NTSB CAROL · Event
Event LAX96LA292
Registry · N29974
FAA Aircraft Registry record.
Make / Model
WACO UPF-7
Year of manufacture
1940 · 56 years old at event
Engine
JACOBS L4 /R755-7 (245 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19621120
ADS-B equipped
Yes — Mode-S A31A53
Registrant of record
C S AVIATION LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
the failure of the pilot to maintain directional control on touchdown and the landing ground roll.
Factual narrative
On July 30, 1996, about 0830 hours mountain standard time, a Waco UPF7, N29974, ran off the runway, struck an obstruction and ground looped while landing at Payson Airport, Payson, Arizona. The aircraft sustained substantial damage; however, neither the commercial pilot nor his passenger/mechanic was injured. The aircraft was being operated as a personal flight when the accident occurred. The flight originated in Payson about 0815 on the day of the accident. Visual meteorological conditions prevailed at the time and no flight plan had been filed. The pilot reported to an FAA inspector that he and his mechanic were performing a maintenance test flight after an engine overhaul. While on final approach to runway 24, the pilot did not maintain adequate peripheral vision, lost directional control, and ran off the left side of the runway. He attempted a go-around but the aircraft struck an open trench causing it to abruptly yaw about 120 degrees. The left main gear then collapsed which allowed the left wing and propeller to strike the ground. After the accident the aircraft was moved to a hangar on the Payson airport. A postaccident inspection conducted by an airworthiness inspector found damage to the left wing spars. While on final approach and touchdown the pilot did not maintain adequate peripheral vision, lost directional control, and ran off the left side of the runway. He attempted a go-around but the aircraft struck an open trench. The left main gear collapsed which allowed the left wing and propeller to strike the ground. There were no reported mechanical problems. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1996_LAX96LA292.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (go-around, maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- NASA NTRS 2025 · Conference Paper
A Training Study to Improve Monitoring During A Go-Around
As part of an FAA program to improve go-around (GA) safety, we were asked to determine if we could improve the performance of the Pilot Monitoring (PM) during a GA maneuver.
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Flight Safety Foundation 2024 · FSF / AeroSafety World
Go-Around Safety Forum Findings
Foundation Go-Around Safety Forum technical findings — examines why pilots fail to execute go-arounds when criteria are met (stabilized approach gate not met, energy state out of envelope, traffic con…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
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