Single-engine piston

N457CF

Homebuilt Flournoy MR S1S

Registered 1 NTSB/FAA record

Built

—

Serial

Class

Single-engine piston

Engines

Lycoming O&VO-360 series

Status

Current as of October 2026

Registered owner

Individual · sign in to see

Based

Sun City, CA

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Registration record

N457CF on the FAA register

Type

Homebuilt Flournoy MR S1S

Serial

Engines

Lycoming O&VO-360 series

Registered owner

Individual — the name of an individual registrant is shown to signed-in users. Sign in

Sun City, CA

Certificate issued

2022-05-26

Airworthiness date

2000-08-12

Registration expires

2029-05-31

Airworthiness class

Experimental · amateur-built

Mode S (hex)

A58C55

Mode S (octal)

51306125

Seats (type)

Weight class

up to 12,499 lb

Status

Current as of October 2026

Registry history

Timeline

2029-05-31
Registration expires (renewal due).
2022-05-26
Certificate of registration issued as N457CF.
2011-05-22
Accident at Colorado Springs, CO; damage: substantial.
2000-08-12
Airworthiness date on the current FAA record (experimental category (amateur-built)).

Overview

About N457CF

N457CF is a Homebuilt Flournoy MR S1S, serial number 08. It is registered to an individual in Sun City, California. The current certificate of registration was issued on May 26, 2022 and expires on May 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O&VO-360 series engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated August 12, 2000.

N457CF has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2011-05-22 Accident · Colorado Springs, CO Damage: Substantial NTSB · CEN11LA361

Reported aircraft: Flournoy Martin R Flournoy MR S1S

Probable cause: The pilot s loss of directional control during the landing rollout due to failure of the tailwheel assembly for undetermined reasons.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Aircraft registered in California· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.