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Commercial and Business Aviation Advisory Circulars |
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INTRODUCTIONThis Commercial & Business Aviation Advisory Circular (CBAAC) is to inform air operators of Transport Canada Civil Aviation’s (TCCA) intentions with respect to the current exemption issued pursuant to Subsection 5.9(2) of the Aeronautics Act, exempting Canadian air operators from the requirements of Section 703.25 and paragraph 605.03(1)(b) of the Canadian Aviation Regulations (CARs), concerning the carriage of external loads. Air operators under Subpart 703 of the CARs should be aware that the exemption to Section 703.25 and paragraph 605.03(1)(b) of the CARs valid to December 31, 2005, has expired. In order to continue to carry external loads air operators will need to obtain approval through a Supplemental Type Certificate (STC) or Limited Supplemental Type Certificate (LSTC) for each aircraft type they operate with an external load. Recently, TCCA has decided to issue a new exemption to Section 703.25 and paragraph 605.03(1)(b) of the CARs will be issue valid to 23:59 EST on December 31, 2008, which will permit Air Operators to continue to carry external loads under the new conditions of the new exemption. APPLICABILITY This CBAAC is applicable to all air operators under Subpart 703 of the CARs who intend to carry external loads on aircraft that do not have such approval on their Type Certificate.
BACKGROUND The ability of air operators to move objects (external loads) by aeroplanes that are not transportable within the aeroplane have always formed part of the Commercial Aviation Landscape in Canada. Section 703.25 of the CARs prohibits air operators from carrying an external load with passengers on board, except where carriage of an external load has been authorized in an STC or a LSTC. The CARs have traditionally viewed external loads as modifications to an aircraft requiring some type of formal design approval. An STC/LSTC approves the carriage of an external load and sets out conditions that result in a safer operation. External load operations that take place without STC/LSTC approvals are done without the benefit of a formal approval process that mitigates the risks inherent in these types of operation. The exemption to Section 703.25 and paragraph 605.03(1)(b) of the CARs permits the carriage of passengers while carrying an external load, subject to the conditions contained in the exemption. These conditions are intended to mitigate the risks associated with the carriage of external loads. Parts VI and VII of the CARs do not address carriage of external loads without passengers on board. Therefore an aeroplane operating with an external load, without passengers on board, for which an STC or LSTC has not been issued, may not have a valid flight authority in accordance with Part VI of the CARs. Consequently, an exemption to Section 703.25 of the CARs alone does not provide the appropriate authority for operators under Subpart 703 of the CARs to operate with an external load. To rectify this, the exemption to Section 703.25 of the CARs must also be complemented with an exemption from Paragraph 605.03(1)(b) of the CARs. The addition of Paragraph 605.03(1)(b) of the CARs provision to the exemption is in the interest of operators under Subpart 703 of the CARs since it will authorize the operation of their aircraft when external loads are attached without an STC or LSTC, and operated in accordance with the conditions of the exemption. Many aeroplanes have an STC or LSTC available, which authorizes the carriage of external loads. The STC/LSTC is, typically, specific to the aeroplane configuration and external load. At present, there are 165 different external load STCs or LSTCs available. The list of approved external load items covers canoes, boats, porta-boats, marine craft, square stern boats, kayaks, lumber or freight. This newest exemption will permit Transport Canada Airworthiness and Certification the time to collect data for dissemination. POLICY DEVELOPMENT / ACTION Air operators who carry external loads will be required to obtain the appropriate Type Certificate, STC or LSTC. Some confusion has occurred with respect to paragraph two of the application section of the exemption. The intent of this paragraph is to ensure that holders of a Type Certificate, STC or LSTC comply with the requirements of that document. Air Operators that have been authorized in a Type Certificate, STC or LSTC to carry a specific external load may use the exemption to carry different external loads, subject to the conditions of the exemption. LSTCs for aircraft previously approved for the carriage of external loads may be possible without further TCCA flight test evaluations if the proposed external load configuration and tie-down method is shown to be structurally acceptable and the applicant submits an acceptable flight test report and flight or operating manual supplement in accordance with AC 500-011. Highlights of the new exemption are: … 8. A copy of this exemption shall be carried on board the aeroplane when conducting external load operations under the authority of this exemption.
9. If external loads have been carried under the authority of this exemption, the air operator shall ensure that the Minister has received the following information for the reporting periods by the report due dates specified below:
a. air operator name and address, and b. date of every flight that carried an external load under the authority of the exemption including; i) aeroplane type and model ii) aeroplane registration iii) description of particular load; c. a copy of the relevant pages from the Company Operations Manual containing the information required by paragraph 5 of the Conditions of the exemption, for every float equipped aeroplane used for operation under the authority of this exemption; and d. a copy of the proving flight records required by paragraph 2(b) of Annex A of the exemption for every aeroplane type and model and associated particular load used. Reporting:
Note 1: The first report must be submitted for the reporting period during which this exemption has first been used. Reports must also be submitted for all subsequent reporting periods to either report flights utilizing this exemption or to report that no such flights have been accomplished. Note 2: The complete information as requested in paragraphs 9.c and 9.d above only needs to be submitted with the first report. Only copies of Amendments to the Company Operations Manual and proving flight test records need to be submitted with subsequent reports. CONCLUSION The exemption to Section 703.25 and paragraph 603.05(1)(b) of the CARs will expire 23:59 EST on December 31, 2008. D.B. SherrittDirector Commercial & Business Aviation
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