Skip to content

Atlas / NTSB / DEN74FTC31

NTSB CAROL · Event

Event DEN74FTC31

1974-04-16 CHEYENNE, Wyoming, United States Minor 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

AMER AVCO AA5 · N5474L

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

Personal/private

Airport

CHEYENNE MUNI

Kind of flying

B2

Weather at impact

Sky

CLEAR

Wind

220° / 9 kt

Temp

34° F

Aircraft history

Serial number

0000AA5-0374

Total time

443 hrs

Pilot

Certificate

Commercial — instrument

Total hours

285

Age

43

Investigator remarks

FROST ON WINGS,MIXTURE RICH,DENSITY ALT 6000 FT.

Cause factors

  • 64/C/21 C
    PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
  • 64/B/29 B
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
  • 64/B/16 B
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED
  • 82/K/W K
    WEATHER HIGH DENSITY ALTITUDE Joint factor
  • 88/K/74 K
    MISCELLANEOUS ACTS,CONDITIONS AIRFRAME ICE 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 0969. Source file NTSB_1974_3_0969.txt. Modern CAROL record on data.ntsb.gov ↗.