NTSB CAROL · Event
Event IAD75II053
Registry · N133AE
FAA Aircraft Registry record.
Make / Model
BELL HELICOPTER TEXTRON 206L-1
Year of manufacture
1979
TCDS
H2SW · BELL HELICOPTER TEXTRON CANADA LTD
Engine
ALLISON 250 SER 400HP (400 hp)
Seats / Engines
7 seats · 1 engine
Last airworthiness date
19790806
ADS-B equipped
Yes — Mode-S A0865B
Registrant of record
AIR EVAC EMS 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
BEECH 99 · N133AE
Damage
Minor
Craft type
Airplane
Classification
C
Light condition
Day
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
E
Airport
NATIONAL
Kind of flying
CI
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
00000000U133
Total time
9,252 hrs
Pilot
Certificate
GA (GA)
Total hours
4,220
Age
28
Probable cause (from PRE1982.MDB)
FASTENERS NOT FULLY CLOSED COULD VIBRATE OPEN.
Investigator remarks
LOSS OF OBJECT WHILE AIRBORNE.WHEN R CARGO DOOR
Cause factors
- 64/A/29 A PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
- 88/A/29 A MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY SECURED 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 0007.
Source file
NTSB_1975_5_0007.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2022 · Journal article (JAAER)
A Panel Study of Outsourced Maintenance Impact on Major U.S. Passenger Airlines' Profitability (1995-2019)
This study investigates eight viable United States major passenger airlines' outsourced maintenance impact on profitability between 1995 and 2019 by using panel data analysis.
- NASA NTRS 2019 · Conference Publication (CP)
The 1991 International Conference on Aging Aircraft and Structural Airworthiness
Civil aviation serves a strategic interest to the United States. Thus, the need to maintain a high standard of aviation safety is axiomatic.
- NASA NTRS 2019 · Abstract
U.S. Civil Rotorcraft Accidents, 1963 through 1997
The U.S. National Transportation Safety Board (NTSB) has recorded 8,436 rotorcraft accidents during the period mid - 1963 through the end of 1997.
- NASA NTRS 2019 · Technical Memorandum (TM)
U.S. Civil Rotorcraft Accidents, 1963 Through 1997
Narrative summary data produced by the U.S. National Transportation Safety Board (NTSB) has been obtained and analyzed for all 8,436 U.S.
- NASA NTRS 2019 · Technical Memorandum (TM)
An Analysis of U.S. Civil Rotorcraft Accidents by Cost and Injury (1990-1996)
A study of rotorcraft accidents was conducted to identify safety issues and research areas that might lead to a reduction in rotorcraft accidents and fatalities.
- NASA NTRS 2019 · Conference Paper
Analysis of Convair 990 rejected-takeoff accident with emphasis on decision making, training and procedures
This paper analyzes a NASA Convair 990 (CV-990) accident with emphasis on rejected-takeoff (RTO) decision making, training, procedures, and accident statistics.
Browse the full corpus — academia portal ↗