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Published 2015-03-30 · Federal Register document 2015-07104

Airworthiness Directives; Pacific Aerospace Limited Airplanes

Publication summary

We are adopting a new airworthiness directive (AD) for Pacific Aerospace Limited (PAL) Model 750XL airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as PAL Model 750XL airplanes manufactured with only one attitude indicator. A second attitude indicator is required for flights under instrument flight rules. We are issuing this AD to require actions to address the unsafe condition on these products.

Why this record is shown

Source: Federal Register annual FAA metadata. Acquired 2026-09-03T22:23:48.517946+00:00. The title, summary and date are source facts.

Source revision
federal_register_ad_metadata_2015-3bb842c840a7e6e6
Source row
results[75]
Raw source SHA-256
3bb842c840a7e6e6e43779ca68008e1e63ad8287ad840c3a981d1f66a934b14b

Final-rule publication

Recorded publication clauses

AD identifier printed in this edition
2015-06-09
Effective date printed in this edition
2015-05-04
Read 9 complete recorded clauses
Effective Date
(a) Effective Date

    This airworthiness directive (AD) becomes effective May 4, 2015.

Exact source excerpt. Text positions 8522–8612, end exclusive, in the original decoded publication. SHA-256: 2ea328f262b8789926b3229c0c83438ef59b1dc2ade15ba82d6f9f4fa4f707e3

Affected ADs
(b) Affected ADs

    None.

Exact source excerpt. Text positions 8612–8641, end exclusive, in the original decoded publication. SHA-256: 871a4afc60ceeae06e8010585055188633d616078500c45937092bfe892239c0

Applicability wording · Applicability
(c) Applicability

    This AD applies to Pacific Aerospace Limited Model 750XL 
airplanes, all serial numbers, certificated in any category.

Exact source excerpt. Text positions 8641–8784, end exclusive, in the original decoded publication. SHA-256: a717844dc3a4e0365771c4c85750693e1c22b480d1395039eed6123815ef49d5

Subject
(d) Subject

    Air Transport Association of America (ATA) Code 34: Navigation.

Exact source excerpt. Text positions 8784–8866, end exclusive, in the original decoded publication. SHA-256: 37128440f7042e34f1113098d824522cbf7be514727398b52228aa09e09aaa6c

Reason
(e) Reason

    This AD was prompted by mandatory continuing airworthiness 
information (MCAI) originated by an aviation authority of another 
country to identify and correct an unsafe condition on an aviation 
product. The MCAI describes the unsafe condition as Pacific 
Aerospace Limited Model 750XL airplanes manufactured with instrument 
panels with only one attitude indicator. A second attitude indicator 
is required to operate under instrument flight rules (IFR). A 
reversionary attitude indicator reduces the probability of a single 
point failure, which could result in loss of control. We are issuing 
this proposed AD to install a reversionary attitude indicator before 
operating in IFR conditions.

Exact source excerpt. Text positions 8866–9580, end exclusive, in the original decoded publication. SHA-256: 825dd228d4edbfe60bedc7e00b6aee1b850aec4aefeffed1a03e06e8376cb781

Actions and Compliance
(f) Actions and Compliance

    Unless already done, before the next flight requiring instrument 
flight rules (IFR) after the effective date of this AD, install a 
second attitude indicator into the right hand instrument panel or 
enable the reversionary mode on a Sandel SN3500 electronic 
horizontal situation indicator (EHSI), if installed, whichever is 
applicable, following the ACCOMPLISHMENT INSTRUCTIONS in Pacific 
Aerospace Limited Mandatory Service Bulletin PACSB/XL/074, Issue 2, 
dated November 4, 2014.

Exact source excerpt. Text positions 9580–10099, end exclusive, in the original decoded publication. SHA-256: 784456894aadd1a5dcd71614c3a02816b30680b9ca85c891fad003e0675dd4df

Other FAA AD Provisions
(g) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
Standards Office, FAA, has the authority to approve AMOCs for this 
AD, if requested using the procedures found in 14 CFR 39.19. Send 
information to ATTN: Karl Schletzbaum, Aerospace Engineer, 901 
Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-
4123; fax: (816) 329-4090; email:

[[Page 16555]]

[email protected]. Before using any approved AMOC on any 
airplane to which the AMOC applies, notify your appropriate 
principal inspector (PI) in the FAA Flight Standards District Office 
(FSDO), or lacking a PI, your local FSDO.
    (2) Airworthy Product: For any requirement in this AD to obtain 
corrective actions from a manufacturer or other source, use these 
actions if they are FAA-approved. Corrective actions are considered 
FAA-approved if they are approved by the State of Design Authority 
(or their delegated agent). You are required to assure the product 
is airworthy before it is returned to service.

