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19950217004809I

Incident · Substantial damage
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FAA incident report · Beech B100 · Mammoth Lakes, CA · February 17, 1995

FAA Aviation Safety Information Portal

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Date
February 17, 1995 · 17:30 local
Place
Mammoth Lakes, CA
Airport
Mammoth - June Lakes
Phase of flight
Final Approach
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N116AC
Reported as
Beech B100
Reported engine
Garrett TPE331*
People aboard
8
Fatal injuries
0
Pilot’s flight hours
5,000 total430 in this make and model150 in the last 90 days

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Narrative: pilot entered right downwind mmh for landing runway 27. Turned base, a Piper cheyenne turned inside on final approach. Pilot elected to go around. On the second approach, only two green lights showed on the landing gear, pilot started missed approach procedures. On power up a loud "bang" was audible from the right engine area. Pilot immediately landed. 3 green lights showed on roll out. A small fire was visible through a large hole in the right inboard upper engine cowling. The fire was out when the aircraft was parked. Damage to the right engine was substantial. The hole in the cowling was from turbine blades and shaft. The exhaust pipe was full of engine pieces and there are 4 punctures in the right side of the fuselage by the co-pilots seat area. No further fire or aircraft damage and there were no injuries. The engine assembly is to be disassembled and inspected by allied signal, garett, of phoenix, AZ and we will request an FAA inspector from the scotts dale FSDO observe the teardown. Report and m/d to follow.

As the FAA filed it

NARRATIVE: PILOT ENTERED RIGHT DOWNWIND MMH FOR LANDING RUNWAY 27. TURNED BASE, A PIPER CHEYENNE TURNED INSIDE ON FINAL APPROACH. PILOT ELECTED TO GO AROUND. ON THE SECOND APPROACH, ONLY TWO GREEN LIGHTS SHOWED ON THE LANDING GEAR, PILOT STARTED MISSED APPROACH PROCEDURES. ON POWER UP A LOUD "BANG" WAS AUDIBLE FROM THE RIGHT ENGINE AREA. PILOT IMMEDIATELY LANDED. 3 GREEN LIGHTS SHOWED ON ROLL OUT. A SMALL FIRE WAS VISIBLE THROUGH A LARGE HOLE IN THE RIGHT INBOARD UPPER ENGINE COWLING. THE FIRE WAS OUT WHEN THE AIRCRAFT WAS PARKED. DAMAGE TO THE RIGHT ENGINE WAS SUBSTANTIAL. THE HOLE IN THE COWLING WAS FROM TURBINE BLADES AND SHAFT. THE EXHAUST PIPE WAS FULL OF ENGINE PIECES AND THERE ARE 4 PUNCTURES IN THE RIGHT SIDE OF THE FUSELAGE BY THE CO-PILOTS SEAT AREA. NO FURTHER FIRE OR AIRCRAFT DAMAGE AND THERE WERE NO INJURIES. THE ENGINE ASSEMBLY IS TO BE DISASSEMBLED AND INSPECTED BY ALLIED SIGNAL, GARETT, OF PHOENIX, AZ AND WE WILL REQUEST AN FAA INSPECTOR FROM THE SCOTTS DALE FSDO OBSERVE THE TEARDOWN. REPORT AND M/D TO FOLLOW.