NTSB CAROL · Event
Event UNK64X0725
Registry · N1133C
FAA Aircraft Registry record.
Make / Model
HUGHES 369HS
Year of manufacture
1974
TCDS
H3WE · MD HELICOPTERS INC (MDHI)
Engine
ALLISON 250 SER 400HP (400 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19741029
ADS-B equipped
Yes — Mode-S A03A1C
Registrant of record
SARA HELICOPTERS INC
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
AERO COMM 560E · N1133C
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
IMC
Phase of flight
B0
Operator type
Business
Kind of flying
B3
Pilot
Certificate
DA (DA)
Total hours
6,000
Age
31
Investigator remarks
TAXIED ACROSS SNOW-COVERED CONSTRUCTION AREA.
Cause factors
- 64/C/35 C PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause
- 80/C/BE C AIRPORTS/AIRWAYS/FACILITIES UNMARKED OBSTRUCTIONS Cause
- 88/K/94 K MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 0488.
Source file
NTSB_1964_3_0488.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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