Atlas / NTSB / SEA78FTA05

NTSB CAROL · Event

Event SEA78FTA05

1977-11-12 BILLINGS, Montana, United States None 1 aircraft Status: Completed

Registry · N26106

FAA Aircraft Registry record.

Make / Model

GRUMMAN AMERICAN AA-5A

Year of manufacture

1977 · 0 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19770721

ADS-B equipped

Yes — Mode-S A2852B

Registrant of record

POLYMER DEPOT LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N26106 GRUM AMER AA5A 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

GRUM AMER AA5A · N26106

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

Personal/private

Airport

BILLINGS INTL

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

230° / 12 kt

Temp

52° F

Aircraft history

Serial number

000000000427

Total time

273 hrs

Pilot

Certificate

Commercial — instrument

Total hours

76

Age

27

Probable cause (from PRE1982.MDB)

PS,BEGAN TO DESCEND,LOWERED FLAPS.

Investigator remarks

PILOT TALKING TO PAX.GOT LOW ON FINAL.RAISED FLA

Cause factors

64/C/48 C
PILOT IN COMMAND MISJUDGED DISTANCE AND ALTITUDE Cause
64/C/08 C
PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Cause
64/B/71 B
PILOT IN COMMAND MISUSED OR FAILED TO USE FLAPS

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 3589. Source file NTSB_1977_3_3589.txt. Modern CAROL record on data.ntsb.gov ↗.

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