Atlas / NTSB / DEN75FQA22

NTSB CAROL · Event

Event DEN75FQA22

1974-12-17 ALBUQUERQUE, New Mexico, United States None 1 aircraft Status: Completed

Registry · N9383L

FAA Aircraft Registry record.

Make / Model

AMERICAN AVIATION AA-1A

Year of manufacture

1971 · 3 years old at event

Engine

LYCOMING 0-235 SERIES (115 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19710430

ADS-B equipped

Yes — Mode-S AD062D

Registrant of record

GRUBBS MARK A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9383L AMER AVCO AA-1A 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

AMER AVCO AA-1A · N9383L

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Airport

CORONADO

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

25° F

Aircraft history

Serial number

000AA1A-0083

Total time

1,020 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

8,000

Age

43

Investigator remarks

PILOT APPLD CARB HEAT MOMENTARILY BFOR TKOF.

Cause factors

64/C/21 C
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
88/C/72 C
MISCELLANEOUS ACTS,CONDITIONS ICE-CARBURETOR Cause
88/C/02 C
MISCELLANEOUS ACTS,CONDITIONS ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE Cause
83/B/F B
TERRAIN ROUGH/UNEVEN
64/L/31 L
PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT
82/L/G L
WEATHER CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING

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 3670. Source file NTSB_1974_3_3670.txt. Modern CAROL record on data.ntsb.gov ↗.

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