- Registered owner
- Greater Boston Soaring Club Inc
- Location
- Sterling, MA
- Owner type
- Corporation
- Serial number
- 21930
- Year built
- 2015
- Type
- Glider
- Engine
- None
- Airworthiness
- Standard, normal
- Airworthiness date
- September 1, 2015
- Certificate issued
- July 2, 2024
- Expires
- July 31, 2031
- Mode S code
- A9A8BD
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 13
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1984 | 1 |
|---|---|
| 1985 | 1 |
| 1987 | 1 |
| 1997 | 1 |
| 1998 | 6 |
| 1999 | 1 |
| 2014 | 1 |
| 2017 | 1 |
Airframe · Alexander Schleicher ASK 21
AD 2017-02-11Flight ControlsAD 2014-06-07Placards and MarkingsAD 95-11-15 R1Parallel RockerAD 98-12-03Rudder Panel, Airbrake Bellcrank, Rear Canopy HingeAD 98-10-07SFM - Weight and BalanceAD 98-09-13S-Shaped Rudder Pedal Tube InspectionAD 98-08-29SFM - Stall and Spin Recovery InformationAD 98-06-38Elevator PushrodAD 98-06-37Tow Release Cable AssemblyAD 97-08-06 R1Quick ConnectorsAD 87-10-07Rudder PedalAD 85-06-07Main Wheel BoxAD 84-23-03Placard And Afm ChangesInformation bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N721RCMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Alexander Schleicher ASK 21 aircraft
FAA incident reports
No FAA accident or incident reports matched to N721RCMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Alexander Schleicher ASK 21 aircraft
Reports on N721RC not matched to an aircraft · 3
They name N721RC, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Incident 19870706044669IBoeing 7272S7 · Memphis, TNA system hydraulics failed on climbout. Returned. Found a cracked line.Incident 19840103002709IBoeing 7272S7 · Minneapolis, MNHit by a parked aircraft that was pushed into the aircraft by a jet blast from a DC-10 taxing from gate.Incident 19811219086969IBoeing 7272S7 · Chicago, ILAfter takeoff NR3 leading edge flap would not retract. Diverted to Ohare. NR3 leading edge switch bad, replaced.
Service difficulty reports
No reports matched to N721RCGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Alexander Schleicher ASK 21 aircraft
Reports on N721RC not matched to an aircraft · 22
They name N721RC, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
SDR 9904322717Floorbeam · damagedDURING M-CHECK, FOUND MECHANICAL DAMAGE ON UPPER INBOARD FLANGE OF THE LONGITUDINAL FLOORBEAM FS 767, WL 208, LBL 45.5. REPAIRED PER EA 27-170698.SDR 9904292717Frame · crackedDURING M-CHECK, FOUND CRACK ON FRAME INNER CHORD AT FS 950, STR 24L. REPAIRED PER EA 27-120691A.SDR 9904302717Keel Beam · corrodedDURING M-CHECK, FOUND CORROSION ON THE OUTBOARD FLANGE OF THE LEFT KEEL BEAM AT FS 950A+2, WL 148, STR 29L. REPAIRED PER EA 27-168000.
See all 22 unmatched reportsSTCs that may be installed
No STCs matched this aircraft’s modelsSTCs change type-certificated designs, and this aircraft isn’t type certificated.