CAAA_Overweight_Exemption_Form_English - Staff Instruction - SI 600-001

Sep 30, 2026

Staff Instruction SI 600-001 establishes the exemption policy and operational procedures for agricultural aeroplanes conducting aerial dispersion of jettisonable cargo under Canadian Aviation Regulations. It explains the purpose, applicability limits, and key changes, including issuing exemptions with no expiry date and requiring utilization statistics. The instruction references the Aeronautics Act, relevant CAR provisions, and related directives. It outlines background, procedures, delegated authority, inspection and reporting expectations, and identifies the contact office. Annexes include the exemption policy document and a sample exemption.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages20

Reading Time50 min

AccessFree to download

1.0 INTRODUCTION

1.1 Purpose

1.2 Applicability

1.3 Description of Changes

2.0 REFERENCES AND REQUIREMENTS

2.1 Reference Documents

2.2 Cancelled Documents

2.3 Definitions and Abbreviations

3.0 BACKGROUND

4.0 PROCEDURES

5.0 DELEGATED AUTHORITY

6.0 REQUIREMENTS

6.1 Inspection

6.2 Reporting

7.0 CONTACT OFFICE

ANNEX A

ANNEX B

# Staff Instruction Agricultural Aeroplane Operations- Exemption from Subsection 605.03(1)(b) and Section 602.07 of the Canadian Subject: Aviation Regulations Issuing Office: Standards Document No.: SI 600-001 File Classification No.: : Z5000-32 Issue No.: 01 RDIMS No.: 8666020-V12 Effective Date: 2014-05-07 # TABLE OF CONTENTS 1.0 INTRODUCTION…………………………………………………………………………………………………………………………………………2 1.1 PURPOS……………………………………………………………………………………………………………………………………………………2 1.2 APPLICABILITY……………………………………………………………………………………………………………………………………………2 1.3 DESCRIPTION OF CHANGES…………………………………………………………………………………………………………………2 2.0 REFERENCES AND REQUIREMENT……………………………………………………………………………………………………2 2.1 REFERENCE DOCUMENTS……………………………………………………………………………………………………………………2 2.2 CANCELLED DOCUMENT………………………………………………………………………………………………………………………3 2.3 DEFINITIONS AND ABBREVIATION……………………………………………………………………………………………………3 3.0 BACKGROUND…………………………………………………………………………………………………………………………………………3 4.0 PROCEDURES…………………………………………………………………………………………………………………………………………4 5.0 DELEGATED AUTHORITY……………………………………………………… ……………………………………………………………………5 6.0 REQUIREMENTS………………………………………………………………………………………………………………………………………5 6.1 INSPECTION………………………………………………………………………………………………………………………………………………5 6.2 REPORTING………………………………………………………………………………………………………………………………………………5 7.0 CONTACT OFFICE ……………………………………………………………………………………………………………………………………7 ANNEX A: Exemption Policy Document concerning the Exemption Process Requirements from the Canadian Aviation Regulations(CARs) with regard to Aeroplanes Engaged in Agricultural Operations for the Aerial Dispersion of Jettisonable Cargo ANNEX B: Sample Exemption from Subsection 605.03(1)(b) and Section 602.07 of the Canadian Aviation Regulations ## 1.0 INTRODUCTION (1) The predecessor to this document,Aircraft Certification Staff Instruction(ACSI)number 26,Issue 01,1998-07-20—Agricultural Aeroplane Operations-Exemption from Paragraphs 605.03(1)and 602.07(b)of the Canadian Aviation Regulations(RDIMS\#292197),provided instructions forthe issuance of exemptions allowing the operation of aeroplanes engaged in special purposeagricultural operations for the aerial dispersion of jettisonable cargo.The current practice is toallow such operations where the operation would exceed the maximum weight limits specified inthe applicable type certificate data sheets,provided that certain terms and conditions are met.This guidance is revised to reflect changes in the regional organizational structures and reissuedwith two important changes: (a) Exemptions are to be issued with no expiry date,thus reducing administrative burden onboth operators and Transport Canada Civil Aviation(TCCA);and (b)Utilization statistics are to be reported so that a clear picture of who is using theseexemptions and how often can be discerned. ## 1.1 Purpose (1) The purpose of this document is to: (a) provide information and basic procedures to Regional Operations personnel relating tothe application procedures associated with the submission of requests for an exemptionallowing agricultural aeroplanes engaged in the aerial dispersion of jettisonable cargo tooperate overweight; (b) provide information and basic procedures to Regional Operations personnel relating tothe requirements for the Regions to evaluate exemption requests;and, (c)ensure that allRegions uphold a single standardized approach to issuing exemptionsrelating to agricultural aeroplanes operating overweight. ## 1.2 Applicability (1) This exemption policy applies only to aeroplanes approved for agricultural operations which: (a) Have a normal take-off weight limit of 12,500 Ib.or less;and (b) Have a cargo jettison system capability permitting the pilot to jettison 80 percent (80%)ofthe jettisonable load in six(6)seconds or less. ## 1.3 Description of Changes (1) Changes in TCCA Regional Office organization and delegation have changed

FAQs

What is the main purpose of Staff Instruction SI 600-001?

It provides information and basic procedures for regional operations personnel to process requests for exemptions allowing agricultural aeroplanes to operate overweight, and to evaluate those requests using a single standardized approach.

To which aircraft does the exemption policy apply?

It applies to aeroplanes approved for agricultural operations with a normal take-off weight limit of 12,500 lb or less, and with a cargo jettison system capable of jettisoning 80% of jettisonable load within six seconds or less.

What key changes are introduced in the current guidance?

Exemptions are issued with no expiry date, reducing administrative burden, and utilization statistics are required to show who uses the exemptions and how often.

Sep 30, 2026

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