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LAX89LA055 · Air & Space 18A

21 Nov 1988 · Palo Alto, CA, United States

Air & Space 18A · Accident: loss of control on ground/water during landing

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Event

NTSB case
LAX89LA055
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Completed
API-reported fatalities
0 · all aircraft and ground
Ground fatalities
0
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
General aviation
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Visual Meteorological Cond

Air & Space 18A

Aircraft type
Air Space 18
Category
Gyroplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N6113S
Operator
Rienhard, Joesph · private individual
Onboard fatalities
Unknown
Route
From not recordedTo not recorded
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 91: General Aviation
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Landing · landing roll
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
Loss of control on ground/water
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Substantial

Cause areas

  • Landing gear, nose gear assembly › Cracked
  • Landing gear, nose gear strut › Locked

Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.

NTSB narrative

THE PILOT STATED THAT HE LOST DIRECTIONAL CONTROL OF THE GYROPLANE DURING THE LANDING ROLL, DEPARTED THE RWY AND NOSED OVER. THE GYROPLANE TOUCHED DOWN NORMALLY ON THE MAIN LANDING GEAR AT AN INDICATED AIRSPEED OF ABOUT 20 MPH. AS THE GYROPLANE SLOWED FURTHER, THE NOSE WHEEL TOUCHED DOWN ON THE RUNWAY AND TRACKED THE CENTERLINE FOR ABOUT TEN FEET THEN VEERED TO THE LEFT. THE PILOT STATED THAT HE ATTEMPTED TO CORRECT THE GYROPLANE'S GROUND TRACK BY APPLYING THE RIGHT RUDDER AND BRAKE, BUT THE GYROPLANE CONTINUED TO TIGHTEN IN THE LEFT TURN. INSPECTION OF THE NOSE GEAR ASSEMBLY REVEALED A CRACK IN THE NOSE WHEEL SHIMMY DAMPER UPPER PHENOLIC COLLAR. THE CRACK IN THE COLLAR RESULTED IN THE NOSE WHEEL STRUT BECOMING LOCKED AND NOT ALLOWING NOSE WHEEL STEERING.

Verbatim NTSB analysis from the NTSB dataset

Sources

NTSB record LAX89LA055
Event ID
20001213X27288
Case number
LAX89LA055
Dataset
historical-pre2008
Source SHA-256
89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
  • Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
  • Filled from the NTSB case API where the bulk record had no value: local date, investigation status. Values present in the bulk record are kept.
  • The date is the local date; the NTSB stores the UTC date 1988-11-22.
  • API snapshot SHA-256: 884c60984a26092532e6146b11670d0b36d05d0cc55763871143be3dd67be1e2; retrieved 2026-09-23T08:18:00.181Z.