Clerk of the House of Representatives
Legislative Resource Center
135 Cannon Building
Washington, DC 20515
http://lobbyingdisclosure.house.gov 		Secretary of the Senate
Office of Public Records
232 Hart Building
Washington, DC 20510
http://www.senate.gov/lobby
LOBBYING REPORT

Lobbying Disclosure Act of 1995 (Section 5) - All Filers Are Required to Complete This Page

1. Registrant Name Organization/Lobbying Firm Self Employed Individual
OBADAL, FILLER, MACLEOD & KLEIN, P.L.C.

2. Address

Address1
121 NORTH HENRY STREET
 Address2
​
City
ALEXANDRIA
 State
VA
 Zip Code
22314
 Country
USA

3. Principal place of business (if different than line 2)

City
​
State
​
Zip Code
​
Country
​
4a. Contact Name b. Telephone Number c. E-mail
​Mr.
​Christian A. Klein
​7032990784
​christian.klein@potomac-law.com
5. Senate ID#
​81351-12
7. Client Name Self Check if client is a state or local government or instrumentality
​Aeronautical Repair Station Association
6. House ID#
​363090000
TYPE OF REPORT 8. Year
​2025
 Q1 (1/1 - 3/31) Q2 (4/1 - 6/30) Q3 (7/1 - 9/30) Q4 (10/1 - 12/31)

9. Check if this filing amends a previously filed version of this report

10. Check if this is a Termination Report Termination Date
​
11. No Lobbying Issue Activity
INCOME OR EXPENSES - YOU MUST complete either Line 12 or Line 13
12. Lobbying 13. Organizations
INCOME relating to lobbying activities for this reporting period was: EXPENSE relating to lobbying activities for this reporting period were:
Less than $5,000
Less than $5,000
$5,000 or more $
​40,000.00
$5,000 or more $
​
Provide a good faith estimate, rounded to the nearest $10,000, of all lobbying related income for the client (including all payments to the registrant by any other entity for lobbying activities on behalf of the client). 14. REPORTING Check box to indicate expense accounting method. See instructions for description of options.
Method A. Reporting amounts using LDA definitions only

Method B. Reporting amounts under section 6033(b)(8) of the Internal Revenue Code

Method C. Reporting amounts under section 162(e) of the Internal Revenue Code

Signature
Digitally Signed By: Christian Klein
 Date
4/21/2025 12:49:21 PM

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code AVI

16. Specific lobbying issues

Increase investment in U.S. air traffic control system to address current system shortcomings (no bill number).
Provide budget certainty for the FAA to insulate the agency from government shutdowns.
Prioritize implementation of FAA Reauthorization Act of 2025 (H.R.3935 118th Congress), specifically:
Sec. 440 to improve and expand funding for the aviation technician and pilot workforce grant programs created in the 2018 FAA law, implement new grant program to recruit and train aerospace manufacturing workers, fully fund grant programs via the appropriations process.
Sec. 426 directing the FAA to conduct rulemaking to create a military mechanic written competency test and (as necessary) develop Airman Certification Standard to qualify military technicians for civilian part 65 mechanic certificates.
Sec. 405 directing the FAA to establish a working group to evaluate allowing high school students to take the general knowledge portion of the FAAs airframe and powerplant (A&P) mechanic exam.
Sec 202 creating a new position of Assistant Administrator for Rulemaking and Regulatory Improvement responsible for FAAs rulemaking agenda, updating outdated rules, evaluating rules for redundancy, effectiveness, and accuracy, maintaining rulemaking timelines, and processing petitions for exemption.
Sec. 205 directing FAA to establish a review team to improve the timeliness, performance, and accountability of regulatory material development.
Sec. 821 directing the Department of Transportation Inspector General to audit FAAs Flight Standards and Aircraft Certification Services for consistency between regulations and policy, orders, and guidance relating to repair stations, supplemental type certificates, and technical standard order authorizations.
Sec. 822 directing the FAA Administrator to audit the application and interpretation of policies, orders, and guidance, to update documents to resolve inconsistencies and ambiguities, and to ensure proper documentation of findings and decisions to improve consistency.
Sec. 209 expresseing the sense of Congress that the FAA should make greater use of docketed ex parte communications and enhance stakeholder engagement during the rulemaking process.
Sec. 349 directing the agency to establish an Aviation Rulemaking Committee (ARC) to make recommendations for improving the regulatory regime surrounding maintenance data.
Sec. 302 imposing new and unnecessary mandates on the FAA certificated foreign repair stations U.S. operators rely on when operating internationally should be implemented in the manner least disruptive to U.S. companies and their international partners.

