# NTSB DEN86LA105: Cessna 177B, Aztec, NM, March 29, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: March 29, 1986, 15:45 local (22:45 UTC)
- Place: Aztec, NM
- Coordinates: 36.819248, -108.000465 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.8192&lon=-108.0005&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed
- Report: Approved by Office Director
- ADs cited in the narratives: [AD 81-15-03](https://openairdocs.org/ad/81-15-03), AD 78-25-05 (OpenAirDocs)
- NTSB case key (mKey): 16940
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA105
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16940/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA105

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise - normal
  - fuel system,ram air/induction air - deteriorated (cause)
  - maintenance,compliance with ad - not performed, other maintenance personnel (cause)
- Loss of engine power(total) - nonmechanical, cruise - normal
  - fuel system,carburetor - blocked(total) (cause)
- Forced landing, descent - emergency
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - ditch (contributing factor)
  - directional control - not maintained, pilot in command (cause)
- Nose over, landing - roll

## Analysis

PLT AND ONE PAX DEPARTED ESTON, SASKATCHEWAN AT 0600, EN ROUTE TO GUAYMAS, MEXICO FOR A VACATION. ACFT WAS REFUELED IN BILLINGS, MT AT 0900 AND AT GRAND JUNCTION, CO. PLT CHECKED WX, FILED VFR FLIGHT PLAN AND DEPARTED GRAND JUNCTION AT 1430, EN ROUTE TO TUCSON, AZ. PLT SAID THAT WHILE IN CRUISE FLIGHT ENG QUIT. PLT MADE FORCED LANDING ON DIRT ROAD. DURING LANDING ROLL ACFT HIT DITCH AND OVERTURNED. EXAMINATION OF ACFT REVEALED RUBBER GASKET SURROUNDING AIR FILTER HAD DETERIORATED AND WAS FOUND LODGED IN CARBURETOR VENTURI. EXAMINATION OF MAINTENANCE RECORDS REVEALED THAT NEITHER A.D. 81-15-03 NOR SUPERCEDED A.D. 78-25-05 HAD BEEN ACCOMPLISHED.

## Aircraft

- Registration: CGIJZ (not matched to a registry record)
- Reported make and model: CESSNA 177B
- Category: Airplane
- Serial number: 177-02435
- Airframe hours: 2375
- Engines: LYCOMING O-360-A1F6D 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Betha Woods
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, November 13, 1985, 66 hours before
- Departed: GJT, GRAND JUCTION, CO
- Destination: TUC, TUCSON, AZ
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 1,509 total, 1,090 in this make and model, 1,414 as pilot in command, 48 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 5 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 70 °F

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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