1 / 21

Limited Icing Draft NPA

Limited Icing Draft NPA. Markus Mueller - Chairman HSST Mark Prior - EHA Representative. Introduction. Background What JAR OPS 3 currently requires HSST proposal. Background. UK has permitted Limited Icing Operations for 30 years or more Using CAA G610 CAA Paper 96009. Background.

constance-murray
Download Presentation

Limited Icing Draft NPA

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Limited Icing Draft NPA Markus Mueller - Chairman HSST Mark Prior - EHA Representative OST 02-05

  2. Introduction • Background • What JAR OPS 3 currently requires • HSST proposal OST 02-05

  3. Background • UK has permitted Limited Icing Operations for 30 years or more • Using CAA G610 • CAA Paper 96009 OST 02-05

  4. Background • EASA have proposed a Special Condition to cover Limited Icing OST 02-05

  5. Background • A working group of the HSST drafted the limited icing paper, draft NPA and RIA • This was done in parallel with the EASA SC. • Consensus was achieved between: • NAAs (delegates to the HSST) • EASA • Manufacturers • EHA • Icing paper accepted by the HSST as a mature document and submitted to the OST OST 02-05

  6. JAR OPS JAR OPS Ice and other contaminants - flight procedures (a) An Operator shall establish procedures for flight in expected or actual icing conditions (b) A commander shall not commence a flight nor intentionally fly into expected or actual icing conditions unless the aeroplane is certificated and equipped to cope with such conditions. OST 02-05

  7. JAR OPS JAR OPS 1.346 Ice and other contaminants - flight procedures (a) An Operator shall establish procedures for flight in expected or actual icing conditions (see ACJ 1.346 and JAR OPS 1.675) (b) A commander shall not commence a flight nor intentionally fly into expected or actual icing conditions unless the aeroplane is certificated and equipped to cope with such conditions. JAR OPS 3.346 Ice and other contaminants - flight procedures (a) When appropriate, an operator shall establish procedures for flights in expected or actual icing conditions (See ACJ OPS 3.346 and JAR OPS 3.675). (b) A commander shall not commence a flight nor intentionally fly into expected or actual icing conditions unless the helicopter is certificated and equipped to cope with such conditions. OST 02-05

  8. JAR OPS 3 In addition: • JAR OPS 3.675 -Equipment for operations in icing condition • Appendix 1 to JAR OPS 3.1045 - Operations Manual Contents • A 8.3.8 (b) Adverse and potentially hazardous conditions - Icing Conditions • B 4.1 Performance Data • ACJ OPS 3.346 - Flight in expected or actual icing conditions OST 02-05

  9. HSST Proposal • The Flight Manual states the in-flight limits and procedures • JAR OPS 3 needs to show Dispatch Criteria that will allow the FM Supplement to be used. • This can be done through changes to ACJ OPS 3.346 OST 02-05

  10. HSST Proposal-ACJ OPS 3.346 • “For operations overwater and to coastal aerodromes” • Special Condition • Limited icing clearance must include a means of vacating icing conditions from any point within the declared envelope • Special Condition. OST 02-05

  11. HSST Proposal-ACJ OPS 3.346 • 500 ft layer of positive temperature air must exist offshore or MSA + 500 ft onshore. • An approach in IMC onshore may be made with the zero degree isotherm below MSA providing the Landing Forecast shows a cloud ceiling of DH/MDH + 400 ft * OST 02-05

  12. HSST Proposal-ACJ OPS 3.346 • Any descent into a band of positive temperature air should take place over the sea or as part of an instrument procedure • The aircraft should not be dispatched without a serviceable Radalt and Airborne Radar - MEL should reflect this. OST 02-05

  13. HSST Proposal • Compliant with the Special Condition • Has widespread support: • NAAs • EASA • Manufacturers • EHA OST 02-05

  14. Questions Please OST 02-05

  15. ACJ OPS 3.346 OST 02-05

  16. Detailed Proposal OST 02-05

  17. Detailed Proposal • b. The need for the Flight Crew to use the best available information to ensure that there is no unavoidable icing of a severity worse than the flight manual continuous limit along the planned route at the planned altitudes or flight levels; OST 02-05

  18. Detailed Proposal OST 02-05

  19. Detailed Proposal • d. If the approach is made in IMC and the 0C isotherm is at or below the MSA with no band of positive air above MSA, then in order to ensure a missed approach back into icing conditions will not be necessary, the minimum Cloud Ceiling in the Landing Forecast should not be less than DH/MDH + 400 ft OST 02-05

  20. Detailed Proposal OST 02-05

  21. Detailed Proposal OST 02-05

More Related