# NTSB investigations: Airframe/component/system failure/malfunction

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.

Page 40 of 79 · 3,929 cases

## Cases, newest first

- [NTSB LAX93LA120](https://openairdocs.org/ntsb/LAX93LA120.md): Bell 47G · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Feb 13, 1993 · N1185W · Substantial damage
  > The clutch slippage and failure of the pilot to jettison the load.
- [NTSB CHI93IA078](https://openairdocs.org/ntsb/CHI93IA078.md): Fokker F-28 MK 1000 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Jan 26, 1993 · N452US · No damage
  > Improper lubrication of the horizontal stabilizer gearbox by company maintenance personnel. A factor was the manufacturer's inadequate service procedure.
- [NTSB LAX93LA104](https://openairdocs.org/ntsb/LAX93LA104.md): Fairchild Hiller FH-1100 · Volcano Natl Pk, HI · Accident · 4 fatal · Limited investigation · Final report · Jan 25, 1993 · N427FH · Destroyed
  > A loss of tail rotor control for an undetermined reason(s). A factor which contributed to the accident was the pilot's choice of a hover altitude/position inadequate to reach a shoreline in the event of an emergency. A factor which contributed to the severity…
- [NTSB LAX93FA095](https://openairdocs.org/ntsb/LAX93FA095.md): Cessna 414 · Reno, NV · Accident · 2 fatal · Field investigation · Final report · Jan 15, 1993 · N4733G · Destroyed
  > The failure of the pilot to use pitot static system covers during icing conditions which resulted in a blocked pitot tube and subsequent loss of airspeed indications. This led to pilot disorientation and an invertant stall. Factors to the accident were…
- [NTSB ATL93LA050](https://openairdocs.org/ntsb/ATL93LA050.md): Piper PA-32R-301 · Goldsboro, NC · Accident · No injuries · Limited investigation · Final report · Jan 14, 1993 · N8409A · Substantial damage
  > The pilot's improper decision in attempting a night landing at an airport without operating runway lights which resulted in a touchdown off the runway. Factors which contributed to the accident were: an airplane lighting malfunction for an undetermined…
- [NTSB BFO93LA020](https://openairdocs.org/ntsb/BFO93LA020.md): Dornier DO-228-202 · Manchester, NH · Accident · No injuries · Limited investigation · Final report · Jan 10, 1993 · N245RP · Substantial damage
  > Incorrect installation of the seals in the nose gear assembly, which prevented the nose gear from locking in the down position.
- [NTSB CHI93IA069](https://openairdocs.org/ntsb/CHI93IA069.md): de Havilland DHC-8-311 · Savoy, IL · Incident · No injuries · Incident investigation · Final report · Jan 9, 1993 · N433AW · Minor damage
  > The total failure of the inboard right main landing gear wheel axle during the initial climb.
- [NTSB ATL93LA049](https://openairdocs.org/ntsb/ATL93LA049.md): Piper PA-30 · Crossville, TN · Accident · No injuries · Limited investigation · Final report · Jan 2, 1993 · N7712Y · Substantial damage
  > The pilot's failure to follow checklist procedures in that he did not utilize the alternate gear extension method when electrical power was lost. A factor was his failure to follow the checklist when he failed to turn on the generators prior to flight, which…
- [NTSB CHI93IA060](https://openairdocs.org/ntsb/CHI93IA060.md): Beech B90 · Sioux Falls, SD · Incident · No injuries · Incident investigation · Final report · Dec 29, 1992 · N31SV · Minor damage
  > The pilot-in-command's inadequate preflight.
- [NTSB SEA93LA045](https://openairdocs.org/ntsb/SEA93LA045.md): Croy KR-2M · Gillette, WY · Accident · No injuries · Limited investigation · Final report · Dec 25, 1992 · N302DC · Substantial damage
  > Jamming of the nose landing gear door opening mechanism and the pilot in command's excessive descent rate upon touchdown.
- [NTSB SEA93LA038](https://openairdocs.org/ntsb/SEA93LA038.md): Bellanca 7GCBC · Arco, ID · Accident · No injuries · Limited investigation · Final report · Dec 13, 1992 · N57659 · Substantial damage
  > A leaking crankshaft oil seal, and snow on the landing area.
- [NTSB ANC93LA021](https://openairdocs.org/ntsb/ANC93LA021.md): Piper PA-18 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Dec 13, 1992 · N1954P · Substantial damage
  > The total loss of engine power due to a short in the voltage regulator, and the lack of suitable terrain for the pilot to make the forced landing on.
