MIA90IA039

NTSB incident investigation · Boeing 727 · Ormond Beach, FL · December 15, 1989

Incident · No injuriesIncident investigationFinal report
Date
December 15, 1989, 10:23 local (15:23 UTC)
Place
Ormond Beach, FL
Injuries
59 uninjured
Phase of flight
Enroute
Aircraft
N64339Boeing 727N72Beech 300
Weather
Visual (VMC) · Day
Status
Completed · report September 30, 1992
Report
Approved by Office Director
Case key
32575

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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Probable cause

Failure of the pilot in command in the Beech 300 to comply with an ATC clearance in a timely manner, while diverting his attention, and failure of the ATC controller to assure that IFR separation was maintained.

Failure of the pilot in command in the Beech 300 to comply with an ATC clearance in a timely manner, while diverting his attention, and failure of the ATC controller to assure that IFR separation was maintained.

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.

Near collision between aircraftDescent
Atc clearance - not followedPilot of other aircraftCause
Diverted attentionPilot of other aircraftCause
Ifr separation standards - not maintainedAtc personnel(artcc)Cause
Near collision between aircraftDescent
Atc clearance - not followedPilot in commandCause
Diverted attentionPilot in commandCause
Ifr separation standards - not maintainedAtc personnel(artcc)Cause

Analysis

An FAA Beech 300, call sign; flt check 72 (FLC72), was hdg se on J79 at FL260, while twa flt 393 was hdg south on J45 at FL310. Both had IFR clncs & were being ctld by the R58 ctld at jacksonville ARTCC. At that time, the ctlr was busy working a number of otr acft. FLC72 requested a dscnt, but the dscnt was delayed while the ctlr coordinated tfc with another ctlr. In the meantime, flt 393 was clrd to dscnd to FL240. Abt 90 sec ltr, FLC72 was told to fly a hdg of 195 deg & to dscnd & maint 16,000'. FLC72 acknowledged, but did not dscnd in a timely manner, nor did the ctlr note the anomaly. Subsequently, FLC72 & flt 393 converged to abt .8 mi mi horizontal sepn at the same alt. This occurred when the capt of FLC72 allowed the coplt to leave the cockpit & let another FAA employee occupy the coplt's seat. The capt rprtd that he may have become distracted while briefing the employee.

An FAA Beech 300, call sign: flt check 72 (FLC72), was hdg se on J79 at FL260, while twa flt 393 was hdg south on J45 at FL310. Both had IFR clncs & were being ctld by the R58 ctlr at jacksonville ARTCC. At that time, the ctlr was busy working a number of otr acft. FLC72 requested a dscnt, but the dscnt was delayed while the ctlr coordinated tfc with another ctlr. In the meantime, flt 393 was clrd to dscnd to FL240. Abt 90 sec ltr, FLC72 was told to fly a hdg of 195 deg & to dscnd & maint 16,000'. FLC72 acknowledged, but did not dscnd in a timely manner, nor did the ctlr note the anomaly. Subsequently, FLC72 & flt 393 converged to abt .8 mi horizontal sepn at the same alt. This occurred when the capt of FLC72 allowed the coplt to leave the cockpit & let another FAA employee occupy the coplt's seat. The capt rprtd that he may have become distracted while briefing the employee.

Aircraft · 2

Registration
N64339
Reported as
Boeing 727
Category
Airplane
Serial number
20844
Engine
P&W JT8D, 15,500 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
Trans World Airways
Airworthiness certificate
Standard, Transport
Departed
LGA · New York, NY
Destination
MCO · Orlando, FL
Flight plan
IFR

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.

Registration
N72
Reported as
Beech 300
Category
Airplane
Serial number
FF-7
Engine
P&W PT6A, 1,050 horsepower, turbo prop
Damage
No damage
Flight
Public aircraft · Public use
Registered owner
Federal Aviation Admin.
Airworthiness certificate
Standard, Normal
Departed
FTY · Atlanta, GA
Destination
X47 · Bunnell, FL
Flight plan
IFR

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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N64339
Age
52
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
15,000 total
Role
Pilot, aircraft N72
Age
53
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
14,000 total

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 6 knots
Visibility
7 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 37 °F
Altimeter
30.00 inHg
Observed at
CRG, 13 nm away