N78HS

N78HS is a Gulfstream American - Grumman American Gulfstream American GA7, a twin-engine piston aircraft operated by EIGHT HOTEL SIERRA LLC. SkyMeter has tracked 52 flights totalling 22 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KPGD to KPGD. Service window in our records spans 410 days. Of those flights, 2 (3.8%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Gulfstream American - Grumman American Gulfstream American GA7 has a 37 ft wingspan, a maximum takeoff weight of 3,800 lb.

About the Gulfstream American - Grumman American Gulfstream American GA7

The Gulfstream American GA-7 Cougar is a light twin-engine trainer that emerged during the late 1970s as Grumman American's answer to the Piper Seminole and Beechcraft Duchess in the entry-level multi-engine market. Manufactured between 1978 and 1979 before Gulfstream acquired the design, the Cougar was built to provide affordable twin-engine training with docile handling characteristics and relatively low operating costs. Powered by two Lycoming O-320 engines producing 160 horsepower each, the aircraft featured a distinctive T-tail configuration and fixed tricycle landing gear, prioritizing simplicity and maintainability over speed.

The GA-7's brief production run (only about 115 aircraft were built before the line closed) makes it a relatively uncommon sight compared to its Piper and Beechcraft competitors, yet it remains popular among flight schools for multi-engine instruction. The type's benign stall characteristics and counter-rotating propellers (eliminating critical engine concerns) made it particularly well-suited for teaching pilots transitioning from single-engine aircraft. With a maximum cruise speed around 160 knots and a service ceiling of 17,400 feet, the Cougar was never designed to compete on performance but rather on training value and operating economics.

Today, the GA-7 occupies a niche role in general aviation, primarily serving flight training organizations and private owners who value its straightforward systems and relatively forgiving flight envelope. Its rarity compared to the ubiquitous Seminole means parts availability can be challenging, though dedicated owner groups maintain support networks. The type's maximum takeoff weight of 3,800 pounds and approach speed around 70 knots place it squarely in the light twin category, with handling that remains accessible to pilots building multi-engine time.

SkyMeter has tracked flights across airframes and operators, with the largest observed operator.