Atlas / NTSB / IAD75AIG18

NTSB CAROL · Event

Event IAD75AIG18

1975-04-27 STEVENSVILLE, Maryland, United States None 1 aircraft Status: Completed

Registry · N6429L

FAA Aircraft Registry record.

Make / Model

AMERICAN AVIATION AA-1A

Year of manufacture

1972 · 3 years old at event

Engine

LYCOMING 0-235 SERIES (115 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19720621

ADS-B equipped

Yes — Mode-S A87047

Registrant of record

MCPHERSON JOSHUA R

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N6429L GRUM AMER AA1-B 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 AA1-B · N6429L

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

A3

Weather at impact

Sky

OVERCAST

Wind

340° / 10 kt

Temp

60° F

Aircraft history

Serial number

000000000429

Total time

1,605 hrs

Pilot

Certificate

Airline transport

Total hours

47

Age

21

Probable cause (from PRE1982.MDB)

ESHOLD.GR COLLAPSED DRG LDG AT BALT-WASH INTL.

Investigator remarks

L GR HIT TREE STUMP ABT 15IN HI APRX 20FT FM THR

Cause factors

64/C/48 C
PILOT IN COMMAND MISJUDGED DISTANCE AND ALTITUDE Cause
64/B/07 B
PILOT IN COMMAND DELAYED IN INITIATING GO-AROUND
80/K/BY K
AIRPORTS/AIRWAYS/FACILITIES OTHER 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 0777. Source file NTSB_1975_3_0777.txt. Modern CAROL record on data.ntsb.gov ↗.

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