N86326AERONCA 11AC2025-09-29 NTSB Accident Report

Substantial
None

AERONCA 11ACS/N: 11AC-132

Summary

On September 29, 2025, a Aeronca 11AC (N86326) was involved in an incident near Longmont, CO. All 2 people aboard were uninjured. The aircraft sustained substantial damage.

The National Transportation Safety Board determined the probable cause of this incident to be: The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion and the pilot’s improper landing flare which resulted in a hard landing.

This incident is documented in NTSB report CEN25LA403. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N86326.

Accident Details

Date
Monday, September 29, 2025
NTSB Number
CEN25LA403
Location
Longmont, CO
Event ID
20250930201754
Coordinates
40.167200, -105.101900
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
2
Total Aboard
2

Probable Cause and Findings

The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion and the pilot’s improper landing flare which resulted in a hard landing.

Aircraft Information

Registration
Make
AERONCA
Serial Number
11AC-132
Engine Type
Reciprocating
Year Built
1946
Model / ICAO
11ACJCOM
Aircraft Type
Fixed Wing Single Engine
No. of Engines
1
Seats
2
FAA Model
11AC

Registered Owner (Current)

Name
REGISTRATION PENDING
Address
2331 SANTA FE DR
City
LONGMONT
State / Zip Code
CO 80504-2714
Country
United States

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# CEN25LA403