Exact source excerpt. Text positions 10099–11184, end exclusive, in the original decoded publication. SHA-256: f31ec76a30e133f37adb9a908c1f3d7892a521e1778f1eecdd095c7202adb887

Related Information
(h) Related Information

    Refer to MCAI in Civil Aviation Authority (CAA) AD DCA/750XL/
17A, dated November 6, 2014, for related information. The MCAI can 
be found in the AD docket on the Internet at http://www.regulations.gov/#!documentDetail;D=FAA-2014-1002-0002.

Exact source excerpt. Text positions 11184–11455, end exclusive, in the original decoded publication. SHA-256: 439150b5ecf1709b507559362cee837ed930356d81bc7a502372b3eb59e3b68b

Material Incorporated by Reference
(i) 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) Pacific Aerospace Limited Mandatory Service Bulletin PACSB/
XL/074, Issue 2, dated November 4, 2014.
    (ii) Reserved.
    (3) For service information identified in this AD, contact 
Pacific Aerospace Limited, Airport Road, Private Bag 3027, Hamilton 
3240, New Zealand; telephone: +64 7 843 6144; fax: +64 7 843 6134; 
email: [email protected]; Internet: http://www.aerospace.co.nz/.
    (4) You may view this service information at the FAA, Small 
Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For 
information on the availability of this material at the FAA, call 
(816) 329-4148. In addition, you can access this service information 
on the Internet at http://www.regulations.gov by searching for and 
locating Docket No. FAA-2014-1002.
    (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.

Exact source excerpt. Text positions 11455–12883, end exclusive, in the original decoded publication. SHA-256: 9c61f2f1030f9afd4d9360a8dbd0716225a67bf21ec3e8704d32c44a5ec28e2d

No replacement link has been established from this edition. The complete historical rule chain and current legal effect remain unknown.

Find all recorded historical references to AD 2015-06-09 · 0 printed reference observations in this pinned collection.

These are observations from one dated publication. Current legal status is unknown; aircraft applicability, installed configuration, compliance and burden require separate evidence. Missing or unparsed conditions remain unknown.

Why these observations are shown

They were extracted offline from the same immutable official HTML source as the complete recorded text. The dated source wording, original text coordinates and exact quote digests are retained. PDF/text agreement and current regulatory effect have not been qualified.

Observation revision: whole-ad-publication-clause-observations-1.0.1. Text SHA-256: d668c5b1a1932222b1fe63908725272de9122cf2a16d89762243a2a325d91424. Source manifest: f44d3f3d60f82767deddc7bccca4231633fe15edc65f8b47c927fc49de93f832.

Official source · 2015-03-30

Publication text

This is the complete recorded text of this dated publication.

Current legal effect is unknown. Aircraft applicability, installed configuration and compliance require separate evidence. PDF/text agreement has not been evaluated.

Read the complete official publication text
[Federal Register Volume 80, Number 60 (Monday, March 30, 2015)]
[Rules and Regulations]
[Pages 16553-16555]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2015-07104]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2014-1002; Directorate Identifier 2014-CE-033-AD; 
Amendment 39-18127; AD 2015-06-09]
RIN 2120-AA64


Airworthiness Directives; Pacific Aerospace Limited Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of 
Transportation (DOT).

ACTION: Final rule.

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

SUMMARY: We are adopting a new airworthiness directive (AD) for Pacific 
Aerospace Limited (PAL) Model 750XL airplanes. This AD results from 
mandatory continuing airworthiness information (MCAI) issued by an 
aviation authority of another country to identify and correct an unsafe 
condition on an aviation product. The MCAI describes the unsafe 
condition as PAL Model 750XL airplanes manufactured with only one 
attitude indicator. A second attitude indicator is required for flights 
under instrument flight rules. We are issuing this AD to require 
actions to address the unsafe condition on these products.

