# NTSB BFO86IA031: Douglas DC-9-31, N1310T, Calverton, NY, May 30, 1986

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: May 30, 1986, 14:54 local (18:54 UTC)
- Place: Calverton, NY
- Coordinates: 40.919834, -72.759696 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.9198&lon=-72.7597&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 69 uninjured
- Status: Completed, report October 28, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 11233
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=BFO86IA031
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/11233/pdf
- Page: https://openairdocs.org/ntsb/BFO86IA031

## Sequence of events

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

- Near collision between aircraft, descent
  - visual lookout - not maintained, pilot of other aircraft (cause)
- Near collision between aircraft, descent
  - visual lookout - not maintained, pilot in command (cause)

## Analysis (aircraft 2)

N1031T A DC-9-31, WAS IN A DESCENT FOR LANDING AT JAMAICA, NY. THE CAPTAIN REPORTED HE HEARD A NOISE THAT HE THOUGHT WAS A FAILING CABIN DOOR PRESSURE SEAL AND ADVISED THE COPILOT. THE COPILOT INDICATED HE THOUGHT THE NOISE WAS THE SOUNDOF A JET ENG. BETWEEN 1453 AND 1455, THE CREW OF N1031T OBSERVED A GRUMMAN F-14A, USN 'MANEUVER ABOVE AND AROUND' THEIR AIRCRAFT. N1031T WAS ON A HEADING OF 275 DEG AND USN WAS ON A HEADING OF 250 DEG. N1031T TURNED APPROX 15 DEG RIGHT AND USN BANKED RIGHT AND DISAPPEARED FROM VIEW. NO OTHER EVASIVE ACTION WAS TAKEN BY N1031T AND IT LANDED AT JFK AIRPORT WITHOUT FURTHER INCIDENT. USN LANDED AT CALVERTON AND REPORTED HE OBSERVED NO CONFLICTING TRAFFIC. NEW YORK ARTCC AND NEW YORK TRACON RECORDED DATA DISCLOSED BETWEEN 1454:00 AND 1454:35 MINIMUM HORIZONTAL SEPARATION OF .7 NAUTICAL MILES OCCURRED AT 13200 FEET AND MINIMUM VERTICAL SEPARATION OF 200 FEET OCCURRED AT 12900 FEET.

## Analysis (aircraft 1)

N1031T A DC-9-31, WAS IN A DESCENT FOR LANDING AT JAMAICA, NY. THE CAPTAIN REPORTED HE HEARD A NOISE THAT HE THOUGHT WAS A FAILING CABIN DOOR PRESSURE SEAL AND ADVISED THE COPILOT. THE COPILOT INDICATED HE THOUGHT THE NOISE WAS THE SOUNDOF A JET ENG. BETWEEN 1453 AND 1455, THE CREW OF N1031T OBSERVED A GRUMMAN F-14A, USN 'MANEUVER ABOVE AND AROUND' THEIR AIRCRAFT. N1031T WAS ON A HEADING OF 275 DEG AND USN WAS ON A HEADING OF 250 DEG. N1031T TURNED APPROX 15 DEG RIGHT AND USN BANKED RIGHT AND DISAPPEARED FROM VIEW. NO OTHER EVASIVE ACTION WAS TAKEN BY 1031T AND IT LANDED AT JFK AIRPORT WITHOUT FURTHER INCIDENT. USN LANDED AT CALVERTON AND REPORTED HE OBSERVED NO CONFLICTING TRAFFIC. NEW YORK ARTCC AND NEW YORK TRACON RECORDED DATA DISCLOSED BETWEEN 1454:00 AND 1454:35 MINIMUM HORIZONTAL SEPARATION OF .7 NAUTICAL MILES OCCURRED AT 13200 FEET AND MINIMUM VERTICAL SEPARATION OF 200 FEET OCCURRED AT 12900 FEET.

## Aircraft 1

- Registration: N1310T (not matched to a registry record)
- Reported make and model: DOUGLAS DC-9-31
- Category: Airplane
- Serial number: 47487
- Airframe hours: 45035
- Engines: P&W JT8D-9A 14500 lbs thrust turbo fan
- Damage: No damage
- Flight: Part 121
- Registered owner: New York Airlines, Inc.
- Airworthiness certificate: Standard, Transport
- Departed: BOS, BOSTON, MA
- Destination: JFK, JAMAICA, NY
- Flight plan: IFR

## Aircraft 2

- Registration: USN (not matched to a registry record)
- Reported make and model: GRUMMAN F-14A
- Category: Airplane
- Serial number: 537
- Airframe hours: 76
- Engines: P&W TF-30-P414A turbo jet
- Damage: No damage
- Flight: Public aircraft, Part 91
- Registered owner: United States Navy
- Destination: CTO
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot, aircraft N1310T; age 34; airline transport; airplane ratings: multi-engine land; instrument ratings: airplane; medical: unknown, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 7,500 total, 1,500 in this make and model, 558 in the last 24 hours
- Pilot, aircraft 2; age 43; military; medical: class 1, valid medical--no waivers/lim.; seat: center; toxicology performed; flight hours: 3,483 total, 1,261 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 8 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 54 °F
- Altimeter: 29.00 inHg
- Observed at: CTO, 8 nm away

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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