WPR22LA190

NTSB accident investigation · Co-Z Development Cozy Mark IV · Page, AZ · May 25, 2022

Accident · No injuriesClass 4 · LimitedFinal report
Date
May 24, 2022, 19:15 local (May 25, 2022, 02:15 UTC)
Place
Page, AZ
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N44CZCo-Z Development Cozy Mark IV
Defining event
Landing: Landing gear collapse
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Western Pacific Region
Parties
FAA FSDO
Case key
105163

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The failure to install the correct fuse in the landing gear circuit.

Findings · 1

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Electrical power systemAircraft › Aircraft systems · Incorrect service/maintenanceCo-Z Development COZY MARK IV: 1 caseAll aircraft: 48 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that, the landing gear did not deploy on approach and the airplane subsequently landed with the nose gear retracted. The pilot stated the wrong electrical fuse was installed in the landing gear circuit. The airplane sustained substantial damage to the fuselage. The pilot reported no other preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Aircraft

Registration
N44CZ
Reported as
Co-Z Development Cozy Mark IV
Category
Airplane
Serial number
1
Built
1988
Airframe hours
1,150
Engine
Co-Z Development Cozy Mark IV, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Randy Jaeger
Registered owner
Throery Seventy Three Corporation
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · March 29, 2022 · 1,150 hours before
Departed
KCNO · Chino, CA
Destination
KPGA · Page, AZ
Airport
PGA · Page Municipal, runway 33, 5,950 × 150 ft, asphalt
Equipment
Auto-pilot, Electronic flight bag or handheld device, Electronic multifunction display, Electronic primary flight display, Handheld GPS, Onboard weather, Satellite tracking device, ADS-B

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
59
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
February 5, 2022
Seat
Left
Flight hours
309 total · 309 as pilot in command · 12 in the last 90 days · 12 in the last 30 days

Weather

Conditions
Visual (VMC) · Dusk
Wind
Variable at 4 knots
Visibility
10 statute miles
Temperature
19 °F, dew point -11 °F
Observed at
KPGA METAR
METAR
METAR KPGA 242153Z AUTO VRB04KT 10SM CLR 27/M10 A2989 RMK AO2 SLP062 T02671100 $=

Docket · 2

The files NTSB released with the investigation on October 4, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.2 MB in all.