Incident Overview
During a flight instruction session, the aircraft was configured for landing. The flight instructor reported observing the red transition light of the landing gear position indicator turn off, indicating that the gear was transitioning. However, the instructor did not recall seeing the green down-and-lock light illuminate, which would have confirmed that the landing gear was fully extended and locked.
Pilot Reports
Both pilots stated that they did not hear the gear warning horn sound when the throttle was pulled fully aft, a standard procedure during landing. The warning horn is designed to alert the crew if the landing gear is not down and locked when the throttles are retarded.
Landing and Postaccident Findings
The airplane touched down with the landing gear still in the up (retracted) position. Following the incident, ground personnel conducted an operational check of the landing gear system. The system was found to function normally, with no anomalies detected.
System Check
The postaccident inspection involved cycling the landing gear and verifying indicator lights and warning horn operation. All components performed within design specifications, indicating that the system was capable of proper operation at the time of the accident.