- [NTSB CHI93FA050](https://openairdocs.org/ntsb/CHI93FA050.md): Cessna 177B · Kansas City, MO · Accident · 1 fatal · Field investigation · Final report · Dec 7, 1992 · N11889 · Destroyed
  > The pilot-in-command's failure to maintain a positive rate of climb during a missed approach. Factors which contributed to the accident were: inoperative gyro instruments due to a broken vacuum pump, the dark night, adverse weather conditions, and rising…
- [NTSB SEA93FA032](https://openairdocs.org/ntsb/SEA93FA032.md): Cessna 152 · Marysville, WA · Accident · 1 fatal · Field investigation · Final report · Dec 6, 1992 · N69260 · Destroyed
  > The design stress limits of the airframe were exceeded by the student pilot.
- [NTSB LAX93LA058](https://openairdocs.org/ntsb/LAX93LA058.md): Robinson R-22 Beta · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Dec 3, 1992 · N80142 · Substantial damage
  > The pilot's inadequate preflight. Contributing to this accident was the separation of the fuel cap, tail rotor blade balance weight, tail rotor gear box, and the vertical fin.
- [NTSB FTW93LA047](https://openairdocs.org/ntsb/FTW93LA047.md): Hiller UH12B · Justin, TX · Accident · No injuries · Limited investigation · Final report · Dec 2, 1992 · N1048P · Substantial damage
  > Failure of the main rotor system for undetermined reasons. A factor was the lack of suitable terrain at the pilot's disposal.
- [NTSB CHI93GA046](https://openairdocs.org/ntsb/CHI93GA046.md): Schweizer 269C · Kansas City, MO · Accident · 2 fatal · Final report · Dec 2, 1992 · N640KC · Destroyed
  > The pilot-in-command's misjudging the distance during the autorotation.
- [NTSB MIA93LA022](https://openairdocs.org/ntsb/MIA93LA022.md): Mason, Jack A. Velocity · Crystal River, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 25, 1992 · N157JM · Substantial damage
  > Failure of an unknown individual to determine that the propeller was properly secured after removal of the propeller spinner, resulting in separation of one of the propeller blades during cruise flight. Contributing to the accident was unsuitable terrain…
- [NTSB MIA93LA039](https://openairdocs.org/ntsb/MIA93LA039.md): Piper PA-32-301 · Dorado, PR · Accident · No injuries · Limited investigation · Final report · Nov 16, 1992 · N1310M · Substantial damage
  > Poor in flight planning decision by the pilot in command. Contributing to the accident was the partial blockage of the pitot static system and incorrect airspeed indicator.
- [NTSB LAX93LA044](https://openairdocs.org/ntsb/LAX93LA044.md): Hughes 369D · Carlsbad, CA · Accident · No injuries · Limited investigation · Final report · Nov 16, 1992 · N220AL · Substantial damage
  > Failure of the overrunning clutch assembly bearing for undetermined reasons.
- [NTSB LAX93FA033](https://openairdocs.org/ntsb/LAX93FA033.md): Sabreliner N-265-60 · Phoenix, AZ · Accident · No injuries · Field investigation · Final report · Nov 8, 1992 · N169RF · Destroyed
  > The delay of the PIC to apply normal braking and his failure to execute the appropriate emergency procedures. Contributing to this accident was an undetermined antiskid malfunction; the copilot's inexperience in the aircraft; and inadequate crew coordination.
- [NTSB LAX93IA029](https://openairdocs.org/ntsb/LAX93IA029.md): Piper PA-31T-620 · Medford, OR · Incident · No injuries · Incident investigation · Final report · Nov 5, 1992 · N131AF · No damage
  > Fatigue failure of the elevator control tube rod end bearing resulting in a loss of elevator control.
- [NTSB SEA93LA019](https://openairdocs.org/ntsb/SEA93LA019.md): Beech A35 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1992 · N8501A · Substantial damage
  > Design stress limits of the aircraft were exceeded.
- [NTSB CHI93LA015](https://openairdocs.org/ntsb/CHI93LA015.md): Beech K35 · Scott City, KS · Accident · No injuries · Limited investigation · Final report · Oct 25, 1992 · N3074C · Substantial damage
  > Failure of the alternator and the pilot's inadvertent descent.
- [NTSB LAX93LA017](https://openairdocs.org/ntsb/LAX93LA017.md): Pasporello, J.F. RV-3 · Lompoc, CA · Accident · 1 fatal · Limited investigation · Final report · Oct 23, 1992 · N65JP · Destroyed
  > The failure of an unidentified airframe or component system for unknown reasons and the resulting inflight fire.
