Atlas / NTSB / DEN77FQA35

NTSB CAROL · Event

Event DEN77FQA35

1977-05-12 CUBA, New Mexico, United States None 1 aircraft Status: Completed

Registry · N121R

FAA Aircraft Registry record.

Make / Model

BOEING PT-13D

Year of manufacture

1943 · 34 years old at event

Engine

P&W R1340 SERIES (600 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19790418

ADS-B equipped

Yes — Mode-S A058E0

Registrant of record

HERZOG CONTRACTING CORP

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N121R Stearman E75 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

STEARMAN E75 · N121R

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Y

Kind of flying

DY

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Temp

55° F

Aircraft history

Serial number

0000075-5510

Total time

2,035 hrs

Pilot

Certificate

Commercial

Total hours

6,140

Age

45

Probable cause (from PRE1982.MDB)

TO AVOID COLLISION WITH AUTO THAT STOPPED.

Investigator remarks

ENROUTE TO AIRSHOW.LANDED ON ROAD.WENT OFF ROAD

Cause factors

64/C/21 C
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
88/C/02 C
MISCELLANEOUS ACTS,CONDITIONS ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE Cause
88/C/72 C
MISCELLANEOUS ACTS,CONDITIONS ICE-CARBURETOR Cause
84/B/7 B
MISCELLANEOUS EVASIVE MANEUVER TO AVOID COLLISION
82/L/G L
WEATHER CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 0895. Source file NTSB_1977_3_0895.txt. Modern CAROL record on data.ntsb.gov ↗.

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