# Aerolite 103 (Hirth F-33) — Normal and Emergency Procedures # NOT FOR FLIGHT — source fidelity: not_applicable | operational review: none | completeness: partial | 1 unresolved safety defect(s) # Source: authored — no source document # Rights: original_expression CC-BY-4.0 # Checklist hash: c4d3421d2f994372dc05e4ba428f436df438bc75432bc8c673bdee08f98d1298 # Verify against the aircraft's own approved documentation before use. section_id phase criticality section_title item_index item_id type tickable memory_item indent text response condition detail part-103-limitations limitations normal Part 103 Operating Limitations 0 note no no 0 This aircraft is operated as an ultralight vehicle under 14 CFR Part 103. It has no airworthiness certificate and no N-number, and the pilot needs no certificate or medical. part-103-limitations limitations normal Part 103 Operating Limitations 1 challenge yes no 0 Single occupant only part-103-limitations limitations normal Part 103 Operating Limitations 2 challenge yes no 0 Day, visual conditions only part-103-limitations limitations normal Part 103 Operating Limitations 3 challenge yes no 0 Not over congested areas or open-air assemblies of people part-103-limitations limitations normal Part 103 Operating Limitations 4 challenge yes no 0 Not in Class A, B, C or D airspace without prior ATC authorization part-103-limitations limitations normal Part 103 Operating Limitations 5 caution no no 0 Part 103 imposes no maintenance or inspection requirement. Nobody else is checking this aircraft. The preflight is the entire inspection programme. preflight preflight_inspection normal Preflight Inspection 0 subtitle no no 0 Cockpit preflight preflight_inspection normal Preflight Inspection 1 action yes no 1 Ignition switches OFF preflight preflight_inspection normal Preflight Inspection 2 action yes no 1 Fuel shutoff valve OFF preflight preflight_inspection normal Preflight Inspection 3 action yes no 1 Restraint harness CONDITION CHECKED preflight preflight_inspection normal Preflight Inspection 4 action yes no 1 Control stick and pedals FREE, FULL TRAVEL, CORRECT SENSE preflight preflight_inspection normal Preflight Inspection 5 subtitle no no 0 Airframe preflight preflight_inspection normal Preflight Inspection 6 action yes no 1 Wing struts, lift struts and attach bolts SECURE, SAFETIED, NO CRACKS preflight preflight_inspection normal Preflight Inspection 7 action yes no 1 Sail and fabric NO TEARS, SEAMS INTACT, LACING SECURE preflight preflight_inspection normal Preflight Inspection 8 action yes no 1 Control cables, pulleys and clevis pins CONDITION, SAFETY PINS PRESENT preflight preflight_inspection normal Preflight Inspection 9 action yes no 1 Tail surfaces and hinges SECURE, FREE MOVEMENT preflight preflight_inspection normal Preflight Inspection 10 action yes no 1 Landing gear, tires and bungees CONDITION, INFLATION preflight preflight_inspection normal Preflight Inspection 11 subtitle no no 0 Engine and propeller preflight preflight_inspection normal Preflight Inspection 12 warning no no 0 Treat the propeller as live at all times. A two-stroke can fire on a single blade movement with the ignition off if a switch or ground lead has failed. Keep the propeller arc clear and never stand in it. preflight preflight_inspection normal Preflight Inspection 13 action yes no 1 Propeller blades and bolts NO NICKS OR CRACKS, TORQUE MARKS ALIGNED preflight preflight_inspection normal Preflight Inspection 14 action yes no 1 Engine mount and rubber isolators SECURE, NO CRACKS preflight preflight_inspection normal Preflight Inspection 15 action yes no 1 Exhaust system and springs SECURE, NOT CRACKED preflight preflight_inspection normal Preflight Inspection 16 action yes no 1 Fuel lines and primer bulb NO CHAFING, NO WEEPING preflight preflight_inspection normal Preflight Inspection 17 action yes no 1 Fuel quantity and mix CHECKED, CORRECT OIL RATIO Confirm the premix ratio against the engine manufacturer's