Atlas / NTSB / UNK64X1162

NTSB CAROL · Event

Event UNK64X1162

1964-04-04 MAXWELL, California, United States Minor 1 aircraft Status: Completed

Registry · N1730B

FAA Aircraft Registry record.

Make / Model

BOEING E75N1

Engine

P&W R1340 SERIES (600 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19620404

ADS-B equipped

Yes — Mode-S A126AC

Registrant of record

PEMBERTON RYAN A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N1730B Boeing A75 Minor

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

BOEING A75 · N1730B

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DG

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CA

Weather at impact

Temp

70° F

Aircraft history

Total time

2,027 hrs

Pilot

Certificate

C3 (C3)

Total hours

52,000

Age

344

Investigator remarks

AN ON THE SCENE INVESTIGATION WAS CONDUCTED

Cause factors

74/A/KA A
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause — pilot/personnel action
64/B/16 B
PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED
74/1/KE 1
POWERPLANT DETONATION Subordinate · 1
88/1/AR 1
MISCELLANEOUS ACTS,CONDITIONS CARBON DEPOSITS Subordinate · 1

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 0807. Source file NTSB_1964_3_0807.txt. Modern CAROL record on data.ntsb.gov ↗.

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