What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Shortly after takeoff and during climbout, at about 650' AGL, (approx 1 minute into flight) the aircraft began to violently shake as one prop blade had departed the aircraft. Pilot retarded throttle, pitched forward and prepared for off-field landing. The pax is a 30K+ hour ATP / CFI and assisted with the emergency. Pilot was able to execute 180 degree turn and return to airport, landing without incident.
As the FAA filed it
SHORTLY AFTER TAKEOFF AND DURING CLIMBOUT, AT ABOUT 650' AGL, (APPROX 1 MINUTE INTO FLIGHT) THE AIRCRAFT BEGAN TO VIOLENTLY SHAKE AS ONE PROP BLADE HAD DEPARTED THE AIRCRAFT. PILOT RETARDED THROTTLE, PITCHED FORWARD AND PREPARED FOR OFF-FIELD LANDING. THE PAX IS A 30K+ HOUR ATP / CFI AND ASSISTED WITH THE EMERGENCY. PILOT WAS ABLE TO EXECUTE 180 DEGREE TURN AND RETURN TO AIRPORT, LANDING WITHOUT INCIDENT.