ANAC Agricultural Pilot Airplane (PAGA) key terms
ANAC Agricultural Pilot Airplane (PAGA) · Get comfortable with the vocabulary.
- RBAC 137 (Agricultural Aircraft Operations)
- Related: Agricultural Aviation Operating Authorization, Pilot Logbook Endorsement
Brazilian civil aviation regulation that sets the certification, operating, and documentation requirements for agricultural aircraft operations, including pilot qualification, aircraft airworthiness, and application activity authorization.
- Agricultural Aviation Operating Authorization
- Related: RBAC 137 (Agricultural Aircraft Operations), Operational Specification
ANAC-issued permission allowing a company or individual to perform aerial application activities, contingent on aircraft airworthiness, trained crew, and compliance with operational and environmental rules.
- Operational Specification
- Related: Agricultural Aviation Operating Authorization, Application Record (Flight Log)
Document or approval item that defines the limits and conditions under which an operator may conduct agricultural flights, such as approved aircraft types, areas, and procedures.
- Airworthiness Certificate
- Related: Maintenance Release, Special Flight Permit
Official document confirming that an aircraft meets approved design and safety standards and is permitted to fly; it must remain valid for any agricultural operation to be legal.
- Pilot Logbook Endorsement
- Related: RBAC 137 (Agricultural Aircraft Operations), Agricultural Pilot Certificate
Written record in the pilot's logbook documenting training, experience, or authorization for a specific activity such as agricultural application, required to prove qualification during inspections.
- Agricultural Pilot Certificate
- Related: Pilot Logbook Endorsement, Recurrent Training
Credential or rating that demonstrates a pilot has met the knowledge, experience, and skill requirements to conduct aerial application flights under national regulations.
- Application Record (Flight Log)
- Related: Operational Specification, Buffer Zone
Mandatory record of each application flight listing product used, dose, area treated, time, aircraft, and pilot, used for traceability, billing, and regulatory or environmental audits.
- Recurrent Training
- Related: Agricultural Pilot Certificate, Crew Resource Management (CRM)
Periodic instruction and checking required to maintain pilot and crew competence, covering emergency drills, product handling, regulations, and aircraft systems updates.
- Agricultural Aircraft Airframe
- Related: Hopper, Spray Boom
The structural body of an application aircraft, typically strengthened for low-level work with corrosion protection, crashworthiness features, and mounting points for spray equipment.
- Hopper
- Related: Spray Boom, Weight and Balance Envelope
Tank mounted in the aircraft that holds the chemical mixture or dry product to be distributed; its contents change aircraft weight and balance during flight.
- Spray Boom
- Related: Nozzle, Spray Pattern
Horizontal pipe assembly fitted with nozzles and mounted under the wings or fuselage to distribute liquid product in a controlled pattern behind the aircraft.
- Nozzle
- Related: Spray Boom, Droplet Size Spectrum
Component that breaks liquid into droplets of a chosen size; nozzle type, orifice, and pressure determine droplet spectrum, coverage, and drift potential.
- Droplet Size Spectrum
- Related: Nozzle, Drift
Distribution of droplet diameters produced by a nozzle system; fine droplets give better coverage but drift more, while coarse droplets reduce drift but may reduce efficacy.
- Spray Pattern
- Related: Spray Boom, Swath Width
The distribution of product across the swath produced by the boom and nozzle arrangement; it must be checked and adjusted to avoid streaks and overlaps.
- Weight and Balance Envelope
- Related: Hopper, Maximum Takeoff Weight
Approved range of aircraft weight and center of gravity positions within which safe handling and performance are guaranteed; exceeding it degrades control and structural safety.
- Maximum Takeoff Weight
- Related: Weight and Balance Envelope, Density Altitude
Highest aircraft mass permitted for takeoff, accounting for airframe limits, density altitude, runway length, and obstacle clearance; hopper load must be adjusted to respect it.
- Density Altitude
- Related: Maximum Takeoff Weight, Obstacle Clearance
Pressure altitude corrected for temperature, representing the altitude the aircraft performance feels; high values reduce lift, engine power, and climb capability during application runs.
- Swath Width
- Related: Spray Pattern, Application Height
Effective width of ground covered by one application pass, determined by boom length, nozzle configuration, height, and wind; it governs overlap and total area treated.
- Application Height
- Related: Swath Width, Drift
Height above the crop or ground at which the aircraft releases product; it affects swath width, drift, coverage, and safety margin over obstacles.
