 

electronic equipment and systems, 

instruments, networks, servers, software 

and electronic components, fieldloadable software and hardware 

applications, databases, etc. This 

proposed design may result in network 

security vulnerabilities from intentional 

or unintentional corruption of data and 

systems required for the safety, 

operation, and maintenance of the 

airplane. 

The existing regulations and guidance 

material did not anticipate these types 

of digital-system architectures, nor 

access to airplane systems. Furthermore, 


asabaliauskas on DSK3SPTVN1PROD with RULES
Federal Register / Vol. 81, No. 78 / Friday, April 22, 2016 / Rules and Regulations 23581 

14 CFR part 25, and current systemsafety assessment policy and 

techniques, do not address potential 

security vulnerabilities by unauthorized 

access to airplane data busses and 

servers. Therefore, these special 

conditions are issued to ensure that the 

security, integrity, and availability of 

airplane systems are not compromised 

by certain wired or wireless electronic 

connections between airplane data 

busses and networks. 

These special conditions contain the 

additional safety standards that the 

Administrator considers necessary to 

establish a level of safety equivalent to 

that established by the existing 

airworthiness standards. 

Applicability 

As discussed above, these special 

conditions are applicable to the Model 

GVII–G500 airplane. Should Gulfstream 

apply at a later date for a change to the 

type certificate to include another 

model incorporating the same novel or 

unusual design feature, these special 

conditions would apply to that model as 

well. 

Conclusion 

This action affects only a certain 

novel or unusual design feature on one 

model series of airplane. It is not a rule 

of general applicability. 

The substance of these special 

conditions has been subjected to the 

notice and comment period in several 

prior instances and has been derived 

without substantive change from those 

previously issued. It is unlikely that 

prior public comment would result in a 

significant change from the substance 

contained herein. Therefore, the FAA 

has determined that prior public notice 

and comment are unnecessary and 

impracticable, and good cause exists for 

adopting these special conditions upon 

issuance. The FAA is requesting 

comments to allow interested persons to 

submit views that may not have been 

submitted in response to the prior 

opportunities for comment described 

above. 

List of Subjects in 14 CFR Part 25 

Aircraft, Aviation safety, Reporting 

and recordkeeping requirements. 

The authority citation for these 

special conditions is as follows: 

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

44702, 44704. 

The Special Conditions 

Accordingly, pursuant to the 

authority delegated to me by the 

Administrator, the following special 

conditions are issued as part of the type 

certification basis for electronic systemsecurity protection from unauthorized 

external access on the Gulfstream 

Aerospace Corporation Model GVII– 

G500 airplane. 

1. The applicant must ensure that the 

airplane electronic systems are 

protected from access by unauthorized 

sources external to the airplane, 

including those possibly caused by 

maintenance activity. 

2. The applicant must ensure that 

electronic system-security threats are 

identified and assessed, and that 

effective electronic system-security 

protection strategies are implemented to 

protect the airplane from all adverse 

impacts on safety, functionality, and 

continued airworthiness. 

3. The applicant must establish 

appropriate procedures to allow the 

operator to ensure that continued 

airworthiness of the airplane is 

maintained, including all post-typecertification modifications that may 

have an impact on the approved 

electronic system-security safeguards. 

Issued in Renton, Washington, on April 8, 

2016. 

Michael Kaszycki, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service. 

[FR Doc. 2016–09335 Filed 4–21–16; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2016–5592; Directorate 

Identifier 2016–NM–040–AD; Amendment 

39–18488; AD 2016–08–12] 

RIN 2120–AA64 

Airworthiness Directives; The Boeing 

Company Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule; request for 

comments. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for The 

Boeing Company Model 787–8 and 787– 

9 airplanes powered by General Electric 

(GE) GEnx–1B engines. This AD 

requires revising the airplane flight 

manual (AFM) to provide the flight crew 

a revised fan ice removal procedure and 

a new associated mandatory flight crew 

briefing to reduce the likelihood of 

engine damage due to fan ice shedding. 

This AD also removes certain dispatch 

relief. For airplanes with certain 

engines, this AD also requires reworking 

or replacing at least one engine. This AD 

was prompted by a recent engine fan 

blade rub event that caused an in-flight 

non-restartable power loss. We are 

issuing this AD to prevent susceptibility 

to heavy fan blade rubs, which could 

result in engine damage and a possible 

in-flight non-restartable power loss of 

one or both engines. 

DATES: This AD is effective May 9, 2016. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in this AD 

as of May 9, 2016. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain other publication listed in 

this AD as of March 18, 2016 (81 FR 

14704, March 18, 2016). 

We must receive comments on this 

AD by June 6, 2016. 

ADDRESSES: You may send comments, 

using the procedures found in 14 CFR 

11.43 and 11.45, by any of the following 

methods: 

• Federal eRulemaking Portal: Go to 

http://www.regulations.gov. Follow the 

instructions for submitting comments. 

• Fax: 202–493–2251. 

• Mail: U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE., 

Washington, DC 20590. 

• Hand Delivery: U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE., 

Washington, DC 20590, between 9 a.m. 

and 5 p.m., Monday through Friday, 

except Federal holidays. 

For service information identified in 

this final rule, contact General Electric 

Company, GE Aviation, Room 285, 1 

Neumann Way, Cincinnati, OH 45215; 

phone: 513–552–3272; email: 

aviation.fleetsupport@ge.com. You may 

view this referenced service information 

at the FAA, Transport Airplane 

Directorate, 1601 Lind Avenue SW., 

Renton, WA. For information on the 

availability of this material at the FAA, 

call 425–227–1221. It is also available 

on the Internet at http://

www.regulations.gov by searching for 

and locating Docket No. FAA–2016– 

5592. 

Examining the AD Docket 

You may examine the AD docket on 

the Internet at http://

www.regulations.gov by searching for 

and locating Docket No. FAA–2016– 

5592; or in person at the Docket 

Management Facility between 9 a.m. 

and 5 p.m., Monday through Friday, 

except Federal holidays. The AD docket 

contains this AD, the regulatory 

evaluation, any comments received, and 


asabaliauskas on DSK3SPTVN1PROD with RULES