# NTSB ATL86IA144: Boeing 727-295, N1644, Nashville, TN, May 23, 1986

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: May 23, 1986, 15:00 local (20:00 UTC)
- Place: Nashville, TN
- Location: 36.1659° N, 86.7844° W: Placed by OpenAirDocs: center of Nashville, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1659&lon=-86.7844&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 129 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 7016
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL86IA144
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7016/pdf
- Page: https://openairdocs.org/ntsb/ATL86IA144

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise - normal
  - fire warning system,powerplant - failure,total (cause)

## Analysis

THE FLIGHT EXPERIENCED A FIRE WARNING LIGHT DESCENDING THROUGH 10500 FEET FOR LANDING AT NASHVILLE. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE PASSENGERS EVACUATED THE AIRCRAFT USING EVACUATION SLIDES. EXAMINATION OF THE AIRCRAFT DISCLOSED THAT THE DETECTION LOOP WAS FAULTY.

## Aircraft

- Registration: N1644 (not matched to a registry record)
- Reported make and model: BOEING 727-295
- Category: Airplane
- Serial number: 19449
- Airframe hours: 52491
- Engines: P&W JT80-15 15500 lbs thrust turbo jet
- Damage: No damage
- Flight: Part 121
- Operator: Piedmont Airline
- Registered owner: First Security Bank Of Utah
- Airworthiness certificate: Standard, Normal
- Departed: DENVER, CO
- Flight plan: IFR
- Airport: BNA, Nashville, runway 20R, 7,700 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: unknown, unknown; seat: left; flight hours: 13,203 total, 1,484 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 260° at 4 knots
- Visibility: 6 statute miles
- Lowest ceiling: 2,500 ft overcast
- Temperature: 73 °F, dew point 63 °F
- Altimeter: 29.00 inHg
- Observed at: BNA

## 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 19860523042309I](https://openairdocs.org/incident/19860523042309I), May 23, 1986: Boeing 727295, Nashville, TN. Engine fire warning light persisted after bottles were fired. Evacuation after landing.

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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