
[Federal Register Volume 84, Number 15 (Wednesday, January 23, 2019)]
[Rules and Regulations]
[Pages 209-212]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2019-00104]



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 Rules and Regulations
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  Federal Register / Vol. 84, No. 15 / Wednesday, January 23, 2019 / 
Rules and Regulations  

[[Page 209]]



DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2018-1085; Product Identifier 2018-SW-100-AD; Amendment 
39-19541; AD 2019-01-02]
RIN 2120-AA64


Airworthiness Directives; Aspen Avionics, Inc., Evolution Flight 
Display Units

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

-----------------------------------------------------------------------

SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
Aspen Avionics, Inc. (Aspen), Evolution Flight Display (EFD) EFD1000 
Primary Flight Display (PFD), EFD1000 Multi-Function Display (MFD), 
EFD1000 Emergency Backup Display (EBD), and EFD500 MFD units installed 
on various aircraft. This AD requires disabling the Automatic Dependent 
Surveillance-Broadcast (ADS-B) In function and revising the Airplane 
Flight Manual Supplement (AFMS). This AD was prompted by reports of 
flight displays repetitively resetting. We are issuing this AD to 
address the unsafe condition on these products.

DATES: This AD is effective February 7, 2019.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of February 7, 
2019.
    We must receive comments on this AD by March 11, 2019.

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 
Aspen Avionics, Inc., 5001 Indian School Rd. NE, Suite 100, 
Albuquerque, NM 87110; telephone 888-992-7736; email 
fieldserviceengineers@aspenavionics.com; or at https://aspenavionics.com. 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. It is also available on 
the internet at http://www.regulations.gov by searching for and 
locating Docket No. FAA-2018-1085.

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-2018-
1085; 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 regulatory evaluation, the Special Airworthiness 
Information Bulletin (SAIB), any comments received, and other 
information. The street address for Docket Operations (phone: 800-647-
5527) is listed above. Comments will be available in the AD docket 
shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Kristi Bradley, Aerospace Engineer, 
COS Section, Fort Worth ACO Branch, FAA, 10101 Hillwood Pkwy., Fort 
Worth, TX 76177; telephone 817-222-5140; email kristin.bradley@faa.gov.

SUPPLEMENTARY INFORMATION: 

Discussion

    On November 21, 2018, we issued SAIB SW-18-31 to alert owners and 
operators of an airworthiness concern for aircraft with an Aspen 
EFD1000 PFD, an EFD1000 MFD, an EFD1000 EBD, or an EFD500 MFD unit, as 
installed by Supplemental Type Certificate (STC) No. SA10822SC. SAIB 
SW-18-31 was prompted by 14 reports of flight display units repeatedly 
resetting, uncommanded, in flight. In installations where multiple 
Aspen EFDs provide redundancy, this repeat resetting may result in loss 
of all altitude, attitude, and airspeed information during the reset 
period. The units reset in five- to ten-minute intervals. For each 
occurrence, it may take the display up to one minute to recover. While 
the cause of this issue is under investigation, preliminary information 
suggests that the cause may be related to the ADS-B In (FIS-B) Weather 
Interface option installed on the units with software version 2.9. SAIB 
SW-18-31 recommends restricting flight to flight under Visual Flight 
Rules (VFR) only and suspending night operations to allow safe 
operation in the event of loss of flight display functionality. 
Alternatively, SAIB SW-18-31 recommends disabling the ADS-B In (FIS-B) 
option, which is not required. SAIB SW-18-31 also requests that owners 
and operators notify the FAA of aircraft that experience any similar 
events.
    SAIB SW-18-31 was issued to notify the public that an unsafe 
condition may exist. Since we issued SAIB SW-18-31, additional analysis 
of the reports of uncommanded resets and the nature of the possible 
unsafe condition were evaluated, and we have determined that a more 
urgent safety need requiring AD action is necessary. As a result, we 
are adopting this AD for certain Aspen EFD1000 PFD, EFD1000 MFD, 
EFD1000 EBD, and EFD500 MFD units installed on various airplanes. This 
AD requires disabling the ADS-B In function and revising the AFMS to 
reflect that the ADS-B In has been disabled on the unit. The actions 
specified in this AD are intended to prevent intermittent loss of 
airspeed, attitude, and altitude information during flight. The unsafe 
condition, if not addressed, could result in loss of control of the 
airplane in Instrument Meteorological Conditions (IMC) or at night.

