Craig Wing from Clifton in Nottinghamshire says he saw the aircraft get into difficulties.
He was travelling Northbound on the M1 - turned round at the next junction, pulled up, and ran through fields next to the motorway to try and help.
Craig Wing from Clifton was heading to Meadowhall with his family when he witnessed the plane crash into a field near the M1 motorway.
"It wasn't nice, my kids were very upset, saying Dad we've got to go and help these people. I ran through the fields to the aircraft. It went down very close to the motorway, I would say half the size of a football field away."
Craig Wing was driving along the M1 and says he saw the plane getting into difficulties above the motorway.
He describes how the plane was heading for the motorway but says the pilot managed to swerve to avoid it.
Craig Wing was travelling along the motorway with his family and called the Emergency Services.
Police have confirmed there are two casualties following a small plane crash in Nottinghamshire.
It crashed into a field close to Junction 27 of the M1 motorway earlier today.
A small plane has crashed near the M1 motorway in Nottinghamshire.
It came down around 13.30pm this afternoon and crashed into a field near the motorway between junctions 26 and 27.
It's understood to be a light aircraft.
Police, fire and ambulance services are all at the scene just off the southbound carriageway.
More to follow..
Incredible CCTV footage shows an out-of-control caravan snaking wildly across the M1 motorway in Leicestershire before smashing into the roadside barrier.
The footage was released by the Highways Agency ahead of the anticipated Easter getaway, warning of the need to tow vehicles safely.
Figures show that last year in the West Midlands alone, there were 866 incidents involving caravans, trailers and other towed vehicles.
One of two people seriously injured in a major crash on the M1 motorway on Friday has died.
Tracy Maria Walters, aged 48, died at Coventry's University Hospital yesterday.
The motorway was left at a standstill when the Mitsubishi L200 4x4 she was travelling in crashed off the southbound M1 near junction 22 at around 12.40pm.
She and a man who was also in the car were airlifted to hospital. He remains in a serious but stable condition.
Derbyshire County Council has opposed proposals to introduce a 60mph speed limit on the M1 between junctions 28 and 31.
The Highways Agency is looking at converting the hard shoulder into a fourth lane. It is part of a project to improve traffic flow and allow greater volumes of vehicles to use the road.
A 60mph speed limit has been proposed between 7am and 7pm everyday by The Highways Agency in a bid to reduce carbon emissions, which would increase if the motorway was widened.
Councillor Dean Collins, Derbyshire County Council’s cabinet member for jobs, economy and transport, said: “We're working hard to attract new businesses to the area and a lower limit will add to the perception that the M1 is overly congested."
"Other sections of the M1 have air quality management areas but do not have lower speed restrictions as a result, so we don’t see why they should be imposed in Derbyshire."