NTSB CAROL · Event
Event FTW98LA148
Registry · N9239Q
FAA Aircraft Registry record.
Make / Model
BEECH 58
Year of manufacture
1971 · 27 years old at event
Engine
CONT MOTOR IO 520 SERIES (285 hp)
Seats / Engines
6 seats · 2 engines
Last airworthiness date
19710926
ADS-B equipped
Yes — Mode-S ACCCF1
Registrant of record
RETTIG & ASSOCIATES LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The total failure of the landing gear retraction/extension assembly for reasons undetermined.
Factual narrative
On March 12, 1998, at 1940 mountain standard time, a Beech 58, N9239Q, sustained substantial damage during a gear up landing at Taos Municipal Airport, Taos, New Mexico. The private pilot and his three passengers were not injured, and there was no damage to other property. The flight was operating under Title 14 CFR Part 91, and an IFR flight plan had been filed. The flight originated at Austin, Texas, at 1540 central standard time. According to the pilot's accident report, he attempted to lower the landing gear in preparation for a normal landing on runway 22. When he lowered the landing gear switch, the "gear lock indicators failed to indicate that the landing gear had been moved to the down-and-locked position. The switch was raised and lowered again but failed to lower the landing gear." He also attempted to lower the landing gear by manual extension, but was unsuccessful. After circling the airport for approximately 20-30 minutes, the pilot notified ground personnel of the situation and executed an emergency gear-up landing. Postaccident examination of the aircraft revealed that the landing gear box had failed, causing the flaps attachment tracks to separate from the spar webbing, and the belly formers to be damaged. The pilot attempted to lower the landing gear in preparation for a normal landing. When he lowered the landing gear switch, the gear lock indicators failed to indicate the landing gear in the down-and-locked position. Manual extension of the landing gear was also unsuccessful. After circling the airport for approximately 20-30 minutes, he executed an emergency gear-up landing. Postaccident examination of the aircraft revealed that the landing gear box had failed, causing the flaps attachment tracks to separate from the spar webbing, and the belly formers to be damaged. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1998_FTW98LA148.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. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2011 · Conference Paper
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- NTSB Aircraft Accident Reports 2004 · Accident report
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- NASA NTRS 2019 · Other
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- NASA NTRS 2016 · Conference Paper
An overview of SAE ARP 1587: Aircraft gas turbine engine monitoring system guide
A systematic approach to developing an engine monitoring system (EMS) is outlined. An extensive shopping list of EMS capabilities and benefits are included.
- arXiv 2025 · arXiv preprint
Numerical Investigation of Discontinuous Ice Effects on Swept Wings
This study investigates the aerodynamic performance and flow structures of infinite swept wings with artificially simulated discontinuous ice using an enhanced delayed detached-eddy simulation.
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