Boeing 737 incident near Karachi, Pk, April 22, 2012
On April 22, 2012 at about 5:35 pm local time, a Boeing 737, registered APBJN, suffered minor damage in an incident during landing (flare/touchdown) near Karachi. It was flown under non-U.S. commercial rules. No one was hurt; 171 people were on board or involved.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 22, 2012 · about 5:35 pm local time
- Place
- Karachi, Pakistan
- Type
- Incident
- Injuries
- No one was hurt; 171 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Boeing 737 400 · all 737s on the register
- Registration
- APBJN · no longer on the register
- Damage
- Minor damage
- Flight
- Flight · non-U.S. commercial rules
The NTSB's narrative preliminary · quoted from the NTSB record
On April 22, 2012, at about 12:35 local time, a Shaheen Boeing 737-400, registration number AP-BJN, operating as flight NL122 from Islamabad (ISB) to Karachi (KHI), Pakistan had the left main landing gear collapse upon landing KHI. It is reported that there is minor damage to the airplane resulting from the collapsed gear. The Pakistan Safety and Investigation Board (SIB) is investigating this event. The NTSB has appointed a U.S. Accredited Representative to assist the investigation under the provisions of ICAO Annex 13 as the State of Manufacture and Design of the airplane. For more information you can contact the Pakistan SIB at: Headquarters Pakistan Civil Aviation Authority, Terminal-1, Jinnah International Airport, Karachi-75200, Tel: (92-21) 99072641, (92-21) 99072642, (92-21) 99072646 & (92-21) 99072738 (0900 - 1700 hrs working days), Fax: (92-21) 99242760 & 99242788 (24 hours) or by email: sib@caapakistan.com.pk.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Landing gear collapse during landing (flare/touchdown) defining event
The aircraft
- Landing gear: retractable
The flight
- A second pilot was aboard
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Cabi | 7 | |||
| Flight crew | 2 | |||
| Passengers | 162 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under APBJN the same tail number, which may have belonged to a different aircraft at the time
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.