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ICAO THREE LETTER DESIGNATOR (3LD) “WKR” AND ASSOCIATED CALL SIGN “MOWER”

JO 7340.904 · FAA

Public domain · FAAOrders & Notices

Overview

The ICAO THREE LETTER DESIGNATOR (3LD) “WKR” AND ASSOCIATED CALL SIGN “MOWER” (JO 7340.904) is a public-domain FAA order, republished here as a free chaptered HTML edition with a linked table of contents and the official PDF.

Publisher
FAA
Document
JO 7340.904
Pages
2

Key points

  • The ICAO three-letter designator 'WKR' and associated call sign 'MOWER' have been approved.
  • The effective date for this designation is March 24, 2026.
  • The designation is associated with Walker Manufacturing Company located in the United States.
  • This addition is to be included in JO 7340.2, Contractions, Chapter 3, Sections 1, 2, and 3.
  • The cancellation date for this designation is March 24, 2027.
Frequently asked questions
What is the ICAO three-letter designator for Walker Manufacturing Company?

The ICAO three-letter designator for Walker Manufacturing Company is 'WKR'.

What is the associated call sign for the designator 'WKR'?

The associated call sign for the designator 'WKR' is 'MOWER'.

When does the designation 'WKR' become effective?

The designation 'WKR' becomes effective on March 24, 2026.

What is the cancellation date for the designation 'WKR'?

The cancellation date for the designation 'WKR' is March 24, 2027.

Who should be contacted for questions regarding this document?

Questions regarding this document should be directed to Becky McDowell at 202-267-4196.

Document

TELEGRAPHIC MESSAGE PRECEDENCE: SECURITY CLASSIFICATION Federal Aviation Administration NORMAL 800 Independence Avenue, SW

Unclassified

ACTION: ROUTINE W a s h i n g t o n , D C 2 0 5 9 1 FILE: ACCOUNTING CLASSIFICATION DATE PREPARED: 3 / 1 6 /202 6 FOR INFORMATION CALL NAME PHONE NUMBER TYPE OF MESSAGE BECKY MCDOWELL ( 202 ) - 2 6 7 - 4196 _ SINGLE _ BOOK _ X _ MULTI ADDRESS MESSAGE TO BE TRANSMITTED (Use double spacing and all capital letters) To: KRWA NOUS2 171450 GENOT RWA 26/13 N JO 7340.904 GG ALRGNS 1/500/530 AMC-1 AMA-500 ACT-1 ALATFO XVM EFFECTIVE: 3/24/2026 CANCELLATION: 3/24/2027 SUBJECT: ICAO THREE LETTER DESIGNATOR (3LD) “WKR” AND ASSOCIATED CALL SIGN “MOWER” THE FOLLOWING ADDITION TO JO 7340.2, CONTRACTIONS, CHAPTER 3, SECTIONS 1, 2, AND 3 IS APPROVED FOR “WKR” / “MOWER”: ADD: TELEPHONY: MOWER DESIGNATOR (IDENTIFIER): WKR COMPANY/AGENCY: WALKER MANUFACTURING COMPANY COUNTRY: UNITED STATES P A G E NO. NO. OF PGS Security Classification

Unclassified

PLEASE DIRECT ANY QUESTIONS TO BECKY MCDOWELL AT 202-267-4196 OR BECKY.MCDOWELL@FAA.GOV.

Digitally signed by

BRIAN M

BRIAN M MURPHY Date: 2026.03.17

MURPHY

07:55:14 -04'00' BRIAN MURPHY MANAGER, AJV-A31 AERONAUTICAL DATA TEAM P A G E NO. NO. OF PGS Security Classification

Unclassified

2 2

Source & rights

Source: faa.gov. Public-domain U.S. Government work (17 USC §105) — freely reproducible.

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Document details

Doc number
JO 7340.904
Publisher
FAA
Pages
2
File size
249 KB