figure for this engine and oil. Running a two-stroke on straight fuel will seize it. preflight preflight_inspection normal Preflight Inspection 18 action yes no 1 Fuel sample CLEAR, NO WATER engine-start engine_start normal Engine Start 0 action yes no 0 Area behind aircraft CLEAR engine-start engine_start normal Engine Start 1 action yes no 0 Wheels CHOCKED OR BRAKES HELD engine-start engine_start normal Engine Start 2 action yes no 0 Fuel shutoff valve ON engine-start engine_start normal Engine Start 3 action yes no 0 Primer bulb FIRM engine-start engine_start normal Engine Start 4 action yes no 0 Throttle CLOSED engine-start engine_start normal Engine Start 5 action yes no 0 Choke AS REQUIRED FOR TEMPERATURE engine-start engine_start normal Engine Start 6 challenge yes no 0 "Call ""CLEAR PROP""" engine-start engine_start normal Engine Start 7 action yes no 0 Ignition switches BOTH ON engine-start engine_start normal Engine Start 8 challenge yes no 0 Start engine engine-start engine_start normal Engine Start 9 action yes no 0 Choke OFF AS ENGINE PICKS UP engine-start engine_start normal Engine Start 10 action yes no 0 Warm up PER ENGINE MANUAL BEFORE ADVANCING THROTTLE A cold two-stroke run up before the piston and cylinder have reached even temperature is the classic path to a seizure. before-takeoff before_takeoff normal Before Takeoff 0 action yes no 0 Harness TIGHT AND LOCKED before-takeoff before_takeoff normal Before Takeoff 1 action yes no 0 Controls FREE AND CORRECT before-takeoff before_takeoff normal Before Takeoff 2 action yes no 0 Ignition check EACH CIRCUIT, DROP WITHIN LIMITS before-takeoff before_takeoff normal Before Takeoff 3 action yes no 0 Full throttle static RPM PER ENGINE MANUAL before-takeoff before_takeoff normal Before Takeoff 4 action yes no 0 Engine temperatures IN RANGE before-takeoff before_takeoff normal Before Takeoff 5 action yes no 0 Windsock and traffic CHECKED before-takeoff before_takeoff normal Before Takeoff 6 action yes no 0 Engine failure plan BRIEFED Decide before takeoff where the aircraft goes if the engine stops at 50 feet, at 200 feet, and at circuit height. before-takeoff before_takeoff normal Before Takeoff 7 caution no no 0 A single-cylinder two-stroke should be treated as an engine that will stop without warning. Do not depart over terrain that offers no landing option. engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 0 warning no no 0 Do not attempt to turn back to the runway. At this aircraft's altitude, speed and glide performance a turn back will stall it. engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 1 efato-attitude action yes yes 0 Nose LOWER IMMEDIATELY TO GLIDE ATTITUDE engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 2 efato-landing-area action yes yes 0 Landing area STRAIGHT AHEAD, WITHIN 30 DEGREES engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 3 efato-fuel action yes yes 0 Fuel shutoff valve OFF engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 4 efato-ignition action yes yes 0 Ignition switches OFF engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 5 action yes no 0 Harness TIGHT engine-failure-after-takeoff engine_failure_after_takeoff emergency Engine Failure After Takeoff 6 challenge yes no 0 Flare and land, accepting damage to the aircraft to protect the occupant shutdown shutdown normal Shutdown and Securing 0 action yes no 0 Throttle IDLE shutdown shutdown normal Shutdown and Securing 1 action yes no 0 Ignition switches OFF shutdown shutdown normal Shutdown and Securing 2 action yes no 0 Ignition switches CONFIRM ENGINE STOPS WITH SWITCHES OFF If the engine continues to run with both switches off, the ignition ground has failed. Stop the engine with the fuel valve and do not fly again until the fault is found. shutdown shutdown normal Shutdown and Securing 3 action yes no 0 Fuel shutoff valve OFF shutdown shutdown normal Shutdown and Securing 4 challenge yes no 0 Chock, tie down or hangar the aircraft