NTSB CAROL · Event
Event ANC21LA040
Registry · N5489H
FAA Aircraft Registry record.
Make / Model
PIPER PA-18-105 SPECIAL
Year of manufacture
1950 · 71 years old at event
Engine
LYCOMING 0-235 SERIES (115 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19570528
ADS-B equipped
Yes — Mode-S A6F93F
Registrant of record
MCMAHAN CHARLES B
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s decision to initiate a flight with a failed mixture control cable which resulted in a total loss of engine power.
Factual narrative
The pilot of the tailwheel-equipped airplane reported that, the mixture control had been "working really hard" during the initial flight, so he landed at a remote site to investigate. Once on the ground, he found that the mixture control cable, just behind the instrument panel, had failed. He manually opened the mixture control lever and departed for his destination airport. While en route, at about 700 ft above ground level the engine lost all power. He made an emergency off-airport landing to a heavily forested area and the airplane impacted several small to medium sized spruce trees. The airplane sustained substantial damage to the wings and left lift strut. The pilot stated that after the accident, he found the mixture control arm had that the mixture control arm had become detached from his previous temporary repair, and it was in the closed position. Additionally, he noted that he made a poor decision to fly the airplane with a failed mixture control cable. 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 power plant-Engine controls-Mixture control-Inoperative
- — Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2021_ANC21LA040.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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