Aero Commander 680FLP N22LR

Summary

On 11 September 1989 at about 01:18 local time, a Aero Commander 680FLP registered N22LR was involved in an accident near Kailua-Kona, Hawaii, United States. 2 people were on board and one died, one was seriously injured. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

11 September 1989 at 01:18

Classification

Accident

Location

Kailua-Kona, Hawaii, United States

Nearest airport

Keahole (KOA)

Coordinates

Not recorded

Aircraft

Aero Commander 680FLP

Registration

N22LR

Category

Airplane

Engines

2

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Unknown → Honolulu

Aircraft damage

Destroyed

Weather

VMC

Light

Day

NTSB number

LAX89FA307

1 person died.

INADEQUATE MAINTENANCE, AND OPERATION BY THE PILOT WITH KNOWN DEFICIENCIES IN THE AIRCRAFT. FACTORS RELATED TO THE ACCIDENT WERE: EXCESSIVE WEAR IN BOTH ENGINES, IMPROPER USE OF POWERPLANT CONTROLS BY THE PILOT, SUBSEQUENT OVERTEMPERATURE/DETONATION IN BOTH ENGINES, IMPROPER EMERGENCY PROCEDURES BY THE PILOT (INCLUDING PREMATURE GEAR EXTENSION AND/OR FAILURE TO PROPERLY REDUCE DRAG ON THE AIRCRAFT AFTER LOSS OF ENGINE POWER), AND THE PILOT'S LACK OF EXPERIENCE IN MULTI-ENGINE AND THIS MAKE AND MODEL OF AIRCRAFT.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

AS THE ACFT WAS DEPG FM RWY 17, SMOKE WAS OBSERVED COMING FM THE RGT ENG. THE PLT CONFIRMED A LOSS OF PWR & MADE A RGT TURN BACK TOWARD THE RWY, THEN RPRTD HE HAD 'LOST BOTH ENGINES.' THE ACFT WAS EXTENSIVELY DMGD DURING A LNDG ON ROUGH, ROCKY TRRN ABT 1/4 MI SW OF THE RWY THRESHOLD. INVESTIGATION REVEALED THE ACFT HAD JUST CHANGED OWNERSHIP. DURING PRE- PURCHASE INSPN IN FLORIDA, METAL PARTICLES WERE FND IN THE OIL SCREENS OF BOTH ENGS. OIL WAS CHGD & FLUSHED, BUT METAL PARTICLES WERE FND AFTER ANOTHER ENG RUN. IN MAY 1989, THE RGT ENG WAS REPLACED WITH AN ENG FM ANOTHER ACFT. THE ACFT WAS FLOWN TO OAKLAND, CA, WHERE IT WAS PAINTED & NEW INTERIOR WAS INSTALLED. A LCL MECH NOTED METAL PARTICLES IN BOTH ENG OIL SCREENS & RCMNDD OIL ANALYSIS, BUT FERRYING PLT REFUSED. AFTER FLT TO HAWAII, NO OIL STAIN NOTED ON FUSELAGE BFRFLT ON 9/9/89. EXAM OF WRECKAGE REVEALED BOTH ENGS FAILED FM DETONATION. HVY OIL STREAKS FND BHND RGT ENG, SOME STREAKS OF OIL FND BHND LEFT ENG. RGT ENG CRANKSHAFT/ROD BRG SURFACE WAS 0.010' UNDER STANDARD, BUT ROD BRGS WERE STANDARD SIZE.

Quoted verbatim from the NTSB record.