The Aviation Safety Council (ASC) Taiwan released it’s final report on the investigation of a Daily Air Dornier 228 gear-up landing at Taitung Airport.
On December 21, 2014, a Daily Air Dornier 228 airplane took off from Taitung Airport for a local training flight. Both the instructor pilot and the training captain did not follow the standard procedures to conduct the before landing check list, which resulted in the airplane landing with the undercarriage still in the retracted position.
The ASC reported the following findings:
Findings related to probable causes:
- The instructor pilot and the training captain of this training mission did not follow the standard operation procedures to conduct the before landing check list, resulted in the airplane belly landed without extended the landing gear.
- The instructor pilot provided massive instructions to the training captain during the flight training process; it impacted the situation awareness in the cockpit. In addition, he did not take over the control after the landing gear warning tone initiated; his airmanship and the proficiency was considered insufficient.
Findings related to the risks
- The instructor pilot did not comprehend the training contents of this training flight and did not follow the training manual to conduct the briefing.
- The instructor pilot did not follow the session #1 of the captain training program to conduct the simulated single engine failure controllability exercises in flight area, but conducted the simulated single engine approach and landing exercises which were not in the session #1 of the training program; it impact the flight safety.
- The Daily Air did not conduct the appropriate training program to the instructor pilot; it may generate the insufficient training and competence of the instructor pilot.
- Some flight crew in DO-228 fleet did not pay attention to follow the procedures and the safety concept in the manuals during daily operations; it may affect the normal routine operation and flight safety.
- The manpower shortage of flight operation training department and the employees are depressed by the uncertainty of their job in Daily Air may impact the routine operation and training.
- The function of flight operation supervision in Daily Air was not fully executed, and the CAA was not reviewing and regulating the related programs and manuals properly as a regulatory of Daily Air.
- Parts of the manuals of Daily Air were inconsistent with the practical operational conditions; some definition of flight crew training manual was not clearly defined and the right seat captain training program was not defined in training manual, it may affect the training processes.