19970831029039A

Accident · Substantial damage

FAA accident report · Beech E90 · Albuquerque, NM · August 31, 1997

Date
August 31, 1997 · 17:40 local
Place
Albuquerque, NM
Airport
Albuquerque International Airport
Phase of flight
Fcd/Prec Ldg From Cruise
Operating rules
Air taxi and commuter (Part 135)
Operator
GNLA
Damage
Substantial damage
Aircraft
N16NM
NTSB investigation
NTSBFTW97LA334
Reported as
Beech E90
Reported engine
Pratt & Whitney PT6A28
People aboard
4
Fatal injuries
0
Pilot’s flight hours
12,050 total200 in this make and model74 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.

Noise gear retract and unsafe light for landing. Right main folded landing torque tube had failed due fatigue. (.19) on August 31, 1997, at 1740 mountain daylight time, a Beech E-90, N16NM, operating as a lifeguard flight from santa rosa, new Mexico, to Albuquerque, new Mexico, collapsed the right main landing gear during landing roll at Albuquerque. The airline transport pilot, 2 flight nurses, and the patient were not injured and the aircraft sustained substantial damage. Visual meteorological conditions prevailed and an IFR flight plan was filed for this title 14 CFR part 135 medical flight which departed santa rosa, new Mexico, at 1634. According to preliminary information, when the landing was raised after departure, both the pilot and flight nurse heard a noise from the landing gear that they were not familiar with. When the landing gear was lowered on arrival at Albuquerque, an unsafe right main landing gear indication was present. The pilot secured the right engine, feathered the right propeller, and made a precautionary landing. During landing roll the right main landing gear collapsed. (.4) during initial climb following takeoff from santa rosa on a medical evacuatio n flight, with a patient and 2 flight nurses aboard, the right main landing gear failed to fully retract. Prior to landing at Albuquerque the right main landing gear did not lock in the down position. During landing roll, the right main landing gear collapsed. Examination of the landing gear provided evidence that the retraction/extension torque tube failed in fatigue. (-23) on August 31, 1997, at 1740 mountain daylight time, a Beech E-90, N16NM, operating as a lifeguard flight from santa rosa, new Mexico, to Albuquerque, new Mexico, collapsed the right main landing gear during landing roll at Albuquerque. The airline transport pilot, flight nurse, and patient were not injured and the aircraft sustained substantial damage. Visual meteorological conditions prevailed and an IFR flight plan was filed for this title 14 CFR part 135 medical flight which departed santa rosa, new Mexico, at 1634.

As the FAA filed it

NOISE GEAR RETRACT AND UNSAFE LIGHT FOR LANDING. RIGHT MAIN FOLDED LANDING TORQUE TUBE HAD FAILED DUE FATIGUE. (.19) ON AUGUST 31, 1997, AT 1740 MOUNTAIN DAYLIGHT TIME, A BEECH E-90, N16NM, OPERATING AS A LIFEGUARD FLIGHT FROM SANTA ROSA, NEW MEXICO, TO ALBUQUERQUE, NEW MEXICO, COLLAPSED THE RIGHT MAIN LANDING GEAR DURING LANDING ROLL AT ALBUQUERQUE. THE AIRLINE TRANSPORT PILOT, 2 FLIGHT NURSES, AND THE PATIENT WERE NOT INJURED AND THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AND AN IFR FLIGHT PLAN WAS FILED FOR THIS TITLE 14 CFR PART 135 MEDICAL FLIGHT WHICH DEPARTED SANTA ROSA, NEW MEXICO, AT 1634. ACCORDING TO PRELIMINARY INFORMATION, WHEN THE LANDING WAS RAISED AFTER DEPARTURE, BOTH THE PILOT AND FLIGHT NURSE HEARD A NOISE FROM THE LANDING GEAR THAT THEY WERE NOT FAMILIAR WITH. WHEN THE LANDING GEAR WAS LOWERED ON ARRIVAL AT ALBUQUERQUE, AN UNSAFE RIGHT MAIN LANDING GEAR INDICATION WAS PRESENT. THE PILOT SECURED THE RIGHT ENGINE, FEATHERED THE RIGHT PROPELLER, AND MADE A PRECAUTIONARY LANDING. DURING LANDING ROLL THE RIGHT MAIN LANDING GEAR COLLAPSED. (.4) DURING INITIAL CLIMB FOLLOWING TAKEOFF FROM SANTA ROSA ON A MEDICAL EVACUATIO N FLIGHT, WITH A PATIENT AND 2 FLIGHT NURSES ABOARD, THE RIGHT MAIN LANDING GEAR FAILED TO FULLY RETRACT. PRIOR TO LANDING AT ALBUQUERQUE THE RIGHT MAIN LANDING GEAR DID NOT LOCK IN THE DOWN POSITION. DURING LANDING ROLL, THE RIGHT MAIN LANDING GEAR COLLAPSED. EXAMINATION OF THE LANDING GEAR PROVIDED EVIDENCE THAT THE RETRACTION/EXTENSION TORQUE TUBE FAILED IN FATIGUE. (-23) ON AUGUST 31, 1997, AT 1740 MOUNTAIN DAYLIGHT TIME, A BEECH E-90, N16NM, OPERATING AS A LIFEGUARD FLIGHT FROM SANTA ROSA, NEW MEXICO, TO ALBUQUERQUE, NEW MEXICO, COLLAPSED THE RIGHT MAIN LANDING GEAR DURING LANDING ROLL AT ALBUQUERQUE. THE AIRLINE TRANSPORT PILOT, FLIGHT NURSE, AND PATIENT WERE NOT INJURED AND THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AND AN IFR FLIGHT PLAN WAS FILED FOR THIS TITLE 14 CFR PART 135 MEDICAL FLIGHT WHICH DEPARTED SANTA ROSA, NEW MEXICO, AT 1634.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.