Atlas / NTSB / IAD78IA112

NTSB CAROL · Event

Event IAD78IA112

1978-09-19 WASHINGTON, District of Columbia, United States None 1 aircraft Status: Completed

Aircraft involved

N59911 Piper PA-31 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

PIPER PA-31 · N59911

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

B0

Operator type

E

Airport

NATIONAL AIRPORT

Kind of flying

CI

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

0031-7552033

Total time

2,905 hrs

Pilot

Certificate

DA (DA)

Total hours

3,800

Age

28

Probable cause (from PRE1982.MDB)

ED.RETRACTION ROD BROKE ALLOWING GR TO COLLAPSE.

Investigator remarks

NOSE WHEEL,CLEVELAND P/N 40-76B,BROKE.WHEEL COCK

Cause factors

70/A/CF A
AIRFRAME WHEELS,TIRES,AXLES Cause — pilot/personnel action
88/A/36 A
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause — pilot/personnel action

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 5 0027. Source file NTSB_1978_5_0027.txt. Modern CAROL record on data.ntsb.gov ↗.

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