- Drift
- Related: Droplet Size Spectrum, Buffer Zone
Downwind movement of spray droplets or dust away from the target area, influenced by wind, droplet size, release height, and temperature; a primary environmental and safety hazard.
- Temperature Inversion
- Related: Drift, Wind Shear
Atmospheric condition where temperature increases with height, suppressing vertical mixing and trapping fine droplets near the surface, allowing long-distance drift even in light wind.
- Wind Shear
- Related: Temperature Inversion, Low-Level Turbulence
Rapid change in wind speed or direction over a short distance or height, which can upset a low-flying aircraft during turns and application passes.
- Low-Level Turbulence
- Related: Wind Shear, Obstacle Clearance
Irregular air motion near the ground caused by terrain, buildings, or thermal heating, producing bumps that challenge precise tracking and obstacle clearance at application height.
- Buffer Zone
- Related: Drift, Application Record (Flight Log)
Setback distance between the application area and sensitive sites such as homes, water bodies, or schools, required to protect people and the environment from spray drift.
- Obstacle Clearance
- Related: Power Line Hazard, Low-Level Turbulence
Minimum safe separation maintained between the aircraft and trees, wires, buildings, or terrain during low-level flight, planned before each pass and monitored continuously.
- Power Line Hazard
- Related: Obstacle Clearance, Emergency Landing Area
Risk posed by overhead electrical conductors that are hard to see at low altitude; pilots must identify and mark them, plan crossing points, and avoid abrupt pull-ups near wires.
- Emergency Landing Area
- Related: Power Line Hazard, Hopper Jettison
Pre-selected open ground where the pilot can put down if the engine fails or control is lost, chosen during reconnaissance for approach direction and surface condition.
- Hopper Jettison
- Related: Emergency Landing Area, Hopper
Emergency release of the hopper load to reduce weight and improve climb or glide performance after engine failure or during an uncontrolled descent.
- Engine Failure After Takeoff
- Related: Hopper Jettison, Emergency Landing Area
Critical emergency in which power is lost at low altitude; the pilot must immediately lower the nose, jettison load if needed, and land ahead within the available field.
- Crew Resource Management (CRM)
- Related: Recurrent Training, Loader (Ground Crew)
Training and practice that improves communication, workload distribution, and decision-making among pilot, loader, and ground crew to prevent errors and accidents.
- Loader (Ground Crew)
- Related: Crew Resource Management (CRM), Personal Protective Equipment (PPE)
Ground team member who mixes and loads products, checks quantities, and signals the pilot; clear communication with the loader prevents overload and product mix-ups.
- Personal Protective Equipment (PPE)
- Related: Loader (Ground Crew), Material Safety Data Sheet (MSDS)
Gloves, respirator, coveralls, goggles, and boots worn when handling or loading agricultural chemicals to reduce dermal, inhalation, and eye exposure.
- Material Safety Data Sheet (MSDS)
- Related: Personal Protective Equipment (PPE), Toxicology
Document supplied with a chemical product describing its hazards, toxicity, first-aid measures, handling, and environmental precautions; must be available at the operating base.
- Toxicology
- Related: Material Safety Data Sheet (MSDS), LD50 (Lethal Dose 50)
Study of how chemical products harm living organisms, including routes of exposure, dose-response, and acute or chronic effects relevant to pilots and ground crews.
- LD50 (Lethal Dose 50)
- Related: Toxicology, Personal Protective Equipment (PPE)
Dose of a substance that kills half of a test population; a standard measure of acute toxicity used to compare product hazard and select protective measures.
- Global Positioning System (GPS) Guidance
- Related: Swath Width, Application Map
Satellite-based navigation used to fly precise parallel swaths, mark treated areas, and maintain consistent application height and spacing, especially in low visibility or irregular fields.
- Application Map
- Related: Global Positioning System (GPS) Guidance, Buffer Zone
Planned drawing of the field showing boundaries, obstacles, buffer zones, swath lines, and loading points, used for pre-flight briefing and post-flight records.
- Reconnaissance Flight
- Related: Obstacle Clearance, Emergency Landing Area
Pre-application flight or ground survey to identify obstacles, field shape, wind conditions, and emergency landing areas before beginning low-level application passes.
- Turnaround (Pull-Up) Procedure
- Related: Application Height, Obstacle Clearance
Standard maneuver at the end of an application pass in which the pilot climbs, jettisons nothing, and banks back for the next swath while clearing obstacles and other aircraft.