- Date
- March 8, 2012, 18:42 local (18:42 UTC)
- Place
- Ontario, Canada
- Phase of flight
- Enroute
- Aircraft
- N128GVGulfstream Aerospace GV SP (G550)N717XJCessna 750
- Defining events
- Enroute-cruise: Air traffic eventEnroute-cruise: Air traffic event
- NTSB office
- Operational Factors Division
- Lead agency
- Other
- Case key
- 83158
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
Findings · 4
NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings.
N128GV · Gulfstream Aerospace GV SP (G550)
Communication (personnel): accuracy of communicationProbable causeUse of equip/info: use of policy/procedureProbable causeFactual narrative
N217AL, a private Cessna 750, was en route between San Jose, California (KSJC), and Bedford, Massachusetts (KBED) at FL430. N128GV, a private Gulfstream V, was en route between Bradley/Windsor Locks, Connecticut (KBDL), and San Francisco, California (KSFO), at FL430. Twenty nm northwest of YXU VOR on J16 Airway the two aircraft passed, separated by 1 mile laterally and 900 feet vertically, where 5 nm lateral or 2000 foot vertical spacing was required.
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident.
N128GV · Gulfstream Aerospace GV SP (G550)
Air traffic eventDefining eventN717XJ · Cessna 750
Air traffic eventDefining eventAircraft · 2
- Registration
- N128GV
- Reported as
- Gulfstream Aerospace GV SP (G550) (SP G550)
- Category
- Airplane
- Serial number
- 5363
- Built
- 2012
- Engines
- Rolls-Royc BR700-710C411Rolls-Royc BR700-710C411
- Damage
- No damage
- Flight
- Business · Part 91
- Registered owner
- Millrock Aviation Financial LLC
- Departed
- BDL · Windsor Locks, CT
- Destination
- SFO · San Francisco, CA
- Flight plan
- IFR
- Registration
- N717XJ
- Reported as
- Cessna 750 (NO SERIES)
- Category
- Airplane
- Serial number
- 750-0217
- Built
- 2003
- Damage
- No damage
- Flight
- Business · Part 91
- Registered owner
- Xojet Inc
- Airworthiness certificate
- Unknown
- Departed
- SJC · San Jose, CA
- Destination
- BED · Bedford, MA
- 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.