Atlas / NTSB / NYC78FNE01

NTSB CAROL · Event

Event NYC78FNE01

1977-12-24 STERLING, Massachusetts, United States None 1 aircraft Status: Completed

Registry · N9961U

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

19770407

ADS-B equipped

Yes — Mode-S ADEB7B

Registrant of record

AAM LEASING LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9961U GRUM AMER AA5-A 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 AA5-A · N9961U

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Operator type

Part 121 (air carrier)

Kind of flying

A0

Weather at impact

Sky

CLEAR

Wind

270° / 10 kt

Temp

40° F

Aircraft history

Serial number

000AA5A-0361

Total time

537 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

465

Age

24

Probable cause (from PRE1982.MDB)

ENG DID NOT RESPOND.

Investigator remarks

CLRD ENG ON BASE,AT 300FT WHEN THROTTLE ADVANCED

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
83/B/I B
TERRAIN HIGH OBSTRUCTIONS
88/L/85 L
MISCELLANEOUS ACTS,CONDITIONS SIMULATED CONDITIONS

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 3915. Source file NTSB_1977_3_3915.txt. Modern CAROL record on data.ntsb.gov ↗.

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