Related Service Information Under 1 CFR Part 51

    We reviewed Aspen Avionics Mandatory Service Bulletin No. SB2018-
01, dated November 21, 2018.

[[Page 210]]

This service information contains procedures to disable the ADS-B In 
function and revise the AFMS.
    This service information 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.

Other Related Service Information

    We reviewed Aspen Avionics AFMS No. 900-00008-001, Revision AD, 
dated November 18, 2016, and approved December 8, 2016. This service 
information contains general information, operating limitations, 
emergency and normal procedures, performance information, weight and 
balance information, and system description information for airplanes 
with Aspen flight display units installed.

FAA's Determination

    We are issuing this AD because we evaluated all the relevant 
information and determined the unsafe condition described previously is 
likely to exist or develop in other products of these same designs.

AD Requirements

    This AD requires disabling the ADS-B In function in each installer 
menu by changing the RS-232 INPUT for the bus connected to the ADS-B In 
to NONE. This AD also requires revising the AFMS to reflect each 
disabled unit.

Differences Between the AD and the Service Information

    The service information specifies contacting an Aspen Avionics 
dealer to disable the ADS-B In function, whereas this AD requires 
contacting the FAA for approval of the procedure.

Interim Action

    We consider this AD interim action. The design approval holder is 
currently developing a modification that will address the unsafe 
condition identified in this AD. Once this modification is developed, 
approved, and available, we might consider additional rulemaking.

FAA's Justification and Determination of the Effective Date

    An unsafe condition exists that requires the immediate adoption of 
this AD without providing an opportunity for public comments prior to 
adoption. The FAA has found that the risk to the flying public 
justifies waiving notice and comment prior to adoption of this rule 
because intermittent loss of airspeed, attitude, and altitude 
information during flight could result in loss of control of the 
airplane in Instrument Meteorological Conditions (IMC) or at night. The 
compliance time for the required action is shorter than the time 
necessary for the public to comment and for publication of the final 
rule. Therefore, we find good cause that notice and opportunity for 
prior public comment are impracticable. In addition, for the reason 
stated above, we find that good cause exists for making this amendment 
effective in less than 30 days.

Comments Invited

    This AD is a final rule that involves requirements affecting flight 
safety and was not preceded by notice and an opportunity for public 
comment. However, we invite you to send any written data, views, or 
arguments about this final rule. Send your comments to an address 
listed under the ADDRESSES section. Include Docket No. FAA-2018-1085 
and Product Identifier 2018-SW-100-AD at the beginning of your 
comments. We specifically invite comments on the overall regulatory, 
economic, environmental, and energy aspects of this final rule. We will 
consider all comments received by the closing date and may amend this 
final rule because of those comments.
    We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We 
will also post a report summarizing each substantive verbal contact we 
receive about this final rule.

Costs of Compliance

    We estimate that this AD affects 2,000 aircraft of U.S. registry. 
We estimate that operators may incur the following costs in order to 
comply with this AD. Labor costs are estimated at $85 per work-hour.
    Disabling the ADS-B In function and revising the AFMS would take 
about 0.5 work-hour for an estimated cost of $43 per unit and up to 
$258,000 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.
    We are 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 
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.
    This AD is issued in accordance with authority delegated by the 
Executive Director, Aircraft Certification Service, as authorized by 
FAA Order 8000.51C. In accordance with that order, issuance of ADs is 
normally a function of the Compliance and Airworthiness Division, but 
during this transition period, the Executive Director has delegated the 
authority to issue ADs applicable to small airplanes, gliders, 
balloons, airships, domestic business jet transport airplanes, and 
associated appliances to the Director of the Policy and Innovation 
Division.