DATES: This AD is effective May 4, 2015.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in the AD as of May 4, 2015.

ADDRESSES: You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2014-
1002; or in person at Document Management Facility, 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 service information identified in this AD, contact Pacific 
Aerospace Limited, Airport Road, Private Bag 3027, Hamilton 3240, New 
Zealand; telephone: +64 7 843 6144; fax: +64 7 843 6134; email: 
[email protected]; Internet: http://www.aerospace.co.nz/. You may 
view this referenced service information at the FAA, Small Airplane 
Directorate, 901 Locust, Kansas City, Missouri 64106. For information 
on the availability of this material at the FAA, call (816) 329-4148. 
It is also available on the Internet at http://www.regulations.gov by 
searching for and locating Docket No. FAA-2014-1002.

FOR FURTHER INFORMATION CONTACT: Karl Schletzbaum, Aerospace Engineer, 
FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, 
Missouri 64106; telephone: (816) 329-4123; fax: (816) 329-4090; email: 
[email protected].

SUPPLEMENTARY INFORMATION: 

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to add an AD that would apply to Pacific Aerospace Limited 
Model 750XL airplanes. The NPRM was published in the Federal Register 
on December 8, 2014 (79 FR 72564). The NPRM proposed to correct an 
unsafe condition for the specified products and was based on mandatory 
continuing airworthiness information (MCAI) originated by an aviation 
authority of another country. The MCAI states:

    This AD with effective date 10 November 2014 is prompted by a 
recent determination that certain PAL750XL aircraft were 
inadvertently manufactured with instrument panels with only one 
Attitude Indicator (AI). A second AI is required for PAL750XL 
operating under Instrument Flight Rules (IFR).

[[Page 16554]]

    The AD mandates the installation of either a second AI, or the 
enablement of Reversionary Attitude mode in the Sandel Electronic 
Horizontal Situation Indicator (EHSI), if fitted, when operating 
under IFR.

The MCAI can be found in the AD docket on the Internet at: http://www.regulations.gov/#!documentDetail;D=FAA-2014-1002-0002.

Comments

    We gave the public the opportunity to participate in developing 
this AD. We received no comments on the NPRM (79 FR 72564, December 8, 
2014) or on the determination of the cost to the public.

Conclusion

    We reviewed the relevant data and determined that air safety and 
the public interest require adopting the AD as proposed except for 
minor editorial changes. We have determined that these minor changes:
    <bullet> Are consistent with the intent that was proposed in the 
NPRM (79 FR 72564, December 8, 2014) for correcting the unsafe 
condition; and
    <bullet> Do not add any additional burden upon the public than was 
already proposed in the NPRM (79 FR 72564, December 8, 2014).

Relative Service Information Under 1 CFR part 51

    We reviewed Pacific Aerospace Limited Mandatory Service Bulletin 
PACSB/XL/074, Issue 2, dated November 4, 2014. The service bulletin 
describes procedures for installing a second attitude indicator or 
enabling the reversionary mode on a Sandel SN3500 electronic horizontal 
situation indicator (EHSI), if installed, whichever is applicable. This 
service information is reasonably available; see ADDRESSES for ways to 
access this service information.

Costs of Compliance

    We estimate that this AD will affect 17 products of U.S. registry. 
We also estimate that it would take about 6 work-hours per product to 
comply with the basic requirements of this AD. The average labor rate 
is $85 per work-hour. Required parts would cost about $3,500 per 
product.
    Based on these figures, we estimate the cost of the AD on U.S. 
operators to be $68,170, or $4,010 per product.

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.

Regulatory Findings

    We determined that 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 this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under the 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.

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-2014-
1002; 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 the NPRM, the regulatory evaluation, any comments received, 
and other information. The street address for the Docket Office 
(telephone (800) 647-5527) is in the ADDRESSES section. Comments will 
be available in the AD docket shortly after receipt.

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.

Sec.  39.13  [Amended]


0
2. The FAA amends Sec.  39.13 by adding the following new AD:

2015-06-09 Pacific Aerospace Limited: Amendment 39-18127; Docket No. 
FAA-2014-1002; Directorate Identifier 2014-CE-033-AD.

