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Atlas / NTSB / UNK64X3911

NTSB CAROL · Event

Event UNK64X3911

1964-09-11 CHISTOCHINA, Alaska, United States Minor 1 aircraft Status: Completed

Registry · N7850D

FAA Aircraft Registry record.

Make / Model

PIPER PA-22-150

Year of manufacture

1957 · 7 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19570826

ADS-B equipped

Yes — Mode-S AAA575

Registrant of record

PUNT MATTHEW 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

PIPER PA22 · N7850D

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise climb (DB)

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Total time

1,906 hrs

Pilot

Certificate

Commercial — instrument

Total hours

188

Age

24

Cause factors

  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
  • 64/A/08 A
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT 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 2853. Source file NTSB_1964_3_2853.txt. Modern CAROL record on data.ntsb.gov ↗.