ASN Wikibase Occurrence # 178373
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| Date: | Thursday 6 August 2015 |
| Time: | 10:30 |
| Type: |  Ryan ST-3KR |
| Owner/operator: | Private |
| Registration: | N48701 |
| MSN: | 2101 |
| Year of manufacture: | 1942 |
| Total airframe hrs: | 2513 hours |
| Engine model: | KINNER R5 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Frazier Lake Airpark (1C9), Hollister, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | San Jose, CA |
| Hollister, CA (1C9) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Following an uneventful flight in the tailwheel-equipped airplane, the pilot entered the airport traffic pattern for the nontowered airport, which featured a single turf runway. The pilot announced his position on the airport’s common traffic advisory frequency (CTAF). The pilot continued to turn onto the base leg and then onto final, announced his position on each segment, and landed in a 3-point attitude. During the landing roll, the airplane struck a stationary, occupied lawnmower and a truck on the right side of the runway. The pilot further reported that he did not see the lawnmower while he was in the traffic pattern or during the landing sequence. The driver of the truck, who was talking to the person operating the lawnmower, reported that they were located on the right side of the runway, just beyond a turnoff to the taxiway, and were discussing an issue with the mower. The driver further reported that the lawnmower operator did have a headset connected to an aircraft transceiver; however, he was not wearing it during the conversation.
It is likely that the nose-high attitude of the tailwheel-equipped airplane and the pilot’s position in the rear seat reduced the pilot’s forward visibility during the landing and subsequent landing roll precluded his ability to see objects directly in front of the airplane. However, the pilot would have had adequate visibility to inspect the runway for obstructions while operating in the traffic pattern. In addition, if the lawnmower operator had been using the transceiver to monitor the CTAF, it is likely that he would have heard the approaching airplane and repositioned the lawnmower off the runway before the airplane landed.
Probable Cause: The pilot's failure to observe the runway environment while operating in the traffic pattern and his subsequent failure to maintain clearance from a lawnmower on the runway during the landing roll. Contributing to the accident was the lawnmower operator's decision to remain on the runway while troubleshooting the mowing equipment without monitoring the airport's common traffic advisory frequency.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=48701
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Aug-2015 23:58 | Geno | Added |
| 07-Aug-2015 00:10 | Geno | Updated [Date] |
| 07-Aug-2015 16:41 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
| 10-Aug-2015 08:06 | harro | Updated [Aircraft type] |
| 12-Aug-2015 13:52 | Aerossurance | Updated [Time, Nature, Source, Narrative] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 15:07 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
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