Atlas / NTSB / DEN66F0173

NTSB CAROL · Event

Event DEN66F0173

1965-12-09 BROOMFIELD, Colorado, United States None 1 aircraft Status: Completed

Registry · N3447B

FAA Aircraft Registry record.

Make / Model

BEECH D35

Engine

CONT MOTOR E185 SERIES (205 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19551201

ADS-B equipped

Yes — Mode-S A3CF79

Registrant of record

MAHONEY CHRISTOPHER P

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N3447B BEECHCRAFT D35 None

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

BEECHCRAFT D35 · N3447B

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

JEFFERSON COUNTY

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

60° F

Aircraft history

Total time

4,800 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,500

Age

52

Cause factors

64/A/10 A
PILOT IN COMMAND FAILED TO EXTEND LANDING GEAR 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 3439. Source file NTSB_1965_3_3439.txt. Modern CAROL record on data.ntsb.gov ↗.

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