Beechcraft A45 N422NM

Summary

On 15 November 1985 at about 22:03 local time, a Beechcraft A45 registered N422NM, operated by Civil Air Patrol, was involved in an accident near Albuquerque, New Mexico, United States. 2 people were on board and 2 were seriously injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

15 November 1985 at 22:03

Classification

Accident

Location

Albuquerque, New Mexico, United States

Nearest airport

Alameda (Q64)

Coordinates

Not recorded

Aircraft

Beechcraft A45

Registration

N422NM

Category

Airplane

Engines

1

Operator

Civil Air Patrol

Operating rule

Part 91: General Aviation

Purpose of flight

Instructional

Phase of flight

Not recorded

Route

Kirkland Afb → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

DEN86FA023

2 people were seriously injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

WHILE MANEUVERING TO ENTER TRAFFIC AT ALAMEDA ARPT, THE PLT EXPERIENCED SEVERE ACFT VIBRATIONS. HE ATTEMPTED BUT WAS NOT ABLE TO REACH THE ARPT DUE TO RAPID LOSS OF AIRSPEED ANDALTITUDE. THE ACFT CRASHED 1/2 MILE FROM THE LANDING RWY. THE ONE PAX AND A WITNESS INDICATED THAT THE ACFT STALLED 20-30 FT AGL. THE INVESTIGATION REVEALED A FRACTURED PROPELLERPITCH ACTUATING PIN WHICH WAS CAUSED BY A RECENT IMPROPER OVERHAUL. THE HOLE IN WHICH THE PIN WAS INSTALLED WAS IMPROPERLY DRILLED, ALLOWING THE PIN TO BOTTOM OUT BEFORE TORQUE COULD BE APPLIED TO THE SHAFT. EXAMINATION OF THE FRACTURED SURFACES BY METALLURGIAL LABORATORY ANALYSIS REVEALED A PROGRESSIVE TYPE OF FAILURE.

Quoted verbatim from the NTSB record.