Per-Gunnar Jering was born on 9 May 1917 in Stockholm.

He trained at F5, Ljungbyhed, belonging to C 36 (GFU 1936-1937) but was forced to leave the training on 8 May 1937 before receiving his wings (the course ended on 29 May 1937).

He was studying law before deciding to volunteering for service in Finland together with Bengt Heijl.

They went to the Finnish Embassy in Stockholm and received train tickets to Torneå.

When they arrived at Torneå they spent the night in a school before continuing with train to Parola. During their journey, enemy aircraft attacked the train.

They arrived at T-LeR 2 at Parola on 28 February 1940.
After being checked out they were sent to Kapteeni Bo von Villebrand´s lentue, which was based at an ice-base at Tyrväntö on a cape on east part of Lake Vanajavesi, north of Parola.
This unit was equipped with Moths, Kotkas, Jaktfalk IIs (at least JF-224 and JF-228), Tuiskus, Bulldogs and Gauntlets.

At Tyrväntö they practised with Jaktfalk IIs against ground and air targets.

Before being sent to an operational unit, the cease-fire was declared on 13 March.

Jering continued to serve in the Finnish Air Force until the beginning of June 1940 when he went home to continue his studies.

During the rest of the war, he did additional service during the various military states of alert. At one time, he served at F6 as air traffic controller and messenger.

On 3 October 1942, he was married.

After the war, he served in at the Foreign Office as responsible for the Chamber of Commerce in Brussels, Belgium.
In Belgium, he was also involved in the creation of Ecole Astrid (the Nordic school).

He continued to serve in the Air Force Reserve until 1959 at F11, Nyköping, were he served as an observer with pilot training.

Per-Gunnar Jering passed away on 25 September 2003. At the time he was living in Jakobsberg.

Sources:
Article by Eino Ritaranta in "Suomen Ilmailuhistoriallinen Lehti" no. 1/1996 kindly provided by Carl-Fredrik Geust
Ilm.RUK 9 - Carl-Erik Bruun, Kalle Paalanen and Pekka Parviainen, 1996 kindly provided by Göran Bruun
Sveriges Dödbok 1947-2006 – Sveriges Släktforskarförbund
Additional information kindly provided by Carl-Fredrik Geust, Göran Jacobsson, Per-Gunnar Jering and Stefan Rubensson