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) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) 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.

Adoption of 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

0
1. The authority citation for part 39 continues to read as follows:

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

[[Page 211]]

Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness 
directive (AD):

2019-01-02 Aspen Avionics, Inc.: Amendment 39-19541; Docket No. FAA-
2018-1085; Product Identifier 2018-SW-100-AD.

(a) Effective Date

    This AD is effective February 7, 2019.

(b) Affected ADs

    None.

(c) Applicability

    (1) This AD applies to Aspen Avionics, Inc., Evolution Flight 
Display (EFD) EFD1000 Primary Flight Display, EFD1000 Multi-Function 
Display (MFD), EFD1000 Emergency Backup Display, or EFD500 MFD 
units, that are installed on various aircraft and meet all 
conditions in paragraphs (c)(1)(i), (c)(1)(ii), and (c)(1)(iii) of 
this AD.
    (i) Software version 2.9 (SW 2.9) is installed;
    (ii) The Flight Information Service-Broadcast (FIS-B) Weather 
Interface option is enabled; and
    (iii) Independent airspeed, attitude, and altitude back-up 
instruments are not installed.
    (2) Airplanes known to have these flight display units installed 
include, but are not limited to, the following:
    (i) Aermacchi S.p.A. Model S.205--18/F, S.205--18/R, S.205--20/
F, S.205--20/R, S.205--22/R, S.208, and S.208A airplanes;
    (ii) Aeronautica Macchi S.p.A. Model AL 60 (previously 
designated as Model LASA 60), AL 60-B, AL 60-C5, and AL 60-F5 
airplanes;
    (iii) Aerostar Aircraft Corporation Model PA-60-600 (Aerostar 
600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P), and PA-
60-602P (Aerostar 602P) airplanes;
    (iv) Alexandria Aircraft, LLC (type certificate previously held 
by Bellanca, Inc.), Model 14-19, 14-19-2, 14-19-3, 14-19-3A, 17-30, 
17-30A, 17-31, 17-31A, 17-31ATC, and 17-31TC airplanes;
    (v) American Champion Aircraft Corp. Model 402, 7ECA, 7GCAA, 
7GCBC, 7KCAB, 8GCBC, and 8KCAB airplanes;
    (vi) APEX Aircraft Model CAP 10 B airplanes;
    (vii) Cirrus Design Corporation Model SR20 and SR22 airplanes;
    (viii) Commander Aircraft Corporation (type certificate 
previously held by CPAC, Inc.) Model 112, 112B, 112TC, 112TCA, 114, 
114A, 114B, and 114TC airplanes;
    (ix) Consolidated Vultee Aircraft Corporation, Stinson Division, 
Model V-77 (Army AT-19) airplanes;
    (x) Diamond Aircraft Industries, Inc., Model DA20-A1 and DA20-C1 
airplanes;
    (xi) Diamond Aircraft Industries, Inc. (type certificate 
previously held by Diamond Aircraft Industries GmbH), Model DA 40 
and DA 40F airplanes;
    (xii) Discovery Aviation, Inc. (type certificate previously held 
by Liberty Aerospace Incorporated), Model XL-2 airplanes;
