Avionics News May 2012 - 18
Continued from page 17
News & Regulatory Updates
Transport Canada issues Comprehensive Guidance for Use of Night Vision Imaging Systems
Transport Canada Civil Aviation has issued advisory circular 603-001, for the installation and operation of night vision imaging systems. This AC replaces commercial and business aviation AC 0251 and policy letter 0176, as well as operations specification 603. The AC is intended to cover NVIS programs utilizing night vision goggles and enhanced vision systems with infrared imagery that are being incorporated into, or considered by organizations, such as helicopter emergency medical services, search and rescue, police services, provincial forestry and wildlife organizations and aerial work companies. Obtaining approval to conduct NVIS operations will be achieved in two parts: 1. Installation design approval by Aircraft Certification personnel consisting of: Obtaining a supplement type certificate for installation of NVG compatible lighting or enhanced vision systems; flight test for NVIS compatibility; and inclusion of a rotorcraft or airplane flight manual supplement.
2. Operational approval consisting of: Evaluation of NVIS ground and flight training programs by the principle operations inspector for all operators, flight training standards for flight training schools; amendments to the Company Operations Manual, including NVIS standard operational procedures as appropriate to 604, 702, 703 and 704 operators; monitoring of the training program as appropriate to 604, 702, 703 and 704 operators; and observing training and operational flights utilizing NVIS as appropriate to 604, 702, 703 and 704 operators. The AC also identifies additional cockpit lighting and aircraft equipment requirements for any aircraft to be used for NVIS operations. Ground and flight training requirements are specified for the use of NVG and EVS equipment. AEA members installing NVIS equipment on Canadian-registered aircraft should be familiar with the guidance contained in AC 603-001, which may be viewed online at www.tc.gc.ca/eng/civilaviation/opssvs/managementservices-referencecentreacs-600-603-001-1467.htm.
FREQUENTLY ASKED QUESTIONS Canada
Non-Magnetic Heading Systems Accuracy Requirements for Northern Operations
The following information is from the Canadian Aviation Regulations QUESTION: Does Transport Canada Civil Aviation require particular accuracy standards for non-magnetic directional/heading systems used in northern domestic airspace?
ANSWER: The Canadian Aviation Regulations applicable to night visual flight rules and instrument flight rules operations in NDA state: 605.16 (g) where the aircraft is to be operated within the northern domestic airspace, a means of establishing direction that is not dependent on a magnetic source; The applicable equipment TSO accepted by TCCA is FAA TSO-C5F, which references SAE AS 8021 for performance. This has a requirement for the drift rate to not exceed 2 degrees per minute. This would be applicable to directional gyros and attitude heading and reference systems. TCCA has not issued any additional technical requirements specific to operations in northern latitudes where magnetic compass inaccuracies may be experienced.