Thursday, December 06, 2018

Rans S-4 Coyote 1, N3156D: Accident occurred April 08, 2022 and Incident occurred November 26, 2018

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. 

The National Transportation Safety Board did not travel to the scene of this accident. 

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; San Diego, California

Location: Chula Vista, California
Accident Number: WPR22LA149
Date and Time: April 8, 2022, 15:30 Local
Registration: N3156D
Injuries: 1 None
Flight Conducted Under: Part 91: General aviation - Personal

On April 8, 2022, about 1530 Pacific standard time, an experimental amateur-built Rans S4 Coyote 1, N3156D, was substantially damaged when it was involved in an accident near Chula Vista, California. The pilot was the sole occupant and was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight.

The pilot stated that he completed a preflight inspection of the airplane with his mechanic and then started the airplane and taxied to runway 27. He aligned the airplane with the runway centerline and then gradually advanced the throttle for takeoff. When the airplane was about 300 ft into the takeoff roll the pilot applied back pressure to the flight stick and the airplane started to transition into a climb. However, the airplane immediately began a right roll when it was only a few feet above the ground. The pilot rapidly applied left flight stick, but the airplane continued to roll to the right. He then pushed the flight stick forward and applied left rudder to remain in ground effect and increase his airspeed, which slowed the right roll.

The airplane was to the right of the right runway edge at an altitude of about 8 ft agl as it approached the departure end of the runway when the pilot decided he had insufficient control of the airplane to continue the flight safely. At this point he reduced the engine power to idle and placed the airplane in a left crab, which allowed him to maintain a level attitude. As he pulled back on the flight stick to begin a landing flare he felt the right wing drop again. The airplane touched down on the right main landing gear, which immediately collapsed and the right wing impacted the ground.

Postaccident photographs from the Federal Aviation Administration showed substantial damage to the right wing.

The pilot stated that the airplane suffered a hard landing about 9 months prior, which resulted in damage to the right wing and right main landing gear. This was the pilot’s first flight in the accident airplane after it was repaired. Further inspection of the wreckage revealed that the right-wing strut was not bolted to its attachment clevis at the right wing. 

Aircraft and Owner/Operator Information

Aircraft Make: DIETRICH RYAN
Registration: N3156D
Model/Series: S-4 COYOTE 1 
Aircraft Category: Airplane
Amateur Built:
Operator: On file 
Operating Certificate(s) Held: None
Operator Designator Code:

Meteorological Information and Flight Plan

Conditions at Accident Site: VMC 
Condition of Light: Day
Observation Facility, Elevation: KSDM,521 ft msl 
Observation Time: 15:53 Local
Distance from Accident Site: 6 Nautical Miles
Temperature/Dew Point: 33°C /-5°C
Lowest Cloud Condition: Clear
Wind Speed/Gusts, Direction: 12 knots / 17 knots, 290°
Lowest Ceiling: None 
Visibility: 10 miles
Altimeter Setting: 29.85 inches Hg
Type of Flight Plan Filed: None
Departure Point: Chula Vista, CA (0CL3)
Destination: Chula Vista, CA

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries: 
Aircraft Explosion: None
Total Injuries: 1 None 
Latitude, Longitude: 32.633372,-116.89031

April 08, 2022:  Aircraft crashed shortly after takeoff. 

Date: 08-APR-22
Time: 21:48:00Z
Regis#: N3156D
Aircraft Make: RANS
Aircraft Model: S-4 COYOTE 1
Event Type: ACCIDENT
Highest Injury: NONE
Aircraft Missing: No
Activity: PERSONAL
Flight Phase: TAKEOFF (TOF)
Operation: 91

Federal Aviation Administration / Flight Standards District Office; San Diego, California

November 26, 2018:  Crashed due to unknown circumstances.

Date: 26-NOV-18
Time: 22:00:00Z
Regis#: N3156D
Aircraft Make: RANS
Aircraft Model: S 4 COYOTE 1
Event Type: INCIDENT
Highest Injury: MINOR
Aircraft Missing: No
Activity: UNKNOWN
Flight Phase: UNKNOWN (UNK)
Operation: 91

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