    (xiii) Dynac Aerospace Corporation Model Aero Commander 100, 
Aero Commander 100A, Aero Commander 100-180, Volaire 10, and Volaire 
10A airplanes;
    (xiv) EADS-PZL ``Warszawa-Okecie'' S.A. (type certificate 
previously held by Panstwowe Zaklady Lotnicze) Model PZL-104 WILGA 
80, PZL-104M WILGA 2000, PZL-104MA WILGA 2000, PZL-KOLIBER 150A, and 
PZL-KOLIBER 160A airplanes;
    (xv) Extra Flugzeugproduktions- und Vertriebs- GmbH (type 
certificate previously held by Extra Flugzeugbau GmbH) Model EA 300, 
EA 300/L, EA 300/S, EA 300/200, and EA 400 airplanes;
    (xvi) Frakes Aviation (type design controlled by FAA, Southern 
Region, for Grumman American Aviation Corporation) Model G-44 (Army 
OA-14, Navy J4F-2), G-44A, and SCAN Type 30 airplanes;
    (xvii) FS 2003 Corporation (type certificate previously held by 
The New Piper Aircraft, Inc.) Model PA-12 and PA-12S airplanes;
    (xviii) GROB Aircraft AG (type certificate previously held by 
GROB Aerospace GmbH i.l.) Model G115, G115A, G115B, G115C, G115C2, 
G115D, G115D2, G115EG, and G120A airplanes;
    (xix) Helio Aircraft, LLC, Model H-250, H-295 (USAF U-10D), H-
391 (USAF UL-24), H-391B, H-395 (USAF L-28A and U-10B), H-395A, H-
700, H-800, HST-550, HST-550A (USAF AU-24A), and HT-295 airplanes;
    (xx) Interceptor Aviation, Inc. (type certificate previously 
held by Interceptor Aircraft Corporation), Model 200, 200A, 200B, 
200C, 200D, and 400 airplanes;
    (xxi) Lockheed Martin Aeronautics Company Model 402-2 airplanes;
    (xxii) Maule Aerospace Technology, Inc. (type certificate 
previously held by Maule Aircraft Corporation), Model Bee Dee M-4, 
M-4, M-4C, M-4S, M-4T, M-4-180C, M-4-180S, M-4-180T, M-4-210, M-4-
210C, M-4-210S, M-4-210T, M-4-220, M-4-220C, M-4-220S, M-4-220T, M-
5-180C, M-5-200, M-5-210C, M-5-210TC, M-5-220C, M-5-235C, M-6-180, 
M-6-235, M-7-235, M-7-235A, M-7-235B, M-7-235C, M-7-260, M-7-260C, 
M-7-420A, M-7-420AC, M-8-235, MT-7-235, MT-7-260, MT-7-420, MX-7-
160, MX-7-160C, MX-7-180, MX-7-180A, MX-7-180AC, MX-7-180B, MX-7-
180C, MX-7-235, MX-7-420, MXT-7-160, MXT-7-180, and MXT-7-180A 
airplanes;
    (xxiii) Mooney Aircraft Corporation Model M22 airplanes.
    (xxiv) Mooney International Corporation (type certificate 
previously held by Mooney Aviation Company, Inc.) Model M20, M20A, 
M20B, M20C, M20D, M20E, M20F, M20G, M20J, M20K, M20L, M20M, M20R, 
and M20S airplanes;
    (xxv) Pacific Aerospace, Ltd. (type certificate previously held 
by Found Aircraft Canada, Inc.), Model FBA-2C, FBA-2C1, and FBA-2C2 
airplanes;
    (xxvi) Pilatus Aircraft, Ltd., Model PC-6, PC-6-H1, PC-6-H2, PC-
6/350, PC-6/350-H1, PC-6/350-H2, PC6/A, PC-6/A-H1, PC-6/A-H2, PC-6/
B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2 
airplanes;
    (xxvii) Piper Aircraft, Inc. (type certificate previously held 
by The New Piper Aircraft, Inc.), Model PA-18, PA-18 ``105'' 
