# NTSB DEN87IA031: Beech C-99, N7212P, Albuquerque, NM, December 18, 1986

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: December 17, 1986, 23:10 local (Dec 18, 1986, 06:10 UTC)
- Place: Albuquerque, NM
- Location: 35.0389° N, 106.6083° W: Placed by OpenAirDocs at ALBUQUERQUE INTL SUNPORT (ABQ), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0389&lon=-106.6083&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 17133
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87IA031
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17133/pdf
- Page: https://openairdocs.org/ntsb/DEN87IA031

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Main gear collapsed, landing - roll
  - landing gear,normal retraction/extension assembly - worn (cause)
  - landing gear,gear locking mechanism - failure,total (cause)

## Analysis

MESA AIRLINE FLT 114 WAS ON A SCHEDULED FLT FROM ALBUQUERQUE TO CLOVIS, NM. UPON TOUCHDOWN AT CLOVIS, THE LEFT LANDING GEAR BEGAN TO COLLAPSE AND A GO-AROUND WAS SUCCESSFUL. THE CREW ELECTED TO RETURN TO ALBUQUERQUE WHERE EMERG EQUIPMENT COULD STAND BY. AFTER TOUCHDOWN, WHILE STILL ON THE LANDING ROLL, THE LEFT GEAR COLLAPSED. THE ACFT CAME TO A STOP AND ALL OCCUPANTS OF THE ACFT DEPLANED SUCCESSFULLY.

## Aircraft

- Registration: [N7212P](https://openairdocs.org/aircraft/N7212P), registered now, S/N U-220, built 1984 (OpenAirDocs)
- Reported make and model: BEECH C-99
- Registry model: [Beech C-99](https://openairdocs.org/model/beech-c-99) (registry code 1154006) (OpenAirDocs)
- Registry engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: U-220
- Airframe hours: 7134
- Engines: P&W PT6-36 715 horsepower turbo prop
- Damage: Minor damage
- Flight: Part 135
- Operator: Mesa Air Shuttle
- Registered owner: Beech Acceptance Corp. Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Continuous airworthiness, November 23, 1986, 71 hours before
- Departed: ABQ, ALBUQUERQUE, NM
- Destination: CVN, CLOVIS, NM
- Flight plan: IFR
- Airport: ABQ, Albuquerque International, runway 8, 13,375 × 300 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; commercial, flight instructor, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: helicopter, airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 2,400 total, 800 in this make and model, 1,260 as pilot in command, 240 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 80° at 14 knots
- Visibility: 10 statute miles
- Lowest ceiling: 1,300 ft overcast
- Temperature: 36 °F, dew point 28 °F
- Altimeter: 30.00 inHg
- Observed at: ABQ

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19861217080959I](https://openairdocs.org/incident/19861217080959I), Dec 17, 1986: Beech C99, Albuquerque, NM, Minor damage. Unsafe gear indication at destination. Diverted, used emergency checklist. Gear collapsed. Broken gear drag link.

## Other investigations on N7212P (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB OPS10IA574](https://openairdocs.org/ntsb/OPS10IA574), Sep 16, 2010: Beech C-99 (N7212P), Minneapolis, MN, incident, no damage. Probable cause: The Local North Controller's issuance of a left-turn heading to the Airbus without establishing the position and heading of the Beech. Contributing to the incident was the Local South Controller's…

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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