Skip to content

Atlas / NTSB / IAD75AI027

NTSB CAROL · Event

Event IAD75AI027

1974-11-03 FREDRICK, Maryland, United States Fatal 1 aircraft Status: Completed

Registry · N301H

FAA Aircraft Registry record.

Make / Model

LANCAIR LANCAIR IV

Year of manufacture

1999

Engine

CONT MOTOR IO-550 SERIES (300 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

20000226

ADS-B equipped

Yes — Mode-S A323B8

Registrant of record

LNC4 MCX1 LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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

GLASFLUGEL H301B · N301H

Damage

Destroyed

Craft type

C

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D2

Operator type

D

Airport

FREDRICK MUNI

Kind of flying

B0

Weather at impact

Sky

SCATTERED-BELOW 1000 FEET

Aircraft history

Serial number

000000000066

Total time

620 hrs

Pilot

Certificate

Commercial — instrument

Total hours

93

Age

31

Investigator remarks

R WING FAILED WHERE WING SPAR ENTERS FUSELAGE.

Cause factors

  • 64/A/31 A
    PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT Cause — pilot/personnel action
  • 64/A/09 A
    PILOT IN COMMAND EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT Cause — pilot/personnel action
  • 70/A/AA A
    AIRFRAME SPARS Cause — pilot/personnel action
  • 88/A/94 A
    MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Cause — pilot/personnel action
  • 88/J/49 J
    MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT Joint cause
  • 88/1/AW 1
    MISCELLANEOUS ACTS,CONDITIONS FEMALE PILOT Subordinate · 1

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 3499. Source file NTSB_1974_3_3499.txt. Modern CAROL record on data.ntsb.gov ↗.