The Beechcraft King Air 350, nicknamed 'Little Sniffer' in Indian service, is a twin-turboprop intelligence, surveillance, and reconnaissance (ISR) platform that saw extensive use during the war on terror. Equipped with aperture radar (SAR), ground moving target identification (GMTI) consoles, and electro-optical/infrared (EO/IR) sensors, it can map and track targets even in high-clutter environments. With a six-hour endurance and a 3,000 km range, it gathers battlefield data, directs air or ground strikes via precise targeting, jams enemy communications, and shares real-time information through datalinks with command centers. India operates 13 units—11 with the Army and 2 with the Air Force—used on both eastern and western fronts for diverse missions. The removable console allows swapping in ELINT/ESIGINT equipment or even converting the aircraft for utility transport. In my opinion, the 'Little Sniffer' excels in counterinsurgency (COIN) operations because its low operating cost, long loiter time, and ability to operate from austere airstrips make it ideal for persistent surveillance of guerrilla movements. However, its low speed and lack of stealth render it highly vulnerable to modern air defense systems (ADS) like the Russian Pantsir or Chinese HQ-17, making deep-penetration strategic spy missions risky. Unmanned aerial vehicles (UAVs) such as the MQ-9 Reaper or high-altitude long-endurance (HALE) drones offer greater endurance, higher operating altitudes, and no risk to pilots, gradually eclipsing the King Air’s utility in contested environments. Thus, the King Air 350 ISR remains relevant in low-threat theatres but will likely be phased out of high-risk missions as UAV technology and ADS capabilities advance. Militaries should reserve these turboprops for COIN and border surveillance where enemy air defenses are minimal, while investing in stealthy UAVs for traditional spy missions.