We’re still collecting data for this aircraft. Routes appear once we’ve seen it fly enough times.
AFTER DEPARTING THE BALTIMORE-WASHINGTON ARPT, THE ACFT HAD CLIMBED TO FL 220. ACCORDING TO INFO ON THE COCKPIT VOICE RECORDER (VCR), THE CREW EXPERIENCED GYRO PROBLEMS DURING THE CLIMB. THEY SELECTED THE #1 VERTICAL GYRO TO DRIVE BOTH APPROACH HORIZONS (ATTITUDE INDICATORS), SINCE THERE WAS AN INDICATION OF A MALFUNCTION IN THE #2 VERTICAL GYRO SYS. ABOUT 7 MIN AFTER LEVELING AT FL 220, THE FLT WAS CLEARED TO THE DRYER VOR. SHORTLY AFTER THAT, THERE WERE INDICATIONS OF CONFUSION IN THE COCKPIT
Lockheed L-188 · 4 fatalities