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Atlas / NTSB / NYC71AN049

NTSB CAROL · Event

Event NYC71AN049

1970-10-18 JACKSON, New Hampshire, United States Fatal 1 aircraft Status: Completed

Registry · N3899A

FAA Aircraft Registry record.

Make / Model

SCHWEIZER SGS 1-23G

Year of manufacture

1958 · 12 years old at event

Engine

NONE NONE

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19580829

ADS-B equipped

Yes — Mode-S A4804D

Registrant of record

FOX WAYNE G

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 SGS1 · N3899A

Damage

Substantial

Craft type

C

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

D

Kind of flying

B0

Weather at impact

Sky

BROKEN

Wind

280° / 20 kt

Aircraft history

Serial number

000000000038

Total time

610 hrs

Pilot

Certificate

Commercial — instrument

Total hours

151

Age

56

Probable cause (from PRE1982.MDB)

CFT RECOVERED 10/20/70.

Investigator remarks

PLT ABANDONED ACFT TOO LOW FOR CHUTE TO DEPLOY.A

Cause factors

  • 64/C/09 C
    PILOT IN COMMAND EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT Cause
  • 64/C/05 C
    PILOT IN COMMAND CONTINUED FLIGHT INTO KNOWN AREAS OF SEVERE TURBULENCE Cause
  • 70/C/D4 C
    AIRFRAME VERTICAL STABILIZER,ATTACHMENTS Cause
  • 70/C/D1 C
    AIRFRAME RUDDER SURFACES,ATTACHMENTS Cause
  • 88/C/94 C
    MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Cause
  • 82/C/M C
    WEATHER DOWNDRAFT,UPDRAFTS Cause

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 2486. Source file NTSB_1970_3_2486.txt. Modern CAROL record on data.ntsb.gov ↗.