upward at the prescribed slope to 45.72m above the established airfield elevation. 13 Horizontal Surface E 1,143m for N/A N/A An imaginary Radius 25:1 surface located 45.72m above the established heliport surfaces elevation, formed by scribing an arc 1,554.48m N/A N/A about the end of for 34:1 each runway or landing lane, and interconnecting surfaces these arcs with tangents. N/A 1,402.08m 1,402.08m Circular in shape, located 45.72m above the established heliport or helipad elevation, defined by scribing an arc with a 1,402.08m radius about the center point of the helipad. 14 Elevation of H 45.72m 45.72m 45.72m Horizontal Surface Notes: Metric units apply to new airfield construction and where practical modification to existing airfields and heliports, as discussed in paragraph 1.4.4. The criteria in this manual are based on aircraft specific requirements and are not direct conversions from English dimensions. Airfield and heliport imaginary surfaces and safe wintip clearance dimensions are shown as a direct conversion from English to SI units. Attachment 1 Glossary of References and Supporting Information – DoD Publications DoD Manual 4270.1-M, Construction Criteria Manual DoD Instruction 4165.57, Air Installation Compatible Use Zone Program DoD Instruction 6050.1, Environmental Effects in the United States of DoD Actions DoD Instruction 6050.7, Environmental Effects Abroad of Major Department of Defense Actions DoD Standard 6055.9, Ammunition and Explosives Safety Standards Air Force Publications AFI 11-218, Aircraft Operation and Movement on the Ground AFI 11-230, Instrument Procedures AFI 13-203, Air Traffic Control AFI 31-101, Installation Security Program AFI 31-209, The Air Force Resource Protection Program AFI 32-1024, Standard Facility Requirements AFI 32-1042, Standards for Marking Airfields
upward at the prescribed slope to 45.72m above the established airfield elevation. 13 Horizontal Surface Radius E 1,143m for 25:1 surfaces N/A N/A An imaginary surface located 45.72m above the established heliport elevation, formed by scribing an arc about the end of each runway or landing lane, and interconnecting these arcs with tangents. 1,554.48m for 34:1 surfaces N/A N/A N/A 1,402.08m 1,402.08m Circular in shape, located 45.72m above the established heliport or helipad elevation, defined by scribing an arc with a 1,402.08m radius about the center point of the helipad. 14 Elevation of Horizontal Surface H 45.72m 45.72m 45.72m Notes: Metric units apply to new airfield construction and where practical modification to existing airfields and heliports, as discussed in paragraph 1.4.4. The criteria in this manual are based on aircraft specific requirements and are not direct conversions from English dimensions. Airfield and heliport imaginary surfaces and safe wintip clearance dimensions are shown as a direct conversion from English to SI units. Attachment 1 – Glossary of References and Supporting Information DoD Publications DoD Manual 4270.1-M, Construction Criteria Manual DoD Instruction 4165.57, Air Installation Compatible Use Zone Program DoD Instruction 6050.1, Environmental Effects in the United States of DoD Actions DoD Instruction 6050.7, Environmental Effects Abroad of Major Department of Defense Actions DoD Standard 6055.9, Ammunition and Explosives Safety Standards Air Force Publications AFI 11-218, Aircraft Operation and Movement on the Ground AFI 11-230, Instrument Procedures AFI 13-203, Air Traffic Control AFI 31-101, Installation Security Program AFI 31-209, The Air Force Resource Protection Program AFI 32-1024, Standard Facility Requirements AFI 32-1042, Standards for Marking Airfields
AED%20Design%20Requirements%20-%20Heliport%20Planning%20&%20Design_Mar-11.docx