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Atlas / NTSB / DEN69D0072

NTSB CAROL · Event

Event DEN69D0072

1968-07-28 JACKSON, Wyoming, United States None 1 aircraft Status: Completed

Registry · N690B

FAA Aircraft Registry record.

Make / Model

PIPER PA-23

Year of manufacture

1955 · 13 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

5 seats · 2 engines

Last airworthiness date

19551212

ADS-B equipped

Yes — Mode-S A92ACF

Registrant of record

LINCWINGS SOCIETY LLC

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 PA-23 · N690B

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Kind of flying

B1

Weather at impact

Sky

CLEAR

Temp

93° F

Pilot

Certificate

Commercial — instrument

Total hours

372

Age

19

Probable cause (from PRE1982.MDB)

E ENG FLT.LND IN HAY FLD.DENSITY ALT ABOUT 10000.

Investigator remarks

LEFT ENG FAILED,PLT WAS UNABLE TO MAINTAIN SINGL

Cause factors

  • 64/C/29 C
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause
  • 88/C/87 C
    MISCELLANEOUS ACTS,CONDITIONS WATER IN FUEL Cause
  • 82/K/W K
    WEATHER HIGH DENSITY ALTITUDE 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 2583. Source file NTSB_1968_3_2583.txt. Modern CAROL record on data.ntsb.gov ↗.