(Special), PA-18 ``125'' (Army L-21A), PA-18 ``135'' (Army L-21B), 
PA-18 ``150,'' PA-18A, PA-18A``135,'' PA-18A ``150,'' PA-18AS 
``125,'' PA-18AS ``135,'' PA-18AS ``150,'' PA-18S, PA-18S ``105'' 
(Special), PA-18S ``125,'' PA-18S ``135,'' PA-18S ``150,'' PA-19 
(Army L-18C), PA-19S, PA-20, PA-20 ``115,'' PA-20 ``135,'' PA-20S, 
PA-20S ``115,'' PA-20S ``135,'' PA-22, PA-22-108, PA-22-135, PA-22-
150, PA-22-160, PA-22S-135, PA-22S-150, PA-22S-160, PA-23, PA-23-
160, PA-23-235, PA-23-250, PA-24, PA-24-250, PA-24-260, PA-24-400, 
PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-161, PA-28-180, 
PA-28-181, PA-28-201T, PA-28-235, PA-28-236, PA-28R-180, PA-28R-200, 
PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T, PA-28S-160, PA-
28S-180, PA-30, PA-32-260, PA-32-300, PA-32-301, PA-32-301FT, PA-32-
301T, PA-32-301XTC, PA-32R-300, PA-32R-301 (HP), PA-32R-301 (SP), 
PA-32R-301T, PA-32RT-300, PA-32RT-300T, PA-32S-300, PA-34-200, PA-
34-200T, PA-34-220T, PA-39, PA-40, PA-44-180, PA-44-180T, PA-46-
310P, and PA-46-350P airplanes;
    (xxviii) Polskie Zaklady Lotnieze Spolka zo.o (type certificate 
previously held by PZL MIELEC) Model PZL M26 01 airplanes;
    (xxix) Revo, Incorporated Model Colonial C-1, Colonial C-2, Lake 
LA-4, Lake LA-4A, Lake LA-4P, Lake LA-4-200, and Lake Model 250 
airplanes;
    (xxx) Robert E. Rust, Jr. (type certificate previously held by 
Robert E. Rust), Model DHC-1 Chipmunk Mk 21, DHC-1 Chipmunk Mk 22 
and DHC-1 Chipmunk Mk 22A airplanes;
    (xxxi) Sierra Hotel Aero, Inc. (type certificate previously held 
by Navion Aircraft, LLC), Model Navion (Army L-17A), Navion A (Army 
L-17B and L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, 
and Navion H airplanes;
    (xxxii) Slingsby Aviation, Ltd., Model T67M260 and T67M260-T3A 
airplanes;
    (xxxiii) SOCATA (type certificate previously held by Socata 
Groupe Aerospatiale) Model MS 880B, MS 885, MS 892A-150, MS 892E-
150, MS 893A, MS 893E, MS 894A, MS 894E, Rallye 100S, Rallye 150ST, 
Rallye 150T, Rallye 235C, Rallye 235E, TB 9, TB 10, TB 20, TB 21, 
and TB 200 airplanes;
    (xxxiv) SOCATA, S.A., Socata Groupe Aerospatiale, Model GA-7 
(Cougar) airplanes;
    (xxxv) Spartan Model 7W (Army UC-71) airplanes;
    (xxxvi) Swift Museum Foundation, Inc., Model GC-1A and GC-1B 
airplanes;
    (xxxvii) Symphony Aircraft Industries, Inc. (type certificate 
previously held by Ostmecklenburgische Flugzeugbau GmbH), Model OMF-
100-160 and SA 160 airplanes;
    (xxxviii) Textron Aviation, Inc. (type certificate previously 
held by Cessna Aircraft Company), Model 120, 140, 140A, 150, 150A, 
150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, 150L, 150M, 
152, 170, 170A, 170B, 172, 172A, 172B, 172C, 172D, 172E, 172F (USAF 
T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 
172Q, 172R, 172RG, 172S, 175, 175A, 175B,