- [NTSB DEN93LA006](https://openairdocs.org/ntsb/DEN93LA006.md): Bellanca 17-30A · Grand Junction, CO · Accident · No injuries · Limited investigation · Final report · Oct 18, 1992 · N14695 · Substantial damage
  > Fatigue failure of the nose landing gear upper drag strut bracket due to fatigue cracking.
- [NTSB ATL93LA013](https://openairdocs.org/ntsb/ATL93LA013.md): Patrick F. Bowers Corbin JR. ACE E · Woodstock, GA · Accident · No injuries · Limited investigation · Final report · Oct 18, 1992 · N110PB · Substantial damage
  > The separation of the propeller from the aircraft.
- [NTSB DEN93IA005](https://openairdocs.org/ntsb/DEN93IA005.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 13, 1992 · N72822 · Minor damage
  > An inadvertent attempt, by unknown persons, to start the APU which had been placarded as inoperative. Factors were: inadequate procedures in rendering the APU incapable of being started when inoperative.
- [NTSB FTW93LA007](https://openairdocs.org/ntsb/FTW93LA007.md): Cessna 210G · Little Rock, AR · Accident · No injuries · Limited investigation · Final report · Oct 7, 1992 · N37SC · Substantial damage
  > The partial failure of the landing gear retraction/extension assembly from restricted hydraulic fluid movement through a partially failed main landing gear uplock release valve.
- [NTSB SEA93FA002](https://openairdocs.org/ntsb/SEA93FA002.md): Beech N35 · Burlington, WA · Accident · 4 fatal · Field investigation · Final report · Oct 2, 1992 · N885R · Destroyed
  > The failure of screws on the propeller hub during takeoff, the improper inflight decision by the pilot to return for landing, and the steep, excessive bank angle which resulted in a stall/spin and loss of control.
- [NTSB FTW93FA002](https://openairdocs.org/ntsb/FTW93FA002.md): Clatanoff Rotorway Exec · Wimberley, TX · Accident · 1 fatal · Field investigation · Final report · Oct 2, 1992 · N41KC · Destroyed
  > The delamination of the skin on a main rotor blade.
- [NTSB BFO92LA154](https://openairdocs.org/ntsb/BFO92LA154.md): Cessna 305A · Waynesville, OH · Accident · No injuries · Limited investigation · Final report · Sep 27, 1992 · N5074Y · Substantial damage
  > The chaffing of a landing gear brake line which caused the loss of hydraulic fluid and subsequent loss of braking action.
- [NTSB LAX92LA400](https://openairdocs.org/ntsb/LAX92LA400.md): Schleicher ASW-20 · Middletown, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 26, 1992 · N789E · Destroyed
  > The pilot's failure to connect the elevator control during assembly and failure to perform an adequate aircraft preflight check. Contributing to the accident was the pilots distraction by performing other tasks during the assembly procedure.
- [NTSB BFO92FA144](https://openairdocs.org/ntsb/BFO92FA144.md): Hughes 269C · East Bernstadt, KY · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1992 · N9609F · Destroyed
  > Inadequate maintenance inspection involving failure to detect wear of the clutch spring assembly, resulting in the uncoupling of engine power to the main transmission.
- [NTSB BFO92LA143](https://openairdocs.org/ntsb/BFO92LA143.md): Grumman AA-1A · Bedford, MA · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 1992 · N6445L · Substantial damage
  > Inadequate maintenance inspection which failed to reveal a deteriorated rudder cable which subsequently failed and caused loss of directional control.
- [NTSB MIA92LA189](https://openairdocs.org/ntsb/MIA92LA189.md): Cessna 210L · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Sep 21, 1992 · N2013S · Substantial damage
  > Undetected chaffing and grounding of a wire to the nose landing gear squat switch which resulted in the landing gear being signalled at all times for gear up when electrical power was applied to the system. Contributing to the accident was the overheating of…
- [NTSB MIA92LA188](https://openairdocs.org/ntsb/MIA92LA188.md): Cessna 210L · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Sep 21, 1992 · N777BK · Substantial damage
  > Failure of the right main landing gear actuator due to overstress for undetermined reasons which resulted in loss of all landing gear system hydraulic fluid which in turn resulted in the pilot being unable to extend and lock the landing gear.
- [NTSB FTW92LA230](https://openairdocs.org/ntsb/FTW92LA230.md): Cessna 172P · Fulshear, TX · Accident · No injuries · Limited investigation · Final report · Sep 21, 1992 · N97489 · Substantial damage
  > The pilot's failure to attain the proper point of touchdown. Factors were the popped circuit breaker, the inoperative alternator, and the darkness of the night.
