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Atlas / NTSB / DEN77DTC04

NTSB CAROL · Event

Event DEN77DTC04

1976-12-17 ROCK SPRINGS, Wyoming, United States None 1 aircraft Status: Completed

Registry · N3277M

FAA Aircraft Registry record.

Make / Model

PIPER PA-12

Year of manufacture

1947 · 29 years old at event

Engine

LYCOMING IO-320 SERIES (150 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19550825

ADS-B equipped

Yes — Mode-S A38BAA

Registrant of record

SMITH TIM K

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-12 · N3277M

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

D

Kind of flying

DK

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

0000012-2134

Total time

2,507 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

2,528

Age

34

Cause factors

  • 64/A/08 A
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Cause — pilot/personnel action
  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED 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 3767. Source file NTSB_1976_3_3767.txt. Modern CAROL record on data.ntsb.gov ↗.