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Circling Pattern (Left Side Camera) Worksheet Target Coordinates______________ Altitude__________ Airspeed________ Time of Day___________________ Weather______________________ S Dist Altitude 1200 Focal Ln (mm) 50 100 Point Angle 45 deg 30 deg 15 deg 45 deg 30 deg 15 deg S Dist Ft120020484478120020484478 S Dist Nm0.20.330.750.20.330.75 Start ID Pass Aprox One Nautical Mile from Target Tgt Desc______________ Msn #______Sortie______ Date_______________ AP________________ Crew______________ Start Photo Pass
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Circling Pattern (Right Side Camera) Worksheet Target Coordinates______________ Altitude__________ Airspeed________ Time of Day___________________ Weather______________________ Obstacles_____________________ Altitude 1200 Focal Ln (mm) 50 100 Point Angle 45 deg 30 deg 15 deg 45 deg 30 deg 15 deg S Dist Ft120020484478120020484478 S Dist Nm0.20.330.750.20.330.75 Tgt Desc_________________ Msn #______Sortie________ Date_____________________ AP______________________ Crew_____________________ S Start ID Pass Approx One Nautical Mile from Target Start Photo Pass
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Overview (Birdseye) Pattern (Left Side Camera) Worksheet Target Coordinates______________ Altitude__________ Airspeed________ Time of Day___________________ Weather______________________ Obstacles_____________________ Altitude 1200 Focal Setting 50mm100mm A/C Bank Angle30-45 deg Point AngleNearly NADIR S Dist Ft<1200 S Dist Nm0.1 Tgt Desc__________________ Msn #______Sortie__________ Date______________________ AP________________________ Crew______________________ S Start ID Pass Start Photo Pass 0.1Nm Note: Rule for Congested Areas: 1000’ Above and 2000’ Horizontal from the highest Obstacle. Circle target to find the Altitude that permits horizontal framing and determine best direction to take the Photo. Keep Camera Nearly Perpendicular to Window while Aircraft Banks. Avoid imaging A/C Wing or Landing Gear Start Circle to Determine Best Angle Approx ½ Nautical Mile from Target
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Overview (Birdseye) Pattern (Right Side Camera) Worksheet Target Coordinates______________ Altitude__________ Airspeed________ Time of Day___________________ Weather______________________ Obstacles_____________________ Altitude 1200 Focal Setting 50mm100mm A/C Bank Angle30-45 deg Point AngleNearly NADIR S Dist Ft<1200 S Dist Nm0.1 Tgt Desc__________________ Msn #______Sortie__________ Date______________________ AP________________________ Crew______________________ S Start ID Pass Approx ½ Nautical Mile from Target Start Photo Pass 0.1Nm Note: Rule for Congested Areas: 1000’ Above and 2000’ Horizontal from the highest Obstacle. Circle target to find the Altitude that permits horizontal framing and determine best direction to take the Photo. Keep Camera Nearly Perpendicular to Window while Aircraft Banks. Avoid imaging A/C Wing or Landing Gear Start Circle to Determine Angle
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4 Square Pattern (Left Side Camera) Worksheet Target Coordinates______________ Altitude__________ Airspeed________ Time of Day___________________ Weather______________________ Obstacles _____________________ Tgt Desc______________ Msn #______Sortie__________ Date______________________ AP________________________ Crew______________________ End Photo Pass Altitude 1200 Focal Ln (mm) 50 100 Point Angle 45 deg 30 deg 15 deg 45 deg 30 deg 15 deg S Dist Ft120020484478120020484478 S Dist Nm0.20.330.750.20.330.75 S Start ID Pass Start Photo Pass South Side Latitude ________________________ North Side Latitude ________________________ West Side Longitude ________________________ East Side Longitude ________________________
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4 Square Pattern (Right Side Camera) Worksheet Target Coordinates______________ Altitude__________ Airspeed________ Time of Day___________________ Weather______________________ Obstacles _____________________ Tgt Desc______________ Msn #______Sortie__________ Date______________________ AP________________________ Crew______________________ S Start ID Pass Start Photo Pass End Photo Pass Altitude 1200 Focal Ln (mm) 50 100 Point Angle 45 deg 30 deg 15 deg 45 deg 30 deg 15 deg S Dist Ft120020484478120020484478 S Dist Nm0.20.330.750.20.330.75 South Side Latitude ________________________ North Side Latitude ________________________ West Side Longitude ________________________ East Side Longitude ________________________
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Standard Rate Turn 1 & ½ nautical mile 60 seconds at 90 Knots) ½ nautical mile (20 seconds at 90 Knots) 30 Sec Turn 60 Sec Turn Use this leg to accurately line up the next track around the four square pattern 4-Square Aerial Photography Pattern – Aircraft Turn Procedures at Corners Assumptions: 90 Knot ground speed (1 & ½ nm per minute) All turns – standard rate Assuming No Wind corrections At the corner point, fly straight for 20 seconds (1/2 nm) Start right standard rate turn for 30 seconds Fly Straight for 60 seconds (1 & ½ nm) Start Right standard rate turn for 60 seconds (1nm) Adjust final run-in for correct Latitude and Longitude and heading for next pass
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Used for Strip Photography (Like long straight Roads or along the Beach) and Wide Aerial Mapping projects Speed 90 Kts Altitude Options 1200’ or 2400’AGL Camera Focal Length 50mm, 100mm Camera Angle 45 Degrees, Setup with Angle Template and stabilized Tripod Timing of Images for desired % Overlap at 90 Kts and desired Altitude. Use Camera Timer for Sequential Shots Mapping Patterns (East to West) with Pattern Offset for Mapping Overlap. For Beaches 1/3 Water, 2/3 Land in Shot Set up for Computer Image download and image view on computer screen Overview (Strip) Pattern (Left Side Camera) Worksheet
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