[[Page 212]]

175C, 177, 177A, 177B, 177RG, 180, 180A, 180B, 180C, 180D, 180E, 
180F, 180G, 180H, 180J, 180K, 182, 182A, 182B, 182C, 182D, 182E, 
182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 
182S, 182T, 185, 185A, 185B, 185C, 185D, 185E, 206, 206H, 207, 207A, 
210, 210A, 210B, 210C, 210D, 210E, 210F, 210G, 210H, 210J, 210K, 
210L, 210M, 210N, 210R, 210-5 (205), 210-5A (205A), 310, 310A (USAF 
U-3A), 310B, 310C, 310D, 310E (USAF U-3B), 310F, 310G, 310H, 310I, 
310J, 310J-1, 310K, 310L, 310N, 310P, 310Q, 310R, 320, 320A, 320B, 
320C, 320D, 320E, 320F, 320-1, 335, 336, 337, 337A, 337B, 340, 340A, 
A150K, A150L, A150M, A152, A185E, A185F, E310H, E310J, LC40-550FG, 
LC41-550FG, LC42-550FG, P172D, P206, P206A, P206B, P206C, P206D, 
P206E, P210N, P210R, R172E (USAF T-41B, USAF T-41C or D), R172F 
(USAF T-41D), R172G (USAF T-41C or D), R172H (USAF T-41D), R172J, 
R172K, R182, T182, T182T, T206H, T207, T207A, T210F, T210G, T210H, 
T210J, T210K, T210L, T210M, T210N, T210R, T-303, T310P, T310Q, 
T310R, TP206A, TP206B, TP206C, TP206D, TP206E, TR182, TU206A, 
TU206B, TU206C, TU206D, TU206E, TU206F, TU206G, U206, U206A, U206B, 
U206C, U206D, U206E, U206F, and U206G airplanes;
    (xxxix) Textron Aviation, Inc. (type certificate previously held 
by Hawker Beechcraft Corporation and Beechcraft Corporation), Model 
19A, 23, 35, 35R, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, 36, 45 
(YT-34), 50 (L-23A), 56TC, 58, 58A, 58P, 58PA, 58TC, 58TCA, 76, 95, 
95-55, 95-A55, 95-B55, 95-B55A, 95-B55B (T-42), 95-C55, 95-C55A, 
A23, A23A, A23-19, A23-24, A24, A24R, A35, A36, A36TC, A45 (T-34A, 
B-45), A56TC, B19, B23, B24R, B35, B36TC, B50 (L-23B), B95, B95A, 
C23, C24R, C35, C50, D35, D45 (T-34B), D50 (L-23E), D50A, D50B, 
D50C, D50E, D50E-5990, D55, D55A, D95A, E33, E33A, E33C, E35, E50 
(L-23D, RL-23D), E55, E55A, E95, F33, F33A, F33C, F35, F50, G33, 
G35, G50, H35, H50, J35, J50, K35, M19A, M35, N35, P35, S35, V35, 
V35A, and V35B airplanes;
    (xl) The Boeing Company (type certificate previously held by 
Rockwell International) Model AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, 
AT-6C (SNJ-4), AT-6D (SNJ-5), AT-6F (SNJ-6), BC-1A, SNJ-7, and T-6G 
airplanes;
    (xli) The King's Engineering Fellowship (TKEF) Model 44 
airplanes;
    (xlii) The Waco Aircraft Company (type certificate transferred 
to the public domain) Model YMF airplanes;
    (xliii) Topcub Aircraft, Inc. (type certificate previously held 
by Cub Crafters, Inc.), Model CC18-180 and CC18-180A airplanes;
    (xliv) True Flight Holdings, LLC (type certificate previously 
held by Tiger Aircraft, LLC), Model AA-1, AA-1A, AA-1B, AA-1C, AA-5, 
AA-5A, AA-5B, and AG-5B airplanes;
    (xlv) Twin Commander Aircraft, LLC, Model 500, 520, 560, and 
560A airplanes;
    (xlvi) Univair Aircraft Corporation Model 108, 108-1, 108-2, 
108-3, and 108-5 airplanes;
    (xlvii) Viking Air Limited (type certificate previously held by 
Bombardier, Inc., and deHavilland, Inc.) Model DHC-2 Mk. I, DHC-2 
Mk. II, and DHC-2 Mk. III airplanes;
    (xlviii) Vulcanair S.p.A. (type certificate previously held by 
Partenavia Costruzioni Aeronautiche S.p.A.) Model AP68TP-300 
``Spartacus,'' AP68TP-600 ``Viator,'' P.68, P.68 ``Observer,'' P.68 
``Observer 2,'' P.68B, P.68C, P.68C-TC, and P.68TC ``Observer'' 
airplanes;
    (xlix) WSK PZL Mielec and OBR SK Mielec Model PZL M20 03 
airplanes;
    (l) W.Z.D. Enterprises, Inc. (type certificate previously held 
by JGS Properties, LLC, and Quartz Mountain Aerospace, Inc.), Model 
11A and 11E airplanes;
    (li) Zenair, Ltd., Model CH2000 airplanes; and
    (lii) Zlin Aircraft a.s. (type certificate previously held by 
Moravan a.s.) Model Z-143L and Z-242L airplanes.

