- Date
- October 8, 1986, 12:05 local (20:05 UTC)
- Place
- Kivalina, AK
- Injuries
- 10 uninjured
- Damage
- Minor damage
- Phase of flight
- Taxi
- Aircraft
- N1233TCessna 402C
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- Case key
- 4793
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
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.
Main gear collapsed
Landing gear,main gear attachment - disconnectedCause
Maintenance,inspection - inadequateFactor
Maintenance,100-hour inspection - inadequateCause
Analysis
The roll pin and safety wire which retain the main landing gear forward trunnion pin were broken and the forward trunnion pin on the right main landing gear was found 'backed out', thereby releasing the right main landing gear trunnion.
Aircraft
- Registration
- N1233T
- Reported as
- Cessna 402C
- Category
- Airplane
- Serial number
- 402C0805
- Airframe hours
- 2,760
- Engine
- Continental TSIO-520-VB, 325 horsepower, reciprocating
- Damage
- Minor damage
- Flight
- Part 135
- Registered owner
- Ryan Air Service, Inc.
- Airworthiness certificate
- Standard, Normal
- Destination
- Notak, AK
- Flight plan
- Company VFR
- Airport
- Kivalina, runway 12, 3,000 × ft, snow
N1233TRegistration cancelled Mar 19, 2007 · Cessna 402CAirframe modelCessna 402CEngine modelContinental TSIO-520 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 32
- Certificate
- Airline transport
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 1, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 6,142 total · 848 in this make and model · 3,650 as pilot in command · 212 in the last 90 days · 5 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 90° at 7 knots
- Visibility
- 20 statute miles
- Lowest ceiling
- None
- Temperature
- 16 °F, dew point -0 °F