# NTSB investigations, 1999: Wheels up landing

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB NYC00LA046](https://openairdocs.org/ntsb/NYC00LA046.md): Cessna 210L · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Dec 4, 1999 · N1773X · Substantial damage
  > The pilot's failure to verify landing gear extension. Factors were the unreliable retraction/extension assembly, and the flying club's continued operation of the airplane with known deficiencies in the equipment.
- [NTSB MIA00LA034](https://openairdocs.org/ntsb/MIA00LA034.md): Cessna 182RG · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Nov 30, 1999 · N1818R · Substantial damage
  > The pilot's failure to complete the before landing checklist and extend the landing gear, resulting in a gear up landing. A factor in the accident is the failure of the landing gear warning circuit to activate the cockpit warning horn.
- [NTSB CHI00LA029](https://openairdocs.org/ntsb/CHI00LA029.md): Piper PA-31-350 · Romulus, MI · Accident · No injuries · Limited investigation · Final report · Nov 15, 1999 · N4UE · Substantial damage
  > the inadvertent wheels-up landing by the pilot.
- [NTSB SEA00LA011](https://openairdocs.org/ntsb/SEA00LA011.md): Beech A36TC · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Oct 29, 1999 · N3822K · Substantial damage
  > The pilot's failure to extend the landing gear. Factors include a blocked view of the landing gear light indicating system.
- [NTSB FTW00LA018](https://openairdocs.org/ntsb/FTW00LA018.md): Piper PA-24-250 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Oct 22, 1999 · N6774P · Substantial damage
  > The failure of the pilot to follow the landing checklist and verify that the landing gear was down and locked, which resulted in a wheels up landing. A factor was the failure of the landing gear locking mechanism for an undetermined reason.
- [NTSB CHI99LA315](https://openairdocs.org/ntsb/CHI99LA315.md): Piper PA-24-180 · Eden Prairie, MN · Accident · No injuries · Limited investigation · Final report · Aug 30, 1999 · N6606P · Substantial damage
  > the failure of the pilot to follow the landing checklist and his failure to extend the landing gear.
- [NTSB LAX99LA278](https://openairdocs.org/ntsb/LAX99LA278.md): Cessna TR182 · S. Lake Tahoe, CA · Accident · No injuries · Limited investigation · Final report · Aug 21, 1999 · N4809R · Substantial damage
  > The pilot's failure to verify the landing gear was in the extended position. A factor in the accident was gear warning system's unresolved discrepancies.
- [NTSB DEN99LA151](https://openairdocs.org/ntsb/DEN99LA151.md): Bellanca 17-30A · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Aug 18, 1999 · N4148B · Destroyed
  > The pilot's failure to follow published procedures in operating the aircraft. A factor was partial failure of the electrical system.
- [NTSB FTW99FA223](https://openairdocs.org/ntsb/FTW99FA223.md): Swearingen SA-227-AC · San Antonio, TX · Accident · No injuries · Field investigation · Final report · Aug 16, 1999 · N2671V · Substantial damage
  > The instructor pilot's failure to complete the Emergency Gear Extension Checklist, resulting in the inadvertent wheels-up landing. A factor was the instructor pilot's fatigued condition.
- [NTSB DEN99LA127](https://openairdocs.org/ntsb/DEN99LA127.md): Cessna T210F · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Jul 23, 1999 · N6726R · Destroyed
  > The pilot's inadvertent wheels up landing.
- [NTSB ANC99LA085](https://openairdocs.org/ntsb/ANC99LA085.md): Cessna 177RG · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jul 6, 1999 · N45367 · Substantial damage
  > The pilot's failure to extend the airplane landing gear. A factor in the accident was an interference with the pilot's habit pattern.
- [NTSB CHI99LA206](https://openairdocs.org/ntsb/CHI99LA206.md): Beech 58 · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Jul 2, 1999 · N3240R · Substantial damage
  > the landing gear extension not performed by the pilot. A contributing factor was the checklist not followed by the pilot.
- [NTSB MIA99LA175](https://openairdocs.org/ntsb/MIA99LA175.md): Piper PA-24 · Fort Myers, FL · Accident · No injuries · Limited investigation · Final report · Jun 11, 1999 · N5238P · Substantial damage
  > The pilot's failure to verify that the retractable landing gear were down and locked for landing.
- [NTSB SEA99LA083](https://openairdocs.org/ntsb/SEA99LA083.md): Piper PA-24-250 · Plentywood, MT · Accident · No injuries · Limited investigation · Final report · Jun 9, 1999 · N5309P · Substantial damage
  > The pilot's failure to ensure that the landing gear were properly down and locked for landing.
- [NTSB CHI99LA173](https://openairdocs.org/ntsb/CHI99LA173.md): Aero Commander 500 · Effingham, IL · Accident · No injuries · Limited investigation · Final report · Jun 4, 1999 · N711NE · Substantial damage
  > inadvertent wheels-up landing and the checklist not followed by the pilot. The landing gear lever not engaged was an additional cause.
- [NTSB ATL99LA086](https://openairdocs.org/ntsb/ATL99LA086.md): Beech BE-100 · Hickory, NC · Accident · No injuries · Limited investigation · Final report · May 14, 1999 · N924RM · Substantial damage
  > The failure of the landing gear actuator due to the improper installation of the lower thrust bearing by maintenance personnel.
- [NTSB LAX99LA130](https://openairdocs.org/ntsb/LAX99LA130.md): Beech 58 · Atwater, CA · Accident · No injuries · Limited investigation · Final report · Mar 23, 1999 · N6BY · Substantial damage
  > the failure of the student to extend the landing gear and the flight instructor's inadequate supervision of the flight.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE year(c."eventDate") = 1999
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 232)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=232&year=1999

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