On September 21, 2009, a CESSNA 172S operated by Scott A.W. Ellison was involved in an aviation accident near San Carlos, CA. No fatalities were reported. Investigators recorded the probable cause as: The student pilot failed to maintain adequate clearance from a fence post while taxiing. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.
A student pilot's attention was diverted while taxiing, leading to a wing strike against a fence post.
What happened
On September 21, 2009, a Cessna 172S, registration N21591, was being operated by a student pilot at San Carlos, CA. While taxiing around another aircraft toward the runup area, the pilot's attention was momentarily diverted. During this time, the right wing of the aircraft struck a fence post. The impact caused substantial damage to the leading edge of the wing. There were no injuries resulting from the incident.
The investigation
The investigation determined that the pilot was taxiing in visual meteorological conditions (VMC) with a visibility of 5 statute miles and winds at 000 degrees at 4 knots. The impact occurred as the pilot was maneuvering around another airplane.
Probable cause
The student pilot failed to maintain adequate clearance from a fence post while taxiing.
Contributing factors
Student pilotResponse/compensation
Related events
Same aircraft family
24 Sep 2026 — CESSNA 172B
23 Sep 2026 — CESSNA 172
18 Sep 2026 — CESSNA 172
16 Sep 2026 — CESSNA 172M (CK Aviation LLC)
9 Sep 2026 — CESSNA 172
8 Sep 2026 — CESSNA 172N
7 Sep 2026 — CESSNA 172N (Tin Cup Investments INC)
24 Aug 2026 — CESSNA 172M
21 Aug 2026 — CESSNA 172P (Vascular Wings LLC)
18 Aug 2026 — CESSNA 172L (Ocala Aviation Services INC)
16 Aug 2026 — CESSNA 172L (Foothill Aircraft Sales and Service Inc.)
9 Aug 2026 — CESSNA 172N (Kimber 123 Holdings LLC)
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