(a) Effective Date

    This airworthiness directive (AD) becomes effective May 4, 2015.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Pacific Aerospace Limited Model 750XL 
airplanes, all serial numbers, certificated in any category.

(d) Subject

    Air Transport Association of America (ATA) Code 34: Navigation.

(e) Reason

    This AD was prompted by mandatory continuing airworthiness 
information (MCAI) originated by an aviation authority of another 
country to identify and correct an unsafe condition on an aviation 
product. The MCAI describes the unsafe condition as Pacific 
Aerospace Limited Model 750XL airplanes manufactured with instrument 
panels with only one attitude indicator. A second attitude indicator 
is required to operate under instrument flight rules (IFR). A 
reversionary attitude indicator reduces the probability of a single 
point failure, which could result in loss of control. We are issuing 
this proposed AD to install a reversionary attitude indicator before 
operating in IFR conditions.

(f) Actions and Compliance

    Unless already done, before the next flight requiring instrument 
flight rules (IFR) after the effective date of this AD, install a 
second attitude indicator into the right hand instrument panel or 
enable the reversionary mode on a Sandel SN3500 electronic 
horizontal situation indicator (EHSI), if installed, whichever is 
applicable, following the ACCOMPLISHMENT INSTRUCTIONS in Pacific 
Aerospace Limited Mandatory Service Bulletin PACSB/XL/074, Issue 2, 
dated November 4, 2014.

(g) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
Standards Office, FAA, has the authority to approve AMOCs for this 
AD, if requested using the procedures found in 14 CFR 39.19. Send 
information to ATTN: Karl Schletzbaum, Aerospace Engineer, 901 
Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-
4123; fax: (816) 329-4090; email:

[[Page 16555]]

[email protected]. Before using any approved AMOC on any 
airplane to which the AMOC applies, notify your appropriate 
principal inspector (PI) in the FAA Flight Standards District Office 
(FSDO), or lacking a PI, your local FSDO.
    (2) Airworthy Product: For any requirement in this AD to obtain 
corrective actions from a manufacturer or other source, use these 
actions if they are FAA-approved. Corrective actions are considered 
FAA-approved if they are approved by the State of Design Authority 
(or their delegated agent). You are required to assure the product 
is airworthy before it is returned to service.

(h) Related Information

    Refer to MCAI in Civil Aviation Authority (CAA) AD DCA/750XL/
17A, dated November 6, 2014, for related information. The MCAI can 
be found in the AD docket on the Internet at http://www.regulations.gov/#!documentDetail;D=FAA-2014-1002-0002.

(i) 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) Pacific Aerospace Limited Mandatory Service Bulletin PACSB/
XL/074, Issue 2, dated November 4, 2014.
    (ii) Reserved.
    (3) For service information identified in this AD, contact 
Pacific Aerospace Limited, Airport Road, Private Bag 3027, Hamilton 
3240, New Zealand; telephone: +64 7 843 6144; fax: +64 7 843 6134; 
email: [email protected]; Internet: http://www.aerospace.co.nz/.
    (4) You may view this service information at the FAA, Small 
Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For 
information on the availability of this material at the FAA, call 
(816) 329-4148. In addition, you can access this service information 
on the Internet at http://www.regulations.gov by searching for and 
locating Docket No. FAA-2014-1002.
    (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 March 19, 2015.
Pat Mullen,
Acting Manager, Small Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2015-07104 Filed 3-27-15; 8:45 am]
 BILLING CODE 4910-13-P


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The complete text was extracted from the official GovInfo HTML edition for this publication. Acquired 2026-10-09T02:34:42.125405+00:00. Text extraction preserves the recorded source wording; it does not determine current requirements.

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Source SHA-256
d2e3505e400f7abd025714f2eb7bf6b935c984191cc14ded3742626fa56bd340
Text SHA-256
d668c5b1a1932222b1fe63908725272de9122cf2a16d89762243a2a325d91424

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These are dated publication metadata, recorded clauses and literal source observations. Word, model-label, header and reference matches do not establish current legal effect, manufacturer/model identity, aircraft applicability, installed configuration or compliance.

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