Opinion: Aviation’s Invaluable Contributions To Global Agriculture

When aviation analysts obsess over the latest narrowbody backlog or business jet delivery forecast, they are overlooking a fleet of nearly 4,000 turbine-powered agricultural aircraft in operation around the world. This fleet protects crops worth hundreds of billions of dollars annually, yet it does not appear in major industry forecasts.

More than half of these aircraft fly in the U.S. in a sector that generates an estimated $37 billion in annual economic value across just five major crops—corn, soybeans, wheat, cotton and rice—according to the National Agricultural Aviation Association (NAAA). The NAAA reports that these aircraft treat 127 million acres of U.S. cropland annually, representing 28% of all cultivated U.S. acreage. Without aerial application of pesticides, American farmers would lose 1.7 billion bushels of corn and 295 million bushels of soybeans and require an additional 27 million acres of farmland, an area the size of Tennessee.

The fleet is dominated by Air Tractor and Thrush Aircraft, U.S.-based manufacturers that produce new, purpose-built agricultural aircraft priced between $1 million and $2 million. Air Tractor has been delivering more than 150 aircraft annually since 2021, underscoring the sector’s robust demand. Its workhorse AT-502 represents 38% of the turbine fleet, followed by the larger AT-802 at 28%, both powered by variants of Pratt & Whitney Canada’s PT6A. These are not vintage crop dusters; they are sophisticated platforms equipped with GPS guidance, variable-rate flow controllers and real-time meteorological systems that together achieve application accuracy that would be impossible with ground equipment.

The level of skill required to fly these aircraft rivals that in other aviation sectors. Agricultural aircraft pilots average nearly two decades of experience, and they execute 30-100 takeoffs and landings daily from rough airstrips, fly at 50 ft. while navigating obstacles and managing precise chemical application rates. The operational complexity explains why only a limited set of dedicated agricultural pilots serve the entire U.S. market. It takes significant investment to recruit candidates with both bush pilot skills and chemical application experience.

Why are aircraft used to protect agriculture? Three factors make them irreplaceable. First, speed and timing are critical when disease threatens crops. An AT-502 treats 250 acres per hour—it would take a full day to treat 250 acres with ground equipment. Second, wet field conditions and rolling terrain often make ground application impossible. Third, aerial application prevents soil compaction and crop damage. Research from Purdue University and Kansas State University shows ground rigs damage 1.5-5% of crops and reduce corn yields by up to 18.6 bushels per acre compared with aerial application.

The agriculture industry’s dynamics are shifting dramatically. Globalization has spread crop diseases worldwide faster than ever. Black sigatoka fungus, which devastates banana crops, now requires weekly aerial fungicide applications year-round in tropical regions, a dramatic increase from the handful of treatments needed before widespread outbreak. Farm consolidation is driving demand for larger, more capable aircraft, too. Nearly 40% of Brazilian farms exceed 1,000 acres, compared with less than 10% in the U.S., and Latin America’s agricultural aircraft fleet is growing more than four times the rate of North America’s.

Brazil illustrates the market’s evolution. While 60% of the country’s 2,500+ agricultural fleet are Embraer’s piston-powered Ipanemas, operators are upgrading to turbine imports. Embraer delivered 65 Ipanemas in 2023, but the turboprop segment is growing faster as year-round growing seasons and diseases like black sigatoka make turbine aircraft economics compelling. With utilization averaging 500-800 hr. annually, and sometimes exceeding 1,000 hr. in tropical regions, the productivity advantage of turbine aircraft justifies their higher acquisition costs.

Uncrewed aircraft systems (UAS) are the proverbial “elephant in the hangar.” More than 2,000 agricultural drones operate in Brazil alone, and drone advocates assert that UAS will replace crewed aircraft. The data suggests otherwise. Even advanced agricultural drones cover just 12-52 acres per hour with 8-80-gal. capacity, requiring constant recharging and refilling. In contrast, an AT-502 carries 500 gal. and treats 250 acres hourly. Simple physics, payload capacity and battery technology mean UAS will remain complementary tools for precision spot-spraying and monitoring rather than replacing crewed aircraft that cover large acreage quickly.

Beyond the Americas, opportunities exist in Africa and the Asia-Pacific region despite infrastructure and regulatory hurdles. Africa’s nascent commercial agriculture industry and vast untapped arable land represent long-term potential, and the Philippines’ expanding banana plantations face the same black sigatoka pressures driving Latin American demand for aerial application.

Dylan Volanth is a senior associate at AeroDynamic Advisory, with experience across commercial, business and general aviation.