Gliders, Balloons & Other/ALEXANDER SCHLEICHER GMBH & CO/ASK 21/PH-688

PH-688 — 1980 ALEXANDER SCHLEICHER GMBH & CO ASK 21

Registry aircraft record

✦ILT (Netherlands) Record

RegistrationPH-688

Serial number21020

ManufacturerALEXANDER SCHLEICHER GMBH & CO

ModelASK 21

Year built1980

Registry status5 -

Last action—

Source: ILT (Netherlands) · updated Sep 1, 2026

One of 63 active ALEXANDER SCHLEICHER GMBH & CO ASK 21s across the 7 registries BuyJet tracks. Registry record last updated Sep 1, 2026.

New to market — be the first to see ASK 21 listings View market →

Is this your aircraft?

List it in minutes — we’ve already got the registry data.

About PH-688

PH-688 is a 1980 ALEXANDER SCHLEICHER GMBH & CO ASK 21 registered with the ILT (Netherlands).

Yes — the ILT (Netherlands) lists PH-688 as registered (registry data updated 2026-09-01).

The ALEXANDER SCHLEICHER GMBH & CO ASK 21 has 2 seats and 0 engines.