Atlas / NTSB / IAD71AI035

NTSB CAROL · Event

Event IAD71AI035

1971-01-22 SANDSTON, Virginia, United States Minor 1 aircraft Status: Completed

Aircraft involved

N1172U Sikorsky S-58E Minor

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

SIKORSKY S-58E · N1172U

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Night

Weather

VMC

Phase of flight

D1

Operator type

K

Airport

BYRD FIELD

Kind of flying

B2

Weather at impact

Sky

OVERCAST

Wind

140° / 5 kt

Temp

47° F

Aircraft history

Serial number

000000581122

Total time

8 hrs

Pilot

Certificate

Commercial

Total hours

4,434

Age

36

Probable cause (from PRE1982.MDB)

HR,USED 750LB.CONTD FLT AFT FUEL WARN LITE CAME ON

Investigator remarks

EXPERIMENTAL CERT.FUEL CONSUMPTN ESTD 600LB PER

Cause factors

64/C/29 C
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause
64/C/27 C
PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause
64/C/32 C
PILOT IN COMMAND MISMANAGEMENT OF FUEL Cause
88/C/23 C
MISCELLANEOUS ACTS,CONDITIONS MISCALCULATED FUEL CONSUMPTION Cause
88/C/63 C
MISCELLANEOUS ACTS,CONDITIONS FUEL EXHAUSTION Cause
83/B/I B
TERRAIN HIGH OBSTRUCTIONS

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 0013. Source file NTSB_1971_3_0013.txt. Modern CAROL record on data.ntsb.gov ↗.

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