This 160-horsepower Cessna 172 is equipped with long-range tanks for extended trips. The Garmin 250XL moving-map GPS/comm. allows for ease and accuracy of navigation in and around the complex Washington airspace, while the flip/flop Nav/Comm. radio provides extra convenience and redundancy. The ADF, DME, glideslope indicator and marker beacons increase navigation options, while the autopilot can reduce pilot workload.