(d) Subject

    Joint Aircraft System Component (JASC): 3410, Flight Environment 
Data; and 3420, Attitude and Direction Data System.

(e) Unsafe Condition

    This AD was prompted by reports of repetitive uncommanded 
resetting of the flight display units. We are issuing this AD to 
prevent intermittent loss of airspeed, attitude, and altitude 
information during flight. The unsafe condition, if not addressed, 
could result in loss of control of the airplane in Instrument 
Meteorological Conditions (IMC) or at night.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Required Actions

    Before the next flight in IMC or at night, or within 25 hours' 
time-in-service, whichever occurs first:
    (1) Disable the Automatic Dependent Surveillance-Broadcast (ADS-
B) In function in each unit by following the Procedure, paragraphs 
5.2.a. and b., of Aspen Avionics Mandatory Service Bulletin No. 
SB2018-01, dated November 21, 2018 (SB2018-01); except, where 
SB2018-01 specifies contacting an Aspen Avionics dealer to disable 
the ADS-B In function, this AD requires disabling the ADS-B IN 
function using a method approved in accordance with paragraph (h) of 
this AD.
    (2) Revise the Airplane Flight Manual Supplement in accordance 
with paragraph 5.2.c of SB2018-01.
    Note 1 to paragraph (g)(2) of this AD: The AFM for the aircraft 
affected by this AD is required to be furnished with the aircraft, 
per 14 CFR 23.1581. Further, operators of the aircraft affected by 
this AD must operate in accordance with the limitations specified in 
the AFM, per 14 CFR 91.9.

(h) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Fort Worth ACO 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 certification office, send it to the attention of 
the person identified in paragraph (i) of this AD.
    (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.

(i) Related Information

    For more information about this AD, contact Kristi Bradley, 
Aerospace Engineer, COS Section, Fort Worth ACO Branch, FAA, 10101 
Hillwood Pkwy., Fort Worth, TX 76177; telephone 817-222-5140; email 
kristin.bradley@faa.gov.

(j) Material Incorporated by Reference

    (1) The Director of the Federal Register approved the 
incorporation by reference (IBR) 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) Aspen Avionics Mandatory Service Bulletin No. SB2018-01, 
dated November 21, 2018 (the date is printed only on the first 
page).
    (ii) [Reserved]
    (3) For service information identified in this AD, contact Aspen 
Avionics, Inc., 5001 Indian School Rd. NE, Suite 100, Albuquerque, 
NM 87110; telephone 888-992-7736; email 
fieldserviceengineers@aspenavionics.com; or at https://aspenavionics.com/.
    (4) You may view this service information at 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, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.


    Issued in Kansas City, Missouri, on January 16, 2019.
Melvin J. Johnson,
Deputy Director, Policy and Innovation Division, AIR-601, Aircraft 
Certification Service.
[FR Doc. 2019-00104 Filed 1-22-19; 8:45 am]
 BILLING CODE 4910-13-P


