DCA84IA030

NTSB incident investigation · Boeing 727-225 · Marietta, GA · July 16, 1984

Incident · No injuriesIncident investigationFinal report
Date
July 16, 1984, 11:00 local (15:00 UTC)
Place
Marietta, GA
Injuries
45 uninjured
Phase of flight
Enroute
Aircraft
N8840EBoeing 727-225USAFBoeing KC-135A
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Major Investigations Division
Case key
15819

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

On this page

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 aircraftCruise - normal
Instructions,written/verbal - not followedPilot of other aircraftFactor
Identification of aircraft on radar - not attainedAtc personnel(artcc)Factor
Ifr separation standards - not maintainedAtc personnel(artcc)Cause
In flight collision with terrain/waterCruise - normal
Instructions,written/verbal - not followedPilot in commandFactor
Identification of aircraft on radar - not attainedAtc personnel(artcc)Factor
Ifr separation standards - not maintainedAtc personnel(artcc)Cause

Analysis

Eastern airlines flt 92, a Boeing 727, N8840E, and an air force-KC-135, reg #60-0330, call sign fowl 24, were involved in a near collision while both acft were maintaining FL350. The captain of flt 92 reported that during the occurrence, the KC-135 passed directly in front of his acft at a distance of about 1/4 mi, crossing from right to left. Also, he reported that there was insufficient time for him to avoid wake turbulence from the KC-135. The KC-135 flt crew were unaware of the occurence until after they had completed their training flt. An investigation revealed that the incident occurred after jacksonville center had instructed the KC-135 crew to contact atlanta center during a hand-off. The KC-135 coplt thought he had complied, but no calls were recorded until after the incident. The atlanta controller was not aware of the KC-135 in his assigned airspace until after the captain of flt 92 reported the near collision. The investigation revealed that radar data on the KC-135 was available & displayed on the controller's scope.

Eastern airlines flt 92, a Boeing 727, N8840E, and an air force KC-135, reg #60-0330, call sign fowl 24, were involved in a near collision while both acft were maintaining FL350. The captain of flt 92 reported that during the occurrence, the KC-135 passed directly in front of his acft at a distance of about 1/4 mi, crossing from right to left. Also, he reported that there was insufficient time for him to avoid wake turbulence from the KC-135. The KC-135 flt crew were unaware of the occurrence until after they had completed their training flt. An investigation revealed that the incident occurred after jacksonville center had instructed the KC-135 crew to contact atlanta center during a hand-off. The KC-135 coplt thought he had complied, but no calls were recorded until after the incident. The atlanta controller was not aware of the KC-135 in his assigned airspace until after the captain of flt 92 reported the near collision. The investigation revealed that radar data on the KC-135 was available & displayed on the controller's scope.

Aircraft · 2

Registration
N8840E
Reported as
Boeing 727-225
Category
Airplane
Serial number
20383
Airframe hours
40,143
Engine
P&W JT8D-7B, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
Eastern Airlines
Airworthiness certificate
Standard, Transport
Last inspection
Unknown · February 12, 1984
Departed
MIA · Miami, FL
Destination
ORD · Chicago, IL
Flight plan
IFR
Registration
USAF
Reported as
Boeing KC-135A
Category
Airplane
Serial number
18105
Airframe hours
9,461
Engine
P&W J-57-59W, turbo jet
Damage
No damage
Flight
Part 91
Operator
Usaf, 19th Aref Wingf
Registered owner
19th Air Refueling Wing
Departed
WRB · Warner Robbins, GA
Destination
WRB · Warner Robins, GA
Flight plan
IFR

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N8840E
Age
45
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
11,000 total · 4,550 in this make and model
Role
Pilot, aircraft 2
Age
35
Certificates
Commercial, Military
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,275 total · 1,437 in this make and model

Weather

Conditions
Visual (VMC) · Day
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F
Altimeter
29.00 inHg