Atlas / NTSB / OAK7MDJA03

NTSB CAROL · Event

Event OAK7MDJA03

1976-12-16 KEAAU, Hawaii, United States None 1 aircraft Status: Completed

Registry · N306MA

FAA Aircraft Registry record.

Make / Model

BOMBARDIER INC BD-700-1A10

Year of manufacture

2007

Engine

ROLLS-ROYC BR 700 SERIES

Seats / Engines

23 seats · 2 engines

Last airworthiness date

20211223

ADS-B equipped

Yes — Mode-S A336B0

Registrant of record

SC AVIATION LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N306MA MURRAYAIR MA-1 None

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

MURRAYAIR MA-1 · N306MA

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DN

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CB

Weather at impact

Sky

CLEAR

Wind

045° / 6 kt

Aircraft history

Serial number

Z

Total time

3,321 hrs

Pilot

Certificate

Commercial

Age

58

Probable cause (from PRE1982.MDB)

ATED CAUSING EXCESSIVE PLAY OF IMPELLER SHAFT.

Investigator remarks

IMPELLER SHAFT BALL BEARING ASSEMBLIES DISINTEGR

Cause factors

74/C/AG C
POWERPLANT BLOWER,IMPELLER ASSEMBLY Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/K/D K
TERRAIN HIGH VEGETATION Joint factor

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 3 3941. Source file NTSB_1976_3_3941.txt. Modern CAROL record on data.ntsb.gov ↗.

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