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Atlas / NTSB / DEN71DTC01

NTSB CAROL · Event

Event DEN71DTC01

1971-05-15 POWELL, Wyoming, United States None 1 aircraft Status: Completed

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

CESSNA 150B · N1134Y

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C4

Operator type

Personal/private

Airport

PVT STRIP

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000005059534

Total time

2,476 hrs

Pilot

Certificate

Commercial — instrument

Total hours

156

Age

20

Probable cause (from PRE1982.MDB)

HORT STRIP UPHILL.PLT ABRTD,HIT ROCKS.

Investigator remarks

PLT ATMPTD TKOF AT HIGH GROSS WT,HIGH DENS ALT,S

Cause factors

  • 64/A/29 A
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
  • 64/A/06 A
    PILOT IN COMMAND DELAYED ACTION IN ABORTING TAKEOFF Cause — pilot/personnel action
  • 80/J/BY J
    AIRPORTS/AIRWAYS/FACILITIES OTHER Joint cause
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE Joint 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 1588. Source file NTSB_1971_3_1588.txt. Modern CAROL record on data.ntsb.gov ↗.