NTSB CAROL · Event
Event FTW80FRD16
Registry · N71AL
FAA Aircraft Registry record.
Make / Model
LEARJET INC 31A
Engine
GARRETT TFE731 SERIES
Seats / Engines
10 seats · 2 engines
Last airworthiness date
19911117
ADS-B equipped
Yes — Mode-S A979BF
Registrant of record
BASTILLE ENERGY CORP
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
BELL 212 · N71AL
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
E
Weather
VMC
Phase of flight
D0
Operator type
E
Airport
HOUMA TERREBONNE
Kind of flying
DB
Weather at impact
Sky
CLEAR
Wind
350° / 8 kt
Aircraft history
Serial number
000000030664
Total time
7,197 hrs
Pilot
Certificate
DA (DA)
Total hours
5,608
Age
33
Probable cause (from PRE1982.MDB)
N 212-040-003-011.CRASHED IN SWAMP.
Investigator remarks
INPUT QUILL COUPLING NOT CORRECT P/N FOR ASSY P/
Cause factors
- 68/C/D0 C PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
- 78/C/BH C ROTORCRAFT TAIL ROTOR GEAR BOX Cause
- 88/C/46 C MISCELLANEOUS ACTS,CONDITIONS WRONG PART Cause
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 0167.
Source file
NTSB_1980_3_0167.txt.
Modern CAROL record on
data.ntsb.gov ↗.
Beyond the agency record
Search this event elsewhere.
Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.
Entity-clustered aviation events in the press — last 24 hr + 30-day archive.
Official agency record + docket.
Investigative docket: factual reports, photos, transcripts.
Long-running aviation incident database (Flight Safety Foundation).
Community NTSB synthesis blog — often has photos and witness reports.
Gold-standard aviation incident blog.
Aviation industry news search.
GA pilot forum — informed but rumor-prone.
GA pilot subreddit search.
Tail-number page — flight history (free tier limited).
AOPA Air Safety Institute search.
Mainstream press coverage. Recent events only.
Privacy-preserving news search.
External links open in a new tab. We don't ingest their content; we deep-link search queries.
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 2025 · Journal article (IJAAA)
Invisible Aircraft in U.S. Airspace: Regulatory Gaps and Mid-Air Collision Risk for Part 121 Operators
Scheduled air carrier aircraft operate at large and small commercial airports across the U.S. National Airspace System. These turbine-powered aircraft fly at high speeds during departure and approach,…
- NASA NTRS 2019 · Conference Paper
Fatigue crack propagation in aluminum-lithium alloys
The principal mechanisms which govern the fatigue crack propagation resistance of aluminum-lithium alloys are investigated, with emphasis on their behavior in controlled gaseous and aqueous environmen…
Browse the full corpus — academia portal ↗