NTSB CAROL · Event
Event ERA25LA108
Registry · N74608
FAA Aircraft Registry record.
Make / Model
GRUMMAN AMERICAN AA-5B
Year of manufacture
1976 · 49 years old at event
Engine
LYCOMING O&VO-360 SER (180 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19760608
ADS-B equipped
Yes — Mode-S AA0B4D
Registrant of record
PALMER THOMAS R
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s distraction during taxi, which resulted in a taxiway excursion.
Factual narrative
The pilot stated that he was taxiing to the end of the runway in preparation for takeoff. During the taxi, the pilot noted a fault message on the GPS. While his attention was focused on the GPS, the airplane departed the edge of the taxiway, rolled down a hill, and came to rest in trees and brush. Both of the airplane’s wings were substantially damaged. The pilot reported that there were no preimpact mechanical malfunctions or failures of the airplane that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained
- — Personnel issues-Psychological-Attention/monitoring-Attention-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2025_ERA25LA108.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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