- Date
- January 11, 1989, 18:50 local (Jan 12, 1989, 01:50 UTC)
- Place
- Gunnison, CO
- Injuries
- 51 uninjured
- Damage
- Minor damage
- Phase of flight
- Landing
- Aircraft
- N926RMDe Havilland DHC-7-102
- Weather
- Visual (VMC) · Night/dark
- Status
- Completed · report August 26, 1992
- Report
- Approved by Office Director
- Safety recommendations
- Yes
- FAA report
- 19890111000809I
- Case key
- 17614
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
Probable cause
The fatigue failure of the down lock mechanism resulting from the non-compliance with a service bulletin by company maintenance personnel.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
Rocky mountain airways flt 2276 was on a scheduled flt from denver, CO to Gunnison, CO. During touchdown at Gunnison, the right landing gear partially collapsed. The capt was able to maintain directional control during the landing roll. He taxied the acft off the runway onto the acft parking apron where he shut the engines down and the pax were deplanned. Subsequent investigation revealed that the lock strut in the landing gear assembly had failed due to fatigue. A service bulletin regarding the inspection and replacement of this part had not been complied with.
Aircraft
- Registration
- N926RM
- Reported as
- De Havilland DHC-7-102
- Category
- Airplane
- Serial number
- 6
- Airframe hours
- 27,635
- Engine
- P&W PT6A-50, 1,120 horsepower, turbo prop
- Damage
- Minor damage
- Flight
- Part 121
- Operator
- Rocky Mountain Airways, doing business as Continental Express
- Registered owner
- Aviation Sales Company ,Inc.
- Airworthiness certificate
- Standard, Transport; Standard, Normal
- Last inspection
- Continuous airworthiness · January 4, 1989 · 62 hours before
- Departed
- DEN · Denver, CO
- Flight plan
- IFR
- Airport
- GUC · Gunnison
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 47
- Certificate
- Airline transport
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 8,806 total · 3,432 in this make and model · 6,635 as pilot in command · 251 in the last 90 days · 98 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Night/dark
- Wind
- Calm
- Visibility
- 10 statute miles
- Lowest ceiling
- 3,500 ft broken
- Temperature
- 7 °F
- Altimeter
- 30.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.