- [NTSB BFO92IA145](https://openairdocs.org/ntsb/BFO92IA145.md): Lockheed L1011-385 · Boston, MA · Incident · No injuries · Incident investigation · Final report · Sep 20, 1992 · N786DL · Minor damage
  > Inadequate lubrication which caused stress corrosion cracking and the separation of the right wing number two flap vane.
- [NTSB FTW92GA227](https://openairdocs.org/ntsb/FTW92GA227.md): Cessna T210L · Spring, TX · Accident · No injuries · Final report · Sep 19, 1992 · N732JF · Substantial damage
  > The pilot under instruction failure to follow the landing checklist and the instructor pilot's inadequate supervision. A factor was the overheated landing gear motor.
- [NTSB FTW92LA225](https://openairdocs.org/ntsb/FTW92LA225.md): Cessna 172I · Victoria, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 1992 · N46084 · Substantial damage
  > Blocked engine assembly breather tube and the pilot's continued operation with known maintenance discrepancies. Factors were oil on windsheild and reduced visibility due to oil on the windscreen..
- [NTSB MIA92LA181](https://openairdocs.org/ntsb/MIA92LA181.md): Aero Commander 100 · Panacea, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 15, 1992 · N3791X · Substantial damage
  > Failure of the nose landing gear push/pull rod end bearing for undetermined reasons.
- [NTSB CHI92DEC04](https://openairdocs.org/ntsb/CHI92DEC04.md): Tennessee Engineering & Manf Z-MAX · Manchester, MI · Accident · Serious injuries · Final report · Sep 13, 1992 · UNREG · Destroyed
  > An inadequate design of the rudder control system by the pilot/builder of the airplane, a pullup performed by the pilot, and a total failure of the rudder flight control system.
- [NTSB ANC92FA164](https://openairdocs.org/ntsb/ANC92FA164.md): Mcdonnell Douglas 369D · Eagle, AK · Accident · 3 fatal · Field investigation · Final report · Sep 11, 1992 · N1096X · Destroyed
  > An inflight fatigue failure and separation of a main rotor blade, inadequate operator maintenance and inspection, and material defect.
- [NTSB MIA92LA179](https://openairdocs.org/ntsb/MIA92LA179.md): Air Tractor AT-301 · Satartia, MS · Accident · No injuries · Limited investigation · Final report · Sep 10, 1992 · N4333S · Substantial damage
  > Failure of the brake system due to installation of a bogus part by an unknown person. Directional control by the pilot in command was not possible.
- [NTSB ANC92FA159](https://openairdocs.org/ntsb/ANC92FA159.md): Hughes 369D · Nunavaugaluk Lk, AK · Accident · Serious injuries · Field investigation · Final report · Sep 9, 1992 · N8697F · Substantial damage
  > The separation of the tail rotor abrasion strip and the subsequent total loss of the tail rotor. Factors contributing to the accident were: insufficient manufacturer's maintenance design changes, inadequate aircraft equipment design by the manufacturer and…
- [NTSB CHI92FA267](https://openairdocs.org/ntsb/CHI92FA267.md): Piper PA-61-601P · Aurora, IN · Accident · 1 fatal · Field investigation · Final report · Sep 8, 1992 · N717BB · Destroyed
  > Exceeding the design stress limits of the airplane by the pilot in command.
- [NTSB ANC92LA175](https://openairdocs.org/ntsb/ANC92LA175.md): Aeronca 15AC · Ptarmigan Pass, AK · Accident · No injuries · Limited investigation · Final report · Sep 8, 1992 · N1009H · Substantial damage
  > The partial failure of the normal brake system, the misjudging of the proper touchdown point and the attempted go around. Factor was the rough and uneven landing area.
- [NTSB MIA92LA177](https://openairdocs.org/ntsb/MIA92LA177.md): Cessna A150K · Palatka, FL · Accident · No injuries · Limited investigation · Final report · Sep 7, 1992 · N8367M · Substantial damage
  > The pilot in command's failure to maintain airspeed while performing a go around resulting in the aircraft stalling and descending uncontrolled to the ground.
- [NTSB BFO92LA129](https://openairdocs.org/ntsb/BFO92LA129.md): Piper PA-30K · Schaghticoke, NY · Accident · Serious injuries · Limited investigation · Final report · Sep 7, 1992 · N400RD · Substantial damage
  > The loss of total engine power due to fuel starvation. Contributing to the accident was the loss of total electrical power.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=41

## 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 c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&page=40

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.