Encouarging the FAA to conduct a rulemaking to amend 14 CFR part 43 and allow the agency to recognize approved maintenance organization certificates issued by foreign civil aviation authority.

17. House(s) of Congress and Federal agencies Check if None

U.S. HOUSE OF REPRESENTATIVES, Federal Aviation Administration (FAA), U.S. SENATE

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Christian
Klein
​
​

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code DEF

16. Specific lobbying issues

Requesting language in FY 2026 National Defense Authorization Act to clarify government ownership of data necessary to maintain DOD systems paid for by American taxpayers.

17. House(s) of Congress and Federal agencies Check if None

U.S. SENATE, U.S. HOUSE OF REPRESENTATIVES

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Christian
Klein
​
​

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

LOBBYING ACTIVITY. Select as many codes as necessary to reflect the general issue areas in which the registrant engaged in lobbying on behalf of the client during the reporting period. Using a separate page for each code, provide information as requested. Add additional page(s) as needed.

15. General issue area code TAX

16. Specific lobbying issues

Aviation Workforce Development Act (H.R.1818) to allow qualified distributions from qualified 529 tuition savings accounts for aviation maintenance coursework at part 147 technician schools and for pilot training at part 141 flight schools.

17. House(s) of Congress and Federal agencies Check if None

U.S. SENATE, U.S. HOUSE OF REPRESENTATIVES

18. Name of each individual who acted as a lobbyist in this issue area

First Name Last Name Suffix Covered Official Position (if applicable) New
Christian
Klein
​
​

19. Interest of each foreign entity in the specific issues listed on line 16 above Check if None

​

Information Update Page - Complete ONLY where registration information has changed.

20. Client new address

Address
​
City
​
State
​
Zip Code
​
Country
​

21. Client new principal place of business (if different than line 20)

City
​
State
​
Zip Code
​
Country
​

22. New General description of client’s business or activities

​

LOBBYIST UPDATE

23. Name of each previously reported individual who is no longer expected to act as a lobbyist for the client

First Name
Last Name
Suffix
First Name
Last Name
Suffix
1
​
​
​
3
​
​
​
2
​
​
​
4
​
​
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ISSUE UPDATE

24. General lobbying issue that no longer pertains

​
​
​
​
​
​
​
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AFFILIATED ORGANIZATIONS

25. Add the following affiliated organization(s)

Internet Address:

Name Address Principal Place of Business
(city and state or country)
Street Address
City State/Province Zip Country
City
State Country

26. Name of each previously reported organization that is no longer affiliated with the registrant or client

1 2 3

FOREIGN ENTITIES

27. Add the following foreign entities:

Name Address Principal place of business
(city and state or country) 		Amount of contribution for lobbying activities Ownership percentage in client
Street Address
City State/Province Country
City
State Country
%

28. Name of each previously reported foreign entity that no longer owns, or controls, or is affiliated with the registrant, client or affiliated organization

1 3 5
2 4 6

CONVICTIONS DISCLOSURE

29. Have any of the lobbyists listed on this report been convicted in a Federal or State Court of an offense involving bribery, extortion, embezzlement, an illegal kickback, tax evasion, fraud, a conflict of interest, making a false statement, perjury, or money laundering?

Lobbyist Name Description of Offense(s)