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Atlas / NTSB / NYC78FNA29

NTSB CAROL · Event

Event NYC78FNA29

1978-06-10 PLYMOUTH, Massachusetts, United States Fatal 1 aircraft Status: Completed

Registry · N17958

FAA Aircraft Registry record.

Make / Model

SONEX AIRCRAFT SONEX

Year of manufacture

2020

Engine

GREATPLAIN 2180CC VW (76 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20200828

ADS-B equipped

Yes — Mode-S A13DC4

Registrant of record

POLK JUSTIN L

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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

SCHWEIZER 233A · N17958

Damage

Substantial

Craft type

C

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

Personal/private

Airport

PLYMOUTH

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000000288

Total time

797 hrs

Pilot

Certificate

Airline transport

Total hours

19

Age

35

Cause factors

  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action

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 3064. Source file NTSB_1978_3_3064.txt. Modern CAROL record on data.ntsb.gov ↗.